mirror of
https://github.com/photonstorm/phaser
synced 2024-12-22 02:53:27 +00:00
251 lines
14 KiB
JavaScript
251 lines
14 KiB
JavaScript
var Phaser;
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(function (Phaser) {
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/// <reference path="../_definitions.ts" />
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/**
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* Phaser - Components - TransformManager
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*/
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(function (Components) {
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var TransformManager = (function () {
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/**
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* Creates a new TransformManager component
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* @param parent The game object using this transform
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*/
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function TransformManager(parent) {
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this._dirty = false;
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/**
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* This value is added to the rotation of the object.
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* For example if you had a texture drawn facing straight up then you could set
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* rotationOffset to 90 and it would correspond correctly with Phasers right-handed coordinate system.
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* @type {number}
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*/
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this.rotationOffset = 0;
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/**
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* The rotation of the object in degrees. Phaser uses a right-handed coordinate system, where 0 points to the right.
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*/
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this.rotation = 0;
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this.game = parent.game;
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this.parent = parent;
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this.local = new Phaser.Mat3();
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this.scrollFactor = new Phaser.Vec2(1, 1);
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this.origin = new Phaser.Vec2();
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this.scale = new Phaser.Vec2(1, 1);
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this.skew = new Phaser.Vec2();
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this.center = new Phaser.Point();
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this.upperLeft = new Phaser.Point();
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this.upperRight = new Phaser.Point();
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this.bottomLeft = new Phaser.Point();
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this.bottomRight = new Phaser.Point();
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this._pos = new Phaser.Point();
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this._scale = new Phaser.Point();
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this._size = new Phaser.Point();
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this._halfSize = new Phaser.Point();
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this._offset = new Phaser.Point();
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this._origin = new Phaser.Point();
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this._sc = new Phaser.Point();
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this._scA = new Phaser.Point();
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}
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Object.defineProperty(TransformManager.prototype, "distance", {
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get: /**
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* The distance from the center of the transform to the rotation origin.
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*/
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function () {
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return this._distance;
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},
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enumerable: true,
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configurable: true
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});
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Object.defineProperty(TransformManager.prototype, "angleToCenter", {
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get: /**
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* The angle between the center of the transform to the rotation origin.
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*/
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function () {
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return this._angle;
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},
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enumerable: true,
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configurable: true
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});
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Object.defineProperty(TransformManager.prototype, "offsetX", {
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get: /**
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* The offset on the X axis of the origin That is the difference between the top left of the Sprite and the origin.x.
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* So if the origin.x is 0 the offsetX will be 0. If the origin.x is 0.5 then offsetX will be sprite width / 2, and so on.
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*/
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function () {
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return this._offset.x;
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},
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enumerable: true,
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configurable: true
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});
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Object.defineProperty(TransformManager.prototype, "offsetY", {
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get: /**
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* The offset on the Y axis of the origin
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*/
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function () {
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return this._offset.y;
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},
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enumerable: true,
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configurable: true
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});
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Object.defineProperty(TransformManager.prototype, "halfWidth", {
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get: /**
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* Half the width of the parent sprite, taking into consideration scaling
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*/
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function () {
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return this._halfSize.x;
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},
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enumerable: true,
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configurable: true
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});
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Object.defineProperty(TransformManager.prototype, "halfHeight", {
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get: /**
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* Half the height of the parent sprite, taking into consideration scaling
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*/
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function () {
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return this._halfSize.y;
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},
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enumerable: true,
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configurable: true
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});
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Object.defineProperty(TransformManager.prototype, "sin", {
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get: /**
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* The equivalent of Math.sin(rotation + rotationOffset)
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*/
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function () {
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return this._sc.x;
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},
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enumerable: true,
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configurable: true
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});
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Object.defineProperty(TransformManager.prototype, "cos", {
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get: /**
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* The equivalent of Math.cos(rotation + rotationOffset)
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*/
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function () {
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return this._sc.y;
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},
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enumerable: true,
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configurable: true
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});
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TransformManager.prototype.centerOn = /**
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* Moves the sprite so its center is located on the given x and y coordinates.
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* Doesn't change the origin of the sprite.
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*/
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function (x, y) {
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this.parent.x = x + (this.parent.x - this.center.x);
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this.parent.y = y + (this.parent.y - this.center.y);
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//this.setCache();
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};
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TransformManager.prototype.setCache = /**
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* Populates the transform cache. Called by the parent object on creation.
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*/
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function () {
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this._pos.x = this.parent.x;
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this._pos.y = this.parent.y;
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this._halfSize.x = this.parent.width / 2;
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this._halfSize.y = this.parent.height / 2;
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this._offset.x = this.origin.x * this.parent.width;
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this._offset.y = this.origin.y * this.parent.height;
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this._angle = Math.atan2(this.halfHeight - this._offset.x, this.halfWidth - this._offset.y);
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this._distance = Math.sqrt(((this._offset.x - this._halfSize.x) * (this._offset.x - this._halfSize.x)) + ((this._offset.y - this._halfSize.y) * (this._offset.y - this._halfSize.y)));
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this._size.x = this.parent.width;
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this._size.y = this.parent.height;
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this._origin.x = this.origin.x;
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this._origin.y = this.origin.y;
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this._scA.x = Math.sin((this.rotation + this.rotationOffset) * Phaser.GameMath.DEG_TO_RAD + this._angle);
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this._scA.y = Math.cos((this.rotation + this.rotationOffset) * Phaser.GameMath.DEG_TO_RAD + this._angle);
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this._prevRotation = this.rotation;
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if(this.parent.texture && this.parent.texture.renderRotation) {
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this._sc.x = Math.sin((this.rotation + this.rotationOffset) * Phaser.GameMath.DEG_TO_RAD);
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this._sc.y = Math.cos((this.rotation + this.rotationOffset) * Phaser.GameMath.DEG_TO_RAD);
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} else {
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this._sc.x = 0;
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this._sc.y = 1;
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}
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this.center.x = this.parent.x + this._distance * this._scA.y;
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this.center.y = this.parent.y + this._distance * this._scA.x;
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this.upperLeft.setTo(this.center.x - this._halfSize.x * this._sc.y + this._halfSize.y * this._sc.x, this.center.y - this._halfSize.y * this._sc.y - this._halfSize.x * this._sc.x);
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this.upperRight.setTo(this.center.x + this._halfSize.x * this._sc.y + this._halfSize.y * this._sc.x, this.center.y - this._halfSize.y * this._sc.y + this._halfSize.x * this._sc.x);
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this.bottomLeft.setTo(this.center.x - this._halfSize.x * this._sc.y - this._halfSize.y * this._sc.x, this.center.y + this._halfSize.y * this._sc.y - this._halfSize.x * this._sc.x);
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this.bottomRight.setTo(this.center.x + this._halfSize.x * this._sc.y - this._halfSize.y * this._sc.x, this.center.y + this._halfSize.y * this._sc.y + this._halfSize.x * this._sc.x);
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this._pos.x = this.parent.x;
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this._pos.y = this.parent.y;
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this._flippedX = this.parent.texture.flippedX;
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this._flippedY = this.parent.texture.flippedY;
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};
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TransformManager.prototype.update = /**
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* Updates the local transform matrix and the cache values if anything has changed in the parent.
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*/
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function () {
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// Check cache
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this._dirty = false;
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// 1) Height or Width change (also triggered by a change in scale) or an Origin change
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if(this.parent.width !== this._size.x || this.parent.height !== this._size.y || this.origin.x !== this._origin.x || this.origin.y !== this._origin.y) {
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this._halfSize.x = this.parent.width / 2;
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this._halfSize.y = this.parent.height / 2;
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this._offset.x = this.origin.x * this.parent.width;
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this._offset.y = this.origin.y * this.parent.height;
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this._angle = Math.atan2(this.halfHeight - this._offset.y, this.halfWidth - this._offset.x);
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this._distance = Math.sqrt(((this._offset.x - this._halfSize.x) * (this._offset.x - this._halfSize.x)) + ((this._offset.y - this._halfSize.y) * (this._offset.y - this._halfSize.y)));
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// Store
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this._size.x = this.parent.width;
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this._size.y = this.parent.height;
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this._origin.x = this.origin.x;
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this._origin.y = this.origin.y;
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this._dirty = true;
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}
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// 2) Rotation change
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if(this.rotation != this._prevRotation || this._dirty) {
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this._scA.y = Math.cos((this.rotation + this.rotationOffset) * Phaser.GameMath.DEG_TO_RAD + this._angle);
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this._scA.x = Math.sin((this.rotation + this.rotationOffset) * Phaser.GameMath.DEG_TO_RAD + this._angle);
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if(this.parent.texture.renderRotation) {
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this._sc.x = Math.sin((this.rotation + this.rotationOffset) * Phaser.GameMath.DEG_TO_RAD);
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this._sc.y = Math.cos((this.rotation + this.rotationOffset) * Phaser.GameMath.DEG_TO_RAD);
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} else {
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this._sc.x = 0;
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this._sc.y = 1;
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}
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// Store
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this._prevRotation = this.rotation;
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this._dirty = true;
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}
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// 3) If it has moved (or any of the above) then update the edges and center
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if(this._dirty || this.parent.x != this._pos.x || this.parent.y != this._pos.y) {
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this.center.x = this.parent.x + this._distance * this._scA.y;
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this.center.y = this.parent.y + this._distance * this._scA.x;
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this.upperLeft.setTo(this.center.x - this._halfSize.x * this._sc.y + this._halfSize.y * this._sc.x, this.center.y - this._halfSize.y * this._sc.y - this._halfSize.x * this._sc.x);
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this.upperRight.setTo(this.center.x + this._halfSize.x * this._sc.y + this._halfSize.y * this._sc.x, this.center.y - this._halfSize.y * this._sc.y + this._halfSize.x * this._sc.x);
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this.bottomLeft.setTo(this.center.x - this._halfSize.x * this._sc.y - this._halfSize.y * this._sc.x, this.center.y + this._halfSize.y * this._sc.y - this._halfSize.x * this._sc.x);
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this.bottomRight.setTo(this.center.x + this._halfSize.x * this._sc.y - this._halfSize.y * this._sc.x, this.center.y + this._halfSize.y * this._sc.y + this._halfSize.x * this._sc.x);
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this._pos.x = this.parent.x;
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this._pos.y = this.parent.y;
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// Translate
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this.local.data[2] = this.parent.x;
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this.local.data[5] = this.parent.y;
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}
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// Scale and Skew
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if(this._dirty || this._flippedX != this.parent.texture.flippedX) {
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this._flippedX = this.parent.texture.flippedX;
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if(this._flippedX) {
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this.local.data[0] = this._sc.y * -this.scale.x;
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this.local.data[3] = (this._sc.x * -this.scale.x) + this.skew.x;
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} else {
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this.local.data[0] = this._sc.y * this.scale.x;
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this.local.data[3] = (this._sc.x * this.scale.x) + this.skew.x;
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}
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}
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if(this._dirty || this._flippedY != this.parent.texture.flippedY) {
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this._flippedY = this.parent.texture.flippedY;
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if(this._flippedY) {
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this.local.data[4] = this._sc.y * -this.scale.y;
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this.local.data[1] = -(this._sc.x * -this.scale.y) + this.skew.y;
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} else {
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this.local.data[4] = this._sc.y * this.scale.y;
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this.local.data[1] = -(this._sc.x * this.scale.y) + this.skew.y;
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}
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}
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};
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return TransformManager;
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})();
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Components.TransformManager = TransformManager;
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})(Phaser.Components || (Phaser.Components = {}));
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var Components = Phaser.Components;
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})(Phaser || (Phaser = {}));
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