mirror of
https://github.com/photonstorm/phaser
synced 2024-11-23 05:03:37 +00:00
Added bodyBounds class, finished alignBody and fixed typedefs
This commit is contained in:
Richard Davey
parent
9aeead5cc2
commit
d031d91f1e
1 changed files with 64 additions and 63 deletions
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@ -8,6 +8,7 @@ var ALIGN_CONST = require('../../display/align/const');
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var Axes = require('./lib/geometry/Axes');
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var Bodies = require('./lib/factory/Bodies');
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var Body = require('./lib/body/Body');
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var BodyBounds = require('./BodyBounds');
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var Bounds = require('./lib/geometry/Bounds');
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var Class = require('../../utils/Class');
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var Composite = require('./lib/body/Composite');
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@ -138,7 +139,7 @@ var MatterPhysics = new Class({
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this.world;
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/**
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* An instance of the Matter Factory. This class provides lots of functions for creatying a
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* An instance of the Matter Factory. This class provides lots of functions for creating a
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* wide variety of physics objects and adds them automatically to the Matter World.
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*
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* You can use this class to cut-down on the amount of code required in your game, however,
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@ -151,6 +152,16 @@ var MatterPhysics = new Class({
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*/
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this.add;
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/**
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* An instance of the Body Bounds class. This class contains functions used for getting the
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* world position from various points around the bounds of a physics body.
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*
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* @name Phaser.Physics.Matter.MatterPhysics#bodyBounds
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* @type {Phaser.Physics.Matter.BodyBounds}
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* @since 3.22.0
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*/
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this.bodyBounds;
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// Body
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/**
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@ -425,6 +436,7 @@ var MatterPhysics = new Class({
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{
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this.world = new World(this.scene, this.config);
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this.add = new Factory(this.world);
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this.bodyBounds = new BodyBounds();
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this.systems.events.once(SceneEvents.DESTROY, this.destroy, this);
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},
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@ -671,7 +683,7 @@ var MatterPhysics = new Class({
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* @method Phaser.Physics.Matter.MatterPhysics#containsPoint
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* @since 3.22.0
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*
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* @param {(MatterJS.Body|MatterJS.Body[])} body - The body, or an array of bodies, to check against the point.
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* @param {(Phaser.Types.Physics.Matter.MatterBody|Phaser.Types.Physics.Matter.MatterBody[])} body - The body, or an array of bodies, to check against the point.
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* @param {number} x - The horizontal coordinate of the point.
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* @param {number} y - The vertical coordinate of the point.
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*
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@ -702,9 +714,9 @@ var MatterPhysics = new Class({
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*
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* @param {number} x - The horizontal coordinate of the point.
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* @param {number} y - The vertical coordinate of the point.
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* @param {MatterJS.Body[]} [bodies] - An array of bodies to check. If not provided it will search all bodies in the world.
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* @param {Phaser.Types.Physics.Matter.MatterBody[]} [bodies] - An array of bodies to check. If not provided it will search all bodies in the world.
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*
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* @return {MatterJS.Body[]} An array of bodies which contain the given point.
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* @return {Phaser.Types.Physics.Matter.MatterBody[]} An array of bodies which contain the given point.
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*/
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intersectPoint: function (x, y, bodies)
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{
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@ -742,9 +754,9 @@ var MatterPhysics = new Class({
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* @param {number} width - The width of the area.
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* @param {number} height - The height of the area.
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* @param {boolean} [outside=false] - If `false` it checks for vertices inside the area, if `true` it checks for vertices outside the area.
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* @param {MatterJS.Body[]} [bodies] - An array of bodies to check. If not provided it will search all bodies in the world.
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* @param {Phaser.Types.Physics.Matter.MatterBody[]} [bodies] - An array of bodies to check. If not provided it will search all bodies in the world.
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*
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* @return {MatterJS.Body[]} An array of bodies that intersect with the given area.
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* @return {Phaser.Types.Physics.Matter.MatterBody[]} An array of bodies that intersect with the given area.
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*/
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intersectRect: function (x, y, width, height, outside, bodies)
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{
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@ -787,9 +799,9 @@ var MatterPhysics = new Class({
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* @param {number} x2 - The horizontal coordinate of the end of the ray segment.
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* @param {number} y2 - The vertical coordinate of the end of the ray segment.
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* @param {number} [rayWidth=1] - The width of the ray segment.
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* @param {MatterJS.Body[]} [bodies] - An array of bodies to check. If not provided it will search all bodies in the world.
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* @param {Phaser.Types.Physics.Matter.MatterBody[]} [bodies] - An array of bodies to check. If not provided it will search all bodies in the world.
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*
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* @return {MatterJS.Body[]} An array of bodies whos vertices intersect with the ray segment.
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* @return {Phaser.Types.Physics.Matter.MatterBody[]} An array of bodies whos vertices intersect with the ray segment.
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*/
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intersectRay: function (x1, y1, x2, y2, rayWidth, bodies)
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{
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@ -816,10 +828,10 @@ var MatterPhysics = new Class({
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* @method Phaser.Physics.Matter.MatterPhysics#intersectBody
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* @since 3.22.0
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*
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* @param {MatterJS.Body} body - The target body.
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* @param {MatterJS.Body[]} [bodies] - An array of bodies to check the target body against. If not provided it will search all bodies in the world.
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* @param {Phaser.Types.Physics.Matter.MatterBody} body - The target body.
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* @param {Phaser.Types.Physics.Matter.MatterBody[]} [bodies] - An array of bodies to check the target body against. If not provided it will search all bodies in the world.
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*
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* @return {MatterJS.Body[]} An array of bodies whos vertices intersect with target body.
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* @return {Phaser.Types.Physics.Matter.MatterBody[]} An array of bodies whos vertices intersect with target body.
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*/
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intersectBody: function (body, bodies)
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{
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@ -866,8 +878,8 @@ var MatterPhysics = new Class({
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* @method Phaser.Physics.Matter.MatterPhysics#overlap
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* @since 3.22.0
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*
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* @param {(MatterJS.Body|MatterJS.Body[])} target - The target body, or array of target bodies, to check.
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* @param {MatterJS.Body[]} [bodies] - The second body, or array of bodies, to check. If falsey it will check against all bodies in the world.
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* @param {(Phaser.Types.Physics.Matter.MatterBody|Phaser.Types.Physics.Matter.MatterBody[])} target - The target body, or array of target bodies, to check.
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* @param {Phaser.Types.Physics.Matter.MatterBody[]} [bodies] - The second body, or array of bodies, to check. If falsey it will check against all bodies in the world.
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* @param {ArcadePhysicsCallback} [overlapCallback] - An optional callback function that is called if the bodies overlap.
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* @param {ArcadePhysicsCallback} [processCallback] - An optional callback function that lets you perform additional checks against the two bodies if they overlap. If this is set then `overlapCallback` will only be invoked if this callback returns `true`.
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* @param {*} [callbackContext] - The context, or scope, in which to run the callbacks.
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@ -932,7 +944,7 @@ var MatterPhysics = new Class({
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* @method Phaser.Physics.Matter.MatterPhysics#setCollisionCategory
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* @since 3.22.0
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*
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* @param {MatterJS.Body[]} bodies - An array of bodies to update. If falsey it will use all bodies in the world.
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* @param {Phaser.Types.Physics.Matter.MatterBody[]} bodies - An array of bodies to update. If falsey it will use all bodies in the world.
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* @param {number} value - Unique category bitfield.
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*
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* @return {this} This Matter Physics instance.
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@ -961,7 +973,7 @@ var MatterPhysics = new Class({
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* @method Phaser.Physics.Matter.MatterPhysics#setCollisionGroup
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* @since 3.22.0
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*
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* @param {MatterJS.Body[]} bodies - An array of bodies to update. If falsey it will use all bodies in the world.
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* @param {Phaser.Types.Physics.Matter.MatterBody[]} bodies - An array of bodies to update. If falsey it will use all bodies in the world.
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* @param {number} value - Unique group index.
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*
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* @return {this} This Matter Physics instance.
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@ -988,7 +1000,7 @@ var MatterPhysics = new Class({
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* @method Phaser.Physics.Matter.MatterPhysics#setCollidesWith
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* @since 3.22.0
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*
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* @param {MatterJS.Body[]} bodies - An array of bodies to update. If falsey it will use all bodies in the world.
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* @param {Phaser.Types.Physics.Matter.MatterBody[]} bodies - An array of bodies to update. If falsey it will use all bodies in the world.
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* @param {(number|number[])} categories - A unique category bitfield, or an array of them.
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*
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* @return {this} This Matter Physics instance.
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@ -1064,7 +1076,7 @@ var MatterPhysics = new Class({
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* @method Phaser.Physics.Matter.MatterPhysics#setVelocity
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* @since 3.22.0
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*
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* @param {(MatterJS.Body|MatterJS.Body[])} bodies - Either a single Body, or an array of bodies to update. If falsey it will use all bodies in the world.
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* @param {(Phaser.Types.Physics.Matter.MatterBody|Phaser.Types.Physics.Matter.MatterBody[])} bodies - Either a single Body, or an array of bodies to update. If falsey it will use all bodies in the world.
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* @param {number} x - The horizontal linear velocity value.
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* @param {number} y - The vertical linear velocity value.
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*
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@ -1094,7 +1106,7 @@ var MatterPhysics = new Class({
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* @method Phaser.Physics.Matter.MatterPhysics#setVelocityX
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* @since 3.22.0
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*
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* @param {(MatterJS.Body|MatterJS.Body[])} bodies - Either a single Body, or an array of bodies to update. If falsey it will use all bodies in the world.
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* @param {(Phaser.Types.Physics.Matter.MatterBody|Phaser.Types.Physics.Matter.MatterBody[])} bodies - Either a single Body, or an array of bodies to update. If falsey it will use all bodies in the world.
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* @param {number} x - The horizontal linear velocity value.
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*
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* @return {this} This Matter Physics instance.
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@ -1123,7 +1135,7 @@ var MatterPhysics = new Class({
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* @method Phaser.Physics.Matter.MatterPhysics#setVelocityY
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* @since 3.22.0
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*
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* @param {(MatterJS.Body|MatterJS.Body[])} bodies - Either a single Body, or an array of bodies to update. If falsey it will use all bodies in the world.
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* @param {(Phaser.Types.Physics.Matter.MatterBody|Phaser.Types.Physics.Matter.MatterBody[])} bodies - Either a single Body, or an array of bodies to update. If falsey it will use all bodies in the world.
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* @param {number} y - The vertical linear velocity value.
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*
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* @return {this} This Matter Physics instance.
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@ -1152,7 +1164,7 @@ var MatterPhysics = new Class({
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* @method Phaser.Physics.Matter.MatterPhysics#setAngularVelocity
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* @since 3.22.0
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*
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* @param {(MatterJS.Body|MatterJS.Body[])} bodies - Either a single Body, or an array of bodies to update. If falsey it will use all bodies in the world.
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* @param {(Phaser.Types.Physics.Matter.MatterBody|Phaser.Types.Physics.Matter.MatterBody[])} bodies - Either a single Body, or an array of bodies to update. If falsey it will use all bodies in the world.
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* @param {number} value - The angular velocity.
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*
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* @return {this} This Matter Physics instance.
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@ -1175,7 +1187,7 @@ var MatterPhysics = new Class({
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* @method Phaser.Physics.Matter.MatterPhysics#applyForce
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* @since 3.22.0
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*
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* @param {(MatterJS.Body|MatterJS.Body[])} bodies - Either a single Body, or an array of bodies to update. If falsey it will use all bodies in the world.
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* @param {(Phaser.Types.Physics.Matter.MatterBody|Phaser.Types.Physics.Matter.MatterBody[])} bodies - Either a single Body, or an array of bodies to update. If falsey it will use all bodies in the world.
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* @param {Phaser.Types.Math.Vector2Like} force - A Vector that specifies the force to apply.
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*
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* @return {this} This Matter Physics instance.
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@ -1206,7 +1218,7 @@ var MatterPhysics = new Class({
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* @method Phaser.Physics.Matter.MatterPhysics#applyForceFromPosition
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* @since 3.22.0
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*
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* @param {(MatterJS.Body|MatterJS.Body[])} bodies - Either a single Body, or an array of bodies to update. If falsey it will use all bodies in the world.
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* @param {(Phaser.Types.Physics.Matter.MatterBody|Phaser.Types.Physics.Matter.MatterBody[])} bodies - Either a single Body, or an array of bodies to update. If falsey it will use all bodies in the world.
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* @param {Phaser.Types.Math.Vector2Like} position - A Vector that specifies the world-space position to apply the force at.
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* @param {number} speed - A speed value to be applied to a directional force.
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* @param {number} [angle] - The angle, in radians, to apply the force from. Leave undefined to use the current body angle.
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@ -1244,7 +1256,7 @@ var MatterPhysics = new Class({
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* @method Phaser.Physics.Matter.MatterPhysics#applyForceFromAngle
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* @since 3.22.0
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*
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* @param {(MatterJS.Body|MatterJS.Body[])} bodies - Either a single Body, or an array of bodies to update. If falsey it will use all bodies in the world.
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* @param {(Phaser.Types.Physics.Matter.MatterBody|Phaser.Types.Physics.Matter.MatterBody[])} bodies - Either a single Body, or an array of bodies to update. If falsey it will use all bodies in the world.
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* @param {number} speed - A speed value to be applied to a directional force.
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* @param {number} [angle] - The angle, in radians, to apply the force from. Leave undefined to use the current body angle.
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*
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@ -1310,90 +1322,79 @@ var MatterPhysics = new Class({
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* The alignment takes place using the body bounds, which take into consideration things
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* like body scale and rotation.
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*
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* For example, if you wanted to align a body so it sat in the bottom-left of the
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* Although a Body has a `position` property, it is based on the center of mass for the body,
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* not a dimension based center. This makes aligning bodies difficult, especially if they have
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* rotated or scaled. This method will derive the correct position based on the body bounds and
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* its center of mass offset, in order to align the body with the given coordinate.
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*
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* For example, if you wanted to align a body so it sat in the bottom-center of the
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* Scene, and the world was 800 x 600 in size:
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*
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* ```javascript
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* this.matter.alignBody(body, 0, 600, Phaser.Display.Align.BOTTOM_LEFT);
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* this.matter.alignBody(body, 400, 600, Phaser.Display.Align.BOTTOM_CENTER);
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* ```
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*
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* You pass in 400 for the x coordinate, because that is the center of the world, and 600 for
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* the y coordinate, as that is the base of the world.
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*
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* @method Phaser.Physics.Matter.MatterPhysics#alignBody
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* @since 3.22.0
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*
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* @param {MatterJS.Body} body - The Body to align.
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* @param {Phaser.Types.Physics.Matter.MatterBody} body - The Body to align.
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* @param {number} x - The horizontal position to align the body to.
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* @param {number} y - The vertical position to align the body to.
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* @param {integer} align - One of the `Phaser.Display.Align` constants, such as `Phaser.Display.Align.TOP_LEFT`.
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*
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* @return {number} The length of the constraint.
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* @return {this} This Matter Physics instance.
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*/
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alignBody: function (body, x, y, align)
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{
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body = (body.hasOwnProperty('body')) ? body.body : body;
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var boundsWidth = body.bounds.max.x - body.bounds.min.x;
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var boundsHeight = body.bounds.max.y - body.bounds.min.y;
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var boundsCenterX = boundsWidth / 2;
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var boundsCenterY = boundsHeight / 2;
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var bodyCenterX = boundsWidth * body.centerOfMass.x;
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var bodyCenterY = boundsHeight * body.centerOfMass.y;
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var diffX = bodyCenterX - boundsCenterX;
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var diffY = bodyCenterY - boundsCenterY;
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var posX;
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var posY;
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var pos;
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switch (align)
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{
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case ALIGN_CONST.TOP_LEFT:
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case ALIGN_CONST.LEFT_TOP:
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posX = x + boundsCenterX + diffX;
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posY = y + boundsCenterY + diffY;
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pos = this.bodyBounds.getTopLeft(body, x, y);
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break;
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case ALIGN_CONST.TOP_CENTER:
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posX = x + diffX;
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posY = y + boundsCenterY + diffY;
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pos = this.bodyBounds.getTopCenter(body, x, y);
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break;
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case ALIGN_CONST.TOP_RIGHT:
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case ALIGN_CONST.RIGHT_TOP:
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posX = x - (boundsCenterX - diffX);
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posY = y + boundsCenterY + diffY;
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pos = this.bodyBounds.getTopRight(body, x, y);
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break;
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case ALIGN_CONST.LEFT_CENTER:
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posX = x + boundsCenterX + diffX;
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posY = y + diffY;
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pos = this.bodyBounds.getLeftCenter(body, x, y);
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break;
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case ALIGN_CONST.CENTER:
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pos = this.bodyBounds.getCenter(body, x, y);
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break;
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case ALIGN_CONST.RIGHT_CENTER:
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pos = this.bodyBounds.getRightCenter(body, x, y);
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break;
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case ALIGN_CONST.LEFT_BOTTOM:
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case ALIGN_CONST.BOTTOM_LEFT:
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posX = x + boundsCenterX + diffX;
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posY = y - (boundsCenterY - diffY);
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pos = this.bodyBounds.getBottomLeft(body, x, y);
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break;
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case ALIGN_CONST.BOTTOM_CENTER:
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posX = x + diffX;
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posY = y - (boundsCenterY - diffY);
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pos = this.bodyBounds.getBottomCenter(body, x, y);
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break;
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case ALIGN_CONST.BOTTOM_RIGHT:
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case ALIGN_CONST.RIGHT_BOTTOM:
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posX = x - (boundsCenterX - diffX);
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posY = y - (boundsCenterY - diffY);
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break;
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case ALIGN_CONST.RIGHT_CENTER:
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posX = x - (boundsCenterX - diffX);
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posY = y + diffY;
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pos = this.bodyBounds.getBottomRight(body, x, y);
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break;
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}
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Body.setPosition(body, { x: posX, y: posY });
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Body.setPosition(body, pos);
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return this;
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},
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