我将 misc_controls_orbit 示例嵌入到包含其他内容的较大网页中的 800x600 框架中。
我的问题是当我滚动我的鼠标滚轮时，即使我的鼠标在框架内或框架外，它也会滚动网页和缩放我的对象。
我现在需要的是当我的鼠标在框架内时，它只会缩放对象，而不是用它滚动所有网页，当鼠标在框架外时，它只会滚动网页，而不是缩放对象(比如Sketchfab 嵌入此处:http://www.klaasnienhuis.nl/2012/09/sketchfab-embeds/ )
这个问题似乎只发生在 OrbitControls 上，Trackball 不会，我搜索并尝试了很多方法但仍然没有结果，有人可以帮助我吗？ (我的英语不好，希望你能理解，如果你不理解请问)
这是我正在使用的原始 misc_controls_orbit 代码:
<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - orbit controls</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style>
body {
color: #000;
font-family:Monospace;
font-size:13px;
text-align:center;
font-weight: bold;
background-color: #fff;
margin: 0px;
overflow: hidden;
}
#info {
color:#000;
position: absolute;
top: 0px; width: 100%;
padding: 5px;
}
a {
color: red;
}
</style>
</head>
<body>
<div id="container"></div>
<div id="info">
<a href="http://threejs.org" target="_blank">three.js</a> - orbit controls example
</div>
<script src="../build/three.min.js"></script>
<script src="js/controls/OrbitControls.js"></script>
<script src="js/Detector.js"></script>
<script src="js/libs/stats.min.js"></script>
<script>
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
var container, stats;
var camera, controls, scene, renderer;
var cross;
init();
animate();
function init() {
camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 1000 );
camera.position.z = 500;
controls = new THREE.OrbitControls( camera );
controls.addEventListener( 'change', render );
scene = new THREE.Scene();
scene.fog = new THREE.FogExp2( 0xcccccc, 0.002 );
// world
var geometry = new THREE.CylinderGeometry( 0, 10, 30, 4, 1 );
var material = new THREE.MeshLambertMaterial( { color:0xffffff, shading: THREE.FlatShading } );
for ( var i = 0; i < 500; i ++ ) {
var mesh = new THREE.Mesh( geometry, material );
mesh.position.x = ( Math.random() - 0.5 ) * 1000;
mesh.position.y = ( Math.random() - 0.5 ) * 1000;
mesh.position.z = ( Math.random() - 0.5 ) * 1000;
mesh.updateMatrix();
mesh.matrixAutoUpdate = false;
scene.add( mesh );
}
// lights
light = new THREE.DirectionalLight( 0xffffff );
light.position.set( 1, 1, 1 );
scene.add( light );
light = new THREE.DirectionalLight( 0x002288 );
light.position.set( -1, -1, -1 );
scene.add( light );
light = new THREE.AmbientLight( 0x222222 );
scene.add( light );
// renderer
renderer = new THREE.WebGLRenderer( { antialias: false } );
renderer.setClearColor( scene.fog.color, 1 );
renderer.setSize( window.innerWidth, window.innerHeight );
container = document.getElementById( 'container' );
container.appendChild( renderer.domElement );
stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.top = '0px';
stats.domElement.style.zIndex = 100;
container.appendChild( stats.domElement );
//
window.addEventListener( 'resize', onWindowResize, false );
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
render();
}
function animate() {
requestAnimationFrame( animate );
controls.update();
}
function render() {
renderer.render( scene, camera );
stats.update();
}
</script>
</body>
最佳答案
使用canvas渲染webgl并添加事件监听器
使用这个 html:
<canvas id="webglcanvas" width="800" height="600"></canvas>
用这个javascript
function onMouseWheel(evt) {
evt.preventDefault();
/* TODO : your zoom */
}
function addMouseHandler(canvas) {
canvas.addEventListener('mousemove', onMouseMove, false);
canvas.addEventListener('mousedown', onMouseDown, false);
canvas.addEventListener('mouseup', onMouseUp, false);
canvas.addEventListener('onwheel' in document ? 'wheel' : 'mousewheel', onMouseWheel, false);
}
function createScene(canvas) {
renderer = new THREE.WebGLRenderer({
canvas: canvas,
antialias: true
});
// Set the viewport size
renderer.setSize(canvas.width, canvas.height);
}
$(document).ready(function () {
var canvas = document.getElementById("webglcanvas");
// create the scene
createScene(canvas);
// add mouse handling so we can rotate the scene
addMouseHandler(canvas);
// Run the run loop
run();
});
关于javascript - 放大较大的网页时出现 OrbitControls 问题，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/19760943/