Added the TweenManager

src/tween/Tween.js

@@ -0,0 +1,345 @@
+/**
+* Tween constructor
+* Create a new <code>Tween</code>.
+*
+* @param object {object} Target object will be affected by this tween.
+* @param game {Phaser.Game} Current game instance.
+*/
+
+Phaser.Tween = function (object, game) {
+
+    /**
+    * Reference to the target object.
+    * @type {object}
+    */
+	this._object = object;
+
+    this.game = game;
+    this._manager = this.game.tweens;
+
+	this._valuesStart = {};
+	this._valuesEnd = {};
+	this._valuesStartRepeat = {};
+	this._duration = 1000;
+	this._repeat = 0;
+	this._yoyo = false;
+	this._reversed = false;
+	this._delayTime = 0;
+	this._startTime = null;
+	this._easingFunction = Phaser.Easing.Linear.None;
+	this._interpolationFunction = Phaser.Math.linearInterpolation;
+	this._chainedTweens = [];
+	this._onStartCallback = null;
+	this._onStartCallbackFired = false;
+	this._onUpdateCallback = null;
+	this._onCompleteCallback = null;
+
+    this._pausedTime = 0;
+
+	// Set all starting values present on the target object
+	for ( var field in object ) {
+		this._valuesStart[ field ] = parseFloat(object[field], 10);
+	}
+
+    // this.onStart = new Phaser.Signal();
+    // this.onUpdate = new Phaser.Signal();
+    this.onComplete = new Phaser.Signal();
+
+    this.isRunning = false;
+
+};
+
+Phaser.Tween.prototype = {
+
+	/**
+	* Configure the Tween
+	* @param properties {object} Propertis you want to tween.
+	* @param [duration] {number} duration of this tween.
+	* @param [ease] {any} Easing function.
+	* @param [autoStart] {bool} Whether this tween will start automatically or not.
+	* @param [delay] {number} delay before this tween will start, defaults to 0 (no delay)
+	* @param [loop] {bool} Should the tween automatically restart once complete? (ignores any chained tweens)
+	* @return {Tween} Itself.
+	*/
+	to: function ( properties, duration, ease, autoStart, delay, repeat, yoyo ) {
+
+        if (typeof duration === "undefined") { duration = 1000; }
+        if (typeof ease === "undefined") { ease = null; }
+        if (typeof autoStart === "undefined") { autoStart = false; }
+        if (typeof delay === "undefined") { delay = 0; }
+        if (typeof repeat === "undefined") { repeat = 0; }
+        if (typeof yoyo === "undefined") { yoyo = false; }
+
+        this._duration = duration;
+		this._valuesEnd = properties;
+
+        if (ease !== null) {
+            this._easingFunction = ease;
+        }
+
+        if (delay > 0) {
+            this._delayTime = delay;
+        }
+
+        this._yoyo = yoyo;
+
+        if (autoStart) {
+            return this.start();
+        } else {
+            return this;
+        }
+
+	},
+
+	start: function ( time ) {
+
+		//TWEEN.add( this );
+
+        if (this.game === null || this._object === null) {
+            return;
+        }
+
+        this.isRunning = true;
+
+		this._onStartCallbackFired = false;
+
+		// this._startTime = time !== undefined ? time : ( typeof window !== 'undefined' && window.performance !== undefined && window.performance.now !== undefined ? window.performance.now() : Date.now() );
+		// this._startTime += _delayTime;
+        this._startTime = this.game.time.now + this._delayTime;
+
+		for ( var property in this._valuesEnd ) {
+
+			// check if an Array was provided as property value
+			if ( this._valuesEnd[ property ] instanceof Array ) {
+
+				if ( this._valuesEnd[ property ].length === 0 ) {
+
+					continue;
+
+				}
+
+				// create a local copy of the Array with the start value at the front
+				this._valuesEnd[ property ] = [ this._object[ property ] ].concat( this._valuesEnd[ property ] );
+
+			}
+
+			this._valuesStart[ property ] = this._object[ property ];
+
+			if ( ( this._valuesStart[ property ] instanceof Array ) === false ) {
+				this._valuesStart[ property ] *= 1.0; // Ensures we're using numbers, not strings
+			}
+
+			this._valuesStartRepeat[ property ] = this._valuesStart[ property ] || 0;
+
+		}
+
+		return this;
+
+	},
+
+	stop: function () {
+
+		//TWEEN.remove( this );
+        if (this._manager !== null) {
+            this._manager.remove(this);
+        }
+
+        this.isRunning = false;
+
+		return this;
+
+	},
+
+	delay: function ( amount ) {
+
+		this._delayTime = amount;
+		return this;
+
+	},
+
+	repeat: function ( times ) {
+
+		this._repeat = times;
+		return this;
+
+	},
+
+	yoyo: function( yoyo ) {
+
+		this._yoyo = yoyo;
+		return this;
+
+	},
+
+
+	easing: function ( easing ) {
+
+		this._easingFunction = easing;
+		return this;
+
+	},
+
+	interpolation: function ( interpolation ) {
+
+		this._interpolationFunction = interpolation;
+		return this;
+
+	},
+
+	chain: function () {
+
+		this._chainedTweens = arguments;
+		return this;
+
+	},
+
+	onStart: function ( callback ) {
+
+		this._onStartCallback = callback;
+		return this;
+
+	},
+
+	onUpdate: function ( callback ) {
+
+		this._onUpdateCallback = callback;
+		return this;
+
+	},
+
+	onComplete: function ( callback ) {
+
+		this._onCompleteCallback = callback;
+		return this;
+
+	},
+
+    pause: function () {
+        this._paused = true;
+    },
+
+    resume: function () {
+        this._paused = false;
+        this._startTime += this.game.time.pauseDuration;
+    },
+
+	update: function ( time ) {
+
+        if (this._paused || time < this._startTime) {
+
+            return true;
+
+        }
+
+		var property;
+
+		if ( time < this._startTime ) {
+
+			return true;
+
+		}
+
+		if ( this._onStartCallbackFired === false ) {
+
+			if ( this._onStartCallback !== null ) {
+
+				this._onStartCallback.call( this._object );
+
+			}
+
+			this._onStartCallbackFired = true;
+
+		}
+
+		var elapsed = ( time - this._startTime ) / this._duration;
+		elapsed = elapsed > 1 ? 1 : elapsed;
+
+		var value = this._easingFunction( elapsed );
+
+		for ( property in this._valuesEnd ) {
+
+			var start = this._valuesStart[ property ] || 0;
+			var end = this._valuesEnd[ property ];
+
+			if ( end instanceof Array ) {
+
+				this._object[ property ] = this._interpolationFunction( end, value );
+
+			} else {
+
+                // Parses relative end values with start as base (e.g.: +10, -3)
+				if ( typeof(end) === "string" ) {
+					end = start + parseFloat(end, 10);
+				}
+
+				// protect against non numeric properties.
+                if ( typeof(end) === "number" ) {
+					this._object[ property ] = start + ( end - start ) * value;
+				}
+
+			}
+
+		}
+
+		if ( this._onUpdateCallback !== null ) {
+
+			this._onUpdateCallback.call( this._object, value );
+
+		}
+
+		if ( elapsed == 1 ) {
+
+			if ( this._repeat > 0 ) {
+
+				if ( isFinite( this._repeat ) ) {
+					this._repeat--;
+				}
+
+				// reassign starting values, restart by making startTime = now
+				for ( property in this._valuesStartRepeat ) {
+
+					if ( typeof( this._valuesEnd[ property ] ) === "string" ) {
+						this._valuesStartRepeat[ property ] = this._valuesStartRepeat[ property ] + parseFloat(this._valuesEnd[ property ], 10);
+					}
+
+					if (this._yoyo) {
+						var tmp = this._valuesStartRepeat[ property ];
+						this._valuesStartRepeat[ property ] = this._valuesEnd[ property ];
+						this._valuesEnd[ property ] = tmp;
+						this._reversed = !this._reversed;
+					}
+					this._valuesStart[ property ] = this._valuesStartRepeat[ property ];
+
+				}
+
+				this._startTime = time + this._delayTime;
+
+				return true;
+
+			} else {
+
+				if ( this._onCompleteCallback !== null ) {
+
+					this.onComplete.dispatch(this._object);
+					this._onCompleteCallback.call( this._object );
+
+				}
+
+				for ( var i = 0, numChainedTweens = this._chainedTweens.length; i < numChainedTweens; i ++ ) {
+
+					this._chainedTweens[ i ].start( time );
+
+				}
+
+				return false;
+
+			}
+
+		}
+
+		return true;
+
+	}
+	
+};
+