Animation with JSTween
<html>
<head>
<title>JSTween</title>
<script language="javascript">
/**********************************************************************
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 = new Array() ;
var l = arguments.length ;
for(var i = 2 ; i < l ; i++) a[i - 2] = arguments[i] ;
return function() {
var aP = [].concat(arguments, a) ;
f.apply(o, aP);
}
}
Tween = function(obj, prop, func, begin, finish, duration, suffixe){
this.init(obj, prop, func, begin, finish, duration, suffixe)
}
var t = Tween.prototype;
t.obj = new Object();
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 = new Array();
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.geFinish = function(){
return this.begin + this.change;
};
t.init = function(obj, prop, func, begin, finish, duration, suffixe){
if (!arguments.length) return;
this._listeners = new Array();
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();
setTimeout(Delegate.create(this, this.onEnterFrame), 0);
}
}
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.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;
var i = a.length;
while (i--) {
if (a[i] == o) {
a.splice (i, 1);
return true;
}
}
return false;
}
t.broadcastMessage = function(){
var arr = new Array();
for(var i = 0; i < arguments.length; i++){
arr.push(arguments[i])
}
var e = arr.shift();
var a = this._listeners;
var l = a.length;
for (var 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){
if (s == undefined) var s = 1.70158;
return c*(t/=d)*t*((s+1)*t - s) + b;
}
Tween.backEaseOut = function(t,b,c,d,a,p){
if (s == undefined) 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){
if (s == undefined) 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){
if (t==0) return b;
if ((t/=d)==1) return b+c;
if (!p) p=d*.3;
if (!a || a < Math.abs(c)) {
a=c; var s=p/4;
}
else
var 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){
if (t==0) return b; if ((t/=d)==1) return b+c; if (!p) p=d*.3;
if (!a || a < Math.abs(c)) { a=c; var s=p/4; }
else var 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){
if (t==0) return b; if ((t/=d/2)==2) return b+c; if (!p) var p=d*(.3*1.5);
if (!a || a < Math.abs(c)) {var a=c; var s=p/4; }
else var s = p/(2*Math.PI) * Math.asin (c/a);
if (t < 1) return -.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 )*.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 + .75) + b;
} else if (t < (2.5/2.75)) {
return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
} else {
return c*(7.5625*(t-=(2.625/2.75))*t + .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) * .5 + b;
else return Tween.bounceEaseOut (t*2-d, 0, c, d) * .5 + c*.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;
}
</script>
<script language="javascript">
/**********************************************************************
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.
*****************************************/
TextTween.prototype = new Tween();
TextTween.prototype.constructor = Tween;
TextTween.superclass = Tween.prototype;
function TextTween(obj,property,txt,func,duration){
this.targetObject = obj;
this.targetProperty = property;
this.txt = txt;
if (func!=null && func!='') {
this.func = func;
}
this.init(new Object(),'x',func,0,txt.length,duration);
}
var o = TextTween.prototype;
o.targetObject = {};
o.targetProperty = {};
o.fromColor = '';
o.toColor = '';
o.currentColor = '';
o.onMotionChanged = function(evt){
var v = evt.target._pos;
this.targetObject[this.targetProperty] = this.txt.substr(0,v);
}
</script>
<script language="javascript">
/**********************************************************************
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 = new Array() ;
var l = arguments.length ;
for(var i = 2 ; i < l ; i++) a[i - 2] = arguments[i] ;
return function() {
var aP = [].concat(arguments, a) ;
f.apply(o, aP);
}
}
function Sequence(){
this.children = new Array();
this.currentChildIndex = 0;
this._listeners = new Array();
this.nextObject = new Object();
this.addListener(this);
}
var s = Sequence.prototype;
s.addChild = function(tween){
this.children.push(tween)
}
s.removeChild = function(tween){
var a = this.children;
var i = a.length;
while (i--) {
if (a[i] == tween) {
a.splice (i, 1);
return true;
}
}
return false;
}
s.start = function(){
this.rewind();
this.play();
this.broadcastMessage('onMotionStarted',{target:this,type:'onMotionStarted'});
}
s.next = function(){
this.children[this.currentChildIndex].removeListener(this.nextObject);
if(this.currentChildIndex < this.children.length-1){
this.currentChildIndex++;
this.play();
}
else{
this.stop();
this.broadcastMessage('onMotionFinished',{target:this,type:'onMotionFinished'});
}
}
s.play = function(){
this.nextObject = new Object();
this.nextObject.onMotionFinished = Delegate.create(this, this.next);
this.children[this.currentChildIndex].addListener(this.nextObject);
this.children[this.currentChildIndex].start();
}
s.stop = function(){
this.children[this.currentChildIndex].stop();
this.broadcastMessage('onMotionStopped',{target:this,type:'onMotionStopped'});
}
s.rewind = function(){
this.children[this.currentChildIndex].removeListener(this.nextObject);
this.currentChildIndex = 0;
for(var i = 0; i < this.children.length; i++){
this.children[i].rewind();
}
}
s.fforward = function(){
this.children[this.currentChildIndex].removeListener(this.nextObject);
for(var i = 0; i < this.children.length; i++){
this.children[i].fforward();
}
this.currentChildIndex = this.children.length - 1;
}
s.resume = function(){
this.children[this.currentChildIndex].resume();
this.broadcastMessage('onMotionResumed',{target:this,type:'onMotionStopped'});
}
s.addListener = function(o){
this.removeListener (o);
return this._listeners.push(o);
}
s.removeListener = function(o){
var a = this._listeners;
var i = a.length;
while (i--) {
if (a[i] == o) {
a.splice (i, 1);
return true;
}
}
return false;
}
s.broadcastMessage = function(){
var arr = new Array();
for(var i = 0; i < arguments.length; i++){
arr.push(arguments[i])
}
var e = arr.shift();
var a = this._listeners;
var l = a.length;
for (var i=0; i<l; i++){
if(a[i][e])
a[i][e].apply(a[i], arr);
}
}
</script>
<script language="javascript">
/**********************************************************************
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 = new Array() ;
var l = arguments.length ;
for(var i = 2 ; i < l ; i++) a[i - 2] = arguments[i] ;
return function() {
var aP = [].concat(arguments, a) ;
f.apply(o, aP);
}
}
function Parallel(){
this.children = new Array();
this.numChildren = 0;
this._listeners = new Array();
this.addListener(this);
}
var s = Parallel.prototype;
s.endObject = new Object();
s.addChild = function(tween){
this.children.push(tween)
this.numChildren++;
}
s.start = function(){
this.play();
this.broadcastMessage('onMotionStarted', {target:this, type:'onMotionStarted'});
}
s.play = function(){
for(var u = 0; u < this.numChildren; u++){
if(u==(this.numChildren-1)){
this.endObject = new Object();
this.endObject.onMotionFinished = Delegate.create(this, this.end);
this.children[u].addListener(this.endObject);
}
this.children[u].start();
}
}
s.end = function(){
this.children[this.numChildren-1].removeListener(this.endObject);
this.broadcastMessage('onMotionFinished', {target:this, type:'onMotionFinished'});
}
s.stop = function(){
this.enumAction('stop');
this.broadcastMessage('onMotionStopped', {target:this, type:'onMotionStopped'});
}
s.rewind = function(){
this.enumAction('rewind');
}
s.fforward = function(){
this.enumAction('fforward');
}
s.resume = function(){
this.enumAction('resume');
this.broadcastMessage('onMotionResumed', {target:this, type:'onMotionResumed'});
}
s.yoyo = function(){
this.enumAction('yoyo');
}
s.enumAction = function(action){
for(var u = 0; u < this.numChildren; u++){
this.children[u][action]();
}
}
s.addListener = function(o){
this.removeListener (o);
return this._listeners.push(o);
}
s.removeListener = function(o){
var a = this._listeners;
var i = a.length;
while (i--) {
if (a[i] == o) {
a.splice (i, 1);
return true;
}
}
return false;
}
s.broadcastMessage = function(){
var arr = new Array();
for(var i = 0; i < arguments.length; i++){
arr.push(arguments[i])
}
var e = arr.shift();
var a = this._listeners;
var l = a.length;
for (var i=0; i<l; i++){
if(a[i][e])
a[i][e].apply(a[i], arr);
}
}
</script>
<script language="javascript">
/**********************************************************************
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.
*****************************************/
ColorTween.prototype = new Tween();
ColorTween.prototype.constructor = Tween;
ColorTween.superclass = Tween.prototype;
function ColorTween(obj,prop,func,fromColor,toColor,duration){
this.targetObject = obj;
this.targetProperty = prop;
this.fromColor = fromColor;
this.toColor = toColor;
this.init(new Object(),'x',func,0,100,duration);
this.listenerObj = new Object();
this.listenerObj.onMotionChanged = Delegate.create(this,this.onColorChanged);
this.addListener(this.listenerObj);
}
var o = ColorTween.prototype;
o.targetObject = {};
o.targetProperty = {};
o.fromColor = '';
o.toColor = '';
o.currentColor = '';
o.listenerObj = {};
o.onColorChanged = function(){
this.currentColor = this.getColor(this.fromColor,this.toColor,this._pos);
this.targetObject[this.targetProperty] = this.currentColor;
}
/***********************************************
*
* Function : getColor
*
* Parameters : start - the start color (in the form "RRGGBB" e.g. "FF00AC")
* end - the end color (in the form "RRGGBB" e.g. "FF00AC")
* percent - the percent (0-100) of the fade between start & end
*
* returns : color in the form "#RRGGBB" e.g. "#FA13CE"
*
* Description : This is a utility function. Given a start and end color and
* a percentage fade it returns a color in between the 2 colors
*
* Author : www.JavaScript-FX.com
*
*************************************************/
o.getColor = function(start, end, percent)
{
var r1=this.hex2dec(start.slice(0,2));
var g1=this.hex2dec(start.slice(2,4));
var b1=this.hex2dec(start.slice(4,6));
var r2=this.hex2dec(end.slice(0,2));
var g2=this.hex2dec(end.slice(2,4));
var b2=this.hex2dec(end.slice(4,6));
var pc = percent/100;
r= Math.floor(r1+(pc*(r2-r1)) + .5);
g= Math.floor(g1+(pc*(g2-g1)) + .5);
b= Math.floor(b1+(pc*(b2-b1)) + .5);
return("#" + this.dec2hex(r) + this.dec2hex(g) + this.dec2hex(b));
}
/*** These are the simplest HEX/DEC conversion routines I could come up with ***/
/*** I have seen a lot of fade routines that seem to make this a ***/
/*** very complex task. I am sure somene else must've had this idea ***/
/************************************************/
o.dec2hex = function(dec){return(this.hexDigit[dec>>4]+this.hexDigit[dec&15]);}
o.hexDigit=new Array("0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F");
o.hex2dec = function(hex){return(parseInt(hex,16))};
</script>
<script language="javascript">
function init(){
var tg = document.getElementById('debug');
var tg2 = document.getElementById('debug2');
var tg3 = document.getElementById('debug3');
//I think putting the text in a hidden element is a good practise for site indexing
var ex_txt = document.getElementById('LoremIpsum').innerHTML;
t1 = new TextTween(tg, 'value', ex_txt, Tween.strongEaseOut, 2);
t2 = new TextTween(tg2, 'value', ex_txt, Tween.strongEaseOut, 2);
t3 = new TextTween(tg3, 'value', ex_txt, Tween.strongEaseOut, 2);
t4 = new ColorTween(tg.style, 'color', Tween.strongEaseOut, '000000', 'FF0000', 2);
seq1 = new Sequence();
seq1.addChild(t1);
seq1.addChild(t4);
seq1.addChild(t2);
seq1.addChild(t3);
par1 = new Parallel();
par1.addChild(t1);
par1.addChild(t2);
par1.addChild(t3);
par1.addChild(t4);
}
</script>
<style>
h4{margin:0;padding:0;}
</style>
</head>
<body onload="init()">
<h1 id="LoremIpsum" style="display:none;">Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet.
</h1>
<div style="clear:both;padding-top:25px;">
<h4>Col 1</h4>
<input type="button" onclick="t1.start();" value="start()"><input type="button" onclick="t1.stop();" value="stop()"><input type="button" onclick="t1.resume();" value="resume()"><input type="button" onclick="t1.rewind();" value="rewind()"><input type="button" onclick="t1.fforward();" value="fforward()"><input type="button" onclick="t1.yoyo();" value="yoyo()">
<h4>Col 2</h4>
<input type="button" onclick="t2.start();" value="start()"><input type="button" onclick="t2.stop();" value="stop()"><input type="button"
onclick="t2.resume();" value="resume()"><input type="button" onclick="t2.rewind();" value="rewind()"><input type="button" onclick="t2.fforward();"
value="fforward()"><input type="button" onclick="t2.yoyo();" value="yoyo()">
<h4>Col 3</h4>
<input type="button" onclick="t3.start();" value="start()"><input type="button" onclick="t3.stop();" value="stop()"><input type="button"
onclick="t3.resume();" value="resume()"><input type="button" onclick="t3.rewind();" value="rewind()"><input type="button" onclick="t3.fforward();"
value="fforward()"><input type="button" onclick="t3.yoyo();" value="yoyo()">
<h4>Sequence</h4>
<input type="button" onclick="seq1.start();" value="start()"><input type="button" onclick="seq1.stop();" value="stop()"><input type="button"
onclick="seq1.resume();" value="resume()"><input type="button" onclick="seq1.rewind();" value="rewind()"><input type="button" onclick="seq1.fforward();"
value="fforward()">
<h4>Parallel</h4>
<input type="button" onclick="par1.start();" value="start()"><input type="button" onclick="par1.stop();" value="stop()"><input type="button"
onclick="par1.resume();" value="resume()"><input type="button" onclick="par1.rewind();" value="rewind()"><input type="button" onclick="par1.fforward();"
value="fforward()"><input type="button" onclick="par1.yoyo();" value="yoyo()">
</div>
<textarea id="debug" cols="30" rows="30">
</textarea>
<textarea id="debug2" cols="30" rows="30">
</textarea>
<textarea id="debug3" cols="30" rows="30">
</textarea>
<h3>Code</h3>
<pre>
function init(){
//declaring textareas
var tg = document.getElementById('debug');
var tg2 = document.getElementById('debug2');
var tg3 = document.getElementById('debug3');
//I think putting the text in a hidden element is a good practise for site indexing
var ex_txt = document.getElementById('LoremIpsum').innerHTML;
//creating the 3 TextTween instances
t1 = new TextTween(tg, 'value', ex_txt, Tween.strongEaseOut, 2);
t2 = new TextTween(tg2, 'value', ex_txt, Tween.strongEaseOut, 2);
t3 = new TextTween(tg3, 'value', ex_txt, Tween.strongEaseOut, 2);
//colorTween to show combination of tween types
t4 = new ColorTween(tg.style, 'color', Tween.strongEaseOut, '000000', 'FF0000', 2);
//creating a Tween sequence
seq1 = new Sequence();
seq1.addChild(t1);
seq1.addChild(t4);
seq1.addChild(t2);
seq1.addChild(t3);
//creating a Parralel for a set of Tweens to work together
par1 = new Parallel();
par1.addChild(t1);
par1.addChild(t2);
par1.addChild(t3);
par1.addChild(t4);
}
</pre>
</body>
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