2013-08-08 18:16:47 +00:00
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/// <reference path="../../_definitions.ts" />
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2013-08-02 11:38:56 +00:00
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/**
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* Phaser - ArcadePhysics - Body
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*/
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module Phaser.Physics {
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export class Body {
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constructor(sprite: Phaser.Sprite, type: number) {
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this.sprite = sprite;
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this.game = sprite.game;
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this.type = type;
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// Fixture properties
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// Will extend into its own class at a later date - can move the fixture defs there and add shape support, but this will do for 1.0 release
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2013-08-08 18:16:47 +00:00
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this.bounds = new Phaser.Rectangle;
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2013-08-02 11:38:56 +00:00
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this._width = sprite.width;
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this._height = sprite.height;
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// Body properties
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//this.gravity = Vec2Utils.clone(ArcadePhysics.gravity);
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//this.bounce = Vec2Utils.clone(ArcadePhysics.bounce);
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2013-08-08 18:16:47 +00:00
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this.velocity = new Phaser.Vec2;
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this.acceleration = new Phaser.Vec2;
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2013-08-02 11:38:56 +00:00
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//this.drag = Vec2Utils.clone(ArcadePhysics.drag);
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this.maxVelocity = new Phaser.Vec2(10000, 10000);
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2013-08-02 11:38:56 +00:00
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this.angularVelocity = 0;
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this.angularAcceleration = 0;
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this.angularDrag = 0;
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2013-08-08 18:16:47 +00:00
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this.touching = Phaser.Types.NONE;
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this.wasTouching = Phaser.Types.NONE;
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this.allowCollisions = Phaser.Types.ANY;
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2013-08-08 18:16:47 +00:00
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this.position = new Phaser.Vec2(sprite.x + this.bounds.halfWidth, sprite.y + this.bounds.halfHeight);
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this.oldPosition = new Phaser.Vec2(sprite.x + this.bounds.halfWidth, sprite.y + this.bounds.halfHeight);
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this.offset = new Phaser.Vec2;
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}
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/**
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* Reference to Phaser.Game
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*/
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2013-08-08 18:16:47 +00:00
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public game: Phaser.Game;
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2013-08-02 11:38:56 +00:00
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/**
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* Reference to the parent Sprite
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*/
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public sprite: Phaser.Sprite;
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/**
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* The type of Body (disabled, dynamic, static or kinematic)
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* Disabled = skips all physics operations / tests (default)
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* Dynamic = gives and receives impacts
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* Static = gives but doesn't receive impacts, cannot be moved by physics
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* Kinematic = gives impacts, but never receives, can be moved by physics
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* @type {number}
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*/
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public type: number;
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public gravity: Phaser.Vec2;
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public bounce: Phaser.Vec2;
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public velocity: Phaser.Vec2;
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public acceleration: Phaser.Vec2;
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public drag: Phaser.Vec2;
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public maxVelocity: Phaser.Vec2;
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public angularVelocity: number = 0;
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public angularAcceleration: number = 0;
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public angularDrag: number = 0;
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public maxAngular: number = 10000;
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/**
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* Orientation of the object.
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* @type {number}
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*/
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public facing: number;
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public touching: number;
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public allowCollisions: number;
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public wasTouching: number;
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public mass: number = 1;
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public position: Phaser.Vec2;
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public oldPosition: Phaser.Vec2;
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public offset: Phaser.Vec2;
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public bounds: Phaser.Rectangle;
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private _width: number = 0;
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private _height: number = 0;
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public get x(): number {
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return this.sprite.x + this.offset.x;
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}
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public get y(): number {
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return this.sprite.y + this.offset.y;
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}
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public set width(value: number) {
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this._width = value;
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}
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public set height(value: number) {
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this._height = value;
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}
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public get width(): number {
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return this._width * this.sprite.transform.scale.x;
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}
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public get height(): number {
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return this._height * this.sprite.transform.scale.y;
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}
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public preUpdate() {
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this.oldPosition.copyFrom(this.position);
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this.bounds.x = this.x;
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this.bounds.y = this.y;
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this.bounds.width = this.width;
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this.bounds.height = this.height;
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}
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// Shall we do this? Or just update the values directly in the separate functions? But then the bounds will be out of sync - as long as
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// the bounds are updated and used in calculations then we can do one final sprite movement here I guess?
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public postUpdate() {
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// if this is all it does maybe move elsewhere? Sprite postUpdate?
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if (this.type !== Phaser.Types.BODY_DISABLED)
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{
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//this.game.world.physics.updateMotion(this);
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this.wasTouching = this.touching;
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this.touching = Phaser.Types.NONE;
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}
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this.position.setTo(this.x, this.y);
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}
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public get hullWidth(): number {
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if (this.deltaX > 0)
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{
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return this.bounds.width + this.deltaX;
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}
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else
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{
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return this.bounds.width - this.deltaX;
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}
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}
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public get hullHeight(): number {
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if (this.deltaY > 0)
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{
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return this.bounds.height + this.deltaY;
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}
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else
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{
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return this.bounds.height - this.deltaY;
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}
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}
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public get hullX(): number {
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if (this.position.x < this.oldPosition.x)
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{
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return this.position.x;
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}
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else
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{
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return this.oldPosition.x;
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}
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}
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public get hullY(): number {
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if (this.position.y < this.oldPosition.y)
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{
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return this.position.y;
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}
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else
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{
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return this.oldPosition.y;
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}
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}
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public get deltaXAbs(): number {
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return (this.deltaX > 0 ? this.deltaX : -this.deltaX);
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}
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public get deltaYAbs(): number {
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return (this.deltaY > 0 ? this.deltaY : -this.deltaY);
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}
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public get deltaX(): number {
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return this.position.x - this.oldPosition.x;
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}
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public get deltaY(): number {
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return this.position.y - this.oldPosition.y;
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}
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// MOVE THESE TO A UTIL
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public render(context:CanvasRenderingContext2D) {
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context.beginPath();
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context.strokeStyle = 'rgb(0,255,0)';
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context.strokeRect(this.position.x - this.bounds.halfWidth, this.position.y - this.bounds.halfHeight, this.bounds.width, this.bounds.height);
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context.stroke();
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context.closePath();
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// center point
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context.fillStyle = 'rgb(0,255,0)';
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context.fillRect(this.position.x, this.position.y, 2, 2);
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if (this.touching & Phaser.Types.LEFT)
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{
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context.beginPath();
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context.strokeStyle = 'rgb(255,0,0)';
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context.moveTo(this.position.x - this.bounds.halfWidth, this.position.y - this.bounds.halfHeight);
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context.lineTo(this.position.x - this.bounds.halfWidth, this.position.y + this.bounds.halfHeight);
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context.stroke();
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context.closePath();
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}
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if (this.touching & Phaser.Types.RIGHT)
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{
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context.beginPath();
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context.strokeStyle = 'rgb(255,0,0)';
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context.moveTo(this.position.x + this.bounds.halfWidth, this.position.y - this.bounds.halfHeight);
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context.lineTo(this.position.x + this.bounds.halfWidth, this.position.y + this.bounds.halfHeight);
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context.stroke();
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context.closePath();
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}
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if (this.touching & Phaser.Types.UP)
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{
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context.beginPath();
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context.strokeStyle = 'rgb(255,0,0)';
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context.moveTo(this.position.x - this.bounds.halfWidth, this.position.y - this.bounds.halfHeight);
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context.lineTo(this.position.x + this.bounds.halfWidth, this.position.y - this.bounds.halfHeight);
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context.stroke();
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context.closePath();
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}
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if (this.touching & Phaser.Types.DOWN)
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{
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context.beginPath();
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context.strokeStyle = 'rgb(255,0,0)';
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context.moveTo(this.position.x - this.bounds.halfWidth, this.position.y + this.bounds.halfHeight);
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context.lineTo(this.position.x + this.bounds.halfWidth, this.position.y + this.bounds.halfHeight);
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context.stroke();
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context.closePath();
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}
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}
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/**
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* Render debug infos. (including name, bounds info, position and some other properties)
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* @param x {number} X position of the debug info to be rendered.
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* @param y {number} Y position of the debug info to be rendered.
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* @param [color] {number} color of the debug info to be rendered. (format is css color string)
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*/
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public renderDebugInfo(x: number, y: number, color: string = 'rgb(255,255,255)') {
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this.sprite.texture.context.fillStyle = color;
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this.sprite.texture.context.fillText('Sprite: (' + this.sprite.width + ' x ' + this.sprite.height + ')', x, y);
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//this.sprite.texture.context.fillText('x: ' + this._sprite.frameBounds.x.toFixed(1) + ' y: ' + this._sprite.frameBounds.y.toFixed(1) + ' rotation: ' + this._sprite.rotation.toFixed(1), x, y + 14);
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this.sprite.texture.context.fillText('x: ' + this.bounds.x.toFixed(1) + ' y: ' + this.bounds.y.toFixed(1) + ' rotation: ' + this.sprite.transform.rotation.toFixed(0), x, y + 14);
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this.sprite.texture.context.fillText('vx: ' + this.velocity.x.toFixed(1) + ' vy: ' + this.velocity.y.toFixed(1), x, y + 28);
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this.sprite.texture.context.fillText('acx: ' + this.acceleration.x.toFixed(1) + ' acy: ' + this.acceleration.y.toFixed(1), x, y + 42);
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this.sprite.texture.context.fillText('angVx: ' + this.angularVelocity.toFixed(1) + ' angAc: ' + this.angularAcceleration.toFixed(1), x, y + 56);
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}
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}
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}
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