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2349 lines
71 KiB
HTML
2349 lines
71 KiB
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<title>Phaser Source: physics/p2/World.js</title>
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<div class="span12">
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<div id="main">
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<h1 class="page-title">Source: physics/p2/World.js</h1>
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<section>
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<article>
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<pre class="sunlight-highlight-javascript linenums">/**
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* @author Richard Davey <rich@photonstorm.com>
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* @copyright 2014 Photon Storm Ltd.
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* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
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*/
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// Add an extra properties to p2 that we need
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p2.Body.prototype.parent = null;
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p2.Spring.prototype.parent = null;
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/**
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* @class Phaser.Physics.P2
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* @classdesc Physics World Constructor
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* @constructor
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* @param {Phaser.Game} game - Reference to the current game instance.
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* @param {object} [config] - Physics configuration object passed in from the game constructor.
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*/
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Phaser.Physics.P2 = function (game, config) {
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/**
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* @property {Phaser.Game} game - Local reference to game.
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*/
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this.game = game;
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if (typeof config === 'undefined' || !config.hasOwnProperty('gravity') || !config.hasOwnProperty('broadphase'))
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{
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config = { gravity: [0, 0], broadphase: new p2.SAPBroadphase() };
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}
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/**
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* @property {p2.World} game - The p2 World in which the simulation is run.
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* @protected
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*/
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this.world = new p2.World(config);
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/**
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* @property {number} frameRate - The frame rate the world will be stepped at. Defaults to 1 / 60, but you can change here. Also see useElapsedTime property.
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* @default
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*/
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this.frameRate = 1 / 60;
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/**
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* @property {boolean} useElapsedTime - If true the frameRate value will be ignored and instead p2 will step with the value of Game.Time.physicsElapsed, which is a delta time value.
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* @default
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*/
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this.useElapsedTime = false;
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/**
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* @property {array<Phaser.Physics.P2.Material>} materials - A local array of all created Materials.
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* @protected
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*/
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this.materials = [];
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/**
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* @property {Phaser.InversePointProxy} gravity - The gravity applied to all bodies each step.
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*/
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this.gravity = new Phaser.Physics.P2.InversePointProxy(this, this.world.gravity);
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/**
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* @property {p2.Body} bounds - The bounds body contains the 4 walls that border the World. Define or disable with setBounds.
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*/
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this.bounds = null;
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/**
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* @property {array} _wallShapes - The wall bounds shapes.
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* @private
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*/
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this._wallShapes = [ null, null, null, null ];
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/**
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* @property {Phaser.Signal} onBodyAdded - Dispatched when a new Body is added to the World.
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*/
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this.onBodyAdded = new Phaser.Signal();
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/**
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* @property {Phaser.Signal} onBodyRemoved - Dispatched when a Body is removed from the World.
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*/
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this.onBodyRemoved = new Phaser.Signal();
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/**
|
|
* @property {Phaser.Signal} onSpringAdded - Dispatched when a new Spring is added to the World.
|
|
*/
|
|
this.onSpringAdded = new Phaser.Signal();
|
|
|
|
/**
|
|
* @property {Phaser.Signal} onSpringRemoved - Dispatched when a Spring is removed from the World.
|
|
*/
|
|
this.onSpringRemoved = new Phaser.Signal();
|
|
|
|
/**
|
|
* @property {Phaser.Signal} onConstraintAdded - Dispatched when a new Constraint is added to the World.
|
|
*/
|
|
this.onConstraintAdded = new Phaser.Signal();
|
|
|
|
/**
|
|
* @property {Phaser.Signal} onConstraintRemoved - Dispatched when a Constraint is removed from the World.
|
|
*/
|
|
this.onConstraintRemoved = new Phaser.Signal();
|
|
|
|
/**
|
|
* @property {Phaser.Signal} onContactMaterialAdded - Dispatched when a new ContactMaterial is added to the World.
|
|
*/
|
|
this.onContactMaterialAdded = new Phaser.Signal();
|
|
|
|
/**
|
|
* @property {Phaser.Signal} onContactMaterialRemoved - Dispatched when a ContactMaterial is removed from the World.
|
|
*/
|
|
this.onContactMaterialRemoved = new Phaser.Signal();
|
|
|
|
/**
|
|
* @property {Phaser.Signal} onPostBroadphase - Dispatched after the Broadphase has collected collision pairs in the world.
|
|
*/
|
|
// this.onPostBroadphase = new Phaser.Signal();
|
|
this.postBroadphaseCallback = null;
|
|
this.callbackContext = null;
|
|
|
|
/**
|
|
* @property {Phaser.Signal} onImpact - Dispatched when a first contact is created between two bodies. This event is fired after the step has been done.
|
|
*/
|
|
// this.onImpact = new Phaser.Signal();
|
|
this.impactCallback = null;
|
|
|
|
/**
|
|
* @property {Phaser.Signal} onBeginContact - Dispatched when a first contact is created between two bodies. This event is fired before the step has been done.
|
|
*/
|
|
this.onBeginContact = new Phaser.Signal();
|
|
|
|
/**
|
|
* @property {Phaser.Signal} onEndContact - Dispatched when final contact occurs between two bodies. This event is fired before the step has been done.
|
|
*/
|
|
this.onEndContact = new Phaser.Signal();
|
|
|
|
// Pixel to meter function overrides
|
|
if (config.hasOwnProperty('mpx') && config.hasOwnProperty('pxm') && config.hasOwnProperty('mpxi') && config.hasOwnProperty('pxmi'))
|
|
{
|
|
this.mpx = config.mpx;
|
|
this.mpxi = config.mpxi;
|
|
this.pxm = config.pxm;
|
|
this.pxmi = config.pxmi;
|
|
}
|
|
|
|
// Hook into the World events
|
|
this.world.on("beginContact", this.beginContactHandler, this);
|
|
this.world.on("endContact", this.endContactHandler, this);
|
|
|
|
/**
|
|
* @property {array} _toRemove - Internal var used to hold references to bodies to remove from the world on the next step.
|
|
*/
|
|
this._toRemove = [];
|
|
|
|
/**
|
|
* @property {array} collisionGroups - Internal var.
|
|
*/
|
|
this.collisionGroups = [];
|
|
|
|
/**
|
|
* @property {number} _collisionGroupID - Internal var.
|
|
* @private
|
|
*/
|
|
this._collisionGroupID = 2;
|
|
|
|
this.nothingCollisionGroup = new Phaser.Physics.P2.CollisionGroup(1);
|
|
this.boundsCollisionGroup = new Phaser.Physics.P2.CollisionGroup(2);
|
|
this.everythingCollisionGroup = new Phaser.Physics.P2.CollisionGroup(2147483648);
|
|
|
|
this.boundsCollidesWith = [];
|
|
|
|
// By default we want everything colliding with everything
|
|
this.setBoundsToWorld(true, true, true, true, false);
|
|
|
|
};
|
|
|
|
/**
|
|
* @const
|
|
* @type {number}
|
|
*/
|
|
Phaser.Physics.P2.LIME_CORONA_JSON = 0;
|
|
|
|
Phaser.Physics.P2.prototype = {
|
|
|
|
/**
|
|
* This will add a P2 Physics body into the removal list for the next step.
|
|
*
|
|
* @method Phaser.Physics.P2#removeBodyNextStep
|
|
* @param {Phaser.Physics.P2.Body} body - The body to remove at the start of the next step.
|
|
*/
|
|
removeBodyNextStep: function (body) {
|
|
|
|
this._toRemove.push(body);
|
|
|
|
},
|
|
|
|
/**
|
|
* Called at the start of the core update loop. Purges flagged bodies from the world.
|
|
*
|
|
* @method Phaser.Physics.P2#preUpdate
|
|
*/
|
|
preUpdate: function () {
|
|
|
|
var i = this._toRemove.length;
|
|
|
|
while (i--)
|
|
{
|
|
this.removeBody(this._toRemove[i]);
|
|
}
|
|
|
|
this._toRemove.length = 0;
|
|
|
|
},
|
|
|
|
/**
|
|
* This will create a P2 Physics body on the given game object or array of game objects.
|
|
* A game object can only have 1 physics body active at any one time, and it can't be changed until the object is destroyed.
|
|
*
|
|
* @method Phaser.Physics.P2#enable
|
|
* @param {object|array|Phaser.Group} object - The game object to create the physics body on. Can also be an array or Group of objects, a body will be created on every child that has a `body` property.
|
|
* @param {boolean} [debug=false] - Create a debug object to go with this body?
|
|
* @param {boolean} [children=true] - Should a body be created on all children of this object? If true it will recurse down the display list as far as it can go.
|
|
*/
|
|
enable: function (object, debug, children) {
|
|
|
|
if (typeof debug === 'undefined') { debug = false; }
|
|
if (typeof children === 'undefined') { children = true; }
|
|
|
|
var i = 1;
|
|
|
|
if (Array.isArray(object))
|
|
{
|
|
i = object.length;
|
|
|
|
while (i--)
|
|
{
|
|
if (object[i] instanceof Phaser.Group)
|
|
{
|
|
// If it's a Group then we do it on the children regardless
|
|
this.enable(object[i].children, debug, children);
|
|
}
|
|
else
|
|
{
|
|
this.enableBody(object[i], debug);
|
|
|
|
if (children && object[i].hasOwnProperty('children') && object[i].children.length > 0)
|
|
{
|
|
this.enable(object[i], debug, true);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (object instanceof Phaser.Group)
|
|
{
|
|
// If it's a Group then we do it on the children regardless
|
|
this.enable(object.children, debug, children);
|
|
}
|
|
else
|
|
{
|
|
this.enableBody(object, debug);
|
|
|
|
if (children && object.hasOwnProperty('children') && object.children.length > 0)
|
|
{
|
|
this.enable(object.children, debug, true);
|
|
}
|
|
}
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Creates a P2 Physics body on the given game object.
|
|
* A game object can only have 1 physics body active at any one time, and it can't be changed until the body is nulled.
|
|
*
|
|
* @method Phaser.Physics.P2#enableBody
|
|
* @param {object} object - The game object to create the physics body on. A body will only be created if this object has a null `body` property.
|
|
* @param {boolean} debug - Create a debug object to go with this body?
|
|
*/
|
|
enableBody: function (object, debug) {
|
|
|
|
if (object.hasOwnProperty('body') && object.body === null)
|
|
{
|
|
object.body = new Phaser.Physics.P2.Body(this.game, object, object.x, object.y, 1);
|
|
object.body.debug = debug
|
|
object.anchor.set(0.5);
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Impact event handling is disabled by default. Enable it before any impact events will be dispatched.
|
|
* In a busy world hundreds of impact events can be generated every step, so only enable this if you cannot do what you need via beginContact or collision masks.
|
|
*
|
|
* @method Phaser.Physics.P2#setImpactEvents
|
|
* @param {boolean} state - Set to true to enable impact events, or false to disable.
|
|
*/
|
|
setImpactEvents: function (state) {
|
|
|
|
if (state)
|
|
{
|
|
this.world.on("impact", this.impactHandler, this);
|
|
}
|
|
else
|
|
{
|
|
this.world.off("impact", this.impactHandler, this);
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Sets a callback to be fired after the Broadphase has collected collision pairs in the world.
|
|
* Just because a pair exists it doesn't mean they *will* collide, just that they potentially could do.
|
|
* If your calback returns `false` the pair will be removed from the narrowphase. This will stop them testing for collision this step.
|
|
* Returning `true` from the callback will ensure they are checked in the narrowphase.
|
|
*
|
|
* @method Phaser.Physics.P2#setPostBroadphaseCallback
|
|
* @param {function} callback - The callback that will receive the postBroadphase event data. It must return a boolean. Set to null to disable an existing callback.
|
|
* @param {object} context - The context under which the callback will be fired.
|
|
*/
|
|
setPostBroadphaseCallback: function (callback, context) {
|
|
|
|
this.postBroadphaseCallback = callback;
|
|
this.callbackContext = context;
|
|
|
|
if (callback !== null)
|
|
{
|
|
this.world.on("postBroadphase", this.postBroadphaseHandler, this);
|
|
}
|
|
else
|
|
{
|
|
this.world.off("postBroadphase", this.postBroadphaseHandler, this);
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Internal handler for the postBroadphase event.
|
|
*
|
|
* @method Phaser.Physics.P2#postBroadphaseHandler
|
|
* @private
|
|
* @param {object} event - The event data.
|
|
*/
|
|
postBroadphaseHandler: function (event) {
|
|
|
|
if (this.postBroadphaseCallback)
|
|
{
|
|
// Body.id 1 is always the World bounds object
|
|
var i = event.pairs.length;
|
|
|
|
while (i -= 2)
|
|
{
|
|
if (event.pairs[i].id !== 1 && event.pairs[i+1].id !== 1 && !this.postBroadphaseCallback.call(this.callbackContext, event.pairs[i].parent, event.pairs[i+1].parent))
|
|
{
|
|
event.pairs.splice(i, 2);
|
|
}
|
|
}
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Handles a p2 impact event.
|
|
*
|
|
* @method Phaser.Physics.P2#impactHandler
|
|
* @private
|
|
* @param {object} event - The event data.
|
|
*/
|
|
impactHandler: function (event) {
|
|
|
|
if (event.bodyA.parent && event.bodyB.parent)
|
|
{
|
|
// Body vs. Body callbacks
|
|
var a = event.bodyA.parent;
|
|
var b = event.bodyB.parent;
|
|
|
|
if (a._bodyCallbacks[event.bodyB.id])
|
|
{
|
|
a._bodyCallbacks[event.bodyB.id].call(a._bodyCallbackContext[event.bodyB.id], a, b, event.shapeA, event.shapeB);
|
|
}
|
|
|
|
if (b._bodyCallbacks[event.bodyA.id])
|
|
{
|
|
b._bodyCallbacks[event.bodyA.id].call(b._bodyCallbackContext[event.bodyA.id], b, a, event.shapeB, event.shapeA);
|
|
}
|
|
|
|
// Body vs. Group callbacks
|
|
if (a._groupCallbacks[event.shapeB.collisionGroup])
|
|
{
|
|
a._groupCallbacks[event.shapeB.collisionGroup].call(a._groupCallbackContext[event.shapeB.collisionGroup], a, b, event.shapeA, event.shapeB);
|
|
}
|
|
|
|
if (b._groupCallbacks[event.shapeA.collisionGroup])
|
|
{
|
|
b._groupCallbacks[event.shapeA.collisionGroup].call(b._groupCallbackContext[event.shapeA.collisionGroup], b, a, event.shapeB, event.shapeA);
|
|
}
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Handles a p2 begin contact event.
|
|
*
|
|
* @method Phaser.Physics.P2#beginContactHandler
|
|
* @param {object} event - The event data.
|
|
*/
|
|
beginContactHandler: function (event) {
|
|
|
|
if (event.bodyA.id > 1 && event.bodyB.id > 1)
|
|
{
|
|
this.onBeginContact.dispatch(event.bodyA, event.bodyB, event.shapeA, event.shapeB, event.contactEquations);
|
|
|
|
if (event.bodyA.parent)
|
|
{
|
|
event.bodyA.parent.onBeginContact.dispatch(event.bodyB.parent, event.shapeA, event.shapeB, event.contactEquations);
|
|
}
|
|
|
|
if (event.bodyB.parent)
|
|
{
|
|
event.bodyB.parent.onBeginContact.dispatch(event.bodyA.parent, event.shapeB, event.shapeA, event.contactEquations);
|
|
}
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Handles a p2 end contact event.
|
|
*
|
|
* @method Phaser.Physics.P2#endContactHandler
|
|
* @param {object} event - The event data.
|
|
*/
|
|
endContactHandler: function (event) {
|
|
|
|
if (event.bodyA.id > 1 && event.bodyB.id > 1)
|
|
{
|
|
this.onEndContact.dispatch(event.bodyA, event.bodyB, event.shapeA, event.shapeB);
|
|
|
|
if (event.bodyA.parent)
|
|
{
|
|
event.bodyA.parent.onEndContact.dispatch(event.bodyB.parent, event.shapeA, event.shapeB);
|
|
}
|
|
|
|
if (event.bodyB.parent)
|
|
{
|
|
event.bodyB.parent.onEndContact.dispatch(event.bodyA.parent, event.shapeB, event.shapeA);
|
|
}
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Sets the bounds of the Physics world to match the Game.World dimensions.
|
|
* You can optionally set which 'walls' to create: left, right, top or bottom.
|
|
*
|
|
* @method Phaser.Physics#setBoundsToWorld
|
|
* @param {boolean} [left=true] - If true will create the left bounds wall.
|
|
* @param {boolean} [right=true] - If true will create the right bounds wall.
|
|
* @param {boolean} [top=true] - If true will create the top bounds wall.
|
|
* @param {boolean} [bottom=true] - If true will create the bottom bounds wall.
|
|
* @param {boolean} [setCollisionGroup=true] - If true the Bounds will be set to use its own Collision Group.
|
|
*/
|
|
setBoundsToWorld: function (left, right, top, bottom, setCollisionGroup) {
|
|
|
|
this.setBounds(this.game.world.bounds.x, this.game.world.bounds.y, this.game.world.bounds.width, this.game.world.bounds.height, left, right, top, bottom, setCollisionGroup);
|
|
|
|
},
|
|
|
|
|
|
/**
|
|
* Sets the given material against the 4 bounds of this World.
|
|
*
|
|
* @method Phaser.Physics#setWorldMaterial
|
|
* @param {Phaser.Physics.P2.Material} material - The material to set.
|
|
* @param {boolean} [left=true] - If true will set the material on the left bounds wall.
|
|
* @param {boolean} [right=true] - If true will set the material on the right bounds wall.
|
|
* @param {boolean} [top=true] - If true will set the material on the top bounds wall.
|
|
* @param {boolean} [bottom=true] - If true will set the material on the bottom bounds wall.
|
|
*/
|
|
setWorldMaterial: function (material, left, right, top, bottom) {
|
|
|
|
if (typeof left === 'undefined') { left = true; }
|
|
if (typeof right === 'undefined') { right = true; }
|
|
if (typeof top === 'undefined') { top = true; }
|
|
if (typeof bottom === 'undefined') { bottom = true; }
|
|
|
|
if (left && this._wallShapes[0])
|
|
{
|
|
this._wallShapes[0].material = material;
|
|
}
|
|
|
|
if (right && this._wallShapes[1])
|
|
{
|
|
this._wallShapes[1].material = material;
|
|
}
|
|
|
|
if (top && this._wallShapes[2])
|
|
{
|
|
this._wallShapes[2].material = material;
|
|
}
|
|
|
|
if (bottom && this._wallShapes[3])
|
|
{
|
|
this._wallShapes[3].material = material;
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* By default the World will be set to collide everything with everything. The bounds of the world is a Body with 4 shapes, one for each face.
|
|
* If you start to use your own collision groups then your objects will no longer collide with the bounds.
|
|
* To fix this you need to adjust the bounds to use its own collision group first BEFORE changing your Sprites collision group.
|
|
*
|
|
* @method Phaser.Physics.P2#updateBoundsCollisionGroup
|
|
* @param {boolean} [setCollisionGroup=true] - If true the Bounds will be set to use its own Collision Group.
|
|
*/
|
|
updateBoundsCollisionGroup: function (setCollisionGroup) {
|
|
|
|
if (typeof setCollisionGroup === 'undefined') { setCollisionGroup = true; }
|
|
|
|
for (var i = 0; i < 4; i++)
|
|
{
|
|
if (this._wallShapes[i])
|
|
{
|
|
if (setCollisionGroup)
|
|
{
|
|
this._wallShapes[i].collisionGroup = this.boundsCollisionGroup.mask;
|
|
}
|
|
else
|
|
{
|
|
this._wallShapes[i].collisionGroup = this.everythingCollisionGroup.mask;
|
|
}
|
|
}
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Sets the bounds of the Physics world to match the given world pixel dimensions.
|
|
* You can optionally set which 'walls' to create: left, right, top or bottom.
|
|
*
|
|
* @method Phaser.Physics.P2#setBounds
|
|
* @param {number} x - The x coordinate of the top-left corner of the bounds.
|
|
* @param {number} y - The y coordinate of the top-left corner of the bounds.
|
|
* @param {number} width - The width of the bounds.
|
|
* @param {number} height - The height of the bounds.
|
|
* @param {boolean} [left=true] - If true will create the left bounds wall.
|
|
* @param {boolean} [right=true] - If true will create the right bounds wall.
|
|
* @param {boolean} [top=true] - If true will create the top bounds wall.
|
|
* @param {boolean} [bottom=true] - If true will create the bottom bounds wall.
|
|
* @param {boolean} [setCollisionGroup=true] - If true the Bounds will be set to use its own Collision Group.
|
|
*/
|
|
setBounds: function (x, y, width, height, left, right, top, bottom, setCollisionGroup) {
|
|
|
|
if (typeof left === 'undefined') { left = true; }
|
|
if (typeof right === 'undefined') { right = true; }
|
|
if (typeof top === 'undefined') { top = true; }
|
|
if (typeof bottom === 'undefined') { bottom = true; }
|
|
if (typeof setCollisionGroup === 'undefined') { setCollisionGroup = true; }
|
|
|
|
var hw = (width / 2);
|
|
var hh = (height / 2);
|
|
var cx = hw + x;
|
|
var cy = hh + y;
|
|
|
|
if (this.bounds !== null)
|
|
{
|
|
if (this.bounds.world)
|
|
{
|
|
this.world.removeBody(this.bounds);
|
|
}
|
|
|
|
var i = this.bounds.shapes.length;
|
|
|
|
while (i--)
|
|
{
|
|
var shape = this.bounds.shapes[i];
|
|
this.bounds.removeShape(shape);
|
|
}
|
|
|
|
this.bounds.position[0] = this.pxmi(cx);
|
|
this.bounds.position[1] = this.pxmi(cy);
|
|
}
|
|
else
|
|
{
|
|
this.bounds = new p2.Body({ mass: 0, position:[this.pxmi(cx), this.pxmi(cy)] });
|
|
}
|
|
|
|
if (left)
|
|
{
|
|
this._wallShapes[0] = new p2.Plane();
|
|
|
|
if (setCollisionGroup)
|
|
{
|
|
this._wallShapes[0].collisionGroup = this.boundsCollisionGroup.mask;
|
|
}
|
|
|
|
this.bounds.addShape(this._wallShapes[0], [this.pxmi(-hw), 0], 1.5707963267948966 );
|
|
}
|
|
|
|
if (right)
|
|
{
|
|
this._wallShapes[1] = new p2.Plane();
|
|
|
|
if (setCollisionGroup)
|
|
{
|
|
this._wallShapes[1].collisionGroup = this.boundsCollisionGroup.mask;
|
|
}
|
|
|
|
this.bounds.addShape(this._wallShapes[1], [this.pxmi(hw), 0], -1.5707963267948966 );
|
|
}
|
|
|
|
if (top)
|
|
{
|
|
this._wallShapes[2] = new p2.Plane();
|
|
|
|
if (setCollisionGroup)
|
|
{
|
|
this._wallShapes[2].collisionGroup = this.boundsCollisionGroup.mask;
|
|
}
|
|
|
|
this.bounds.addShape(this._wallShapes[2], [0, this.pxmi(-hh)], -3.141592653589793 );
|
|
}
|
|
|
|
if (bottom)
|
|
{
|
|
this._wallShapes[3] = new p2.Plane();
|
|
|
|
if (setCollisionGroup)
|
|
{
|
|
this._wallShapes[3].collisionGroup = this.boundsCollisionGroup.mask;
|
|
}
|
|
|
|
this.bounds.addShape(this._wallShapes[3], [0, this.pxmi(hh)] );
|
|
}
|
|
|
|
this.world.addBody(this.bounds);
|
|
|
|
},
|
|
|
|
/**
|
|
* @method Phaser.Physics.P2#update
|
|
*/
|
|
update: function () {
|
|
|
|
if (this.useElapsedTime)
|
|
{
|
|
this.world.step(this.game.time.physicsElapsed);
|
|
}
|
|
else
|
|
{
|
|
this.world.step(this.frameRate);
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Clears all bodies from the simulation.
|
|
*
|
|
* @method Phaser.Physics.P2#clear
|
|
*/
|
|
clear: function () {
|
|
|
|
this.world.clear();
|
|
|
|
},
|
|
|
|
/**
|
|
* Clears all bodies from the simulation and unlinks World from Game. Should only be called on game shutdown. Call `clear` on a State change.
|
|
*
|
|
* @method Phaser.Physics.P2#destroy
|
|
*/
|
|
destroy: function () {
|
|
|
|
this.world.clear();
|
|
|
|
this.game = null;
|
|
|
|
},
|
|
|
|
/**
|
|
* Add a body to the world.
|
|
*
|
|
* @method Phaser.Physics.P2#addBody
|
|
* @param {Phaser.Physics.P2.Body} body - The Body to add to the World.
|
|
* @return {boolean} True if the Body was added successfully, otherwise false.
|
|
*/
|
|
addBody: function (body) {
|
|
|
|
if (body.data.world)
|
|
{
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
this.world.addBody(body.data);
|
|
|
|
this.onBodyAdded.dispatch(body);
|
|
|
|
return true;
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Removes a body from the world.
|
|
*
|
|
* @method Phaser.Physics.P2#removeBody
|
|
* @param {Phaser.Physics.P2.Body} body - The Body to remove from the World.
|
|
* @return {Phaser.Physics.P2.Body} The Body that was removed.
|
|
*/
|
|
removeBody: function (body) {
|
|
|
|
this.world.removeBody(body.data);
|
|
|
|
this.onBodyRemoved.dispatch(body);
|
|
|
|
return body;
|
|
|
|
},
|
|
|
|
/**
|
|
* Adds a Spring to the world.
|
|
*
|
|
* @method Phaser.Physics.P2#addSpring
|
|
* @param {Phaser.Physics.P2.Spring} spring - The Spring to add to the World.
|
|
* @return {Phaser.Physics.P2.Spring} The Spring that was added.
|
|
*/
|
|
addSpring: function (spring) {
|
|
|
|
this.world.addSpring(spring);
|
|
|
|
this.onSpringAdded.dispatch(spring);
|
|
|
|
return spring;
|
|
|
|
},
|
|
|
|
/**
|
|
* Removes a Spring from the world.
|
|
*
|
|
* @method Phaser.Physics.P2#removeSpring
|
|
* @param {Phaser.Physics.P2.Spring} spring - The Spring to remove from the World.
|
|
* @return {Phaser.Physics.P2.Spring} The Spring that was removed.
|
|
*/
|
|
removeSpring: function (spring) {
|
|
|
|
this.world.removeSpring(spring);
|
|
|
|
this.onSpringRemoved.dispatch(spring);
|
|
|
|
return spring;
|
|
|
|
},
|
|
|
|
/**
|
|
* Creates a constraint that tries to keep the distance between two bodies constant.
|
|
*
|
|
* @method Phaser.Physics.P2#createDistanceConstraint
|
|
* @param {Phaser.Sprite|Phaser.Physics.P2.Body|p2.Body} bodyA - First connected body.
|
|
* @param {Phaser.Sprite|Phaser.Physics.P2.Body|p2.Body} bodyB - Second connected body.
|
|
* @param {number} distance - The distance to keep between the bodies.
|
|
* @param {number} [maxForce] - The maximum force that should be applied to constrain the bodies.
|
|
* @return {Phaser.Physics.P2.DistanceConstraint} The constraint
|
|
*/
|
|
createDistanceConstraint: function (bodyA, bodyB, distance, maxForce) {
|
|
|
|
bodyA = this.getBody(bodyA);
|
|
bodyB = this.getBody(bodyB);
|
|
|
|
if (!bodyA || !bodyB)
|
|
{
|
|
console.warn('Cannot create Constraint, invalid body objects given');
|
|
}
|
|
else
|
|
{
|
|
return this.addConstraint(new Phaser.Physics.P2.DistanceConstraint(this, bodyA, bodyB, distance, maxForce));
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Creates a constraint that tries to keep the distance between two bodies constant.
|
|
*
|
|
* @method Phaser.Physics.P2#createGearConstraint
|
|
* @param {Phaser.Sprite|Phaser.Physics.P2.Body|p2.Body} bodyA - First connected body.
|
|
* @param {Phaser.Sprite|Phaser.Physics.P2.Body|p2.Body} bodyB - Second connected body.
|
|
* @param {number} [angle=0] - The relative angle
|
|
* @param {number} [ratio=1] - The gear ratio.
|
|
* @return {Phaser.Physics.P2.GearConstraint} The constraint
|
|
*/
|
|
createGearConstraint: function (bodyA, bodyB, angle, ratio) {
|
|
|
|
bodyA = this.getBody(bodyA);
|
|
bodyB = this.getBody(bodyB);
|
|
|
|
if (!bodyA || !bodyB)
|
|
{
|
|
console.warn('Cannot create Constraint, invalid body objects given');
|
|
}
|
|
else
|
|
{
|
|
return this.addConstraint(new Phaser.Physics.P2.GearConstraint(this, bodyA, bodyB, angle, ratio));
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Connects two bodies at given offset points, letting them rotate relative to each other around this point.
|
|
* The pivot points are given in world (pixel) coordinates.
|
|
*
|
|
* @method Phaser.Physics.P2#createRevoluteConstraint
|
|
* @param {Phaser.Sprite|Phaser.Physics.P2.Body|p2.Body} bodyA - First connected body.
|
|
* @param {Array} pivotA - The point relative to the center of mass of bodyA which bodyA is constrained to. The value is an array with 2 elements matching x and y, i.e: [32, 32].
|
|
* @param {Phaser.Sprite|Phaser.Physics.P2.Body|p2.Body} bodyB - Second connected body.
|
|
* @param {Array} pivotB - The point relative to the center of mass of bodyB which bodyB is constrained to. The value is an array with 2 elements matching x and y, i.e: [32, 32].
|
|
* @param {number} [maxForce=0] - The maximum force that should be applied to constrain the bodies.
|
|
* @return {Phaser.Physics.P2.RevoluteConstraint} The constraint
|
|
*/
|
|
createRevoluteConstraint: function (bodyA, pivotA, bodyB, pivotB, maxForce) {
|
|
|
|
bodyA = this.getBody(bodyA);
|
|
bodyB = this.getBody(bodyB);
|
|
|
|
if (!bodyA || !bodyB)
|
|
{
|
|
console.warn('Cannot create Constraint, invalid body objects given');
|
|
}
|
|
else
|
|
{
|
|
return this.addConstraint(new Phaser.Physics.P2.RevoluteConstraint(this, bodyA, pivotA, bodyB, pivotB, maxForce));
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Locks the relative position between two bodies.
|
|
*
|
|
* @method Phaser.Physics.P2#createLockConstraint
|
|
* @param {Phaser.Sprite|Phaser.Physics.P2.Body|p2.Body} bodyA - First connected body.
|
|
* @param {Phaser.Sprite|Phaser.Physics.P2.Body|p2.Body} bodyB - Second connected body.
|
|
* @param {Array} [offset] - The offset of bodyB in bodyA's frame. The value is an array with 2 elements matching x and y, i.e: [32, 32].
|
|
* @param {number} [angle=0] - The angle of bodyB in bodyA's frame.
|
|
* @param {number} [maxForce] - The maximum force that should be applied to constrain the bodies.
|
|
* @return {Phaser.Physics.P2.LockConstraint} The constraint
|
|
*/
|
|
createLockConstraint: function (bodyA, bodyB, offset, angle, maxForce) {
|
|
|
|
bodyA = this.getBody(bodyA);
|
|
bodyB = this.getBody(bodyB);
|
|
|
|
if (!bodyA || !bodyB)
|
|
{
|
|
console.warn('Cannot create Constraint, invalid body objects given');
|
|
}
|
|
else
|
|
{
|
|
return this.addConstraint(new Phaser.Physics.P2.LockConstraint(this, bodyA, bodyB, offset, angle, maxForce));
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Constraint that only allows bodies to move along a line, relative to each other.
|
|
* See http://www.iforce2d.net/b2dtut/joints-prismatic
|
|
*
|
|
* @method Phaser.Physics.P2#createPrismaticConstraint
|
|
* @param {Phaser.Sprite|Phaser.Physics.P2.Body|p2.Body} bodyA - First connected body.
|
|
* @param {Phaser.Sprite|Phaser.Physics.P2.Body|p2.Body} bodyB - Second connected body.
|
|
* @param {boolean} [lock=false] - If set to true, bodyB will be free to rotate around its anchor point.
|
|
* @param {Array} [anchorA] - Body A's anchor point, defined in its own local frame. The value is an array with 2 elements matching x and y, i.e: [32, 32].
|
|
* @param {Array} [anchorB] - Body A's anchor point, defined in its own local frame. The value is an array with 2 elements matching x and y, i.e: [32, 32].
|
|
* @param {Array} [axis] - An axis, defined in body A frame, that body B's anchor point may slide along. The value is an array with 2 elements matching x and y, i.e: [32, 32].
|
|
* @param {number} [maxForce] - The maximum force that should be applied to constrain the bodies.
|
|
* @return {Phaser.Physics.P2.PrismaticConstraint} The constraint
|
|
*/
|
|
createPrismaticConstraint: function (bodyA, bodyB, lock, anchorA, anchorB, axis, maxForce) {
|
|
|
|
bodyA = this.getBody(bodyA);
|
|
bodyB = this.getBody(bodyB);
|
|
|
|
if (!bodyA || !bodyB)
|
|
{
|
|
console.warn('Cannot create Constraint, invalid body objects given');
|
|
}
|
|
else
|
|
{
|
|
return this.addConstraint(new Phaser.Physics.P2.PrismaticConstraint(this, bodyA, bodyB, lock, anchorA, anchorB, axis, maxForce));
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Adds a Constraint to the world.
|
|
*
|
|
* @method Phaser.Physics.P2#addConstraint
|
|
* @param {Phaser.Physics.P2.Constraint} constraint - The Constraint to add to the World.
|
|
* @return {Phaser.Physics.P2.Constraint} The Constraint that was added.
|
|
*/
|
|
addConstraint: function (constraint) {
|
|
|
|
this.world.addConstraint(constraint);
|
|
|
|
this.onConstraintAdded.dispatch(constraint);
|
|
|
|
return constraint;
|
|
|
|
},
|
|
|
|
/**
|
|
* Removes a Constraint from the world.
|
|
*
|
|
* @method Phaser.Physics.P2#removeConstraint
|
|
* @param {Phaser.Physics.P2.Constraint} constraint - The Constraint to be removed from the World.
|
|
* @return {Phaser.Physics.P2.Constraint} The Constraint that was removed.
|
|
*/
|
|
removeConstraint: function (constraint) {
|
|
|
|
this.world.removeConstraint(constraint);
|
|
|
|
this.onConstraintRemoved.dispatch(constraint);
|
|
|
|
return constraint;
|
|
|
|
},
|
|
|
|
/**
|
|
* Adds a Contact Material to the world.
|
|
*
|
|
* @method Phaser.Physics.P2#addContactMaterial
|
|
* @param {Phaser.Physics.P2.ContactMaterial} material - The Contact Material to be added to the World.
|
|
* @return {Phaser.Physics.P2.ContactMaterial} The Contact Material that was added.
|
|
*/
|
|
addContactMaterial: function (material) {
|
|
|
|
this.world.addContactMaterial(material);
|
|
|
|
this.onContactMaterialAdded.dispatch(material);
|
|
|
|
return material;
|
|
|
|
},
|
|
|
|
/**
|
|
* Removes a Contact Material from the world.
|
|
*
|
|
* @method Phaser.Physics.P2#removeContactMaterial
|
|
* @param {Phaser.Physics.P2.ContactMaterial} material - The Contact Material to be removed from the World.
|
|
* @return {Phaser.Physics.P2.ContactMaterial} The Contact Material that was removed.
|
|
*/
|
|
removeContactMaterial: function (material) {
|
|
|
|
this.world.removeContactMaterial(material);
|
|
|
|
this.onContactMaterialRemoved.dispatch(material);
|
|
|
|
return material;
|
|
|
|
},
|
|
|
|
/**
|
|
* Gets a Contact Material based on the two given Materials.
|
|
*
|
|
* @method Phaser.Physics.P2#getContactMaterial
|
|
* @param {Phaser.Physics.P2.Material} materialA - The first Material to search for.
|
|
* @param {Phaser.Physics.P2.Material} materialB - The second Material to search for.
|
|
* @return {Phaser.Physics.P2.ContactMaterial|boolean} The Contact Material or false if none was found matching the Materials given.
|
|
*/
|
|
getContactMaterial: function (materialA, materialB) {
|
|
|
|
return this.world.getContactMaterial(materialA, materialB);
|
|
|
|
},
|
|
|
|
/**
|
|
* Sets the given Material against all Shapes owned by all the Bodies in the given array.
|
|
*
|
|
* @method Phaser.Physics.P2#setMaterial
|
|
* @param {Phaser.Physics.P2.Material} material - The Material to be applied to the given Bodies.
|
|
* @param {array<Phaser.Physics.P2.Body>} bodies - An Array of Body objects that the given Material will be set on.
|
|
*/
|
|
setMaterial: function (material, bodies) {
|
|
|
|
var i = bodies.length;
|
|
|
|
while (i--)
|
|
{
|
|
bodies.setMaterial(material);
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Creates a Material. Materials are applied to Shapes owned by a Body and can be set with Body.setMaterial().
|
|
* Materials are a way to control what happens when Shapes collide. Combine unique Materials together to create Contact Materials.
|
|
* Contact Materials have properties such as friction and restitution that allow for fine-grained collision control between different Materials.
|
|
*
|
|
* @method Phaser.Physics.P2#createMaterial
|
|
* @param {string} [name] - Optional name of the Material. Each Material has a unique ID but string names are handy for debugging.
|
|
* @param {Phaser.Physics.P2.Body} [body] - Optional Body. If given it will assign the newly created Material to the Body shapes.
|
|
* @return {Phaser.Physics.P2.Material} The Material that was created. This is also stored in Phaser.Physics.P2.materials.
|
|
*/
|
|
createMaterial: function (name, body) {
|
|
|
|
name = name || '';
|
|
|
|
var material = new Phaser.Physics.P2.Material(name);
|
|
|
|
this.materials.push(material);
|
|
|
|
if (typeof body !== 'undefined')
|
|
{
|
|
body.setMaterial(material);
|
|
}
|
|
|
|
return material;
|
|
|
|
},
|
|
|
|
/**
|
|
* Creates a Contact Material from the two given Materials. You can then edit the properties of the Contact Material directly.
|
|
*
|
|
* @method Phaser.Physics.P2#createContactMaterial
|
|
* @param {Phaser.Physics.P2.Material} [materialA] - The first Material to create the ContactMaterial from. If undefined it will create a new Material object first.
|
|
* @param {Phaser.Physics.P2.Material} [materialB] - The second Material to create the ContactMaterial from. If undefined it will create a new Material object first.
|
|
* @param {object} [options] - Material options object.
|
|
* @return {Phaser.Physics.P2.ContactMaterial} The Contact Material that was created.
|
|
*/
|
|
createContactMaterial: function (materialA, materialB, options) {
|
|
|
|
if (typeof materialA === 'undefined') { materialA = this.createMaterial(); }
|
|
if (typeof materialB === 'undefined') { materialB = this.createMaterial(); }
|
|
|
|
var contact = new Phaser.Physics.P2.ContactMaterial(materialA, materialB, options);
|
|
|
|
return this.addContactMaterial(contact);
|
|
|
|
},
|
|
|
|
/**
|
|
* Populates and returns an array with references to of all current Bodies in the world.
|
|
*
|
|
* @method Phaser.Physics.P2#getBodies
|
|
* @return {array<Phaser.Physics.P2.Body>} An array containing all current Bodies in the world.
|
|
*/
|
|
getBodies: function () {
|
|
|
|
var output = [];
|
|
var i = this.world.bodies.length;
|
|
|
|
while (i--)
|
|
{
|
|
output.push(this.world.bodies[i].parent);
|
|
}
|
|
|
|
return output;
|
|
|
|
},
|
|
|
|
/**
|
|
* Checks the given object to see if it has a p2.Body and if so returns it.
|
|
*
|
|
* @method Phaser.Physics.P2#getBody
|
|
* @param {object} object - The object to check for a p2.Body on.
|
|
* @return {p2.Body} The p2.Body, or null if not found.
|
|
*/
|
|
getBody: function (object) {
|
|
|
|
if (object instanceof p2.Body)
|
|
{
|
|
// Native p2 body
|
|
return object;
|
|
}
|
|
else if (object instanceof Phaser.Physics.P2.Body)
|
|
{
|
|
// Phaser P2 Body
|
|
return object.data;
|
|
}
|
|
else if (object['body'] && object['body'].type === Phaser.Physics.P2JS)
|
|
{
|
|
// Sprite, TileSprite, etc
|
|
return object.body.data;
|
|
}
|
|
|
|
return null;
|
|
|
|
},
|
|
|
|
/**
|
|
* Populates and returns an array of all current Springs in the world.
|
|
*
|
|
* @method Phaser.Physics.P2#getSprings
|
|
* @return {array<Phaser.Physics.P2.Spring>} An array containing all current Springs in the world.
|
|
*/
|
|
getSprings: function () {
|
|
|
|
var output = [];
|
|
var i = this.world.springs.length;
|
|
|
|
while (i--)
|
|
{
|
|
output.push(this.world.springs[i].parent);
|
|
}
|
|
|
|
return output;
|
|
|
|
},
|
|
|
|
/**
|
|
* Populates and returns an array of all current Constraints in the world.
|
|
*
|
|
* @method Phaser.Physics.P2#getConstraints
|
|
* @return {array<Phaser.Physics.P2.Constraint>} An array containing all current Constraints in the world.
|
|
*/
|
|
getConstraints: function () {
|
|
|
|
var output = [];
|
|
var i = this.world.constraints.length;
|
|
|
|
while (i--)
|
|
{
|
|
output.push(this.world.constraints[i].parent);
|
|
}
|
|
|
|
return output;
|
|
|
|
},
|
|
|
|
/**
|
|
* Test if a world point overlaps bodies. You will get an array of actual P2 bodies back. You can find out which Sprite a Body belongs to
|
|
* (if any) by checking the Body.parent.sprite property. Body.parent is a Phaser.Physics.P2.Body property.
|
|
*
|
|
* @method Phaser.Physics.P2#hitTest
|
|
* @param {Phaser.Point} worldPoint - Point to use for intersection tests. The points values must be in world (pixel) coordinates.
|
|
* @param {Array<Phaser.Physics.P2.Body|Phaser.Sprite|p2.Body>} [bodies] - A list of objects to check for intersection. If not given it will check Phaser.Physics.P2.world.bodies (i.e. all world bodies)
|
|
* @param {number} [precision=5] - Used for matching against particles and lines. Adds some margin to these infinitesimal objects.
|
|
* @param {boolean} [filterStatic=false] - If true all Static objects will be removed from the results array.
|
|
* @return {Array} Array of bodies that overlap the point.
|
|
*/
|
|
hitTest: function (worldPoint, bodies, precision, filterStatic) {
|
|
|
|
if (typeof bodies === 'undefined') { bodies = this.world.bodies; }
|
|
if (typeof precision === 'undefined') { precision = 5; }
|
|
if (typeof filterStatic === 'undefined') { filterStatic = false; }
|
|
|
|
var physicsPosition = [ this.pxmi(worldPoint.x), this.pxmi(worldPoint.y) ];
|
|
|
|
var query = [];
|
|
var i = bodies.length;
|
|
|
|
while (i--)
|
|
{
|
|
if (bodies[i] instanceof Phaser.Physics.P2.Body && !(filterStatic && bodies[i].data.motionState === p2.Body.STATIC))
|
|
{
|
|
query.push(bodies[i].data);
|
|
}
|
|
else if (bodies[i] instanceof p2.Body && bodies[i].parent && !(filterStatic && bodies[i].motionState === p2.Body.STATIC))
|
|
{
|
|
query.push(bodies[i]);
|
|
}
|
|
else if (bodies[i] instanceof Phaser.Sprite && bodies[i].hasOwnProperty('body') && !(filterStatic && bodies[i].body.data.motionState === p2.Body.STATIC))
|
|
{
|
|
query.push(bodies[i].body.data);
|
|
}
|
|
}
|
|
|
|
return this.world.hitTest(physicsPosition, query, precision);
|
|
|
|
},
|
|
|
|
/**
|
|
* Converts the current world into a JSON object.
|
|
*
|
|
* @method Phaser.Physics.P2#toJSON
|
|
* @return {object} A JSON representation of the world.
|
|
*/
|
|
toJSON: function () {
|
|
|
|
return this.world.toJSON();
|
|
|
|
},
|
|
|
|
/**
|
|
* Creates a new Collision Group and optionally applies it to the given object.
|
|
* Collision Groups are handled using bitmasks, therefore you have a fixed limit you can create before you need to re-use older groups.
|
|
*
|
|
* @method Phaser.Physics.P2#createCollisionGroup
|
|
* @param {Phaser.Group|Phaser.Sprite} [object] - An optional Sprite or Group to apply the Collision Group to. If a Group is given it will be applied to all top-level children.
|
|
* @protected
|
|
*/
|
|
createCollisionGroup: function (object) {
|
|
|
|
var bitmask = Math.pow(2, this._collisionGroupID);
|
|
|
|
if (this._wallShapes[0])
|
|
{
|
|
this._wallShapes[0].collisionMask = this._wallShapes[0].collisionMask | bitmask;
|
|
}
|
|
|
|
if (this._wallShapes[1])
|
|
{
|
|
this._wallShapes[1].collisionMask = this._wallShapes[1].collisionMask | bitmask;
|
|
}
|
|
|
|
if (this._wallShapes[2])
|
|
{
|
|
this._wallShapes[2].collisionMask = this._wallShapes[2].collisionMask | bitmask;
|
|
}
|
|
|
|
if (this._wallShapes[3])
|
|
{
|
|
this._wallShapes[3].collisionMask = this._wallShapes[3].collisionMask | bitmask;
|
|
}
|
|
|
|
this._collisionGroupID++;
|
|
|
|
var group = new Phaser.Physics.P2.CollisionGroup(bitmask);
|
|
|
|
this.collisionGroups.push(group);
|
|
|
|
if (object)
|
|
{
|
|
this.setCollisionGroup(object, group);
|
|
}
|
|
|
|
return group;
|
|
|
|
},
|
|
|
|
/**
|
|
* Sets the given CollisionGroup to be the collision group for all shapes in this Body, unless a shape is specified.
|
|
* Note that this resets the collisionMask and any previously set groups. See Body.collides() for appending them.
|
|
*
|
|
* @method Phaser.Physics.P2y#setCollisionGroup
|
|
* @param {Phaser.Group|Phaser.Sprite} object - A Sprite or Group to apply the Collision Group to. If a Group is given it will be applied to all top-level children.
|
|
* @param {Phaser.Physics.CollisionGroup} group - The Collision Group that this Bodies shapes will use.
|
|
*/
|
|
setCollisionGroup: function (object, group) {
|
|
|
|
if (object instanceof Phaser.Group)
|
|
{
|
|
for (var i = 0; i < object.total; i++)
|
|
{
|
|
if (object.children[i]['body'] && object.children[i]['body'].type === Phaser.Physics.P2JS)
|
|
{
|
|
object.children[i].body.setCollisionGroup(group);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
object.body.setCollisionGroup(group);
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Creates a spring, connecting two bodies. A spring can have a resting length, a stiffness and damping.
|
|
*
|
|
* @method Phaser.Physics.P2#createSpring
|
|
* @param {Phaser.Sprite|Phaser.Physics.P2.Body|p2.Body} bodyA - First connected body.
|
|
* @param {Phaser.Sprite|Phaser.Physics.P2.Body|p2.Body} bodyB - Second connected body.
|
|
* @param {number} [restLength=1] - Rest length of the spring. A number > 0.
|
|
* @param {number} [stiffness=100] - Stiffness of the spring. A number >= 0.
|
|
* @param {number} [damping=1] - Damping of the spring. A number >= 0.
|
|
* @param {number} [restLength=1] - Rest length of the spring. A number > 0.
|
|
* @param {number} [stiffness=100] - Stiffness of the spring. A number >= 0.
|
|
* @param {number} [damping=1] - Damping of the spring. A number >= 0.
|
|
* @param {Array} [worldA] - Where to hook the spring to body A in world coordinates. This value is an array by 2 elements, x and y, i.e: [32, 32].
|
|
* @param {Array} [worldB] - Where to hook the spring to body B in world coordinates. This value is an array by 2 elements, x and y, i.e: [32, 32].
|
|
* @param {Array} [localA] - Where to hook the spring to body A in local body coordinates. This value is an array by 2 elements, x and y, i.e: [32, 32].
|
|
* @param {Array} [localB] - Where to hook the spring to body B in local body coordinates. This value is an array by 2 elements, x and y, i.e: [32, 32].
|
|
* @return {Phaser.Physics.P2.Spring} The spring
|
|
*/
|
|
createSpring: function (bodyA, bodyB, restLength, stiffness, damping, worldA, worldB, localA, localB) {
|
|
|
|
bodyA = this.getBody(bodyA);
|
|
bodyB = this.getBody(bodyB);
|
|
|
|
if (!bodyA || !bodyB)
|
|
{
|
|
console.warn('Cannot create Spring, invalid body objects given');
|
|
}
|
|
else
|
|
{
|
|
return this.addSpring(new Phaser.Physics.P2.Spring(this, bodyA, bodyB, restLength, stiffness, damping, worldA, worldB, localA, localB));
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Creates a new Body and adds it to the World.
|
|
*
|
|
* @method Phaser.Physics.P2#createBody
|
|
* @param {number} x - The x coordinate of Body.
|
|
* @param {number} y - The y coordinate of Body.
|
|
* @param {number} mass - The mass of the Body. A mass of 0 means a 'static' Body is created.
|
|
* @param {boolean} [addToWorld=false] - Automatically add this Body to the world? (usually false as it won't have any shapes on construction).
|
|
* @param {object} options - An object containing the build options:
|
|
* @param {boolean} [options.optimalDecomp=false] - Set to true if you need optimal decomposition. Warning: very slow for polygons with more than 10 vertices.
|
|
* @param {boolean} [options.skipSimpleCheck=false] - Set to true if you already know that the path is not intersecting itself.
|
|
* @param {boolean|number} [options.removeCollinearPoints=false] - Set to a number (angle threshold value) to remove collinear points, or false to keep all points.
|
|
* @param {(number[]|...number)} points - An array of 2d vectors that form the convex or concave polygon.
|
|
* Either [[0,0], [0,1],...] or a flat array of numbers that will be interpreted as [x,y, x,y, ...],
|
|
* or the arguments passed can be flat x,y values e.g. `setPolygon(options, x,y, x,y, x,y, ...)` where `x` and `y` are numbers.
|
|
* @return {Phaser.Physics.P2.Body} The body
|
|
*/
|
|
createBody: function (x, y, mass, addToWorld, options, data) {
|
|
|
|
if (typeof addToWorld === 'undefined') { addToWorld = false; }
|
|
|
|
var body = new Phaser.Physics.P2.Body(this.game, null, x, y, mass);
|
|
|
|
if (data)
|
|
{
|
|
var result = body.addPolygon(options, data);
|
|
|
|
if (!result)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (addToWorld)
|
|
{
|
|
this.world.addBody(body.data);
|
|
}
|
|
|
|
return body;
|
|
|
|
},
|
|
|
|
/**
|
|
* Creates a new Particle and adds it to the World.
|
|
*
|
|
* @method Phaser.Physics.P2#createParticle
|
|
* @param {number} x - The x coordinate of Body.
|
|
* @param {number} y - The y coordinate of Body.
|
|
* @param {number} mass - The mass of the Body. A mass of 0 means a 'static' Body is created.
|
|
* @param {boolean} [addToWorld=false] - Automatically add this Body to the world? (usually false as it won't have any shapes on construction).
|
|
* @param {object} options - An object containing the build options:
|
|
* @param {boolean} [options.optimalDecomp=false] - Set to true if you need optimal decomposition. Warning: very slow for polygons with more than 10 vertices.
|
|
* @param {boolean} [options.skipSimpleCheck=false] - Set to true if you already know that the path is not intersecting itself.
|
|
* @param {boolean|number} [options.removeCollinearPoints=false] - Set to a number (angle threshold value) to remove collinear points, or false to keep all points.
|
|
* @param {(number[]|...number)} points - An array of 2d vectors that form the convex or concave polygon.
|
|
* Either [[0,0], [0,1],...] or a flat array of numbers that will be interpreted as [x,y, x,y, ...],
|
|
* or the arguments passed can be flat x,y values e.g. `setPolygon(options, x,y, x,y, x,y, ...)` where `x` and `y` are numbers.
|
|
*/
|
|
createParticle: function (x, y, mass, addToWorld, options, data) {
|
|
|
|
if (typeof addToWorld === 'undefined') { addToWorld = false; }
|
|
|
|
var body = new Phaser.Physics.P2.Body(this.game, null, x, y, mass);
|
|
|
|
if (data)
|
|
{
|
|
var result = body.addPolygon(options, data);
|
|
|
|
if (!result)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (addToWorld)
|
|
{
|
|
this.world.addBody(body.data);
|
|
}
|
|
|
|
return body;
|
|
|
|
},
|
|
|
|
/**
|
|
* Converts all of the polylines objects inside a Tiled ObjectGroup into physics bodies that are added to the world.
|
|
* Note that the polylines must be created in such a way that they can withstand polygon decomposition.
|
|
*
|
|
* @method Phaser.Physics.P2#convertCollisionObjects
|
|
* @param {Phaser.Tilemap} map - The Tilemap to get the map data from.
|
|
* @param {number|string|Phaser.TilemapLayer} [layer] - The layer to operate on. If not given will default to map.currentLayer.
|
|
* @param {boolean} [addToWorld=true] - If true it will automatically add each body to the world.
|
|
* @return {array} An array of the Phaser.Physics.Body objects that have been created.
|
|
*/
|
|
convertCollisionObjects: function (map, layer, addToWorld) {
|
|
|
|
if (typeof addToWorld === 'undefined') { addToWorld = true; }
|
|
|
|
layer = map.getLayer(layer);
|
|
|
|
var output = [];
|
|
|
|
for (var i = 0, len = map.collision[layer].length; i < len; i++)
|
|
{
|
|
// name: json.layers[i].objects[v].name,
|
|
// x: json.layers[i].objects[v].x,
|
|
// y: json.layers[i].objects[v].y,
|
|
// width: json.layers[i].objects[v].width,
|
|
// height: json.layers[i].objects[v].height,
|
|
// visible: json.layers[i].objects[v].visible,
|
|
// properties: json.layers[i].objects[v].properties,
|
|
// polyline: json.layers[i].objects[v].polyline
|
|
|
|
var object = map.collision[layer][i];
|
|
|
|
var body = this.createBody(object.x, object.y, 0, addToWorld, {}, object.polyline);
|
|
|
|
if (body)
|
|
{
|
|
output.push(body);
|
|
}
|
|
|
|
}
|
|
|
|
return output;
|
|
|
|
},
|
|
|
|
/**
|
|
* Clears all physics bodies from the given TilemapLayer that were created with `World.convertTilemap`.
|
|
*
|
|
* @method Phaser.Physics.P2#clearTilemapLayerBodies
|
|
* @param {Phaser.Tilemap} map - The Tilemap to get the map data from.
|
|
* @param {number|string|Phaser.TilemapLayer} [layer] - The layer to operate on. If not given will default to map.currentLayer.
|
|
*/
|
|
clearTilemapLayerBodies: function (map, layer) {
|
|
|
|
layer = map.getLayer(layer);
|
|
|
|
var i = map.layers[layer].bodies.length;
|
|
|
|
while (i--)
|
|
{
|
|
map.layers[layer].bodies[i].destroy();
|
|
}
|
|
|
|
map.layers[layer].bodies.length = [];
|
|
|
|
},
|
|
|
|
/**
|
|
* Goes through all tiles in the given Tilemap and TilemapLayer and converts those set to collide into physics bodies.
|
|
* Only call this *after* you have specified all of the tiles you wish to collide with calls like Tilemap.setCollisionBetween, etc.
|
|
* Every time you call this method it will destroy any previously created bodies and remove them from the world.
|
|
* Therefore understand it's a very expensive operation and not to be done in a core game update loop.
|
|
*
|
|
* @method Phaser.Physics.P2#convertTilemap
|
|
* @param {Phaser.Tilemap} map - The Tilemap to get the map data from.
|
|
* @param {number|string|Phaser.TilemapLayer} [layer] - The layer to operate on. If not given will default to map.currentLayer.
|
|
* @param {boolean} [addToWorld=true] - If true it will automatically add each body to the world, otherwise it's up to you to do so.
|
|
* @param {boolean} [optimize=true] - If true adjacent colliding tiles will be combined into a single body to save processing. However it means you cannot perform specific Tile to Body collision responses.
|
|
* @return {array} An array of the Phaser.Physics.P2.Body objects that were created.
|
|
*/
|
|
convertTilemap: function (map, layer, addToWorld, optimize) {
|
|
|
|
layer = map.getLayer(layer);
|
|
|
|
if (typeof addToWorld === 'undefined') { addToWorld = true; }
|
|
if (typeof optimize === 'undefined') { optimize = true; }
|
|
|
|
// If the bodies array is already populated we need to nuke it
|
|
this.clearTilemapLayerBodies(map, layer);
|
|
|
|
var width = 0;
|
|
var sx = 0;
|
|
var sy = 0;
|
|
|
|
for (var y = 0, h = map.layers[layer].height; y < h; y++)
|
|
{
|
|
width = 0;
|
|
|
|
for (var x = 0, w = map.layers[layer].width; x < w; x++)
|
|
{
|
|
var tile = map.layers[layer].data[y][x];
|
|
|
|
if (tile)
|
|
{
|
|
if (optimize)
|
|
{
|
|
var right = map.getTileRight(layer, x, y);
|
|
|
|
if (width === 0)
|
|
{
|
|
sx = tile.x * tile.width;
|
|
sy = tile.y * tile.height;
|
|
width = tile.width;
|
|
}
|
|
|
|
if (right && right.collides)
|
|
{
|
|
width += tile.width;
|
|
}
|
|
else
|
|
{
|
|
var body = this.createBody(sx, sy, 0, false);
|
|
|
|
body.addRectangle(width, tile.height, width / 2, tile.height / 2, 0);
|
|
|
|
if (addToWorld)
|
|
{
|
|
this.addBody(body);
|
|
}
|
|
|
|
map.layers[layer].bodies.push(body);
|
|
|
|
width = 0;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
var body = this.createBody(tile.x * tile.width, tile.y * tile.height, 0, false);
|
|
|
|
body.addRectangle(tile.width, tile.height, tile.width / 2, tile.height / 2, 0);
|
|
|
|
if (addToWorld)
|
|
{
|
|
this.addBody(body);
|
|
}
|
|
|
|
map.layers[layer].bodies.push(body);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return map.layers[layer].bodies;
|
|
|
|
},
|
|
|
|
/**
|
|
* Convert p2 physics value (meters) to pixel scale.
|
|
* By default Phaser uses a scale of 20px per meter.
|
|
* If you need to modify this you can over-ride these functions via the Physics Configuration object.
|
|
*
|
|
* @method Phaser.Physics.P2#mpx
|
|
* @param {number} v - The value to convert.
|
|
* @return {number} The scaled value.
|
|
*/
|
|
mpx: function (v) {
|
|
|
|
return v *= 20;
|
|
|
|
},
|
|
|
|
/**
|
|
* Convert pixel value to p2 physics scale (meters).
|
|
* By default Phaser uses a scale of 20px per meter.
|
|
* If you need to modify this you can over-ride these functions via the Physics Configuration object.
|
|
*
|
|
* @method Phaser.Physics.P2#pxm
|
|
* @param {number} v - The value to convert.
|
|
* @return {number} The scaled value.
|
|
*/
|
|
pxm: function (v) {
|
|
|
|
return v * 0.05;
|
|
|
|
},
|
|
|
|
/**
|
|
* Convert p2 physics value (meters) to pixel scale and inverses it.
|
|
* By default Phaser uses a scale of 20px per meter.
|
|
* If you need to modify this you can over-ride these functions via the Physics Configuration object.
|
|
*
|
|
* @method Phaser.Physics.P2#mpxi
|
|
* @param {number} v - The value to convert.
|
|
* @return {number} The scaled value.
|
|
*/
|
|
mpxi: function (v) {
|
|
|
|
return v *= -20;
|
|
|
|
},
|
|
|
|
/**
|
|
* Convert pixel value to p2 physics scale (meters) and inverses it.
|
|
* By default Phaser uses a scale of 20px per meter.
|
|
* If you need to modify this you can over-ride these functions via the Physics Configuration object.
|
|
*
|
|
* @method Phaser.Physics.P2#pxmi
|
|
* @param {number} v - The value to convert.
|
|
* @return {number} The scaled value.
|
|
*/
|
|
pxmi: function (v) {
|
|
|
|
return v * -0.05;
|
|
|
|
}
|
|
|
|
};
|
|
|
|
/**
|
|
* @name Phaser.Physics.P2#friction
|
|
* @property {number} friction - Friction between colliding bodies. This value is used if no matching ContactMaterial is found for a Material pair.
|
|
*/
|
|
Object.defineProperty(Phaser.Physics.P2.prototype, "friction", {
|
|
|
|
get: function () {
|
|
|
|
return this.world.defaultFriction;
|
|
|
|
},
|
|
|
|
set: function (value) {
|
|
|
|
this.world.defaultFriction = value;
|
|
|
|
}
|
|
|
|
});
|
|
|
|
/**
|
|
* @name Phaser.Physics.P2#restituion
|
|
* @property {number} restitution - Default coefficient of restitution between colliding bodies. This value is used if no matching ContactMaterial is found for a Material pair.
|
|
*/
|
|
Object.defineProperty(Phaser.Physics.P2.prototype, "restituion", {
|
|
|
|
get: function () {
|
|
|
|
return this.world.defaultRestitution;
|
|
|
|
},
|
|
|
|
set: function (value) {
|
|
|
|
this.world.defaultRestitution = value;
|
|
|
|
}
|
|
|
|
});
|
|
|
|
/**
|
|
* @name Phaser.Physics.P2#applySpringForces
|
|
* @property {boolean} applySpringForces - Enable to automatically apply spring forces each step.
|
|
*/
|
|
Object.defineProperty(Phaser.Physics.P2.prototype, "applySpringForces", {
|
|
|
|
get: function () {
|
|
|
|
return this.world.applySpringForces;
|
|
|
|
},
|
|
|
|
set: function (value) {
|
|
|
|
this.world.applySpringForces = value;
|
|
|
|
}
|
|
|
|
});
|
|
|
|
/**
|
|
* @name Phaser.Physics.P2#applyDamping
|
|
* @property {boolean} applyDamping - Enable to automatically apply body damping each step.
|
|
*/
|
|
Object.defineProperty(Phaser.Physics.P2.prototype, "applyDamping", {
|
|
|
|
get: function () {
|
|
|
|
return this.world.applyDamping;
|
|
|
|
},
|
|
|
|
set: function (value) {
|
|
|
|
this.world.applyDamping = value;
|
|
|
|
}
|
|
|
|
});
|
|
|
|
/**
|
|
* @name Phaser.Physics.P2#applyGravity
|
|
* @property {boolean} applyGravity - Enable to automatically apply gravity each step.
|
|
*/
|
|
Object.defineProperty(Phaser.Physics.P2.prototype, "applyGravity", {
|
|
|
|
get: function () {
|
|
|
|
return this.world.applyGravity;
|
|
|
|
},
|
|
|
|
set: function (value) {
|
|
|
|
this.world.applyGravity = value;
|
|
|
|
}
|
|
|
|
});
|
|
|
|
/**
|
|
* @name Phaser.Physics.P2#solveConstraints
|
|
* @property {boolean} solveConstraints - Enable/disable constraint solving in each step.
|
|
*/
|
|
Object.defineProperty(Phaser.Physics.P2.prototype, "solveConstraints", {
|
|
|
|
get: function () {
|
|
|
|
return this.world.solveConstraints;
|
|
|
|
},
|
|
|
|
set: function (value) {
|
|
|
|
this.world.solveConstraints = value;
|
|
|
|
}
|
|
|
|
});
|
|
|
|
/**
|
|
* @name Phaser.Physics.P2#time
|
|
* @property {boolean} time - The World time.
|
|
* @readonly
|
|
*/
|
|
Object.defineProperty(Phaser.Physics.P2.prototype, "time", {
|
|
|
|
get: function () {
|
|
|
|
return this.world.time;
|
|
|
|
}
|
|
|
|
});
|
|
|
|
/**
|
|
* @name Phaser.Physics.P2#emitImpactEvent
|
|
* @property {boolean} emitImpactEvent - Set to true if you want to the world to emit the "impact" event. Turning this off could improve performance.
|
|
*/
|
|
Object.defineProperty(Phaser.Physics.P2.prototype, "emitImpactEvent", {
|
|
|
|
get: function () {
|
|
|
|
return this.world.emitImpactEvent;
|
|
|
|
},
|
|
|
|
set: function (value) {
|
|
|
|
this.world.emitImpactEvent = value;
|
|
|
|
}
|
|
|
|
});
|
|
|
|
/**
|
|
* @name Phaser.Physics.P2#enableBodySleeping
|
|
* @property {boolean} enableBodySleeping - Enable / disable automatic body sleeping.
|
|
*/
|
|
Object.defineProperty(Phaser.Physics.P2.prototype, "enableBodySleeping", {
|
|
|
|
get: function () {
|
|
|
|
return this.world.enableBodySleeping;
|
|
|
|
},
|
|
|
|
set: function (value) {
|
|
|
|
this.world.enableBodySleeping = value;
|
|
|
|
}
|
|
|
|
});
|
|
|
|
/**
|
|
* @name Phaser.Physics.P2#total
|
|
* @property {number} total - The total number of bodies in the world.
|
|
* @readonly
|
|
*/
|
|
Object.defineProperty(Phaser.Physics.P2.prototype, "total", {
|
|
|
|
get: function () {
|
|
|
|
return this.world.bodies.length;
|
|
|
|
}
|
|
|
|
});
|
|
</pre>
|
|
</article>
|
|
</section>
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<div class="clearfix"></div>
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<footer>
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<span class="copyright">
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|
Phaser Copyright © 2012-2014 Photon Storm Ltd.
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</span>
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<br />
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<span class="jsdoc-message">
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Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.3.0-dev</a>
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on Fri Mar 14 2014 06:34:17 GMT-0000 (GMT) using the <a href="https://github.com/terryweiss/docstrap">DocStrap template</a>.
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