javascript动画效果类封装代码
2020-02-29 15:16:18
供稿：网友
<input id=output3 style="position:absolute;top:300;left:300;"/>
<input id=output1 />
<input id=output2 />
<br/>
<input id=output4 />
<script>
function Animation(target,targetProperty,closure,precision)
{
closure=closure||function(x){return x;};
precision=precision||10;
this.handle;
var beginTime=new Date();
var stopTime=new Date();
this.Begin=function(){
beginTime=new Date();
this.handle=setInterval(
function(){
var now=new Date();
target[targetProperty]=closure(now.getTime()-beginTime.getTime());
},
precision
);
}
this.Continue=function(){
var now=new Date();
beginTime.setTime(now.getTime()-stopTime.getTime()+beginTime.getTime());
this.handle=setInterval(
function(){
var now=new Date();
target[targetProperty]=closure(now.getTime()-beginTime.getTime());
},
precision
);
}
this.Stop=function(duration){
clearInterval(this.handle);
if(duration===undefined)
{
stopTime=new Date();
duration=stopTime.getTime()-beginTime.getTime();
}
else stopTime.setTime(beginTime.getTime()+duration)
target[targetProperty]=closure(duration);
}
}
function StoryBoard(Duration,onfinish,flag)
{
onfinish=onfinish||function(){};
var r=new Array();
r.appendAnimation=function(animation)
{
if(animation instanceof Animation)
this.push(animation);
}
r.removeAnimation=function(animation)
{
for(var i=0;i<r.length;i++)
{
if(r[i]==animation)
{
r.splice(i,1);
break;
