add sauce

lib/steelseries/scripts/src/tween.js

@@ -0,0 +1,380 @@
+/*!*********************************************************************
+TERMS OF USE - EASING EQUATIONS
+Open source under the BSD License.
+Copyright (c) 2001 Robert Penner
+JavaScript version copyright (C) 2006 by Philippe Maegerman
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+   * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+   * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+   * Neither the name of the author nor the names of contributors may
+be used to endorse or promote products derived from this software
+without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*****************************************/
+function Delegate() {}
+Delegate.create = function (o, f) {
+	var a = [], i, l = arguments.length;
+	for (i = 2; i < l; i++) {
+		a[i - 2] = arguments[i];
+	}
+	return function () {
+		var aP = [].concat(arguments, a);
+		f.apply(o, aP);
+	};
+};
+
+/*
+object:
+  type:Object
+    The object you want to modify. It can be any object, a visual object that you want to animate ( document.body.style ) or an anymous object ( new Object() ).
+property:
+  type:String
+    The property that is updated on the target object, it can be empty ('')
+easing:
+  type:Function
+    The easing that will be applied to motion.
+start:
+  type:Number
+    Start value
+end:
+  type:Number
+    End value
+duration:
+  type:Number
+    Animation duration in seconds
+suffixe:
+ type:String
+   A string to append to the updated property ('%','pt','em' ...).
+*/
+
+var Tween = function (obj, prop, func, begin, finish, duration, suffixe) {
+	this.init(obj, prop, func, begin, finish, duration, suffixe);
+};
+var t = Tween.prototype;
+
+t.obj = {};
+t.prop = '';
+t.func = function (t, b, c, d) { return c * t / d + b; };
+t.begin = 0;
+t.change = 0;
+t.prevTime = 0;
+t.prevPos = 0;
+t.looping = false;
+t._duration = 0;
+t._time = 0;
+t._pos = 0;
+t._position = 0;
+t._startTime = 0;
+t._finish = 0;
+t.name = '';
+t.suffixe = '';
+t._listeners = [];
+t.setTime = function (t) {
+	this.prevTime = this._time;
+	if (t > this.getDuration()) {
+		if (this.looping) {
+			this.rewind(t - this._duration);
+			this.update();
+			this.broadcastMessage('onMotionLooped', {target: this, type: 'onMotionLooped'});
+		} else {
+			this._time = this._duration;
+			this.update();
+			this.stop();
+			this.broadcastMessage('onMotionFinished', {target: this, type: 'onMotionFinished'});
+		}
+	} else if (t < 0) {
+		this.rewind();
+		this.update();
+	} else {
+		this._time = t;
+		this.update();
+	}
+};
+t.getTime = function () {
+	return this._time;
+};
+t.setDuration = function (d) {
+	this._duration = (d === null || d <= 0) ? 100000 : d;
+};
+t.getDuration = function () {
+	return this._duration;
+};
+t.setPosition = function (p) {
+	this.prevPos = this._pos;
+	var a = this.suffixe !== '' ? this.suffixe : '';
+	this.obj[this.prop] = Math.round(p) + a;
+	this._pos = p;
+	this.broadcastMessage('onMotionChanged', {target: this, type: 'onMotionChanged'});
+};
+t.getPosition = function (t) {
+	if (t === undefined) {
+		t = this._time;
+	}
+	return this.func(t, this.begin, this.change, this._duration);
+};
+t.setFinish = function (f) {
+	this.change = f - this.begin;
+};
+t.getFinish = function () {
+	return this.begin + this.change;
+};
+t.init = function (obj, prop, func, begin, finish, duration, suffixe) {
+	if (!arguments.length) {
+		return;
+	}
+	this._listeners = [];
+	this.addListener(this);
+	if (suffixe) {
+		this.suffixe = suffixe;
+	}
+	this.obj = obj;
+	this.prop = prop;
+	this.begin = begin;
+	this._pos = begin;
+	this.setDuration(duration);
+	if (func !== null && func !== '') {
+		this.func = func;
+	}
+	this.setFinish(finish);
+};
+t.start = function () {
+	this.rewind();
+	this.startEnterFrame();
+	this.broadcastMessage('onMotionStarted', {target: this, type: 'onMotionStarted'});
+	//alert('in');
+};
+t.rewind = function (t) {
+	this.stop();
+	this._time = (t === undefined) ? 0 : t;
+	this.fixTime();
+	this.update();
+};
+t.fforward = function () {
+	this._time = this._duration;
+	this.fixTime();
+	this.update();
+};
+t.update = function () {
+	this.setPosition(this.getPosition(this._time));
+};
+t.startEnterFrame = function () {
+	this.stopEnterFrame();
+	this.isPlaying = true;
+	this.onEnterFrame();
+};
+t.onEnterFrame = function () {
+	if (this.isPlaying) {
+		this.nextFrame();
+		// To get real smooth movement you have to set the timeout to 0 instead of 25
+		setTimeout(Delegate.create(this, this.onEnterFrame), 25);
+	}
+};
+t.nextFrame = function () {
+	this.setTime((this.getTimer() - this._startTime) / 1000);
+};
+t.stop = function () {
+	this.stopEnterFrame();
+	this.broadcastMessage('onMotionStopped', {target: this, type: 'onMotionStopped'});
+};
+t.stopEnterFrame = function () {
+	this.isPlaying = false;
+};
+t.playing = function () {
+    return this.isPlaying;
+};
+t.continueTo = function (finish, duration) {
+	this.begin = this._pos;
+	this.setFinish(finish);
+	if (this._duration !== undefined) {
+		this.setDuration(duration);
+	}
+	this.start();
+};
+t.resume = function () {
+	this.fixTime();
+	this.startEnterFrame();
+	this.broadcastMessage('onMotionResumed', {target: this, type: 'onMotionResumed'});
+};
+t.yoyo = function () {
+	this.continueTo(this.begin, this._time);
+};
+t.addListener = function (o) {
+	this.removeListener(o);
+	return this._listeners.push(o);
+};
+t.removeListener = function (o) {
+	var a = this._listeners,
+		i = a.length;
+	while (i--) {
+		if (a[i] === o) {
+			a.splice(i, 1);
+			return true;
+		}
+	}
+	return false;
+};
+t.broadcastMessage = function () {
+	var arr = [], i, e, a = this._listeners,
+		l = a.length;
+	for (i = 0; i < arguments.length; i++) {
+		arr.push(arguments[i]);
+	}
+	e = arr.shift();
+
+	for (i = 0; i < l; i++) {
+		if (a[i][e]) {
+			a[i][e].apply(a[i], arr);
+		}
+	}
+};
+t.fixTime = function () {
+	this._startTime = this.getTimer() - this._time * 1000;
+};
+t.getTimer = function () {
+	return new Date().getTime() - this._time;
+};
+Tween.backEaseIn = function (t, b, c, d, a, p) {
+	var s = 1.70158;
+	return c * (t /= d) * t * ((s + 1) * t - s) + b;
+};
+Tween.backEaseOut = function (t, b, c, d, a, p) {
+	var s = 1.70158;
+	return c * ((t = t / d - 1) * t * ((s + 1) * t + s) + 1) + b;
+};
+Tween.backEaseInOut = function (t, b, c, d, a, p) {
+	var s = 1.70158;
+	if ((t /= d / 2) < 1) {
+		return c / 2 * (t * t * (((s *= (1.525)) + 1) * t - s)) + b;
+	}
+	return c / 2 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2) + b;
+};
+Tween.elasticEaseIn = function (t, b, c, d, a, p) {
+	var s;
+	if (t === 0) {
+		return b;
+	}
+	if ((t /= d) === 1) {
+		return b + c;
+	}
+	if (!p) {
+		p = d * 0.3;
+	}
+	if (!a || a < Math.abs(c)) {
+		a = c;
+		s = p / 4;
+	} else {
+		s = p / (2 * Math.PI) * Math.asin(c / a);
+	}
+
+	return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p)) + b;
+
+};
+Tween.elasticEaseOut = function (t, b, c, d, a, p) {
+	var s;
+	if (t === 0) {
+		return b;
+	}
+	if ((t /= d) === 1) {
+		return b + c;
+	}
+	if (!p) {
+		p = d * 0.3;
+	}
+	if (!a || a < Math.abs(c)) {
+		a = c;
+		s = p / 4;
+	} else {
+		s = p / (2 * Math.PI) * Math.asin(c / a);
+	}
+	return (a * Math.pow(2, -10 * t) * Math.sin((t * d - s) * (2 * Math.PI) / p) + c + b);
+};
+Tween.elasticEaseInOut = function (t, b, c, d, a, p) {
+	var s;
+	if (t === 0) {
+		return b;
+	}
+	if ((t /= d / 2) === 2) {
+		return b + c;
+	}
+	if (!p) {
+		p = d * (0.3 * 1.5);
+	}
+	if (!a || a < Math.abs(c)) {
+		a = c;
+		s = p / 4;
+	} else {
+		s = p / (2 * Math.PI) * Math.asin(c / a);
+	}
+	if (t < 1) {
+		return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p)) + b;
+	}
+	return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p) * 0.5 + c + b;
+};
+Tween.bounceEaseOut = function (t, b, c, d) {
+	if ((t /= d) < (1 / 2.75)) {
+		return c * (7.5625 * t * t) + b;
+	} else if (t < (2 / 2.75)) {
+		return c * (7.5625 * (t -= (1.5 / 2.75)) * t + 0.75) + b;
+	} else if (t < (2.5 / 2.75)) {
+		return c * (7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375) + b;
+	} else {
+		return c * (7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375) + b;
+	}
+};
+Tween.bounceEaseIn = function (t, b, c, d) {
+	return c - Tween.bounceEaseOut(d - t, 0, c, d) + b;
+};
+Tween.bounceEaseInOut = function (t, b, c, d) {
+	if (t < d / 2) {
+		return Tween.bounceEaseIn(t * 2, 0, c, d) * 0.5 + b;
+	} else {
+		return Tween.bounceEaseOut(t * 2 - d, 0, c, d) * 0.5 + c * 0.5 + b;
+	}
+};
+Tween.strongEaseInOut = function (t, b, c, d) {
+	return c * (t /= d) * t * t * t * t + b;
+};
+Tween.regularEaseIn = function (t, b, c, d) {
+	return c * (t /= d) * t + b;
+};
+Tween.regularEaseOut = function (t, b, c, d) {
+	return -c * (t /= d) * (t - 2) + b;
+};
+Tween.regularEaseInOut = function (t, b, c, d) {
+	if ((t /= d / 2) < 1) {
+		return c / 2 * t * t + b;
+	}
+	return -c / 2 * ((--t) * (t - 2) - 1) + b;
+};
+Tween.strongEaseIn = function (t, b, c, d) {
+	return c * (t /= d) * t * t * t * t + b;
+};
+Tween.strongEaseOut = function (t, b, c, d) {
+	return c * ((t = t / d - 1) * t * t * t * t + 1) + b;
+};
+Tween.strongEaseInOut = function (t, b, c, d) {
+	if ((t /= d / 2) < 1) {
+		return c / 2 * t * t * t * t * t + b;
+	}
+	return c / 2 * ((t -= 2) * t * t * t * t + 2) + b;
+};