一個(gè)簡(jiǎn)單的3D效果//初學(xué)者,勿噴哦//因?yàn)榧嫒菪詥?wèn)題推薦大家谷歌打開(kāi),效果好

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Html/CSS JavaScript

<!doctype html>
<html>
<head>
<meta charset="UTF-8">
</head>
<style>

pm{

        -webkit-perspective:800;
        -webkit-perspective-origin: 50% 50%;
        -webkit-transform-style:-webkit-preserve-3d;
    }
    #fk{
        width:300px;
        height:300px;
        background:#69e;
        position:relative;
        top:50px;
        left:500px;
        -webkit-transform:rotateX(0deg);
        -webkit-transform:rotateY(0deg);
        -webkit-transform:rotateZ(0deg);            
    }
    #xz{
        width:300px;            
    }
    #yz{
        width:300px;
    }
    #zz{
        width:300px;
    }
</style>
<body>
    <div id="pm"><div id="fk"></div></divs>
    <input id="xz" type="range" value="0">这是X轴运动<br><br>
    <input id="yz" type="range" value="0">这是Y轴运动<br><br>
    <input id="zz" type="range" value="0">这是Z轴运动
    <script>
        var fk = document.getElementById('fk');//获取fk
        var xz = document.getElementById('xz');//获取x轴按钮
        var yz = document.getElementById('yz');//获取y轴按钮
        var zz = document.getElementById('zz');//获取z轴按钮
        var jd=10;//声明一个角度变量
        var isDown = false;//声明一个空变量用于控制函数
            xz.onmousedown = function(){//设置x轴按下事件
                isDown = true;
            }
            xz.onmousemove = function(){//设置x轴按下并且移动事件
                if(isDown==true){//当鼠标按下之后才会运行
                jd+=10;//每+10度
                fk.style.transform = 'rotateX('+jd+'deg)';//把角度重新赋值给fk
            }
            }
            xz.onmouseup = function(){//当鼠标抬起的时候让isdown返回false.这样移动事件就不会触发了
                isDown = false;
            }

            yz.onmousedown = function(){
                isDown = true;
            }
            yz.onmousemove = function(){
                if(isDown==true){
                jd+=10;
                fk.style.transform = 'rotateY('+jd+'deg)';
            }
            }
            yz.onmouseup = function(){
                isDown = false;
            }

            zz.onmousedown = function(){
                isDown = true;
            }
            zz.onmousemove = function(){
                if(isDown==true){
                jd+=10;
                fk.style.transform = 'rotateZ('+jd+'deg)';
            }
            }
            zz.onmouseup = function(){
                isDown = false;
            }
    </script>
</body>

</html>

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