three.js/cylinder.html at master · rkweb/three.js · GitHub

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<!DOCTYPE html>
<head>
    <meta charset="utf-8">
    <title></title>
    <meta name="viewport" content="width=640,target-densitydpi=device-dpi,user-scalable=no">
    <meta name="Keywords" content="">
    <meta name="Description" content="">
    <meta content="yes" name="apple-mobile-web-app-capable" />
    <meta name="apple-touch-fullscreen" content="yes" />
    <meta content="black" name="apple-mobile-web-app-status-bar-style" />
    <meta name="format-detection" content="telephone=no"/>
    <style>
        *{
            margin: 0px;
            padding: 0px;
        }
        html,body{
            width: 100%;
            height: 100%;
            overflow: hidden;
        }
    </style>
</head>
<body>
    <div class="canvas"></div>
<script src="http://go.163.com/2015/public/common/js/zepto.min.js"></script>
<script src="js/three.min.js"></script>
<script src="./js/orienter.min.js"></script>
<script src="./js/tween.min.js"></script>
<script>
$('body').on('touchmove',function(e){
    e.preventDefault();
});
var renderer = new THREE.WebGLRenderer({
    alpha:true,
    antialias:true
});
var scene = new THREE.Scene();
var camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight,1,1000);
camera.position.set(0,0,0);
camera.target = new THREE.Vector3( 0, 0, 0 );
camera.lookAt(scene.position);
renderer.setSize(window.innerWidth,window.innerHeight);

var geometry = new THREE.CylinderGeometry( 150, 150, 130, 32,1,true,0);
geometry.scale(-1, 1, 1);
var material = new THREE.MeshBasicMaterial({
    map: new THREE.TextureLoader().load('./img/bg.jpg')
});
var mesh = new THREE.Mesh(geometry,material);
mesh.position.set(0,0,0);
scene.add(mesh);


var geometry = new THREE.PlaneGeometry(240/10,205/10);
var texture = new THREE.TextureLoader().load('./img/scaleBtn.png');
var material = new THREE.MeshPhongMaterial({
    transparent: true,
    map: texture
});
var mesh = new THREE.Mesh(geometry,material);
mesh.position.set(0,0,-140);
scene.add(mesh);
var light = new THREE.AmbientLight(0xffffff);
scene.add(light);

var isUserInteracting = false,lon = 0,lat = 0,phi = 0, theta = 0;
document.addEventListener( 'touchstart',onTouchstart, false );
document.addEventListener( 'touchmove', onTouchsmove, false );
document.addEventListener( 'touchend', onTouchsend, false );
function onTouchstart( event ){
    isUserInteracting = true;
    onPointerDownPointerX = event.targetTouches[0].pageX;
    onPointerDownPointerY = event.targetTouches[0].pageY;
    onPointerDownLon = lon; //经度
    onPointerDownLat = lat; //纬度
}
function onTouchsmove( event ) {
    if ( isUserInteracting === true ) {
        lon = ( onPointerDownPointerX - event.targetTouches[0].pageX ) * 0.1 + onPointerDownLon;
        lat = ( event.targetTouches[0].pageY - onPointerDownPointerY ) * 0.1 + onPointerDownLat;
    }
}
function onTouchsend( event ) {
    isUserInteracting = false;
}

var o = new Orienter();
var lon_orienter = 0,lat_orienter = 0,phi_orienter = 0;

var old_lon = 0;
var offset = 0;
o.handler = function (obj) {
    if(Math.abs(old_lon-obj.lon)<1){
        return;
    }
    if((obj.lon - old_lon)<0 || (obj.lon-old_lon)>100){
        offset+=1;
    }else if((obj.lon - old_lon)>0 || (obj.lon-old_lon)<-100){
        offset-=1;
    }
    old_lon =  obj.lon;

    lon_orienter =offset;
    lat_orienter = obj.lat;
};
o.init();

var move_phi = 0;
var move_theta = 0;
function render(){
    lat = Math.max( - 85, Math.min( 85, (lat) ) );
    phi = THREE.Math.degToRad( 90 - (lat));
    theta = THREE.Math.degToRad( lon+lon_orienter );

    move_phi += 0.1*(phi - move_phi);
    move_theta += 0.1*(theta - move_theta);
    camera.target.x = 150 * Math.sin( move_phi ) * Math.cos(move_theta);
    // camera.target.y = 150 * Math.cos( phi );
    camera.target.z = 150 * Math.sin(move_phi) * Math.sin(move_theta);
    camera.lookAt(camera.target);
    requestAnimationFrame(render);
    renderer.render(scene,camera);
    TWEEN.update();
}
render();
$('.canvas')[0].appendChild(renderer.domElement);
</script>
</body>
</html>