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Three.js 立方体黑色但我添加了纹理?

转载 作者:行者123 更新时间:2023-12-02 19:43:35 25 4
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我尝试向使用 JS/THREE.JS 制作的立方体添加纹理。但是当我在浏览器中打开它时,它全黑了?

这是我的代码:

    <html>
<head>
<title>My first Three.js app</title>
<style>canvas { width: 100%; height: 100% }</style>
</head>
<body>
<script src="https://rawgithub.com/mrdoob/three.js/master/build/three.js"></script>
<script>
// revolutions per second
var angularSpeed = 0.2;
var lastTime = 0;

// this function is executed on each animation frame
function animate(){
// update
var time = (new Date()).getTime();
var timeDiff = time - lastTime;
var angleChange = angularSpeed * timeDiff * 2 * Math.PI / 1000;
cube.rotation.y += angleChange;
lastTime = time;

// render
renderer.render(scene, camera);

// request new frame
requestAnimationFrame(function(){
animate();
});
}

// renderer
var renderer = new THREE.WebGLRenderer();
renderer.setSize(window.innerWidth, window.innerHeight);
document.body.appendChild(renderer.domElement);

// camera
var camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 1, 1000);
camera.position.z = 500;

// scene
var scene = new THREE.Scene();

// material
var material = new THREE.MeshLambertMaterial({
map: THREE.ImageUtils.loadTexture('crate.jpg')
});

// cube
var cube = new THREE.Mesh(new THREE.CubeGeometry(200, 200, 200), material);
cube.overdraw = true;
cube.rotation.x = Math.PI * 0.1;
scene.add(cube);

// add subtle ambient lighting
var ambientLight = new THREE.AmbientLight(0xbbbbbb);
scene.add(ambientLight);

// directional lighting
var directionalLight = new THREE.DirectionalLight(0xffffff);
directionalLight.position.set(1, 1, 1).normalize();
scene.add(directionalLight);

// start animation
animate();
</script>
</body>
</html>

我使用本指南来做到这一点: http://www.html5canvastutorials.com/three/html5-canvas-webgl-texture-with-three-js/

最佳答案

这可能是因为 MeshLambertMaterial 需要环境光,您有环境光,但可能设置不正确。尝试使用 MeshBasicMaterial 代替。

关于Three.js 立方体黑色但我添加了纹理?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/18633657/

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