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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>three.js</title>
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<meta name="description" content="展示一些样例,写一些书籍,gy的网站">
<meta name="keywords" content="three.js,demos,canvas,webgl,tricks,前端,guoyang,gy134340,web">
<link rel="icon" href="img/icon/favicon.png">
<link rel="stylesheet" href="css/reset.css">
<style>
body{
/*background-color: #000;*/
}
.container{
width: 100%;
height: 100%;
}
.wrap_img{
position: absolute;
left:50%;
margin-left: -375px;
display: none;
top:0;
width: auto;
}
#canvas{
position: absolute;
top:0px;
left:50%;
display: none;
margin-left: -375px;
}
#canvas_img{
display: block;
width: 750px;
height: auto;
max-width: 100%;
margin: 0 auto;
}
.content{
position: absolute;
width: 750px;
height: 495px;
left:50%;
top:50%;
-webkit-transform:translate(-50%,-50%);
transform:translate(-50%,-50%);
perspective: 500;
/*background-color: #000;*/
}
.atom{
position: absolute;
}
.control{
position: absolute;
top:-45px;
left:50%;
width: 600px;
height: 30px;
margin-left: -300px;
display: -webkit-box;
display: box;
}
.control .sub{
-webkit-box-flex:1;
box-flex:1;
margin:4px;
cursor: pointer;
/*background-color: #9BA439;*/
background-color: #8DA46E;
border-radius: 3px;
text-align: center;
}
</style>
</head>
<body>
<div class="container">
<canvas id="canvas" width="750" height="495">
</canvas>
<div class="wrap_img">
<img id="canvas_img" src="img/sunflower.jpg" alt="">
</div>
<!-- draw -->
<div class="content">
<div class="control">
<div class="sub" id="rotatex">rotateX</div>
<div class="sub" id="rotatey">rotateY</div>
<div class="sub" id="scale">scale</div>
<div class="sub" id="translate">translate</div>
<div class="sub" id="skew">skew</div>
</div>
</div>
</div>
<script src="js/three.min.js"></script>
<!-- <script src="js/renderers/Projector.js"></script>
<script src="js/renderers/CanvasRenderer.js"></script> -->
<script src='js/jquery-1.11.1.min.js'></script>
<script src='js/Tween.js'></script>
<script src="js/RequestAnimationFrame.js"></script>
<script type="text/javascript">
$(function(){
/**
* canavs and img
* @author gy
*/
var ANIMATION;
var image,canvas,ctx,imgData;
var canvasWidth,canvasHeight;
var winWidth, windHeight;
var content = document.querySelectorAll('.content')[0];
function init(){
image = document.getElementById("canvas_img");
canvas = document.getElementById("canvas");
ctx = canvas.getContext('2d');
ctx.drawImage(image,0,0);
canvasWidth = canvas.width;
canvasHeight = canvas.height;
winWidth = window.innerWidth;
windHeight = window.innerHeight;
}
function draw(){
var atomWidth = canvasWidth / 50 ;
var atomHeight = canvasHeight / 33;
for(var i = 0; i < canvasWidth; i+=atomWidth){
for(var j = 0; j < canvasHeight; j+= atomHeight){
var atom = document.createElement('canvas');
atom.className = 'atom';
atom.width = atomWidth ;
atom.height = atomHeight;
atom.style.left = 0 + 'px';
atom.style.top = 0 + 'px';
atom.setAttribute('data-left',i);
atom.setAttribute('data-top',j);
// tween
var xpoi = i;
var ypoi = j;
var updateCallback = function() {
this.domElement.style.left = this.left + 'px';
this.domElement.style.top = this.top + 'px';
// this.domElement.style.-webkit-transform = 'translate(' + this.left + 'px, ' + this.top + 'px);';
};
// @todo 注意，这里要传入dom, 1 hours debug
var coords = { left:canvasWidth*Math.random(),top:canvasHeight*Math.random(),domElement:atom};
var tween = new TWEEN.Tween(coords)
.to({
left: xpoi,
top: ypoi
},4000)
.onUpdate(updateCallback)
.easing( TWEEN.Easing.Exponential.InOut );
tween.start();
var atomCtx = atom.getContext('2d');
var subImageData = ctx.getImageData(i,j,atomWidth,atomHeight);
// 注意最后两个参数是整张canvas的比例大小,不能写atom的
atomCtx.putImageData(subImageData,0,0,0,0,canvasWidth,canvasHeight);
content.append(atom);
}
}
}
function blend(){
init();
imgData = ctx.getImageData(0,0,canvasWidth,canvasHeight); // total img data
draw();
}
blend(); // 初始canvas分割成小块
function animate(){
requestAnimationFrame( animate );
TWEEN.update();
}
// 移动图片小块
// function tweenAtomsPosition(){
// var atoms = document.querySelectorAll('.atom');
// var len = atoms.length;
// for( var i = 0;i<len;i++ ){
// var atom = atoms[i];
// var xpoi = atom.getAttribute('data-left');
// var ypoi = atom.getAttribute('data-top');
// // console.log(xpoi,ypoi);
// var updateCallback = function() {
// console.log(this.left);
// this.domElement.style.left = this.left + 'px';
// // this.domElement.style.transform = 'translate(' + this.left + 'px, ' + this.top + 'px);';
// };
// var coords = { left:0,top:0,domElement:atom};
// var tween = new TWEEN.Tween(coords)
// .to({
// left: xpoi,
// top: ypoi
// },2000)
// .onUpdate(updateCallback)
// .easing( TWEEN.Easing.Exponential.InOut );
// tween.start();
// }
// }
// dom加载完开始
// window.addEventListener('load', function() {
window.onload = function(){
animate(); // tween
}
var rotatex = document.getElementById("rotatex");
rotatex.addEventListener('click',function(){
var atoms = document.querySelectorAll(".atom");
for(var i = 0,len=atoms.length;i<len;i++){
atoms[i].style.transform = 'rotateX(60deg)';
}
},false);
var rotatey = document.getElementById("rotatey");
rotatey.addEventListener('click',function(){
var atoms = document.querySelectorAll(".atom");
for(var i = 0,len=atoms.length;i<len;i++){
atoms[i].style.transform = 'rotateY(180deg)';
}
},false);
var scale = document.getElementById("scale");
scale.addEventListener('click',function(){
var atoms = document.querySelectorAll(".atom");
for(var i = 0,len=atoms.length;i<len;i++){
atoms[i].style.transform = 'scale(0.6,0.6)';
}
},false);
var translate = document.getElementById("translate");
translate.addEventListener('click',function(){
var atoms = document.querySelectorAll(".atom");
for(var i = 0,len=atoms.length;i<len;i++){
var x = Math.random() * 10;
var y = Math.random() * 10;
x = x.toFixed(0) + 'px';
y = y.toFixed(0) + 'px';
// atoms[i].style.transform = 'translate('+ x.toFixed(0) +'px,'+ y.toFixed(0) +' px)';
atoms[i].style.transform = 'translate('+x+','+y+')';
}
},false);
var skew = document.getElementById("skew");
skew.addEventListener('click',function(){
var atoms = document.querySelectorAll(".atom");
for(var i = 0,len=atoms.length;i<len;i++){
// atoms[i].style.transform = 'translate('+ x.toFixed(0) +'px,'+ y.toFixed(0) +' px)';
atoms[i].style.transform = 'skewX(45deg)';
}
},false);
// });
});
</script>
</body>
</html>