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phaser/types/matter.d.ts
Richard Davey 1e1ff3651c Updated TS Defs for 3.60 Beta 7
2022-05-10 18:07:31 +01:00

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// Type definitions specifically for Matter.js as used by Phaser 3
//
// Definitions by: Ivane Gegia <https://twitter.com/ivanegegia>,
// David Asmuth <https://github.com/piranha771>,
// Piotr Pietrzak <https://github.com/hasparus>,
// Richard Davey <rich@photonstorm.com>
declare namespace MatterJS {
// --------------------------------------------------------------
// Interfaces
// --------------------------------------------------------------
interface IChamfer {
radius?: number | Array<number>;
quality?: number;
qualityMin?: number;
qualityMax?: number;
}
interface IChamferableBodyDefinition extends IBodyDefinition {
chamfer?: IChamfer;
}
interface IBodyDefinition {
/**
* A `Number` specifying the angle of the body, in radians.
*
* @property angle
* @type number
* @default 0
*/
angle?: number;
/**
* A `Number` that _measures_ the current angular speed of the body after the last `Body.update`. It is read-only and always positive (it's the magnitude of `body.angularVelocity`).
*
* @readOnly
* @property angularSpeed
* @type number
* @default 0
*/
angularSpeed?: number;
/**
* A `Number` that _measures_ the current angular velocity of the body after the last `Body.update`. It is read-only.
* If you need to modify a body's angular velocity directly, you should apply a torque or simply change the body's `angle` (as the engine uses position-Verlet integration).
*
* @readOnly
* @property angularVelocity
* @type number
* @default 0
*/
angularVelocity?: number;
/**
* A `Number` that _measures_ the area of the body's convex hull, calculated at creation by `Body.create`.
*
* @property area
* @type string
* @default
*/
area?: number;
/**
* An array of unique axis vectors (edge normals) used for collision detection.
* These are automatically calculated from the given convex hull (`vertices` array) in `Body.create`.
* They are constantly updated by `Body.update` during the simulation.
*
* @property axes
* @type vector[]
*/
axes?: Array<Vector>;
/**
* A `Bounds` object that defines the AABB region for the body.
* It is automatically calculated from the given convex hull (`vertices` array) in `Body.create` and constantly updated by `Body.update` during simulation.
*
* @property bounds
* @type bounds
*/
bounds?: IBound;
/**
* A `Number` that defines the density of the body, that is its mass per unit area.
* If you pass the density via `Body.create` the `mass` property is automatically calculated for you based on the size (area) of the object.
* This is generally preferable to simply setting mass and allows for more intuitive definition of materials (e.g. rock has a higher density than wood).
*
* @property density
* @type number
* @default 0.001
*/
density?: number;
/**
* A `Vector` that specifies the force to apply in the current step. It is zeroed after every `Body.update`. See also `Body.applyForce`.
*
* @property force
* @type vector
* @default { x: 0, y: 0 }
*/
force?: Vector;
/**
* A `Number` that defines the friction of the body. The value is always positive and is in the range `(0, 1)`.
* A value of `0` means that the body may slide indefinitely.
* A value of `1` means the body may come to a stop almost instantly after a force is applied.
*
* The effects of the value may be non-linear.
* High values may be unstable depending on the body.
* The engine uses a Coulomb friction model including static and kinetic friction.
* Note that collision response is based on _pairs_ of bodies, and that `friction` values are _combined_ with the following formula:
*
* Math.min(bodyA.friction, bodyB.friction)
*
* @property friction
* @type number
* @default 0.1
*/
friction?: number;
/**
* A `Number` that defines the air friction of the body (air resistance).
* A value of `0` means the body will never slow as it moves through space.
* The higher the value, the faster a body slows when moving through space.
* The effects of the value are non-linear.
*
* @property frictionAir
* @type number
* @default 0.01
*/
frictionAir?: number;
/**
* A `Number` that defines the moment of inertia (i.e. second moment of area) of the body.
* It is automatically calculated from the given convex hull (`vertices` array) and density in `Body.create`.
* If you modify this value, you must also modify the `body.inverseInertia` property (`1 / inertia`).
*
* @property inertia
* @type number
*/
inertia?: number;
/**
* A `Number` that defines the inverse moment of inertia of the body (`1 / inertia`).
* If you modify this value, you must also modify the `body.inertia` property.
*
* @property inverseInertia
* @type number
*/
inverseInertia?: number;
/**
* A `Number` that defines the inverse mass of the body (`1 / mass`).
* If you modify this value, you must also modify the `body.mass` property.
*
* @property inverseMass
* @type number
*/
inverseMass?: number;
/**
* A flag that indicates whether a body is a sensor. Sensor triggers collision events, but doesn't react with colliding body physically.
*
* @property isSensor
* @type boolean
* @default false
*/
isSensor?: boolean;
/**
* A flag that indicates whether the body is considered sleeping. A sleeping body acts similar to a static body, except it is only temporary and can be awoken.
* If you need to set a body as sleeping, you should use `Sleeping.set` as this requires more than just setting this flag.
*
* @property isSleeping
* @type boolean
* @default false
*/
isSleeping?: boolean;
/**
* A flag that indicates whether a body is considered static. A static body can never change position or angle and is completely fixed.
* If you need to set a body as static after its creation, you should use `Body.setStatic` as this requires more than just setting this flag.
*
* @property isStatic
* @type boolean
* @default false
*/
isStatic?: boolean;
/**
* An arbitrary `String` name to help the user identify and manage bodies.
*
* @property label
* @type string
* @default "Body"
*/
label?: string;
/**
* A `Number` that defines the mass of the body, although it may be more appropriate to specify the `density` property instead.
* If you modify this value, you must also modify the `body.inverseMass` property (`1 / mass`).
*
* @property mass
* @type number
*/
mass?: number;
/**
* A `Number` that _measures_ the amount of movement a body currently has (a combination of `speed` and `angularSpeed`). It is read-only and always positive.
* It is used and updated by the `Matter.Sleeping` module during simulation to decide if a body has come to rest.
*
* @readOnly
* @property motion
* @type number
* @default 0
*/
motion?: number;
/**
* A `Vector` that specifies the current world-space position of the body.
*
* @property position
* @type vector
*/
position?: Vector;
/**
* An `Object` that defines the rendering properties to be consumed by the module `Matter.Render`.
*
* @property render
* @type object
*/
render?: IBodyRenderOptions;
/**
* A `Number` that defines the restitution (elasticity) of the body. The value is always positive and is in the range `(0, 1)`.
* A value of `0` means collisions may be perfectly inelastic and no bouncing may occur.
* A value of `0.8` means the body may bounce back with approximately 80% of its kinetic energy.
* Note that collision response is based on _pairs_ of bodies, and that `restitution` values are _combined_ with the following formula:
*
* Math.max(bodyA.restitution, bodyB.restitution)
*
* @property restitution
* @type number
* @default 0
*/
restitution?: number;
/**
* A `Number` that defines the number of updates in which this body must have near-zero velocity before it is set as sleeping by the `Matter.Sleeping` module (if sleeping is enabled by the engine).
*
* @property sleepThreshold
* @type number
* @default 60
*/
sleepThreshold?: number;
/**
* A `Number` that specifies a tolerance on how far a body is allowed to 'sink' or rotate into other bodies.
* Avoid changing this value unless you understand the purpose of `slop` in physics engines.
* The default should generally suffice, although very large bodies may require larger values for stable stacking.
*
* @property slop
* @type number
* @default 0.05
*/
slop?: number;
/**
* A `Number` that _measures_ the current speed of the body after the last `Body.update`. It is read-only and always positive (it's the magnitude of `body.velocity`).
*
* @readOnly
* @property speed
* @type number
* @default 0
*/
speed?: number;
/**
* A `Number` that allows per-body time scaling, e.g. a force-field where bodies inside are in slow-motion, while others are at full speed.
*
* @property timeScale
* @type number
* @default 1
*/
timeScale?: number;
/**
* A `Number` that specifies the torque (turning force) to apply in the current step. It is zeroed after every `Body.update`.
*
* @property torque
* @type number
* @default 0
*/
torque?: number;
/**
* A `String` denoting the type of object.
*
* @property type
* @type string
* @default "body"
*/
type?: string;
/**
* A `Vector` that _measures_ the current velocity of the body after the last `Body.update`. It is read-only.
* If you need to modify a body's velocity directly, you should either apply a force or simply change the body's `position` (as the engine uses position-Verlet integration).
*
* @readOnly
* @property velocity
* @type vector
* @default { x: 0, y: 0 }
*/
velocity?: Vector;
/**
* An array of `Vector` objects that specify the convex hull of the rigid body.
* These should be provided about the origin `(0, 0)`. E.g.
*
* [{ x: 0, y: 0 }, { x: 25, y: 50 }, { x: 50, y: 0 }]
*
* When passed via `Body.create`, the vertices are translated relative to `body.position` (i.e. world-space, and constantly updated by `Body.update` during simulation).
* The `Vector` objects are also augmented with additional properties required for efficient collision detection.
*
* Other properties such as `inertia` and `bounds` are automatically calculated from the passed vertices (unless provided via `options`).
* Concave hulls are not currently supported. The module `Matter.Vertices` contains useful methods for working with vertices.
*
* @property vertices
* @type vector[]
*/
vertices?: Array<Vector>;
/**
* An array of bodies that make up this body.
* The first body in the array must always be a self reference to the current body instance.
* All bodies in the `parts` array together form a single rigid compound body.
* Parts are allowed to overlap, have gaps or holes or even form concave bodies.
* Parts themselves should never be added to a `World`, only the parent body should be.
* Use `Body.setParts` when setting parts to ensure correct updates of all properties.
*
* @property parts
* @type body[]
*/
parts?: Array<BodyType>;
/**
* A self reference if the body is _not_ a part of another body.
* Otherwise this is a reference to the body that this is a part of.
* See `body.parts`.
*
* @property parent
* @type body
*/
parent?: BodyType;
/**
* A `Number` that defines the static friction of the body (in the Coulomb friction model).
* A value of `0` means the body will never 'stick' when it is nearly stationary and only dynamic `friction` is used.
* The higher the value (e.g. `10`), the more force it will take to initially get the body moving when nearly stationary.
* This value is multiplied with the `friction` property to make it easier to change `friction` and maintain an appropriate amount of static friction.
*
* @property frictionStatic
* @type number
* @default 0.5
*/
frictionStatic?: number;
/**
* An `Object` that specifies the collision filtering properties of this body.
*
* Collisions between two bodies will obey the following rules:
* - If the two bodies have the same non-zero value of `collisionFilter.group`,
* they will always collide if the value is positive, and they will never collide
* if the value is negative.
* - If the two bodies have different values of `collisionFilter.group` or if one
* (or both) of the bodies has a value of 0, then the category/mask rules apply as follows:
*
* Each body belongs to a collision category, given by `collisionFilter.category`. This
* value is used as a bit field and the category should have only one bit set, meaning that
* the value of this property is a power of two in the range [1, 2^31]. Thus, there are 32
* different collision categories available.
*
* Each body also defines a collision bitmask, given by `collisionFilter.mask` which specifies
* the categories it collides with (the value is the bitwise AND value of all these categories).
*
* Using the category/mask rules, two bodies `A` and `B` collide if each includes the other's
* category in its mask, i.e. `(categoryA & maskB) !== 0` and `(categoryB & maskA) !== 0`
* are both true.
*
* @property collisionFilter
* @type object
*/
collisionFilter?: ICollisionFilter;
/**
* A reference to the Phaser Game Object this body belongs to, if any.
*
* @property gameObject
* @type Phaser.GameObjects.GameObject
*/
gameObject?: any;
/**
* Scale the influence of World gravity when applied to this body.
*
* @property gravityScale
* @type vector
* @default { x: 1, y: 1 }
*/
gravityScale?: Vector;
/**
* Will this Body ignore World gravity during the Engine update?
*
* @property ignoreGravity
* @type boolean
* @default false
*/
ignoreGravity?: boolean;
/**
* Will this Body ignore Phaser Pointer input events?
*
* @property ignorePointer
* @type boolean
* @default false
*/
ignorePointer?: boolean;
/**
* A callback that is invoked when this Body starts colliding with any other Body.
*
* You can register callbacks by providing a function of type `( pair: Matter.Pair) => void`.
*
* @property onCollideCallback
* @type function
* @default null
*/
onCollideCallback?: Function;
/**
* A callback that is invoked when this Body stops colliding with any other Body.
*
* You can register callbacks by providing a function of type `( pair: Matter.Pair) => void`.
*
* @property onCollideEndCallback
* @type function
* @default null
*/
onCollideEndCallback?: Function;
/**
* A callback that is invoked for the duration that this Body is colliding with any other Body.
*
* You can register callbacks by providing a function of type `( pair: Matter.Pair) => void`.
*
* @property onCollideActiveCallback
* @type function
* @default null
*/
onCollideActiveCallback?: Function;
/**
* A collision callback dictionary used by the `Body.setOnCollideWith` function.
*
* @property onCollideWith
* @type object
* @default null
*/
onCollideWith?: any;
}
interface IBodyRenderOptions {
/**
* A flag that indicates if the body should be rendered.
*
* @property visible
* @type boolean
* @default true
*/
visible?: boolean;
/**
* Sets the opacity. 1.0 is fully opaque. 0.0 is fully translucent.
*
* @property opacity
* @type number
* @default 1
*/
opacity?: number;
/**
* An `Object` that defines the sprite properties to use when rendering, if any.
*
* @property sprite
* @type object
*/
sprite?: IBodyRenderOptionsSprite;
/**
* A hex color value that defines the fill color to use when rendering the body.
*
* @property fillColor
* @type number
*/
fillColor?: number;
/**
* A value that defines the fill opacity to use when rendering the body.
*
* @property fillOpacity
* @type number
*/
fillOpacity?: number;
/**
* A hex color value that defines the line color to use when rendering the body.
*
* @property lineColor
* @type number
*/
lineColor?: number;
/**
* A value that defines the line opacity to use when rendering the body.
*
* @property lineOpacity
* @type number
*/
lineOpacity?: number;
/**
* A `Number` that defines the line width to use when rendering the body outline.
*
* @property lineThickness
* @type number
*/
lineThickness?: number;
}
interface IBodyRenderOptionsSprite {
/**
* A `Number` that defines the scaling in the x-axis for the sprite, if any.
*
* @property xOffset
* @type number
* @default 0
*/
xOffset: number;
/**
* A `Number` that defines the scaling in the y-axis for the sprite, if any.
*
* @property yOffset
* @type number
* @default 0
*/
yOffset: number;
}
interface IBound {
min: { x: number, y: number }
max: { x: number, y: number }
}
interface ICompositeDefinition {
/**
* An array of `Body` that are _direct_ children of this composite.
* To add or remove bodies you should use `Composite.add` and `Composite.remove` methods rather than directly modifying this property.
* If you wish to recursively find all descendants, you should use the `Composite.allBodies` method.
*
* @property bodies
* @type body[]
* @default []
*/
bodies?: Array<BodyType>;
/**
* An array of `Composite` that are _direct_ children of this composite.
* To add or remove composites you should use `Composite.add` and `Composite.remove` methods rather than directly modifying this property.
* If you wish to recursively find all descendants, you should use the `Composite.allComposites` method.
*
* @property composites
* @type composite[]
* @default []
*/
composites?: Array<CompositeType>;
/**
* An array of `Constraint` that are _direct_ children of this composite.
* To add or remove constraints you should use `Composite.add` and `Composite.remove` methods rather than directly modifying this property.
* If you wish to recursively find all descendants, you should use the `Composite.allConstraints` method.
*
* @property constraints
* @type constraint[]
* @default []
*/
constraints?: Array<ConstraintType>;
/**
* An integer `Number` uniquely identifying number generated in `Composite.create` by `Common.nextId`.
*
* @property id
* @type number
*/
id?: number;
/**
* A flag that specifies whether the composite has been modified during the current step.
* Most `Matter.Composite` methods will automatically set this flag to `true` to inform the engine of changes to be handled.
* If you need to change it manually, you should use the `Composite.setModified` method.
*
* @property isModified
* @type boolean
* @default false
*/
isModified?: boolean;
/**
* An arbitrary `String` name to help the user identify and manage composites.
*
* @property label
* @type string
* @default "Composite"
*/
label?: string;
/**
* The `Composite` that is the parent of this composite. It is automatically managed by the `Matter.Composite` methods.
*
* @property parent
* @type composite
* @default null
*/
parent?: CompositeType;
/**
* A `String` denoting the type of object.
*
* @property type
* @type string
* @default "composite"
*/
type?: string;
}
interface IConstraintDefinition {
/**
* The first possible `Body` that this constraint is attached to.
*
* @property bodyA
* @type body
* @default null
*/
bodyA?: IBodyDefinition;
/**
* The second possible `Body` that this constraint is attached to.
*
* @property bodyB
* @type body
* @default null
*/
bodyB?: IBodyDefinition;
/**
* An integer `Number` uniquely identifying number generated in `Composite.create` by `Common.nextId`.
*
* @property id
* @type number
*/
id?: number;
/**
* An arbitrary `String` name to help the user identify and manage bodies.
*
* @property label
* @type string
* @default "Constraint"
*/
label?: string;
/**
* A `Number` that specifies the target resting length of the constraint.
* It is calculated automatically in `Constraint.create` from initial positions of the `constraint.bodyA` and `constraint.bodyB`.
*
* @property length
* @type number
*/
length?: number;
/**
* A `Vector` that specifies the offset of the constraint from center of the `constraint.bodyA` if defined, otherwise a world-space position.
*
* @property pointA
* @type vector
* @default { x: 0, y: 0 }
*/
pointA?: Vector;
/**
* A `Vector` that specifies the offset of the constraint from center of the `constraint.bodyA` if defined, otherwise a world-space position.
*
* @property pointB
* @type vector
* @default { x: 0, y: 0 }
*/
pointB?: Vector;
/**
* An `Object` that defines the rendering properties to be consumed by the module `Matter.Render`.
*
* @property render
* @type object
*/
render?: IConstraintRenderDefinition;
/**
* A `Number` that specifies the stiffness of the constraint, i.e. the rate at which it returns to its resting `constraint.length`.
* A value of `1` means the constraint should be very stiff.
* A value of `0.2` means the constraint acts like a soft spring.
*
* @property stiffness
* @type number
* @default 1
*/
stiffness?: number;
/**
* A `Number` that specifies the damping of the constraint,
* i.e. the amount of resistance applied to each body based on their velocities to limit the amount of oscillation.
* Damping will only be apparent when the constraint also has a very low `stiffness`.
* A value of `0.1` means the constraint will apply heavy damping, resulting in little to no oscillation.
* A value of `0` means the constraint will apply no damping.
*
* @property damping
* @type number
* @default 0
*/
damping?: number;
/**
* A `String` denoting the type of object.
*
* @property type
* @type string
* @default "constraint"
*/
type?: string;
}
interface IConstraintRenderDefinition {
/**
* A flag that indicates if the constraint should be rendered.
*
* @property visible
* @type boolean
* @default true
*/
visible?: boolean;
/**
* The type of constraint.
*
* @property type
* @type string
* @default 'line'
*/
type?: string;
/**
* A flag that indicates if the constraint anchors should be rendered.
*
* @property anchors
* @type boolean
* @default true
*/
anchors?: boolean;
/**
* A hex color value that defines the line color to use when rendering the body.
*
* @property lineColor
* @type number
*/
lineColor?: number;
/**
* A value that defines the line opacity to use when rendering the body.
*
* @property lineOpacity
* @type number
*/
lineOpacity?: number;
/**
* A `Number` that defines the line width to use when rendering the body outline.
*
* @property lineThickness
* @type number
*/
lineThickness?: number;
/**
* The size of the pins during rendering.
*
* @property pinSize
* @type number
*/
pinSize?: number;
/**
* A hex color value that defines the color to use when rendering the anchors.
*
* @property anchorColor
* @type number
*/
anchorColor?: number;
/**
* The size of the anchors during rendering.
*
* @property anchorSize
* @type number
*/
anchorSize?: number;
}
interface IEngineDefinition {
/**
* An integer `Number` that specifies the number of position iterations to perform each update.
* The higher the value, the higher quality the simulation will be at the expense of performance.
*
* @property positionIterations
* @type number
* @default 6
*/
positionIterations?: number;
/**
* An integer `Number` that specifies the number of velocity iterations to perform each update.
* The higher the value, the higher quality the simulation will be at the expense of performance.
*
* @property velocityIterations
* @type number
* @default 4
*/
velocityIterations?: number;
/**
* An integer `Number` that specifies the number of constraint iterations to perform each update.
* The higher the value, the higher quality the simulation will be at the expense of performance.
* The default value of `2` is usually very adequate.
*
* @property constraintIterations
* @type number
* @default 2
*/
constraintIterations?: number;
/**
* A flag that specifies whether the engine should allow sleeping via the `Matter.Sleeping` module.
* Sleeping can improve stability and performance, but often at the expense of accuracy.
*
* @property enableSleeping
* @type boolean
* @default false
*/
enableSleeping?: boolean;
/**
* An `Object` containing properties regarding the timing systems of the engine.
*
* @property timing
* @type object
*/
timing?: IEngineTimingOptions;
/**
* An instance of a broadphase controller. The default value is a `Matter.Grid` instance created by `Engine.create`.
*
* @property broadphase
* @type grid
* @default a Matter.Grid instance
*/
grid?: Grid;
/**
* A `World` composite object that will contain all simulated bodies and constraints.
*
* @property world
* @type world
* @default a Matter.World instance
*/
world?: World;
}
interface IEngineTimingOptions {
/**
* A `Number` that specifies the global scaling factor of time for all bodies.
* A value of `0` freezes the simulation.
* A value of `0.1` gives a slow-motion effect.
* A value of `1.2` gives a speed-up effect.
*
* @property timing.timeScale
* @type number
* @default 1
*/
timeScale: number;
/**
* A `Number` that specifies the current simulation-time in milliseconds starting from `0`.
* It is incremented on every `Engine.update` by the given `delta` argument.
*
* @property timing.timestamp
* @type number
* @default 0
*/
timestamp: number;
}
interface IMouseConstraintDefinition {
/**
* The `Constraint` object that is used to move the body during interaction.
*
* @property constraint
* @type constraint
*/
constraint?: ConstraintType;
/**
* An `Object` that specifies the collision filter properties.
* The collision filter allows the user to define which types of body this mouse constraint can interact with.
* See `body.collisionFilter` for more information.
*
* @property collisionFilter
* @type object
*/
collisionFilter?: ICollisionFilter;
/**
* The `Body` that is currently being moved by the user, or `null` if no body.
*
* @property body
* @type body
* @default null
*/
body?: BodyType;
/**
* A `String` denoting the type of object.
*
* @property type
* @type string
* @default "constraint"
*/
type?: string;
}
interface IGridDefinition {}
interface IPair {
id: number;
bodyA: Body;
bodyB: Body;
contacts: any;
activeContacts: any;
separation: number;
isActive: boolean;
timeCreated: number;
timeUpdated: number,
inverseMass: number;
friction: number;
frictionStatic: number;
restitution: number;
slop: number;
}
interface ICollisionData {
collided: boolean;
bodyA: Body;
bodyB: Body;
axisBody: Body;
axisNumber: number;
depth: number;
parentA: Body;
parentB: Body;
normal: Vector;
tangent: Vector;
penetration: Vector;
supports: Vector[];
inverseMass: number;
friction: number;
frictionStatic: number;
restitution: number;
slop: number;
}
interface ICollisionPair {
id: string;
bodyA: Body;
bodyB: Body;
activeContacts: Vector[];
separation: number;
isActive: boolean;
confirmedActive: boolean;
isSensor: boolean;
timeCreated: number;
timeUpdated: number;
collision: ICollisionData;
inverseMass: number;
friction: number;
frictionStatic: number;
restitution: number;
slop: number;
}
interface ICollisionFilter {
category: number;
mask: number;
group: number;
}
interface IRunnerOptions {
/**
* A `Boolean` that specifies if the runner should use a fixed timestep (otherwise it is variable).
* If timing is fixed, then the apparent simulation speed will change depending on the frame rate (but behaviour will be deterministic).
* If the timing is variable, then the apparent simulation speed will be constant (approximately, but at the cost of determininism).
*
* @property isFixed
* @type boolean
* @default false
*/
isFixed?: boolean;
/**
* A `Number` that specifies the time step between updates in milliseconds.
* If `engine.timing.isFixed` is set to `true`, then `delta` is fixed.
* If it is `false`, then `delta` can dynamically change to maintain the correct apparent simulation speed.
*
* @property delta
* @type number
* @default 1000 / 60
*/
delta?: number;
}
interface IWorldDefinition extends ICompositeDefinition {
gravity?: Gravity;
bounds?: IBound;
}
interface Gravity extends Vector {
scale: number;
}
interface IEvent<T> {
/**
* The name of the event
*/
name: string;
/**
* The source object of the event
*/
source: T;
}
interface IEventComposite<T> extends IEvent<T> {
/**
* EventObjects (may be a single body, constraint, composite or a mixed array of these)
*/
object: any;
}
interface IEventTimestamped<T> extends IEvent<T> {
/**
* The engine.timing.timestamp of the event
*/
timestamp: number;
}
interface IEventCollision<T> extends IEventTimestamped<T> {
/**
* The collision pair
*/
pairs: Array<IPair>;
}
// --------------------------------------------------------------
// Types
// --------------------------------------------------------------
type CompositeType = {
/**
* An integer `Number` uniquely identifying number generated in `Composite.create` by `Common.nextId`.
*
* @property id
* @type number
*/
id: number;
/**
* A `String` denoting the type of object.
*
* @property type
* @type string
* @default "composite"
*/
type: string;
/**
* The `Composite` that is the parent of this composite. It is automatically managed by the `Matter.Composite` methods.
*
* @property parent
* @type composite
* @default null
*/
parent?: CompositeType;
/**
* A flag that specifies whether the composite has been modified during the current step.
* Most `Matter.Composite` methods will automatically set this flag to `true` to inform the engine of changes to be handled.
* If you need to change it manually, you should use the `Composite.setModified` method.
*
* @property isModified
* @type boolean
* @default false
*/
isModified: boolean;
/**
* An array of `Body` that are _direct_ children of this composite.
* To add or remove bodies you should use `Composite.add` and `Composite.remove` methods rather than directly modifying this property.
* If you wish to recursively find all descendants, you should use the `Composite.allBodies` method.
*
* @property bodies
* @type body[]
* @default []
*/
bodies: Array<BodyType>;
/**
* An array of `Constraint` that are _direct_ children of this composite.
* To add or remove constraints you should use `Composite.add` and `Composite.remove` methods rather than directly modifying this property.
* If you wish to recursively find all descendants, you should use the `Composite.allConstraints` method.
*
* @property constraints
* @type constraint[]
* @default []
*/
constraints: Array<ConstraintType>;
/**
* An array of `Composite` that are _direct_ children of this composite.
* To add or remove composites you should use `Composite.add` and `Composite.remove` methods rather than directly modifying this property.
* If you wish to recursively find all descendants, you should use the `Composite.allComposites` method.
*
* @property composites
* @type composite[]
* @default []
*/
composites: Array<CompositeType>;
/**
* An arbitrary `String` name to help the user identify and manage composites.
*
* @property label
* @type string
* @default "Composite"
*/
label: string;
/**
* An object reserved for storing plugin-specific properties.
*
* @property plugin
* @type {}
*/
plugin: any;
}
type ConstraintType = {
/**
* The first possible `Body` that this constraint is attached to.
*
* @property bodyA
* @type body
* @default null
*/
bodyA?: BodyType;
/**
* The second possible `Body` that this constraint is attached to.
*
* @property bodyB
* @type body
* @default null
*/
bodyB?: BodyType;
/**
* A `Vector` that specifies the offset of the constraint from center of the `constraint.bodyA` if defined, otherwise a world-space position.
*
* @property pointA
* @type vector
* @default { x: 0, y: 0 }
*/
pointA: Vector;
/**
* A `Vector` that specifies the offset of the constraint from center of the `constraint.bodyB` if defined, otherwise a world-space position.
*
* @property pointB
* @type vector
* @default { x: 0, y: 0 }
*/
pointB: Vector;
/**
* A `Number` that specifies the target resting length of the constraint.
* It is calculated automatically in `Constraint.create` from initial positions of the `constraint.bodyA` and `constraint.bodyB`.
*
* @property length
* @type number
*/
length: number;
/**
* An integer `Number` uniquely identifying number generated in `Composite.create` by `Common.nextId`.
*
* @property id
* @type number
*/
id: number;
/**
* An arbitrary `String` name to help the user identify and manage bodies.
*
* @property label
* @type string
* @default "Constraint"
*/
label: string;
/**
* A `String` denoting the type of object.
*
* @property type
* @type string
* @default "constraint"
* @readOnly
*/
type: string;
/**
* A `Number` that specifies the stiffness of the constraint, i.e. the rate at which it returns to its resting `constraint.length`.
* A value of `1` means the constraint should be very stiff.
* A value of `0.2` means the constraint acts like a soft spring.
*
* @property stiffness
* @type number
* @default 1
*/
stiffness: number;
/**
* A `Number` that specifies the damping of the constraint,
* i.e. the amount of resistance applied to each body based on their velocities to limit the amount of oscillation.
* Damping will only be apparent when the constraint also has a very low `stiffness`.
* A value of `0.1` means the constraint will apply heavy damping, resulting in little to no oscillation.
* A value of `0` means the constraint will apply no damping.
*
* @property damping
* @type number
* @default 0
*/
damping: number;
/**
* A `Number` that specifies the angular stiffness of the constraint.
*
* @property angularStiffness
* @type number
* @default 0
*/
angularStiffness: number;
/**
* Either the angle of BodyA, or a config value.
*
* @property angleA
* @type number
* @default 0
*/
angleA: number;
/**
* Either the angle of BodyB, or a config value.
*
* @property angleB
* @type number
* @default 0
*/
angleB: number;
/**
* An object reserved for storing plugin-specific properties.
*
* @property plugin
* @type {}
*/
plugin: any;
/**
* An `Object` that defines the rendering properties to be consumed by the module `Matter.Render`.
*
* @property render
* @type object
*/
render: IConstraintRenderDefinition;
};
type BodyType = {
/**
* An integer `Number` uniquely identifying number generated in `Body.create` by `Common.nextId`.
*
* @property id
* @type number
*/
id: number;
/**
* A `String` denoting the type of object.
*
* @property type
* @type string
* @default "body"
* @readOnly
*/
type: string;
/**
* An arbitrary `String` name to help the user identify and manage bodies.
*
* @property label
* @type string
* @default "Body"
*/
label: string;
/**
* An array of bodies that make up this body.
* The first body in the array must always be a self reference to the current body instance.
* All bodies in the `parts` array together form a single rigid compound body.
* Parts are allowed to overlap, have gaps or holes or even form concave bodies.
* Parts themselves should never be added to a `World`, only the parent body should be.
* Use `Body.setParts` when setting parts to ensure correct updates of all properties.
*
* @property parts
* @type body[]
*/
parts: BodyType[];
/**
* An object reserved for storing plugin-specific properties.
*
* @property plugin
* @type {}
*/
plugin: any;
/**
* A `Number` specifying the angle of the body, in radians.
*
* @property angle
* @type number
* @default 0
*/
angle: number;
/**
* An array of `Vector` objects that specify the convex hull of the rigid body.
* These should be provided about the origin `(0, 0)`. E.g.
*
* [{ x: 0, y: 0 }, { x: 25, y: 50 }, { x: 50, y: 0 }]
*
* When passed via `Body.create`, the vertices are translated relative to `body.position` (i.e. world-space, and constantly updated by `Body.update` during simulation).
* The `Vector` objects are also augmented with additional properties required for efficient collision detection.
*
* Other properties such as `inertia` and `bounds` are automatically calculated from the passed vertices (unless provided via `options`).
* Concave hulls are not currently supported. The module `Matter.Vertices` contains useful methods for working with vertices.
*
* @property vertices
* @type vector[]
*/
vertices?: Vector[];
/**
* A `Vector` that specifies the current world-space position of the body.
*
* @property position
* @type vector
* @default { x: 0, y: 0 }
*/
position: Vector;
/**
* A `Vector` that specifies the force to apply in the current step. It is zeroed after every `Body.update`. See also `Body.applyForce`.
*
* @property force
* @type vector
* @default { x: 0, y: 0 }
*/
force: Vector;
/**
* A `Number` that specifies the torque (turning force) to apply in the current step. It is zeroed after every `Body.update`.
*
* @property torque
* @type number
* @default 0
*/
torque: number;
/**
* A `Vector` that specifies the position impulse.
*
* @property positionImpulse
* @type vector
* @default { x: 0, y: 0 }
*/
positionImpulse: Vector;
/**
* A `Vector` that specifies the previous position impulse.
*
* @property previousPositionImpulse
* @type vector
* @default { x: 0, y: 0 }
*/
previousPositionImpulse: Vector;
/**
* A `Vector` that specifies the constraint impulse.
*
* @property constraintImpulse
* @type vector
* @default { x: 0, y: 0 }
*/
constraintImpulse: Vector;
/**
* The total number of contacts.
*
* @property totalContacts
* @type number
* @default 0
*/
totalContacts: number;
/**
* A `Number` that _measures_ the current speed of the body after the last `Body.update`. It is read-only and always positive (it's the magnitude of `body.velocity`).
*
* @readOnly
* @property speed
* @type number
* @default 0
*/
speed: number;
/**
* A `Number` that _measures_ the current angular speed of the body after the last `Body.update`. It is read-only and always positive (it's the magnitude of `body.angularVelocity`).
*
* @readOnly
* @property angularSpeed
* @type number
* @default 0
*/
angularSpeed: number;
/**
* A `Vector` that _measures_ the current velocity of the body after the last `Body.update`. It is read-only.
* If you need to modify a body's velocity directly, you should either apply a force or simply change the body's `position` (as the engine uses position-Verlet integration).
*
* @readOnly
* @property velocity
* @type vector
* @default { x: 0, y: 0 }
*/
velocity: Vector;
/**
* A `Number` that _measures_ the current angular velocity of the body after the last `Body.update`. It is read-only.
* If you need to modify a body's angular velocity directly, you should apply a torque or simply change the body's `angle` (as the engine uses position-Verlet integration).
*
* @readOnly
* @property angularVelocity
* @type number
* @default 0
*/
angularVelocity: number;
/**
* A flag that indicates whether a body is a sensor. Sensor triggers collision events, but doesn't react with colliding body physically.
*
* @property isSensor
* @type boolean
* @default false
*/
isSensor: boolean;
/**
* A flag that indicates whether a body is considered static. A static body can never change position or angle and is completely fixed.
* If you need to set a body as static after its creation, you should use `Body.setStatic` as this requires more than just setting this flag.
*
* @property isStatic
* @type boolean
* @default false
*/
isStatic: boolean;
/**
* A flag that indicates whether the body is considered sleeping. A sleeping body acts similar to a static body, except it is only temporary and can be awoken.
* If you need to set a body as sleeping, you should use `Sleeping.set` as this requires more than just setting this flag.
*
* @property isSleeping
* @type boolean
* @default false
*/
isSleeping: boolean;
/**
* A `Number` that _measures_ the amount of movement a body currently has (a combination of `speed` and `angularSpeed`). It is read-only and always positive.
* It is used and updated by the `Matter.Sleeping` module during simulation to decide if a body has come to rest.
*
* @readOnly
* @property motion
* @type number
* @default 0
*/
motion: number;
/**
* A `Number` that defines the number of updates in which this body must have near-zero velocity before it is set as sleeping by the `Matter.Sleeping` module (if sleeping is enabled by the engine).
*
* @property sleepThreshold
* @type number
* @default 60
*/
sleepThreshold: number;
/**
* A `Number` that defines the density of the body, that is its mass per unit area.
* If you pass the density via `Body.create` the `mass` property is automatically calculated for you based on the size (area) of the object.
* This is generally preferable to simply setting mass and allows for more intuitive definition of materials (e.g. rock has a higher density than wood).
*
* @property density
* @type number
* @default 0.001
*/
density: number;
/**
* A `Number` that defines the restitution (elasticity) of the body. The value is always positive and is in the range `(0, 1)`.
* A value of `0` means collisions may be perfectly inelastic and no bouncing may occur.
* A value of `0.8` means the body may bounce back with approximately 80% of its kinetic energy.
* Note that collision response is based on _pairs_ of bodies, and that `restitution` values are _combined_ with the following formula:
*
* Math.max(bodyA.restitution, bodyB.restitution)
*
* @property restitution
* @type number
* @default 0
*/
restitution: number;
/**
* A `Number` that defines the friction of the body. The value is always positive and is in the range `(0, 1)`.
* A value of `0` means that the body may slide indefinitely.
* A value of `1` means the body may come to a stop almost instantly after a force is applied.
*
* The effects of the value may be non-linear.
* High values may be unstable depending on the body.
* The engine uses a Coulomb friction model including static and kinetic friction.
* Note that collision response is based on _pairs_ of bodies, and that `friction` values are _combined_ with the following formula:
*
* Math.min(bodyA.friction, bodyB.friction)
*
* @property friction
* @type number
* @default 0.1
*/
friction: number;
/**
* A `Number` that defines the static friction of the body (in the Coulomb friction model).
* A value of `0` means the body will never 'stick' when it is nearly stationary and only dynamic `friction` is used.
* The higher the value (e.g. `10`), the more force it will take to initially get the body moving when nearly stationary.
* This value is multiplied with the `friction` property to make it easier to change `friction` and maintain an appropriate amount of static friction.
*
* @property frictionStatic
* @type number
* @default 0.5
*/
frictionStatic: number;
/**
* A `Number` that defines the air friction of the body (air resistance).
* A value of `0` means the body will never slow as it moves through space.
* The higher the value, the faster a body slows when moving through space.
* The effects of the value are non-linear.
*
* @property frictionAir
* @type number
* @default 0.01
*/
frictionAir: number;
/**
* An `Object` that specifies the collision filtering properties of this body.
*
* Collisions between two bodies will obey the following rules:
* - If the two bodies have the same non-zero value of `collisionFilter.group`,
* they will always collide if the value is positive, and they will never collide
* if the value is negative.
* - If the two bodies have different values of `collisionFilter.group` or if one
* (or both) of the bodies has a value of 0, then the category/mask rules apply as follows:
*
* Each body belongs to a collision category, given by `collisionFilter.category`. This
* value is used as a bit field and the category should have only one bit set, meaning that
* the value of this property is a power of two in the range [1, 2^31]. Thus, there are 32
* different collision categories available.
*
* Each body also defines a collision bitmask, given by `collisionFilter.mask` which specifies
* the categories it collides with (the value is the bitwise AND value of all these categories).
*
* Using the category/mask rules, two bodies `A` and `B` collide if each includes the other's
* category in its mask, i.e. `(categoryA & maskB) !== 0` and `(categoryB & maskA) !== 0`
* are both true.
*
* @property collisionFilter
* @type object
*/
collisionFilter: ICollisionFilter;
/**
* A `Number` that specifies a tolerance on how far a body is allowed to 'sink' or rotate into other bodies.
* Avoid changing this value unless you understand the purpose of `slop` in physics engines.
* The default should generally suffice, although very large bodies may require larger values for stable stacking.
*
* @property slop
* @type number
* @default 0.05
*/
slop: number;
/**
* A `Number` that allows per-body time scaling, e.g. a force-field where bodies inside are in slow-motion, while others are at full speed.
*
* @property timeScale
* @type number
* @default 1
*/
timeScale: number;
/**
* Holds Body event handlers.
*
* @property events
* @type any
*/
events?: any;
/**
* A `Bounds` object that defines the AABB region for the body.
* It is automatically calculated from the given convex hull (`vertices` array) in `Body.create` and constantly updated by `Body.update` during simulation.
*
* @property bounds
* @type bounds
*/
bounds: IBound;
/**
* A Chamfer object, if this Body has them.
*
* @property chamfer
* @type any
*/
chamfer?: IChamfer;
/**
* The radius of this Body, if it's a circle.
*
* @property circleRadius
* @type number
* @default 0
*/
circleRadius: number;
/**
* A `Vector` that specifies the previous position.
*
* @property positionPrev
* @type vector
* @default { x: 0, y: 0 }
*/
positionPrev: Vector;
/**
* The previous angle.
*
* @property anglePrev
* @type number
* @default 0
*/
anglePrev: number;
/**
* A self reference if the body is _not_ a part of another body.
* Otherwise this is a reference to the body that this is a part of.
* See `body.parts`.
*
* @property parent
* @type body
*/
parent: BodyType;
/**
* An array of unique axis vectors (edge normals) used for collision detection.
* These are automatically calculated from the given convex hull (`vertices` array) in `Body.create`.
* They are constantly updated by `Body.update` during the simulation.
*
* @property axes
* @type vector[]
*/
axes?: Array<Vector>;
/**
* A `Number` that _measures_ the area of the body's convex hull, calculated at creation by `Body.create`.
*
* @property area
* @type number
* @default
*/
area: number;
/**
* A `Number` that defines the mass of the body, although it may be more appropriate to specify the `density` property instead.
* If you modify this value, you must also modify the `body.inverseMass` property (`1 / mass`).
*
* @property mass
* @type number
*/
mass: number;
/**
* A `Number` that defines the inverse mass of the body (`1 / mass`).
* If you modify this value, you must also modify the `body.mass` property.
*
* @property inverseMass
* @type number
*/
inverseMass: number;
/**
* A `Number` that defines the moment of inertia (i.e. second moment of area) of the body.
* It is automatically calculated from the given convex hull (`vertices` array) and density in `Body.create`.
* If you modify this value, you must also modify the `body.inverseInertia` property (`1 / inertia`).
*
* @property inertia
* @type number
*/
inertia: number;
/**
* A `Number` that defines the inverse moment of inertia of the body (`1 / inertia`).
* If you modify this value, you must also modify the `body.inertia` property.
*
* @property inverseInertia
* @type number
*/
inverseInertia: number;
/**
* Holds the original friction, mass, etc values from when this Body was made static.
*
* @property _original
* @type any
*/
_original: any;
/**
* An `Object` that defines the rendering properties to be consumed by the module `Matter.Render`.
*
* @property render
* @type object
*/
render: IBodyRenderOptions;
/**
* A reference to the Phaser Game Object this body belongs to, if any.
*
* @property gameObject
* @type Phaser.GameObjects.GameObject
*/
gameObject?: any;
/**
* The scale of the Body.
*
* @property scale
* @readonly
* @type vector
* @default { x: 1, y: 1 }
*/
scale: Vector;
/**
* The center of mass of the Body.
*
* @property centerOfMass
* @type vector
* @default { x: 0, y: 0 }
*/
centerOfMass: Vector;
/**
* The center of the body in pixel values.
* Used by Phaser for texture aligment.
*
* @property centerOffset
* @type vector
* @default { x: 0, y: 0 }
*/
centerOffset: Vector;
/**
* Scale the influence of World gravity when applied to this body.
*
* @property gravityScale
* @type vector
* @default { x: 1, y: 1 }
*/
gravityScale: Vector;
/**
* Will this Body ignore World gravity during the Engine update?
*
* @property ignoreGravity
* @type boolean
* @default false
*/
ignoreGravity: boolean;
/**
* Will this Body ignore Phaser Pointer input events?
*
* @property ignorePointer
* @type boolean
* @default false
*/
ignorePointer: boolean;
/**
* A callback that is invoked when this Body starts colliding with any other Body.
*
* You can register callbacks by providing a function of type `( pair: Matter.Pair) => void`.
*
* @property onCollideCallback
* @type function
* @default null
*/
onCollideCallback?: Function;
/**
* A callback that is invoked when this Body stops colliding with any other Body.
*
* You can register callbacks by providing a function of type `( pair: Matter.Pair) => void`.
*
* @property onCollideEndCallback
* @type function
* @default null
*/
onCollideEndCallback?: Function;
/**
* A callback that is invoked for the duration that this Body is colliding with any other Body.
*
* You can register callbacks by providing a function of type `( pair: Matter.Pair) => void`.
*
* @property onCollideActiveCallback
* @type function
* @default null
*/
onCollideActiveCallback?: Function;
/**
* A collision callback dictionary used by the `Body.setOnCollideWith` function.
*
* @property onCollideWith
* @type object
* @default null
*/
onCollideWith?: any;
/**
* Sets the onCollideWith callback.
*
* @property setOnCollideWith
* @type Function
*/
setOnCollideWith: (body: BodyType, callback: Function) => BodyType;
};
// --------------------------------------------------------------
// Modules
// --------------------------------------------------------------
/**
* Installs the given plugins on the `Matter` namespace.
* This is a short-hand for `Plugin.use`, see it for more information.
* Call this function once at the start of your code, with all of the plugins you wish to install as arguments.
* Avoid calling this function multiple times unless you intend to manually control installation order.
* @method use
* @param ...plugin {Function} The plugin(s) to install on `base` (multi-argument).
*/
function use (...plugins: (Plugin | string)[]): void;
/**
* The `Matter.Axes` module contains methods for creating and manipulating sets of axes.
*
* @class Axes
*/
class Axes {
/**
* Creates a new set of axes from the given vertices.
* @method fromVertices
* @param {vertices} vertices
* @return {axes} A new axes from the given vertices
*/
static fromVertices (vertices: Array<Vector>): Array<Vector>;
/**
* Rotates a set of axes by the given angle.
* @method rotate
* @param {axes} axes
* @param {number} angle
*/
static rotate (axes: Array<Vector>, angle: number): void;
}
class AxesFactory {
/**
* Creates a new set of axes from the given vertices.
* @method fromVertices
* @param {vertices} vertices
* @return {axes} A new axes from the given vertices
*/
fromVertices (vertices: Array<Vector>): Array<Vector>;
/**
* Rotates a set of axes by the given angle.
* @method rotate
* @param {axes} axes
* @param {number} angle
*/
rotate (axes: Array<Vector>, angle: number): void;
}
/**
* The `Matter.Bodies` module contains factory methods for creating rigid body models
* with commonly used body configurations (such as rectangles, circles and other polygons).
*
* See the included usage [examples](https://github.com/liabru/matter-js/tree/master/examples).
*/
class Bodies {
/**
* Creates a new rigid body model with a circle hull.
* The options parameter is an object that specifies any properties you wish to override the defaults.
* See the properties section of the `Matter.Body` module for detailed information on what you can pass via the `options` object.
* @method circle
* @param {number} x
* @param {number} y
* @param {number} radius
* @param {object} [options]
* @param {number} [maxSides]
* @return {body} A new circle body
*/
static circle (x: number, y: number, radius: number, options?: IBodyDefinition, maxSides?: number): BodyType;
/**
* Creates a new rigid body model with a regular polygon hull with the given number of sides.
* The options parameter is an object that specifies any properties you wish to override the defaults.
* See the properties section of the `Matter.Body` module for detailed information on what you can pass via the `options` object.
* @method polygon
* @param {number} x
* @param {number} y
* @param {number} sides
* @param {number} radius
* @param {object} [options]
* @return {body} A new regular polygon body
*/
static polygon (x: number, y: number, sides: number, radius: number, options?: IChamferableBodyDefinition): BodyType;
/**
* Creates a new rigid body model with a rectangle hull.
* The options parameter is an object that specifies any properties you wish to override the defaults.
* See the properties section of the `Matter.Body` module for detailed information on what you can pass via the `options` object.
* @method rectangle
* @param {number} x
* @param {number} y
* @param {number} width
* @param {number} height
* @param {object} [options]
* @return {body} A new rectangle body
*/
static rectangle (x: number, y: number, width: number, height: number, options?: IChamferableBodyDefinition): BodyType;
/**
* Creates a new rigid body model with a trapezoid hull.
* The options parameter is an object that specifies any properties you wish to override the defaults.
* See the properties section of the `Matter.Body` module for detailed information on what you can pass via the `options` object.
* @method trapezoid
* @param {number} x
* @param {number} y
* @param {number} width
* @param {number} height
* @param {number} slope
* @param {object} [options]
* @return {body} A new trapezoid body
*/
static trapezoid (x: number, y: number, width: number, height: number, slope: number, options?: IChamferableBodyDefinition): BodyType;
/**
* Creates a body using the supplied vertices (or an array containing multiple sets of vertices).
* If the vertices are convex, they will pass through as supplied.
* Otherwise if the vertices are concave, they will be decomposed if [poly-decomp.js](https://github.com/schteppe/poly-decomp.js) is available.
* Note that this process is not guaranteed to support complex sets of vertices (e.g. those with holes may fail).
* By default the decomposition will discard collinear edges (to improve performance).
* It can also optionally discard any parts that have an area less than `minimumArea`.
* If the vertices can not be decomposed, the result will fall back to using the convex hull.
* The options parameter is an object that specifies any `Matter.Body` properties you wish to override the defaults.
* See the properties section of the `Matter.Body` module for detailed information on what you can pass via the `options` object.
* @method fromVertices
* @param {number} x
* @param {number} y
* @param [[vector]] vertexSets
* @param {object} [options]
* @param {bool} [flagInternal=false]
* @param {number} [removeCollinear=0.01]
* @param {number} [minimumArea=10]
* @return {body}
*/
static fromVertices (x: number, y: number, vertexSets: Array<Array<Vector>>, options?: IBodyDefinition, flagInternal?: boolean, removeCollinear?: number, minimumArea?: number): BodyType;
}
class BodiesFactory {
/**
* Creates a new rigid body model with a circle hull.
* The options parameter is an object that specifies any properties you wish to override the defaults.
* See the properties section of the `Matter.Body` module for detailed information on what you can pass via the `options` object.
* @method circle
* @param {number} x
* @param {number} y
* @param {number} radius
* @param {object} [options]
* @param {number} [maxSides]
* @return {body} A new circle body
*/
circle (x: number, y: number, radius: number, options?: IBodyDefinition, maxSides?: number): BodyType;
/**
* Creates a new rigid body model with a regular polygon hull with the given number of sides.
* The options parameter is an object that specifies any properties you wish to override the defaults.
* See the properties section of the `Matter.Body` module for detailed information on what you can pass via the `options` object.
* @method polygon
* @param {number} x
* @param {number} y
* @param {number} sides
* @param {number} radius
* @param {object} [options]
* @return {body} A new regular polygon body
*/
polygon (x: number, y: number, sides: number, radius: number, options?: IChamferableBodyDefinition): BodyType;
/**
* Creates a new rigid body model with a rectangle hull.
* The options parameter is an object that specifies any properties you wish to override the defaults.
* See the properties section of the `Matter.Body` module for detailed information on what you can pass via the `options` object.
* @method rectangle
* @param {number} x
* @param {number} y
* @param {number} width
* @param {number} height
* @param {object} [options]
* @return {body} A new rectangle body
*/
rectangle (x: number, y: number, width: number, height: number, options?: IChamferableBodyDefinition): BodyType;
/**
* Creates a new rigid body model with a trapezoid hull.
* The options parameter is an object that specifies any properties you wish to override the defaults.
* See the properties section of the `Matter.Body` module for detailed information on what you can pass via the `options` object.
* @method trapezoid
* @param {number} x
* @param {number} y
* @param {number} width
* @param {number} height
* @param {number} slope
* @param {object} [options]
* @return {body} A new trapezoid body
*/
trapezoid (x: number, y: number, width: number, height: number, slope: number, options?: IChamferableBodyDefinition): BodyType;
/**
* Creates a body using the supplied vertices (or an array containing multiple sets of vertices).
* If the vertices are convex, they will pass through as supplied.
* Otherwise if the vertices are concave, they will be decomposed if [poly-decomp.js](https://github.com/schteppe/poly-decomp.js) is available.
* Note that this process is not guaranteed to support complex sets of vertices (e.g. those with holes may fail).
* By default the decomposition will discard collinear edges (to improve performance).
* It can also optionally discard any parts that have an area less than `minimumArea`.
* If the vertices can not be decomposed, the result will fall back to using the convex hull.
* The options parameter is an object that specifies any `Matter.Body` properties you wish to override the defaults.
* See the properties section of the `Matter.Body` module for detailed information on what you can pass via the `options` object.
* @method fromVertices
* @param {number} x
* @param {number} y
* @param [[vector]] vertexSets
* @param {object} [options]
* @param {bool} [flagInternal=false]
* @param {number} [removeCollinear=0.01]
* @param {number} [minimumArea=10]
* @return {body}
*/
fromVertices (x: number, y: number, vertexSets: Array<Array<Vector>>, options?: IBodyDefinition, flagInternal?: boolean, removeCollinear?: number, minimumArea?: number): BodyType;
}
/**
* The `Matter.Body` module contains methods for creating and manipulating body models.
* A `Matter.Body` is a rigid body that can be simulated by a `Matter.Engine`.
* Factories for commonly used body configurations (such as rectangles, circles and other polygons) can be found in the module `Matter.Bodies`.
*
* See the included usage [examples](https://github.com/liabru/matter-js/tree/master/examples).
*
* @class Body
*/
class Body {
/**
* Applies a force to a body from a given world-space position, including resulting torque.
* @method applyForce
* @param {body} body
* @param {vector} position
* @param {vector} force
*/
static applyForce (body: BodyType, position: Vector, force: Vector): void;
/**
* Creates a new rigid body model. The options parameter is an object that specifies any properties you wish to override the defaults.
* All properties have default values, and many are pre-calculated automatically based on other properties.
* See the properties section below for detailed information on what you can pass via the `options` object.
* @method create
* @param {} options
* @return {body} body
*/
static create (options: IChamferableBodyDefinition): Body;
/**
* Rotates a body by a given angle relative to its current angle, without imparting any angular velocity.
* @method rotate
* @param {body} body
* @param {number} rotation
*/
static rotate (body: BodyType, rotation: number): void;
/**
* Returns the next unique group index for which bodies will collide.
* If `isNonColliding` is `true`, returns the next unique group index for which bodies will _not_ collide.
* See `body.collisionFilter` for more information.
* @method nextGroup
* @param {bool} [isNonColliding=false]
* @return {Number} Unique group index
*/
static nextGroup (isNonColliding: boolean): number;
/**
* Returns the next unique category bitfield (starting after the initial default category `0x0001`).
* There are 32 available. See `body.collisionFilter` for more information.
* @method nextCategory
* @return {Number} Unique category bitfield
*/
static nextCategory (): number;
/**
* Given a property and a value (or map of), sets the property(s) on the body, using the appropriate setter functions if they exist.
* Prefer to use the actual setter functions in performance critical situations.
* @method set
* @param {body} body
* @param {} settings A property name (or map of properties and values) to set on the body.
* @param {} value The value to set if `settings` is a single property name.
*/
static set (body: BodyType, settings: any, value?: any): void;
/**
* Sets the mass of the body. Inverse mass and density are automatically updated to reflect the change.
* @method setMass
* @param {body} body
* @param {number} mass
*/
static setMass (body: BodyType, mass: number): void;
/**
* Sets the density of the body. Mass is automatically updated to reflect the change.
* @method setDensity
* @param {body} body
* @param {number} density
*/
static setDensity (body: BodyType, density: number): void;
/**
* Sets the moment of inertia (i.e. second moment of area) of the body of the body.
* Inverse inertia is automatically updated to reflect the change. Mass is not changed.
* @method setInertia
* @param {body} body
* @param {number} inertia
*/
static setInertia (body: BodyType, inertia: number): void;
/**
* Sets the body's vertices and updates body properties accordingly, including inertia, area and mass (with respect to `body.density`).
* Vertices will be automatically transformed to be orientated around their centre of mass as the origin.
* They are then automatically translated to world space based on `body.position`.
*
* The `vertices` argument should be passed as an array of `Matter.Vector` points (or a `Matter.Vertices` array).
* Vertices must form a convex hull, concave hulls are not supported.
*
* @method setVertices
* @param {body} body
* @param {vector[]} vertices
*/
static setVertices (body: BodyType, vertices: Array<Vector>): void;
/**
* Sets the parts of the `body` and updates mass, inertia and centroid.
* Each part will have its parent set to `body`.
* By default the convex hull will be automatically computed and set on `body`, unless `autoHull` is set to `false.`
* Note that this method will ensure that the first part in `body.parts` will always be the `body`.
* @method setParts
* @param {body} body
* @param [body] parts
* @param {bool} [autoHull=true]
*/
static setParts (body: BodyType, parts: BodyType[], autoHull?: boolean): void;
/**
* Sets the position of the body instantly. Velocity, angle, force etc. are unchanged.
* @method setPosition
* @param {body} body
* @param {vector} position
*/
static setPosition (body: BodyType, position: Vector): void;
/**
* Sets the angle of the body instantly. Angular velocity, position, force etc. are unchanged.
* @method setAngle
* @param {body} body
* @param {number} angle
*/
static setAngle (body: BodyType, angle: number): void;
/**
* Sets the linear velocity of the body instantly. Position, angle, force etc. are unchanged. See also `Body.applyForce`.
* @method setVelocity
* @param {body} body
* @param {vector} velocity
*/
static setVelocity (body: BodyType, velocity: Vector): void;
/**
* Sets the angular velocity of the body instantly. Position, angle, force etc. are unchanged. See also `Body.applyForce`.
* @method setAngularVelocity
* @param {body} body
* @param {number} velocity
*/
static setAngularVelocity (body: BodyType, velocity: number): void;
/**
* Sets the body as static, including isStatic flag and setting mass and inertia to Infinity.
* @method setStatic
* @param {body} body
* @param {bool} isStatic
*/
static setStatic (body: BodyType, isStatic: boolean): void;
/**
* Scales the body, including updating physical properties (mass, area, axes, inertia), from a world-space point (default is body centre).
* @method scale
* @param {body} body
* @param {number} scaleX
* @param {number} scaleY
* @param {vector} [point]
*/
static scale (body: BodyType, scaleX: number, scaleY: number, point?: Vector): void;
/**
* Moves a body by a given vector relative to its current position, without imparting any velocity.
* @method translate
* @param {body} body
* @param {vector} translation
*/
static translate (body: BodyType, translation: Vector): void;
/**
* Performs a simulation step for the given `body`, including updating position and angle using Verlet integration.
* @method update
* @param {body} body
* @param {number} deltaTime
* @param {number} timeScale
* @param {number} correction
*/
static update (body: BodyType, deltaTime: number, timeScale: number, correction: number): void;
}
class BodyFactory {
/**
* Applies a force to a body from a given world-space position, including resulting torque.
* @method applyForce
* @param {body} body
* @param {vector} position
* @param {vector} force
*/
applyForce (body: BodyType, position: Vector, force: Vector): void;
/**
* Creates a new rigid body model. The options parameter is an object that specifies any properties you wish to override the defaults.
* All properties have default values, and many are pre-calculated automatically based on other properties.
* See the properties section below for detailed information on what you can pass via the `options` object.
* @method create
* @param {} options
* @return {body} body
*/
create (options: IChamferableBodyDefinition): BodyType;
/**
* Rotates a body by a given angle relative to its current angle, without imparting any angular velocity.
* @method rotate
* @param {body} body
* @param {number} rotation
*/
rotate (body: BodyType, rotation: number): void;
/**
* Returns the next unique group index for which bodies will collide.
* If `isNonColliding` is `true`, returns the next unique group index for which bodies will _not_ collide.
* See `body.collisionFilter` for more information.
* @method nextGroup
* @param {bool} [isNonColliding=false]
* @return {Number} Unique group index
*/
nextGroup (isNonColliding: boolean): number;
/**
* Returns the next unique category bitfield (starting after the initial default category `0x0001`).
* There are 32 available. See `body.collisionFilter` for more information.
* @method nextCategory
* @return {Number} Unique category bitfield
*/
nextCategory (): number;
/**
* Given a property and a value (or map of), sets the property(s) on the body, using the appropriate setter functions if they exist.
* Prefer to use the actual setter functions in performance critical situations.
* @method set
* @param {body} body
* @param {} settings A property name (or map of properties and values) to set on the body.
* @param {} value The value to set if `settings` is a single property name.
*/
set (body: BodyType, settings: any, value?: any): void;
/**
* Sets the mass of the body. Inverse mass and density are automatically updated to reflect the change.
* @method setMass
* @param {body} body
* @param {number} mass
*/
setMass (body: BodyType, mass: number): void;
/**
* Sets the density of the body. Mass is automatically updated to reflect the change.
* @method setDensity
* @param {body} body
* @param {number} density
*/
setDensity (body: BodyType, density: number): void;
/**
* Sets the moment of inertia (i.e. second moment of area) of the body of the body.
* Inverse inertia is automatically updated to reflect the change. Mass is not changed.
* @method setInertia
* @param {body} body
* @param {number} inertia
*/
setInertia (body: BodyType, inertia: number): void;
/**
* Sets the body's vertices and updates body properties accordingly, including inertia, area and mass (with respect to `body.density`).
* Vertices will be automatically transformed to be orientated around their centre of mass as the origin.
* They are then automatically translated to world space based on `body.position`.
*
* The `vertices` argument should be passed as an array of `Matter.Vector` points (or a `Matter.Vertices` array).
* Vertices must form a convex hull, concave hulls are not supported.
*
* @method setVertices
* @param {body} body
* @param {vector[]} vertices
*/
setVertices (body: BodyType, vertices: Array<Vector>): void;
/**
* Sets the parts of the `body` and updates mass, inertia and centroid.
* Each part will have its parent set to `body`.
* By default the convex hull will be automatically computed and set on `body`, unless `autoHull` is set to `false.`
* Note that this method will ensure that the first part in `body.parts` will always be the `body`.
* @method setParts
* @param {body} body
* @param [body] parts
* @param {bool} [autoHull=true]
*/
setParts (body: BodyType, parts: BodyType[], autoHull?: boolean): void;
/**
* Sets the position of the body instantly. Velocity, angle, force etc. are unchanged.
* @method setPosition
* @param {body} body
* @param {vector} position
*/
setPosition (body: BodyType, position: Vector): void;
/**
* Sets the angle of the body instantly. Angular velocity, position, force etc. are unchanged.
* @method setAngle
* @param {body} body
* @param {number} angle
*/
setAngle (body: BodyType, angle: number): void;
/**
* Sets the linear velocity of the body instantly. Position, angle, force etc. are unchanged. See also `Body.applyForce`.
* @method setVelocity
* @param {body} body
* @param {vector} velocity
*/
setVelocity (body: BodyType, velocity: Vector): void;
/**
* Sets the angular velocity of the body instantly. Position, angle, force etc. are unchanged. See also `Body.applyForce`.
* @method setAngularVelocity
* @param {body} body
* @param {number} velocity
*/
setAngularVelocity (body: BodyType, velocity: number): void;
/**
* Sets the body as static, including isStatic flag and setting mass and inertia to Infinity.
* @method setStatic
* @param {body} body
* @param {bool} isStatic
*/
setStatic (body: BodyType, isStatic: boolean): void;
/**
* Scales the body, including updating physical properties (mass, area, axes, inertia), from a world-space point (default is body centre).
* @method scale
* @param {body} body
* @param {number} scaleX
* @param {number} scaleY
* @param {vector} [point]
*/
scale (body: BodyType, scaleX: number, scaleY: number, point?: Vector): void;
/**
* Moves a body by a given vector relative to its current position, without imparting any velocity.
* @method translate
* @param {body} body
* @param {vector} translation
*/
translate (body: BodyType, translation: Vector): void;
/**
* Performs a simulation step for the given `body`, including updating position and angle using Verlet integration.
* @method update
* @param {body} body
* @param {number} deltaTime
* @param {number} timeScale
* @param {number} correction
*/
update (body: BodyType, deltaTime: number, timeScale: number, correction: number): void;
}
/**
* The `Matter.Bounds` module contains methods for creating and manipulating axis-aligned bounding boxes (AABB).
*
* @class Bounds
*/
class Bounds {
/**
* Creates a new axis-aligned bounding box (AABB) for the given vertices.
* @method create
* @param {vertices} vertices
* @return {IBound} A new bounds object
*/
static create (vertices: Vertices): IBound;
/**
* Updates bounds using the given vertices and extends the bounds given a velocity.
* @method update
* @param {IBound} bounds
* @param {vertices} vertices
* @param {vector} velocity
*/
static update (bounds: IBound, vertices: Vertices, velocity: Vector): void;
/**
* Returns true if the bounds contains the given point.
* @method contains
* @param {IBound} bounds
* @param {vector} point
* @return {boolean} True if the bounds contain the point, otherwise false
*/
static contains (bounds: IBound, point: Vector): boolean;
/**
* Returns true if the two bounds intersect.
* @method overlaps
* @param {IBound} boundsA
* @param {IBound} boundsB
* @return {boolean} True if the bounds overlap, otherwise false
*/
static overlaps (boundsA: IBound, boundsB: IBound): boolean;
/**
* Translates the bounds by the given vector.
* @method translate
* @param {IBound} bounds
* @param {vector} vector
*/
static translate (bounds: IBound, vector: Vector): void;
/**
* Shifts the bounds to the given position.
* @method shift
* @param {IBound} bounds
* @param {vector} position
*/
static shift (bounds: IBound, position: Vector): void;
}
class BoundsFactory {
/**
* Creates a new axis-aligned bounding box (AABB) for the given vertices.
* @method create
* @param {vertices} vertices
* @return {IBound} A new bounds object
*/
create (vertices: Vertices): IBound;
/**
* Updates bounds using the given vertices and extends the bounds given a velocity.
* @method update
* @param {IBound} bounds
* @param {vertices} vertices
* @param {vector} velocity
*/
update (bounds: IBound, vertices: Vertices, velocity: Vector): void;
/**
* Returns true if the bounds contains the given point.
* @method contains
* @param {IBound} bounds
* @param {vector} point
* @return {boolean} True if the bounds contain the point, otherwise false
*/
contains (bounds: IBound, point: Vector): boolean;
/**
* Returns true if the two bounds intersect.
* @method overlaps
* @param {IBound} boundsA
* @param {IBound} boundsB
* @return {boolean} True if the bounds overlap, otherwise false
*/
overlaps (boundsA: IBound, boundsB: IBound): boolean;
/**
* Translates the bounds by the given vector.
* @method translate
* @param {IBound} bounds
* @param {vector} vector
*/
translate (bounds: IBound, vector: Vector): void;
/**
* Shifts the bounds to the given position.
* @method shift
* @param {IBound} bounds
* @param {vector} position
*/
shift (bounds: IBound, position: Vector): void;
}
/**
* The `Matter.Composite` module contains methods for creating and manipulating composite bodies.
* A composite body is a collection of `Matter.Body`, `Matter.Constraint` and other `Matter.Composite`, therefore composites form a tree structure.
* It is important to use the functions in this module to modify composites, rather than directly modifying their properties.
* Note that the `Matter.World` object is also a type of `Matter.Composite` and as such all composite methods here can also operate on a `Matter.World`.
*
* See the included usage [examples](https://github.com/liabru/matter-js/tree/master/examples).
*
* @class Composite
*/
class Composite {
/**
* Generic add function. Adds one or many body(s), constraint(s) or a composite(s) to the given composite.
* Triggers `beforeAdd` and `afterAdd` events on the `composite`.
* @method add
* @param {ICompositeDefinition} composite
* @param {} object
* @return {composite} The original composite with the objects added
*/
static add (composite: CompositeType, object: BodyType | CompositeType | ConstraintType): CompositeType;
/**
* Returns all bodies in the given composite, including all bodies in its children, recursively.
* @method allBodies
* @param {composite} composite
* @return {body[]} All the bodies
*/
static allBodies (composite: CompositeType): Array<BodyType>;
/**
* Returns all composites in the given composite, including all composites in its children, recursively.
* @method allComposites
* @param {composite} composite
* @return {composite[]} All the composites
*/
static allComposites (composite: CompositeType): Array<CompositeType>;
/**
* Returns all constraints in the given composite, including all constraints in its children, recursively.
* @method allConstraints
* @param {composite} composite
* @return {constraint[]} All the constraints
*/
static allConstraints (composite: CompositeType): Array<ConstraintType>;
/**
* Removes all bodies, constraints and composites from the given composite.
* Optionally clearing its children recursively.
* @method clear
* @param {composite} composite
* @param {boolean} keepStatic
* @param {boolean} [deep=false]
*/
static clear (composite: CompositeType, keepStatic: boolean, deep?: boolean): void;
/**
* Creates a new composite. The options parameter is an object that specifies any properties you wish to override the defaults.
* See the properites section below for detailed information on what you can pass via the `options` object.
* @method create
* @param {} [options]
* @return {composite} A new composite
*/
static create (options?: ICompositeDefinition): CompositeType;
/**
* Searches the composite recursively for an object matching the type and id supplied, null if not found.
* @method get
* @param {composite} composite
* @param {number} id
* @param {string} type
* @return {object} The requested object, if found
*/
static get (composite: CompositeType, id: number, type: string): BodyType | CompositeType | ConstraintType;
/**
* Moves the given object(s) from compositeA to compositeB (equal to a remove followed by an add).
* @method move
* @param {compositeA} compositeA
* @param {object[]} objects
* @param {compositeB} compositeB
* @return {composite} Returns compositeA
*/
static move (compositeA: CompositeType, objects: Array<BodyType | CompositeType | ConstraintType>, compositeB: CompositeType): CompositeType;
/**
* Assigns new ids for all objects in the composite, recursively.
* @method rebase
* @param {composite} composite
* @return {composite} Returns composite
*/
static rebase (composite: CompositeType): CompositeType;
/**
* Generic remove function. Removes one or many body(s), constraint(s) or a composite(s) to the given composite.
* Optionally searching its children recursively.
* Triggers `beforeRemove` and `afterRemove` events on the `composite`.
* @method remove
* @param {composite} composite
* @param {} object
* @param {boolean} [deep=false]
* @return {composite} The original composite with the objects removed
*/
static remove (composite: CompositeType, object: BodyType | CompositeType | ConstraintType, deep?: boolean): CompositeType;
/**
* Sets the composite's `isModified` flag.
* If `updateParents` is true, all parents will be set (default: false).
* If `updateChildren` is true, all children will be set (default: false).
* @method setModified
* @param {composite} composite
* @param {boolean} isModified
* @param {boolean} [updateParents=false]
* @param {boolean} [updateChildren=false]
*/
static setModified (composite: CompositeType, isModified: boolean, updateParents?: boolean, updateChildren?: boolean): void;
/**
* Translates all children in the composite by a given vector relative to their current positions,
* without imparting any velocity.
* @method translate
* @param {composite} composite
* @param {vector} translation
* @param {bool} [recursive=true]
*/
static translate (composite: CompositeType, translation: Vector, recursive?: boolean): void;
/**
* Rotates all children in the composite by a given angle about the given point, without imparting any angular velocity.
* @method rotate
* @param {composite} composite
* @param {number} rotation
* @param {vector} point
* @param {bool} [recursive=true]
*/
static rotate (composite: CompositeType, rotation: number, point: Vector, recursive?: boolean): void;
/**
* Scales all children in the composite, including updating physical properties (mass, area, axes, inertia), from a world-space point.
* @method scale
* @param {composite} composite
* @param {number} scaleX
* @param {number} scaleY
* @param {vector} point
* @param {bool} [recursive=true]
*/
static scale (composite: CompositeType, scaleX: number, scaleY: number, point: Vector, recursive?: boolean): void;
}
class CompositeFactory {
/**
* Generic add function. Adds one or many body(s), constraint(s) or a composite(s) to the given composite.
* Triggers `beforeAdd` and `afterAdd` events on the `composite`.
* @method add
* @param {ICompositeDefinition} composite
* @param {} object
* @return {composite} The original composite with the objects added
*/
add (composite: CompositeType, object: BodyType | CompositeType | ConstraintType): CompositeType;
/**
* Returns all bodies in the given composite, including all bodies in its children, recursively.
* @method allBodies
* @param {composite} composite
* @return {body[]} All the bodies
*/
allBodies (composite: CompositeType): Array<BodyType>;
/**
* Returns all composites in the given composite, including all composites in its children, recursively.
* @method allComposites
* @param {composite} composite
* @return {composite[]} All the composites
*/
allComposites (composite: CompositeType): Array<CompositeType>;
/**
* Returns all constraints in the given composite, including all constraints in its children, recursively.
* @method allConstraints
* @param {composite} composite
* @return {constraint[]} All the constraints
*/
allConstraints (composite: CompositeType): Array<ConstraintType>;
/**
* Removes all bodies, constraints and composites from the given composite.
* Optionally clearing its children recursively.
* @method clear
* @param {composite} composite
* @param {boolean} keepStatic
* @param {boolean} [deep=false]
*/
clear (composite: CompositeType, keepStatic: boolean, deep?: boolean): void;
/**
* Creates a new composite. The options parameter is an object that specifies any properties you wish to override the defaults.
* See the properites section below for detailed information on what you can pass via the `options` object.
* @method create
* @param {} [options]
* @return {composite} A new composite
*/
create (options?: ICompositeDefinition): CompositeType;
/**
* Searches the composite recursively for an object matching the type and id supplied, null if not found.
* @method get
* @param {composite} composite
* @param {number} id
* @param {string} type
* @return {object} The requested object, if found
*/
get (composite: CompositeType, id: number, type: string): BodyType | CompositeType | ConstraintType;
/**
* Moves the given object(s) from compositeA to compositeB (equal to a remove followed by an add).
* @method move
* @param {compositeA} compositeA
* @param {object[]} objects
* @param {compositeB} compositeB
* @return {composite} Returns compositeA
*/
move (compositeA: CompositeType, objects: Array<BodyType | CompositeType | ConstraintType>, compositeB: CompositeType): CompositeType;
/**
* Assigns new ids for all objects in the composite, recursively.
* @method rebase
* @param {composite} composite
* @return {composite} Returns composite
*/
rebase (composite: CompositeType): CompositeType;
/**
* Generic remove function. Removes one or many body(s), constraint(s) or a composite(s) to the given composite.
* Optionally searching its children recursively.
* Triggers `beforeRemove` and `afterRemove` events on the `composite`.
* @method remove
* @param {composite} composite
* @param {} object
* @param {boolean} [deep=false]
* @return {composite} The original composite with the objects removed
*/
remove (composite: CompositeType, object: BodyType | CompositeType | ConstraintType, deep?: boolean): CompositeType;
/**
* Sets the composite's `isModified` flag.
* If `updateParents` is true, all parents will be set (default: false).
* If `updateChildren` is true, all children will be set (default: false).
* @method setModified
* @param {composite} composite
* @param {boolean} isModified
* @param {boolean} [updateParents=false]
* @param {boolean} [updateChildren=false]
*/
setModified (composite: CompositeType, isModified: boolean, updateParents?: boolean, updateChildren?: boolean): void;
/**
* Translates all children in the composite by a given vector relative to their current positions,
* without imparting any velocity.
* @method translate
* @param {composite} composite
* @param {vector} translation
* @param {bool} [recursive=true]
*/
translate (composite: CompositeType, translation: Vector, recursive?: boolean): void;
/**
* Rotates all children in the composite by a given angle about the given point, without imparting any angular velocity.
* @method rotate
* @param {composite} composite
* @param {number} rotation
* @param {vector} point
* @param {bool} [recursive=true]
*/
rotate (composite: CompositeType, rotation: number, point: Vector, recursive?: boolean): void;
/**
* Scales all children in the composite, including updating physical properties (mass, area, axes, inertia), from a world-space point.
* @method scale
* @param {composite} composite
* @param {number} scaleX
* @param {number} scaleY
* @param {vector} point
* @param {bool} [recursive=true]
*/
scale (composite: CompositeType, scaleX: number, scaleY: number, point: Vector, recursive?: boolean): void;
}
/**
* The `Matter.Composites` module contains factory methods for creating composite bodies
* with commonly used configurations (such as stacks and chains).
*
* See the included usage [examples](https://github.com/liabru/matter-js/tree/master/examples).
*
* @class Composites
*/
class Composites {
/**
* Creates a composite with simple car setup of bodies and constraints.
* @method car
* @param {number} xx
* @param {number} yy
* @param {number} width
* @param {number} height
* @param {number} wheelSize
* @return {composite} A new composite car body
*/
static car (xx: number, yy: number, width: number, height: number, wheelSize: number): CompositeType;
/**
* Chains all bodies in the given composite together using constraints.
* @method chain
* @param {composite} composite
* @param {number} xOffsetA
* @param {number} yOffsetA
* @param {number} xOffsetB
* @param {number} yOffsetB
* @param {object} options
* @return {composite} A new composite containing objects chained together with constraints
*/
static chain (composite: CompositeType, xOffsetA: number, yOffsetA: number, xOffsetB: number, yOffsetB: number, options: any): CompositeType;
/**
* Connects bodies in the composite with constraints in a grid pattern, with optional cross braces.
* @method mesh
* @param {composite} composite
* @param {number} columns
* @param {number} rows
* @param {boolean} crossBrace
* @param {object} options
* @return {composite} The composite containing objects meshed together with constraints
*/
static mesh (composite: CompositeType, columns: number, rows: number, crossBrace: boolean, options: any): CompositeType;
/**
* Creates a composite with a Newton's Cradle setup of bodies and constraints.
* @method newtonsCradle
* @param {number} xx
* @param {number} yy
* @param {number} number
* @param {number} size
* @param {number} length
* @return {composite} A new composite newtonsCradle body
*/
static newtonsCradle (xx: number, yy: number, number: number, size: number, length: number): CompositeType;
/**
* Create a new composite containing bodies created in the callback in a pyramid arrangement.
* This function uses the body's bounds to prevent overlaps.
* @method pyramid
* @param {number} xx
* @param {number} yy
* @param {number} columns
* @param {number} rows
* @param {number} columnGap
* @param {number} rowGap
* @param {function} callback
* @return {composite} A new composite containing objects created in the callback
*/
static pyramid (xx: number, yy: number, columns: number, rows: number, columnGap: number, rowGap: number, callback: Function): CompositeType;
/**
* Creates a simple soft body like object.
* @method softBody
* @param {number} xx
* @param {number} yy
* @param {number} columns
* @param {number} rows
* @param {number} columnGap
* @param {number} rowGap
* @param {boolean} crossBrace
* @param {number} particleRadius
* @param {} particleOptions
* @param {} constraintOptions
* @return {composite} A new composite softBody
*/
static softBody (xx: number, yy: number, columns: number, rows: number, columnGap: number, rowGap: number, crossBrace: boolean, particleRadius: number, particleOptions: any, constraintOptions: any): CompositeType;
/**
* Create a new composite containing bodies created in the callback in a grid arrangement.
* This function uses the body's bounds to prevent overlaps.
* @method stack
* @param {number} xx
* @param {number} yy
* @param {number} columns
* @param {number} rows
* @param {number} columnGap
* @param {number} rowGap
* @param {function} callback
* @return {composite} A new composite containing objects created in the callback
*/
static stack (xx: number, yy: number, columns: number, rows: number, columnGap: number, rowGap: number, callback: Function): CompositeType;
}
class CompositesFactory {
/**
* Creates a composite with simple car setup of bodies and constraints.
* @method car
* @param {number} xx
* @param {number} yy
* @param {number} width
* @param {number} height
* @param {number} wheelSize
* @return {composite} A new composite car body
*/
car (xx: number, yy: number, width: number, height: number, wheelSize: number): CompositeType;
/**
* Chains all bodies in the given composite together using constraints.
* @method chain
* @param {composite} composite
* @param {number} xOffsetA
* @param {number} yOffsetA
* @param {number} xOffsetB
* @param {number} yOffsetB
* @param {object} options
* @return {composite} A new composite containing objects chained together with constraints
*/
chain (composite: CompositeType, xOffsetA: number, yOffsetA: number, xOffsetB: number, yOffsetB: number, options: any): CompositeType;
/**
* Connects bodies in the composite with constraints in a grid pattern, with optional cross braces.
* @method mesh
* @param {composite} composite
* @param {number} columns
* @param {number} rows
* @param {boolean} crossBrace
* @param {object} options
* @return {composite} The composite containing objects meshed together with constraints
*/
mesh (composite: CompositeType, columns: number, rows: number, crossBrace: boolean, options: any): CompositeType;
/**
* Creates a composite with a Newton's Cradle setup of bodies and constraints.
* @method newtonsCradle
* @param {number} xx
* @param {number} yy
* @param {number} number
* @param {number} size
* @param {number} length
* @return {composite} A new composite newtonsCradle body
*/
newtonsCradle (xx: number, yy: number, number: number, size: number, length: number): CompositeType;
/**
* Create a new composite containing bodies created in the callback in a pyramid arrangement.
* This function uses the body's bounds to prevent overlaps.
* @method pyramid
* @param {number} xx
* @param {number} yy
* @param {number} columns
* @param {number} rows
* @param {number} columnGap
* @param {number} rowGap
* @param {function} callback
* @return {composite} A new composite containing objects created in the callback
*/
pyramid (xx: number, yy: number, columns: number, rows: number, columnGap: number, rowGap: number, callback: Function): CompositeType;
/**
* Creates a simple soft body like object.
* @method softBody
* @param {number} xx
* @param {number} yy
* @param {number} columns
* @param {number} rows
* @param {number} columnGap
* @param {number} rowGap
* @param {boolean} crossBrace
* @param {number} particleRadius
* @param {} particleOptions
* @param {} constraintOptions
* @return {composite} A new composite softBody
*/
softBody (xx: number, yy: number, columns: number, rows: number, columnGap: number, rowGap: number, crossBrace: boolean, particleRadius: number, particleOptions: any, constraintOptions: any): CompositeType;
/**
* Create a new composite containing bodies created in the callback in a grid arrangement.
* This function uses the body's bounds to prevent overlaps.
* @method stack
* @param {number} xx
* @param {number} yy
* @param {number} columns
* @param {number} rows
* @param {number} columnGap
* @param {number} rowGap
* @param {function} callback
* @return {composite} A new composite containing objects created in the callback
*/
stack (xx: number, yy: number, columns: number, rows: number, columnGap: number, rowGap: number, callback: Function): CompositeType;
}
/**
* The `Matter.Constraint` module contains methods for creating and manipulating constraints.
* Constraints are used for specifying that a fixed distance must be maintained between two bodies (or a body and a fixed world-space position).
* The stiffness of constraints can be modified to create springs or elastic.
*
* See the included usage [examples](https://github.com/liabru/matter-js/tree/master/examples).
*
* @class Constraint
*/
class Constraint {
/**
* Creates a new constraint.
* All properties have default values, and many are pre-calculated automatically based on other properties.
* See the properties section below for detailed information on what you can pass via the `options` object.
* @method create
* @param {} options
* @return {constraint} constraint
*/
static create (options: IConstraintDefinition): ConstraintType;
}
class ConstraintFactory {
/**
* Creates a new constraint.
* All properties have default values, and many are pre-calculated automatically based on other properties.
* See the properties section below for detailed information on what you can pass via the `options` object.
* @method create
* @param {} options
* @return {constraint} constraint
*/
create (options: IConstraintDefinition): ConstraintType;
}
/**
* The `Matter.Engine` module contains methods for creating and manipulating engines.
* An engine is a controller that manages updating the simulation of the world.
* See `Matter.Runner` for an optional game loop utility.
*
* See the included usage [examples](https://github.com/liabru/matter-js/tree/master/examples).
*
* @class Engine
*/
class Engine {
/**
* Clears the engine including the world, pairs and broadphase.
* @method clear
* @param {engine} engine
*/
static clear (engine: Engine): void;
/**
* Creates a new engine. The options parameter is an object that specifies any properties you wish to override the defaults.
* All properties have default values, and many are pre-calculated automatically based on other properties.
* See the properties section below for detailed information on what you can pass via the `options` object.
* @method create
* @param {HTMLElement} element
* @param {object} [options]
* @return {engine} engine
* @deprecated
*/
static create (element?: HTMLElement | IEngineDefinition, options?: IEngineDefinition): Engine;
/**
* Creates a new engine. The options parameter is an object that specifies any properties you wish to override the defaults.
* All properties have default values, and many are pre-calculated automatically based on other properties.
* See the properties section below for detailed information on what you can pass via the `options` object.
* @method create
* @param {object} [options]
* @return {engine} engine
* @deprecated
*/
static create (options?: IEngineDefinition): Engine;
/**
* Merges two engines by keeping the configuration of `engineA` but replacing the world with the one from `engineB`.
* @method merge
* @param {engine} engineA
* @param {engine} engineB
*/
static merge (engineA: Engine, engineB: Engine): void;
/**
* Moves the simulation forward in time by `delta` ms.
* The `correction` argument is an optional `Number` that specifies the time correction factor to apply to the update.
* This can help improve the accuracy of the simulation in cases where `delta` is changing between updates.
* The value of `correction` is defined as `delta / lastDelta`, i.e. the percentage change of `delta` over the last step.
* Therefore the value is always `1` (no correction) when `delta` constant (or when no correction is desired, which is the default).
* See the paper on <a href="http://lonesock.net/article/verlet.html">Time Corrected Verlet</a> for more information.
*
* Triggers `beforeUpdate` and `afterUpdate` events.
* Triggers `collisionStart`, `collisionActive` and `collisionEnd` events.
* @method update
* @param {engine} engine
* @param {number} [delta=16.666]
* @param {number} [correction=1]
*/
static update (engine: Engine, delta?: number, correction?: number): Engine;
/**
* An alias for `Runner.run`, see `Matter.Runner` for more information.
* @method run
* @param {engine} engine
*/
static run (engine: Engine): void;
/**
* An instance of a broadphase controller. The default value is a `Matter.Grid` instance created by `Engine.create`.
*
* @property broadphase
* @type grid
* @default a Matter.Grid instance
*/
broadphase: Grid;
/**
* An integer `Number` that specifies the number of constraint iterations to perform each update.
* The higher the value, the higher quality the simulation will be at the expense of performance.
* The default value of `2` is usually very adequate.
*
* @property constraintIterations
* @type number
* @default 2
*/
constraintIterations: number;
/**
* A flag that specifies whether the engine is running or not.
*/
enabled: boolean;
/**
* A flag that specifies whether the engine should allow sleeping via the `Matter.Sleeping` module.
* Sleeping can improve stability and performance, but often at the expense of accuracy.
*
* @property enableSleeping
* @type boolean
* @default false
*/
enableSleeping: boolean;
/**
* Collision pair set for this `Engine`.
*/
pairs: any;
/**
* An integer `Number` that specifies the number of position iterations to perform each update.
* The higher the value, the higher quality the simulation will be at the expense of performance.
*
* @property positionIterations
* @type number
* @default 6
*/
positionIterations: number;
/**
* An `Object` containing properties regarding the timing systems of the engine.
*
* @property timing
* @type object
*/
timing: IEngineTimingOptions;
/**
* An integer `Number` that specifies the number of velocity iterations to perform each update.
* The higher the value, the higher quality the simulation will be at the expense of performance.
*
* @property velocityIterations
* @type number
* @default 4
*/
velocityIterations: number;
/**
* A `World` composite object that will contain all simulated bodies and constraints.
*
* @property world
* @type world
* @default a Matter.World instance
*/
world: World;
}
/**
* The `Matter.Grid` module contains methods for creating and manipulating collision broadphase grid structures.
*
* @class Grid
*/
class Grid {
/**
* Creates a new grid.
* @method create
* @param {} options
* @return {grid} A new grid
*/
static create (options?: IGridDefinition): Grid;
/**
* Updates the grid.
* @method update
* @param {grid} grid
* @param {body[]} bodies
* @param {engine} engine
* @param {boolean} forceUpdate
*/
static update (grid: Grid, bodies: Array<BodyType>, engine: Engine, forceUpdate: boolean): void;
/**
* Clears the grid.
* @method clear
* @param {grid} grid
*/
static clear (grid: Grid): void;
}
class GridFactory {
/**
* Creates a new grid.
* @method create
* @param {} options
* @return {grid} A new grid
*/
create (options?: IGridDefinition): Grid;
/**
* Updates the grid.
* @method update
* @param {grid} grid
* @param {body[]} bodies
* @param {engine} engine
* @param {boolean} forceUpdate
*/
update (grid: Grid, bodies: Array<BodyType>, engine: Engine, forceUpdate: boolean): void;
/**
* Clears the grid.
* @method clear
* @param {grid} grid
*/
clear (grid: Grid): void;
}
/**
* The `Matter.MouseConstraint` module contains methods for creating mouse constraints.
* Mouse constraints are used for allowing user interaction, providing the ability to move bodies via the mouse or touch.
*
* See the included usage [examples](https://github.com/liabru/matter-js/tree/master/examples).
*
* @class MouseConstraint
*/
class MouseConstraint {
/**
* Creates a new mouse constraint.
* All properties have default values, and many are pre-calculated automatically based on other properties.
* See the properties section below for detailed information on what you can pass via the `options` object.
* @method create
* @param {engine} engine
* @param {} options
* @return {MouseConstraint} A new MouseConstraint
*/
static create (engine: Engine, options?: IMouseConstraintDefinition): MouseConstraint;
/**
* The `Constraint` object that is used to move the body during interaction.
*
* @property constraint
* @type constraint
*/
constraint: ConstraintType;
/**
* An `Object` that specifies the collision filter properties.
* The collision filter allows the user to define which types of body this mouse constraint can interact with.
* See `body.collisionFilter` for more information.
*
* @property collisionFilter
* @type object
*/
collisionFilter: ICollisionFilter;
/**
* The `Body` that is currently being moved by the user, or `null` if no body.
*
* @property body
* @type body
* @default null
*/
body: BodyType;
/**
* A `String` denoting the type of object.
*
* @property type
* @type string
* @default "constraint"
*/
type: string;
}
/**
* The `Matter.Pairs` module contains methods for creating and manipulating collision pair sets.
*
* @class Pairs
*/
class Pairs {
/**
* Clears the given pairs structure.
* @method clear
* @param {pairs} pairs
* @return {pairs} pairs
*/
static clear (pairs: any): any;
}
class PairsFactory {
/**
* Clears the given pairs structure.
* @method clear
* @param {pairs} pairs
* @return {pairs} pairs
*/
clear (pairs: any): any;
}
/**
* The `Matter.Pair` module contains methods for creating and manipulating collision pairs.
*
* @class Pair
*/
class Pair {
/**
* Creates a pair.
* @method create
* @param {ICollisionData} collision
* @param {number} timestamp
* @return {IPair} A new pair
*/
static create (collision: ICollisionData, timestamp: number): IPair;
/**
* Updates a pair given a collision.
* @method update
* @param {IPair} pair
* @param {ICollisionData} collision
* @param {number} timestamp
*/
static update (pair: IPair, collision: ICollisionData, timestamp: number): void;
/**
* Set a pair as active or inactive.
* @method setActive
* @param {IPair} pair
* @param {boolean} isActive
* @param {number} timestamp
*/
static setActive (pair: IPair, isActive: boolean, timestamp: number): void;
/**
* Get the id for the given pair.
* @method id
* @param {Body} bodyA
* @param {Body} bodyB
* @return {string} Unique pairId
*/
static id (bodyA: BodyType, bodyB: BodyType): string;
}
class PairFactory {
/**
* Creates a pair.
* @method create
* @param {ICollisionData} collision
* @param {number} timestamp
* @return {IPair} A new pair
*/
create (collision: ICollisionData, timestamp: number): IPair;
/**
* Updates a pair given a collision.
* @method update
* @param {IPair} pair
* @param {ICollisionData} collision
* @param {number} timestamp
*/
update (pair: IPair, collision: ICollisionData, timestamp: number): void;
/**
* Set a pair as active or inactive.
* @method setActive
* @param {IPair} pair
* @param {boolean} isActive
* @param {number} timestamp
*/
setActive (pair: IPair, isActive: boolean, timestamp: number): void;
/**
* Get the id for the given pair.
* @method id
* @param {Body} bodyA
* @param {Body} bodyB
* @return {string} Unique pairId
*/
id (bodyA: BodyType, bodyB: BodyType): string;
}
/**
* The `Matter.Detector` module contains methods for detecting collisions given a set of pairs.
*
* @class Detector
*/
class Detector {
/**
* Finds all collisions given a list of pairs.
* @method collisions
* @param {pair[]} broadphasePairs
* @param {engine} engine
* @return {ICollisionData[]} collisions
*/
static collisions (broadphasePairs: IPair[], engine: Engine): ICollisionData[];
/**
* Returns `true` if both supplied collision filters will allow a collision to occur.
* See `body.collisionFilter` for more information.
* @method canCollide
* @param {} filterA
* @param {} filterB
* @return {bool} `true` if collision can occur
*/
static canCollide (filterA: ICollisionFilter, filterB: ICollisionFilter): boolean;
}
class DetectorFactory {
/**
* Finds all collisions given a list of pairs.
* @method collisions
* @param {pair[]} broadphasePairs
* @param {engine} engine
* @return {ICollisionData[]} collisions
*/
collisions (broadphasePairs: IPair[], engine: Engine): ICollisionData[];
/**
* Returns `true` if both supplied collision filters will allow a collision to occur.
* See `body.collisionFilter` for more information.
* @method canCollide
* @param {} filterA
* @param {} filterB
* @return {bool} `true` if collision can occur
*/
canCollide (filterA: ICollisionFilter, filterB: ICollisionFilter): boolean;
}
/**
* The `Matter.Resolver` module contains methods for resolving collision pairs.
*
* @class Resolver
*/
class Resolver {
/**
* Prepare pairs for position solving.
* @method preSolvePosition
* @param {pair[]} pairs
*/
static preSolvePosition (pairs: IPair[]): void;
/**
* Find a solution for pair positions.
* @method solvePosition
* @param {pair[]} pairs
* @param {body[]} bodies
* @param {number} timeScale
*/
static solvePosition (pairs: IPair[], bodies: BodyType[], timeScale: number): void;
/**
* Apply position resolution.
* @method postSolvePosition
* @param {body[]} bodies
*/
static postSolvePosition (bodies: BodyType[]): void;
/**
* Prepare pairs for velocity solving.
* @method preSolveVelocity
* @param {pair[]} pairs
*/
static preSolveVelocity (pairs: IPair[]): void;
/**
* Find a solution for pair velocities.
* @method solveVelocity
* @param {pair[]} pairs
* @param {number} timeScale
*/
static solveVelocity (pairs: IPair[], timeScale: number): void;
}
class ResolverFactory {
/**
* Prepare pairs for position solving.
* @method preSolvePosition
* @param {pair[]} pairs
*/
preSolvePosition (pairs: IPair[]): void;
/**
* Find a solution for pair positions.
* @method solvePosition
* @param {pair[]} pairs
* @param {body[]} bodies
* @param {number} timeScale
*/
solvePosition (pairs: IPair[], bodies: BodyType[], timeScale: number): void;
/**
* Apply position resolution.
* @method postSolvePosition
* @param {body[]} bodies
*/
postSolvePosition (bodies: BodyType[]): void;
/**
* Prepare pairs for velocity solving.
* @method preSolveVelocity
* @param {pair[]} pairs
*/
preSolveVelocity (pairs: IPair[]): void;
/**
* Find a solution for pair velocities.
* @method solveVelocity
* @param {pair[]} pairs
* @param {number} timeScale
*/
solveVelocity (pairs: IPair[], timeScale: number): void;
}
/**
* The `Matter.SAT` module contains methods for detecting collisions using the Separating Axis Theorem.
*
* @class SAT
*/
class SAT {
/**
* Detect collision between two bodies using the Separating Axis Theorem.
* @method collides
* @param {body} bodyA
* @param {body} bodyB
* @param {ICollisionData} previousCollision
* @return {ICollisionData} collision
*/
static collides (bodyA: BodyType, bodyB: BodyType, previousCollision: ICollisionData): ICollisionData;
}
class SATFactory {
/**
* Detect collision between two bodies using the Separating Axis Theorem.
* @method collides
* @param {body} bodyA
* @param {body} bodyB
* @param {ICollisionData} previousCollision
* @return {ICollisionData} collision
*/
collides (bodyA: BodyType, bodyB: BodyType, previousCollision: ICollisionData): ICollisionData;
}
/**
* The `Matter.Query` module contains methods for performing collision queries.
*
* See the included usage [examples](https://github.com/liabru/matter-js/tree/master/examples).
*
* @class Query
*/
class Query {
/**
* Casts a ray segment against a set of bodies and returns all collisions, ray width is optional. Intersection points are not provided.
* @method ray
* @param {body[]} bodies
* @param {vector} startPoint
* @param {vector} endPoint
* @param {number} [rayWidth]
* @return {object[]} Collisions
*/
static ray (bodies: Array<BodyType>, startPoint: Vector, endPoint: Vector, rayWidth?: number): Array<ICollisionData>;
/**
* Returns all bodies whose bounds are inside (or outside if set) the given set of bounds, from the given set of bodies.
* @method region
* @param {body[]} bodies
* @param {bounds} bounds
* @param {bool} [outside=false]
* @return {body[]} The bodies matching the query
*/
static region (bodies: Array<BodyType>, bounds: Bounds, outside?: boolean): Array<BodyType>;
/**
* Returns all bodies whose vertices contain the given point, from the given set of bodies.
* @method point
* @param {body[]} bodies
* @param {vector} point
* @return {body[]} The bodies matching the query
*/
static point (bodies: Array<BodyType>, point: Vector): Array<BodyType>;
}
class QueryFactory {
/**
* Casts a ray segment against a set of bodies and returns all collisions, ray width is optional. Intersection points are not provided.
* @method ray
* @param {body[]} bodies
* @param {vector} startPoint
* @param {vector} endPoint
* @param {number} [rayWidth]
* @return {object[]} Collisions
*/
ray (bodies: Array<BodyType>, startPoint: Vector, endPoint: Vector, rayWidth?: number): Array<ICollisionData>;
/**
* Returns all bodies whose bounds are inside (or outside if set) the given set of bounds, from the given set of bodies.
* @method region
* @param {body[]} bodies
* @param {bounds} bounds
* @param {bool} [outside=false]
* @return {body[]} The bodies matching the query
*/
region (bodies: Array<BodyType>, bounds: Bounds, outside?: boolean): Array<BodyType>;
/**
* Returns all bodies whose vertices contain the given point, from the given set of bodies.
* @method point
* @param {body[]} bodies
* @param {vector} point
* @return {body[]} The bodies matching the query
*/
point (bodies: Array<BodyType>, point: Vector): Array<BodyType>;
}
/**
* The `Matter.Runner` module is an optional utility which provides a game loop,
* that handles updating and rendering a `Matter.Engine` for you within a browser.
* It is intended for demo and testing purposes, but may be adequate for simple games.
* If you are using your own game loop instead, then you do not need the `Matter.Runner` module.
* Instead just call `Engine.update(engine, delta)` in your own loop.
* Note that the method `Engine.run` is an alias for `Runner.run`.
*
* See the included usage [examples](https://github.com/liabru/matter-js/tree/master/examples).
*
* @class Runner
*/
class Runner {
/**
* Creates a new Runner. The options parameter is an object that specifies any properties you wish to override the defaults.
* @method create
* @param {} options
*/
static create (options: IRunnerOptions): Runner;
/**
* Continuously ticks a `Matter.Engine` by calling `Runner.tick` on the `requestAnimationFrame` event.
* @method run
* @param {engine} engine
*/
static run (runner: Runner, engine: Engine): Runner;
/**
* Continuously ticks a `Matter.Engine` by calling `Runner.tick` on the `requestAnimationFrame` event.
* @method run
* @param {engine} engine
*/
static run (engine: Engine): Runner;
/**
* A game loop utility that updates the engine and renderer by one step (a 'tick').
* Features delta smoothing, time correction and fixed or dynamic timing.
* Triggers `beforeTick`, `tick` and `afterTick` events on the engine.
* Consider just `Engine.update(engine, delta)` if you're using your own loop.
* @method tick
* @param {runner} runner
* @param {engine} engine
* @param {number} time
*/
static tick (runner: Runner, engine: Engine, time: number): void;
/**
* Ends execution of `Runner.run` on the given `runner`, by canceling the animation frame request event loop.
* If you wish to only temporarily pause the engine, see `engine.enabled` instead.
* @method stop
* @param {runner} runner
*/
static stop (runner: Runner): void;
/**
* Alias for `Runner.run`.
* @method start
* @param {runner} runner
* @param {engine} engine
*/
static start (runner: Runner, engine: Engine): void;
/**
* A flag that specifies whether the runner is running or not.
*
* @property enabled
* @type boolean
* @default true
*/
enabled: boolean;
/**
* A `Boolean` that specifies if the runner should use a fixed timestep (otherwise it is variable).
* If timing is fixed, then the apparent simulation speed will change depending on the frame rate (but behaviour will be deterministic).
* If the timing is variable, then the apparent simulation speed will be constant (approximately, but at the cost of determininism).
*
* @property isFixed
* @type boolean
* @default false
*/
isFixed: boolean;
/**
* A `Number` that specifies the time step between updates in milliseconds.
* If `engine.timing.isFixed` is set to `true`, then `delta` is fixed.
* If it is `false`, then `delta` can dynamically change to maintain the correct apparent simulation speed.
*
* @property delta
* @type number
* @default 1000 / 60
*/
delta: number;
}
/**
* The `Matter.Sleeping` module contains methods to manage the sleeping state of bodies.
*
* @class Sleeping
*/
class Sleeping {
static set (body: BodyType, isSleeping: boolean): void;
}
class SleepingFactory {
set (body: BodyType, isSleeping: boolean): void;
}
/**
* The `Matter.Svg` module contains methods for converting SVG images into an array of vector points.
*
* See the included usage [examples](https://github.com/liabru/matter-js/tree/master/examples).
*
* @class Svg
*/
class Svg {
/**
* Converts an SVG path into an array of vector points.
* If the input path forms a concave shape, you must decompose the result into convex parts before use.
* See `Bodies.fromVertices` which provides support for this.
* Note that this function is not guaranteed to support complex paths (such as those with holes).
* @method pathToVertices
* @param {SVGPathElement} path
* @param {Number} [sampleLength=15]
* @return {Vector[]} points
*/
static pathToVertices (path: SVGPathElement, sampleLength: number): Array<Vector>;
}
class SvgFactory {
/**
* Converts an SVG path into an array of vector points.
* If the input path forms a concave shape, you must decompose the result into convex parts before use.
* See `Bodies.fromVertices` which provides support for this.
* Note that this function is not guaranteed to support complex paths (such as those with holes).
* @method pathToVertices
* @param {SVGPathElement} path
* @param {Number} [sampleLength=15]
* @return {Vector[]} points
*/
pathToVertices (path: SVGPathElement, sampleLength: number): Array<Vector>;
}
/**
* The `Matter.Vector` module contains methods for creating and manipulating vectors.
* Vectors are the basis of all the geometry related operations in the engine.
* A `Matter.Vector` object is of the form `{ x: 0, y: 0 }`.
*
* See the included usage [examples](https://github.com/liabru/matter-js/tree/master/examples).
*
* @class Vector
*/
class Vector {
x: number;
y: number;
/**
* Creates a new vector.
* @method create
* @param {number} x
* @param {number} y
* @return {vector} A new vector
*/
static create (x?: number, y?: number): Vector;
/**
* Returns a new vector with `x` and `y` copied from the given `vector`.
* @method clone
* @param {vector} vector
* @return {vector} A new cloned vector
*/
static clone (vector: Vector): Vector;
/**
* Returns the cross-product of three vectors.
* @method cross3
* @param {vector} vectorA
* @param {vector} vectorB
* @param {vector} vectorC
* @return {number} The cross product of the three vectors
*/
static cross3 (vectorA: Vector, vectorB: Vector, vectorC: Vector): number;
/**
* Adds the two vectors.
* @method add
* @param {vector} vectorA
* @param {vector} vectorB
* @param {vector} [output]
* @return {vector} A new vector of vectorA and vectorB added
*/
static add (vectorA: Vector, vectorB: Vector, output?: Vector): Vector;
/**
* Returns the angle in radians between the two vectors relative to the x-axis.
* @method angle
* @param {vector} vectorA
* @param {vector} vectorB
* @return {number} The angle in radians
*/
static angle (vectorA: Vector, vectorB: Vector): number;
/**
* Returns the cross-product of two vectors.
* @method cross
* @param {vector} vectorA
* @param {vector} vectorB
* @return {number} The cross product of the two vectors
*/
static cross (vectorA: Vector, vectorB: Vector): number;
/**
* Divides a vector and a scalar.
* @method div
* @param {vector} vector
* @param {number} scalar
* @return {vector} A new vector divided by scalar
*/
static div (vector: Vector, scalar: number): Vector;
/**
* Returns the dot-product of two vectors.
* @method dot
* @param {vector} vectorA
* @param {vector} vectorB
* @return {number} The dot product of the two vectors
*/
static dot (vectorA: Vector, vectorB: Vector): Number;
/**
* Returns the magnitude (length) of a vector.
* @method magnitude
* @param {vector} vector
* @return {number} The magnitude of the vector
*/
static magnitude (vector: Vector): number;
/**
* Returns the magnitude (length) of a vector (therefore saving a `sqrt` operation).
* @method magnitudeSquared
* @param {vector} vector
* @return {number} The squared magnitude of the vector
*/
static magnitudeSquared (vector: Vector): number;
/**
* Multiplies a vector and a scalar.
* @method mult
* @param {vector} vector
* @param {number} scalar
* @return {vector} A new vector multiplied by scalar
*/
static mult (vector: Vector, scalar: number): Vector;
/**
* Negates both components of a vector such that it points in the opposite direction.
* @method neg
* @param {vector} vector
* @return {vector} The negated vector
*/
static neg (vector: Vector): Vector;
/**
* Normalises a vector (such that its magnitude is `1`).
* @method normalise
* @param {vector} vector
* @return {vector} A new vector normalised
*/
static normalise (vector: Vector): Vector;
/**
* Returns the perpendicular vector. Set `negate` to true for the perpendicular in the opposite direction.
* @method perp
* @param {vector} vector
* @param {bool} [negate=false]
* @return {vector} The perpendicular vector
*/
static perp (vector: Vector, negate?: boolean): Vector;
/**
* Rotates the vector about (0, 0) by specified angle.
* @method rotate
* @param {vector} vector
* @param {number} angle
* @return {vector} A new vector rotated about (0, 0)
*/
static rotate (vector: Vector, angle: number): Vector;
/**
* Rotates the vector about a specified point by specified angle.
* @method rotateAbout
* @param {vector} vector
* @param {number} angle
* @param {vector} point
* @param {vector} [output]
* @return {vector} A new vector rotated about the point
*/
static rotateAbout (vector: Vector, angle: number, point: Vector, output?: Vector): Vector;
/**
* Subtracts the two vectors.
* @method sub
* @param {vector} vectorA
* @param {vector} vectorB
* @param {vector} [output]
* @return {vector} A new vector of vectorA and vectorB subtracted
*/
static sub (vectorA: Vector, vectorB: Vector, optional?: Vector): Vector;
}
class VectorFactory {
/**
* Creates a new vector.
* @method create
* @param {number} x
* @param {number} y
* @return {vector} A new vector
*/
create (x?: number, y?: number): Vector;
/**
* Returns a new vector with `x` and `y` copied from the given `vector`.
* @method clone
* @param {vector} vector
* @return {vector} A new cloned vector
*/
clone (vector: Vector): Vector;
/**
* Returns the cross-product of three vectors.
* @method cross3
* @param {vector} vectorA
* @param {vector} vectorB
* @param {vector} vectorC
* @return {number} The cross product of the three vectors
*/
cross3 (vectorA: Vector, vectorB: Vector, vectorC: Vector): number;
/**
* Adds the two vectors.
* @method add
* @param {vector} vectorA
* @param {vector} vectorB
* @param {vector} [output]
* @return {vector} A new vector of vectorA and vectorB added
*/
add (vectorA: Vector, vectorB: Vector, output?: Vector): Vector;
/**
* Returns the angle in radians between the two vectors relative to the x-axis.
* @method angle
* @param {vector} vectorA
* @param {vector} vectorB
* @return {number} The angle in radians
*/
angle (vectorA: Vector, vectorB: Vector): number;
/**
* Returns the cross-product of two vectors.
* @method cross
* @param {vector} vectorA
* @param {vector} vectorB
* @return {number} The cross product of the two vectors
*/
cross (vectorA: Vector, vectorB: Vector): number;
/**
* Divides a vector and a scalar.
* @method div
* @param {vector} vector
* @param {number} scalar
* @return {vector} A new vector divided by scalar
*/
div (vector: Vector, scalar: number): Vector;
/**
* Returns the dot-product of two vectors.
* @method dot
* @param {vector} vectorA
* @param {vector} vectorB
* @return {number} The dot product of the two vectors
*/
dot (vectorA: Vector, vectorB: Vector): number;
/**
* Returns the magnitude (length) of a vector.
* @method magnitude
* @param {vector} vector
* @return {number} The magnitude of the vector
*/
magnitude (vector: Vector): number;
/**
* Returns the magnitude (length) of a vector (therefore saving a `sqrt` operation).
* @method magnitudeSquared
* @param {vector} vector
* @return {number} The squared magnitude of the vector
*/
magnitudeSquared (vector: Vector): number;
/**
* Multiplies a vector and a scalar.
* @method mult
* @param {vector} vector
* @param {number} scalar
* @return {vector} A new vector multiplied by scalar
*/
mult (vector: Vector, scalar: number): Vector;
/**
* Negates both components of a vector such that it points in the opposite direction.
* @method neg
* @param {vector} vector
* @return {vector} The negated vector
*/
neg (vector: Vector): Vector;
/**
* Normalises a vector (such that its magnitude is `1`).
* @method normalise
* @param {vector} vector
* @return {vector} A new vector normalised
*/
normalise (vector: Vector): Vector;
/**
* Returns the perpendicular vector. Set `negate` to true for the perpendicular in the opposite direction.
* @method perp
* @param {vector} vector
* @param {bool} [negate=false]
* @return {vector} The perpendicular vector
*/
perp (vector: Vector, negate?: boolean): Vector;
/**
* Rotates the vector about (0, 0) by specified angle.
* @method rotate
* @param {vector} vector
* @param {number} angle
* @return {vector} A new vector rotated about (0, 0)
*/
rotate (vector: Vector, angle: number): Vector;
/**
* Rotates the vector about a specified point by specified angle.
* @method rotateAbout
* @param {vector} vector
* @param {number} angle
* @param {vector} point
* @param {vector} [output]
* @return {vector} A new vector rotated about the point
*/
rotateAbout (vector: Vector, angle: number, point: Vector, output?: Vector): Vector;
/**
* Subtracts the two vectors.
* @method sub
* @param {vector} vectorA
* @param {vector} vectorB
* @param {vector} [output]
* @return {vector} A new vector of vectorA and vectorB subtracted
*/
sub (vectorA: Vector, vectorB: Vector, optional?: Vector): Vector;
}
/**
* The `Matter.Vertices` module contains methods for creating and manipulating sets of vertices.
* A set of vertices is an array of `Matter.Vector` with additional indexing properties inserted by `Vertices.create`.
* A `Matter.Body` maintains a set of vertices to represent the shape of the object (its convex hull).
*
* See the included usage [examples](https://github.com/liabru/matter-js/tree/master/examples).
*
* @class Vertices
*/
class Vertices {
/**
* Returns the average (mean) of the set of vertices.
* @method mean
* @param {vertices} vertices
* @return {vector} The average point
*/
static mean (vertices: Array<Vector>): Array<Vector>;
/**
* Sorts the input vertices into clockwise order in place.
* @method clockwiseSort
* @param {vertices} vertices
* @return {vertices} vertices
*/
static clockwiseSort (vertices: Array<Vector>): Array<Vector>;
/**
* Returns true if the vertices form a convex shape (vertices must be in clockwise order).
* @method isConvex
* @param {vertices} vertices
* @return {bool} `true` if the `vertices` are convex, `false` if not (or `null` if not computable).
*/
static isConvex (vertices: Array<Vector>): boolean;
/**
* Returns the convex hull of the input vertices as a new array of points.
* @method hull
* @param {vertices} vertices
* @return [vertex] vertices
*/
static hull (vertices: Array<Vector>): Array<Vector>;
/**
* Returns the area of the set of vertices.
* @method area
* @param {vertices} vertices
* @param {bool} signed
* @return {number} The area
*/
static area (vertices: Array<Vector>, signed: boolean): number;
/**
* Returns the centre (centroid) of the set of vertices.
* @method centre
* @param {vertices} vertices
* @return {vector} The centre point
*/
static centre (vertices: Array<Vector>): Vector;
/**
* Chamfers a set of vertices by giving them rounded corners, returns a new set of vertices.
* The radius parameter is a single number or an array to specify the radius for each vertex.
* @method chamfer
* @param {vertices} vertices
* @param {number[]} radius
* @param {number} quality
* @param {number} qualityMin
* @param {number} qualityMax
*/
static chamfer (vertices: Array<Vector>, radius: number | Array<number>, quality: number, qualityMin: number, qualityMax: number): void;
/**
* Returns `true` if the `point` is inside the set of `vertices`.
* @method contains
* @param {vertices} vertices
* @param {vector} point
* @return {boolean} True if the vertices contains point, otherwise false
*/
static contains (vertices: Array<Vector>, point: Vector): boolean;
/**
* Creates a new set of `Matter.Body` compatible vertices.
* The `points` argument accepts an array of `Matter.Vector` points orientated around the origin `(0, 0)`, for example:
*
* [{ x: 0, y: 0 }, { x: 25, y: 50 }, { x: 50, y: 0 }]
*
* The `Vertices.create` method returns a new array of vertices, which are similar to Matter.Vector objects,
* but with some additional references required for efficient collision detection routines.
*
* Note that the `body` argument is not optional, a `Matter.Body` reference must be provided.
*
* @method create
* @param {vector[]} points
* @param {body} body
*/
static create (points: Array<Vector>, body: BodyType): Array<Vector>;
/**
* Parses a string containing ordered x y pairs separated by spaces (and optionally commas),
* into a `Matter.Vertices` object for the given `Matter.Body`.
* For parsing SVG paths, see `Svg.pathToVertices`.
* @method fromPath
* @param {string} path
* @param {body} body
* @return {vertices} vertices
*/
static fromPath (path: string, body: BodyType): Array<Vector>;
/**
* Returns the moment of inertia (second moment of area) of the set of vertices given the total mass.
* @method inertia
* @param {vertices} vertices
* @param {number} mass
* @return {number} The polygon's moment of inertia
*/
static inertia (vertices: Array<Vector>, mass: number): number;
/**
* Rotates the set of vertices in-place.
* @method rotate
* @param {vertices} vertices
* @param {number} angle
* @param {vector} point
*/
static rotate (vertices: Array<Vector>, angle: number, point: Vector): void;
/**
* Scales the vertices from a point (default is centre) in-place.
* @method scale
* @param {vertices} vertices
* @param {number} scaleX
* @param {number} scaleY
* @param {vector} point
*/
static scale (vertices: Array<Vector>, scaleX: number, scaleY: number, point: Vector): void;
/**
* Translates the set of vertices in-place.
* @method translate
* @param {vertices} vertices
* @param {vector} vector
* @param {number} scalar
*/
static translate (vertices: Array<Vector>, vector: Vector, scalar: number): void;
}
class VerticesFactory {
/**
* Returns the average (mean) of the set of vertices.
* @method mean
* @param {vertices} vertices
* @return {vector} The average point
*/
mean (vertices: Array<Vector>): Array<Vector>;
/**
* Sorts the input vertices into clockwise order in place.
* @method clockwiseSort
* @param {vertices} vertices
* @return {vertices} vertices
*/
clockwiseSort (vertices: Array<Vector>): Array<Vector>;
/**
* Returns true if the vertices form a convex shape (vertices must be in clockwise order).
* @method isConvex
* @param {vertices} vertices
* @return {bool} `true` if the `vertices` are convex, `false` if not (or `null` if not computable).
*/
isConvex (vertices: Array<Vector>): boolean;
/**
* Returns the convex hull of the input vertices as a new array of points.
* @method hull
* @param {vertices} vertices
* @return [vertex] vertices
*/
hull (vertices: Array<Vector>): Array<Vector>;
/**
* Returns the area of the set of vertices.
* @method area
* @param {vertices} vertices
* @param {bool} signed
* @return {number} The area
*/
area (vertices: Array<Vector>, signed: boolean): number;
/**
* Returns the centre (centroid) of the set of vertices.
* @method centre
* @param {vertices} vertices
* @return {vector} The centre point
*/
centre (vertices: Array<Vector>): Vector;
/**
* Chamfers a set of vertices by giving them rounded corners, returns a new set of vertices.
* The radius parameter is a single number or an array to specify the radius for each vertex.
* @method chamfer
* @param {vertices} vertices
* @param {number[]} radius
* @param {number} quality
* @param {number} qualityMin
* @param {number} qualityMax
*/
chamfer (vertices: Array<Vector>, radius: number | Array<number>, quality: number, qualityMin: number, qualityMax: number): void;
/**
* Returns `true` if the `point` is inside the set of `vertices`.
* @method contains
* @param {vertices} vertices
* @param {vector} point
* @return {boolean} True if the vertices contains point, otherwise false
*/
contains (vertices: Array<Vector>, point: Vector): boolean;
/**
* Creates a new set of `Matter.Body` compatible vertices.
* The `points` argument accepts an array of `Matter.Vector` points orientated around the origin `(0, 0)`, for example:
*
* [{ x: 0, y: 0 }, { x: 25, y: 50 }, { x: 50, y: 0 }]
*
* The `Vertices.create` method returns a new array of vertices, which are similar to Matter.Vector objects,
* but with some additional references required for efficient collision detection routines.
*
* Note that the `body` argument is not optional, a `Matter.Body` reference must be provided.
*
* @method create
* @param {vector[]} points
* @param {body} body
*/
create (points: Array<Vector>, body: BodyType): Array<Vector>;
/**
* Parses a string containing ordered x y pairs separated by spaces (and optionally commas),
* into a `Matter.Vertices` object for the given `Matter.Body`.
* For parsing SVG paths, see `Svg.pathToVertices`.
* @method fromPath
* @param {string} path
* @param {body} body
* @return {vertices} vertices
*/
fromPath (path: string, body: BodyType): Array<Vector>;
/**
* Returns the moment of inertia (second moment of area) of the set of vertices given the total mass.
* @method inertia
* @param {vertices} vertices
* @param {number} mass
* @return {number} The polygon's moment of inertia
*/
inertia (vertices: Array<Vector>, mass: number): number;
/**
* Rotates the set of vertices in-place.
* @method rotate
* @param {vertices} vertices
* @param {number} angle
* @param {vector} point
*/
rotate (vertices: Array<Vector>, angle: number, point: Vector): void;
/**
* Scales the vertices from a point (default is centre) in-place.
* @method scale
* @param {vertices} vertices
* @param {number} scaleX
* @param {number} scaleY
* @param {vector} point
*/
scale (vertices: Array<Vector>, scaleX: number, scaleY: number, point: Vector): void;
/**
* Translates the set of vertices in-place.
* @method translate
* @param {vertices} vertices
* @param {vector} vector
* @param {number} scalar
*/
translate (vertices: Array<Vector>, vector: Vector, scalar: number): void;
}
/**
* The `Matter.World` module contains methods for creating and manipulating the world composite.
* A `Matter.World` is a `Matter.Composite` body, which is a collection of `Matter.Body`, `Matter.Constraint` and other `Matter.Composite`.
* A `Matter.World` has a few additional properties including `gravity` and `bounds`.
* It is important to use the functions in the `Matter.Composite` module to modify the world composite, rather than directly modifying its properties.
* There are also a few methods here that alias those in `Matter.Composite` for easier readability.
*
* See the included usage [examples](https://github.com/liabru/matter-js/tree/master/examples).
*
* @class World
* @extends Composite
*/
class World {
/**
* Add objects or arrays of objects of types: Body, Constraint, Composite
* @param world
* @param body
* @returns world
*/
static add (world: World, body: BodyType | Array<BodyType> | CompositeType | Array<CompositeType> | ConstraintType | Array<ConstraintType> | MouseConstraint): World;
/**
* An alias for Composite.addBody since World is also a Composite
* @method addBody
* @param {world} world
* @param {body} body
* @return {world} The original world with the body added
*/
static addBody (world: World, body: BodyType): World;
/**
* An alias for Composite.add since World is also a Composite
* @method addComposite
* @param {world} world
* @param {composite} composite
* @return {world} The original world with the objects from composite added
*/
static addComposite (world: World, composite: CompositeType): World;
/**
* An alias for Composite.addConstraint since World is also a Composite
* @method addConstraint
* @param {world} world
* @param {constraint} constraint
* @return {world} The original world with the constraint added
*/
static addConstraint (world: World, constraint: ConstraintType): World;
/**
* An alias for Composite.clear since World is also a Composite
* @method clear
* @param {world} world
* @param {boolean} keepStatic
*/
static clear (world: World, keepStatic: boolean): void;
/**
* Creates a new world composite. The options parameter is an object that specifies any properties you wish to override the defaults.
* See the properties section below for detailed information on what you can pass via the `options` object.
* @method create
* @constructor
* @param {} options
* @return {world} A new world
*/
static create (options: IWorldDefinition): World;
gravity: Gravity;
bounds: Bounds;
}
class Events {
/**
* Fired when a body starts sleeping (where `this` is the body).
*
* @event sleepStart
* @this {body} The body that has started sleeping
* @param {} event An event object
* @param {} event.source The source object of the event
* @param {} event.name The name of the event
*/
static on (obj: BodyType, name: "sleepStart", callback: (e: IEvent<BodyType>) => void): void;
/**
* Fired when a body ends sleeping (where `this` is the body).
*
* @event sleepEnd
* @this {body} The body that has ended sleeping
* @param {} event An event object
* @param {} event.source The source object of the event
* @param {} event.name The name of the event
*/
static on (obj: BodyType, name: "sleepEnd", callback: (e: IEvent<BodyType>) => void): void;
/**
* Fired when a call to `Composite.add` is made, before objects have been added.
*
* @event beforeAdd
* @param {} event An event object
* @param {} event.object The object(s) to be added (may be a single body, constraint, composite or a mixed array of these)
* @param {} event.source The source object of the event
* @param {} event.name The name of the event
*/
static on (obj: Engine, name: "beforeAdd", callback: (e: IEventComposite<CompositeType>) => void): void;
/**
* Fired when a call to `Composite.add` is made, after objects have been added.
*
* @event afterAdd
* @param {} event An event object
* @param {} event.object The object(s) that have been added (may be a single body, constraint, composite or a mixed array of these)
* @param {} event.source The source object of the event
* @param {} event.name The name of the event
*/
static on (obj: Engine, name: "afterAdd", callback: (e: IEventComposite<CompositeType>) => void): void;
/**
* Fired when a call to `Composite.remove` is made, before objects have been removed.
*
* @event beforeRemove
* @param {} event An event object
* @param {} event.object The object(s) to be removed (may be a single body, constraint, composite or a mixed array of these)
* @param {} event.source The source object of the event
* @param {} event.name The name of the event
*/
static on (obj: Engine, name: "beforeRemove", callback: (e: IEventComposite<CompositeType>) => void): void;
/**
* Fired when a call to `Composite.remove` is made, after objects have been removed.
*
* @event afterRemove
* @param {} event An event object
* @param {} event.object The object(s) that have been removed (may be a single body, constraint, composite or a mixed array of these)
* @param {} event.source The source object of the event
* @param {} event.name The name of the event
*/
static on (obj: Engine, name: "afterRemove", callback: (e: IEventComposite<CompositeType>) => void): void;
/**
* Fired after engine update and all collision events
*
* @event afterUpdate
* @param {} event An event object
* @param {number} event.timestamp The engine.timing.timestamp of the event
* @param {} event.source The source object of the event
* @param {} event.name The name of the event
*/
static on (obj: Engine, name: "afterUpdate", callback: (e: IEventTimestamped<Engine>) => void): void;
/**
* Fired just before an update
*
* @event beforeUpdate
* @param {} event An event object
* @param {number} event.timestamp The engine.timing.timestamp of the event
* @param {} event.source The source object of the event
* @param {} event.name The name of the event
*/
static on (obj: Engine, name: "beforeUpdate", callback: (e: IEventTimestamped<Engine>) => void): void;
/**
* Fired after engine update, provides a list of all pairs that are colliding in the current tick (if any)
*
* @event collisionActive
* @param {} event An event object
* @param {} event.pairs List of affected pairs
* @param {number} event.timestamp The engine.timing.timestamp of the event
* @param {} event.source The source object of the event
* @param {} event.name The name of the event
*/
static on (obj: Engine, name: "collisionActive", callback: (e: IEventCollision<Engine>) => void): void;
/**
* Fired after engine update, provides a list of all pairs that have ended collision in the current tick (if any)
*
* @event collisionEnd
* @param {} event An event object
* @param {} event.pairs List of affected pairs
* @param {number} event.timestamp The engine.timing.timestamp of the event
* @param {} event.source The source object of the event
* @param {} event.name The name of the event
*/
static on (obj: Engine, name: "collisionEnd", callback: (e: IEventCollision<Engine>) => void): void;
/**
* Fired after engine update, provides a list of all pairs that have started to collide in the current tick (if any)
*
* @event collisionStart
* @param {} event An event object
* @param {} event.pairs List of affected pairs
* @param {number} event.timestamp The engine.timing.timestamp of the event
* @param {} event.source The source object of the event
* @param {} event.name The name of the event
*/
static on (obj: Engine, name: "collisionStart", callback: (e: IEventCollision<Engine>) => void): void;
/**
* Fired at the start of a tick, before any updates to the engine or timing
*
* @event beforeTick
* @param {} event An event object
* @param {number} event.timestamp The engine.timing.timestamp of the event
* @param {} event.source The source object of the event
* @param {} event.name The name of the event
*/
static on (obj: Engine, name: "beforeTick", callback: (e: IEventTimestamped<Runner>) => void): void;
/**
* Fired after engine timing updated, but just before update
*
* @event tick
* @param {} event An event object
* @param {number} event.timestamp The engine.timing.timestamp of the event
* @param {} event.source The source object of the event
* @param {} event.name The name of the event
*/
static on (obj: Engine, name: "tick", callback: (e: IEventTimestamped<Runner>) => void): void;
/**
* Fired at the end of a tick, after engine update and after rendering
*
* @event afterTick
* @param {} event An event object
* @param {number} event.timestamp The engine.timing.timestamp of the event
* @param {} event.source The source object of the event
* @param {} event.name The name of the event
*/
static on (obj: Engine, name: "afterTick", callback: (e: IEventTimestamped<Runner>) => void): void;
/**
* Fired before rendering
*
* @event beforeRender
* @param {} event An event object
* @param {number} event.timestamp The engine.timing.timestamp of the event
* @param {} event.source The source object of the event
* @param {} event.name The name of the event
*/
static on (obj: Engine, name: "beforeRender", callback: (e: IEventTimestamped<Runner>) => void): void;
/**
* Fired after rendering
*
* @event afterRender
* @param {} event An event object
* @param {number} event.timestamp The engine.timing.timestamp of the event
* @param {} event.source The source object of the event
* @param {} event.name The name of the event
*/
static on (obj: Engine, name: "afterRender", callback: (e: IEventTimestamped<Runner>) => void): void;
static on (obj: any, name: string, callback: (e: any) => void): void;
/**
* Removes the given event callback. If no callback, clears all callbacks in eventNames. If no eventNames, clears all events.
*
* @param obj
* @param eventName
* @param callback
*/
static off(obj: any, eventName: string, callback: (e: any) => void): void;
/**
* Fires all the callbacks subscribed to the given object's eventName, in the order they subscribed, if any.
*
* @param object
* @param eventNames
* @param event
*/
static trigger(object: any, eventNames: string, event?: (e: any) => void): void;
}
type Dependency = {name: string, range: string} | {name: string, version: string} | string;
class Plugin {
name: string;
version: string;
install: () => void;
for?: string;
/**
* Registers a plugin object so it can be resolved later by name.
* @method register
* @param plugin {} The plugin to register.
* @return {object} The plugin.
*/
static register (plugin: Plugin): Plugin;
/**
* Resolves a dependency to a plugin object from the registry if it exists.
* The `dependency` may contain a version, but only the name matters when resolving.
* @method resolve
* @param dependency {string} The dependency.
* @return {object} The plugin if resolved, otherwise `undefined`.
*/
static resolve (dependency: string): Plugin | undefined;
/**
* Returns `true` if the object meets the minimum standard to be considered a plugin.
* This means it must define the following properties:
* - `name`
* - `version`
* - `install`
* @method isPlugin
* @param obj {} The obj to test.
* @return {boolean} `true` if the object can be considered a plugin otherwise `false`.
*/
static isPlugin (obj: {}): boolean;
/**
* Returns a pretty printed plugin name and version.
* @method toString
* @param plugin {} The plugin.
* @return {string} Pretty printed plugin name and version.
*/
static toString (plugin: string | Plugin): string;
/**
* Returns `true` if `plugin.for` is applicable to `module` by comparing against `module.name` and `module.version`.
* If `plugin.for` is not specified then it is assumed to be applicable.
* The value of `plugin.for` is a string of the format `'module-name'` or `'module-name@version'`.
* @method isFor
* @param plugin {} The plugin.
* @param module {} The module.
* @return {boolean} `true` if `plugin.for` is applicable to `module`, otherwise `false`.
*/
static isFor (plugin: Plugin, module: {name?: string, [_: string]: any}): boolean;
/**
* Installs the plugins by calling `plugin.install` on each plugin specified in `plugins` if passed, otherwise `module.uses`.
* For installing plugins on `Matter` see the convenience function `Matter.use`.
* Plugins may be specified either by their name or a reference to the plugin object.
* Plugins themselves may specify further dependencies, but each plugin is installed only once.
* Order is important, a topological sort is performed to find the best resulting order of installation.
* This sorting attempts to satisfy every dependency's requested ordering, but may not be exact in all cases.
* This function logs the resulting status of each dependency in the console, along with any warnings.
* - A green tick ✅ indicates a dependency was resolved and installed.
* - An orange diamond 🔶 indicates a dependency was resolved but a warning was thrown for it or one if its dependencies.
* - A red cross ❌ indicates a dependency could not be resolved.
* Avoid calling this function multiple times on the same module unless you intend to manually control installation order.
* @method use
* @param module {} The module install plugins on.
* @param [plugins=module.uses] {} The plugins to install on module (optional, defaults to `module.uses`).
*/
static use (module: {uses?: (Plugin | string)[]; [_: string]: any}, plugins: (Plugin | string)[]): void;
/**
* Recursively finds all of a module's dependencies and returns a flat dependency graph.
* @method dependencies
* @param module {} The module.
* @return {object} A dependency graph.
*/
static dependencies (module: Dependency, tracked?: {[_: string]: string[]}): {[_: string]: string[]} | string | undefined;
/**
* Parses a dependency string into its components.
* The `dependency` is a string of the format `'module-name'` or `'module-name@version'`.
* See documentation for `Plugin.versionParse` for a description of the format.
* This function can also handle dependencies that are already resolved (e.g. a module object).
* @method dependencyParse
* @param dependency {string} The dependency of the format `'module-name'` or `'module-name@version'`.
* @return {object} The dependency parsed into its components.
*/
static dependencyParse (dependency: Dependency) : {name: string, range: string};
/**
* Parses a version string into its components.
* Versions are strictly of the format `x.y.z` (as in [semver](http://semver.org/)).
* Versions may optionally have a prerelease tag in the format `x.y.z-alpha`.
* Ranges are a strict subset of [npm ranges](https://docs.npmjs.com/misc/semver#advanced-range-syntax).
* Only the following range types are supported:
* - Tilde ranges e.g. `~1.2.3`
* - Caret ranges e.g. `^1.2.3`
* - Exact version e.g. `1.2.3`
* - Any version `*`
* @method versionParse
* @param range {string} The version string.
* @return {object} The version range parsed into its components.
*/
static versionParse (range: string) : {
isRange: boolean,
version: string,
range: string,
operator: string
parts: number[],
prerelease: string,
number: number
};
/**
* Returns `true` if `version` satisfies the given `range`.
* See documentation for `Plugin.versionParse` for a description of the format.
* If a version or range is not specified, then any version (`*`) is assumed to satisfy.
* @method versionSatisfies
* @param version {string} The version string.
* @param range {string} The range string.
* @return {boolean} `true` if `version` satisfies `range`, otherwise `false`.
*/
static versionSatisfies (version: string, range: string): boolean;
}
// v0.18 Release Updates
class Collision {
/**
* Creates a new collision record.
* @method create
* @param {BodyType} bodyA The first body part represented by the collision record
* @param {BodyType} bodyB The second body part represented by the collision record
* @return {collision} A new collision record
*/
create (bodyA: BodyType, bodyB: BodyType): any;
/**
* Detect collision between two bodies.
* @method collides
* @param {BodyType} bodyA
* @param {BodyType} bodyB
* @param {Pairs} [pairs] Optionally reuse collision records from existing pairs.
* @return {collision|null} A collision record if detected, otherwise null
*/
collides (bodyA: BodyType, bodyB: BodyType, pairs: Pairs): any;
}
}
declare module 'matter' {
export = MatterJS;
}
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