我想在 THREE.js 中创建一个 SkyBox，已经找到了一些如何创建它的技巧，但它不起作用。我尝试了所有这些但没有任何效果。文件路径和图像路径是正确的。
有人能解释一下代码有什么问题以及为什么天空盒没有出现吗？
<!DOCTYPE html>
<html lang="en">
<head>
<title>Earth</title>
<meta charset="utf-8">
<style>
body {
margin: 0px;
background-color: #000000;
overflow: hidden;
}
</style>
</head>
<body>
<script src="../js/three.min.js"></script>
<script>
var camera, scene, renderer;
var mirrorCube, mirrorCubeCamera; // for mirror material
var mirrorSphere, mirrorSphereCamera; // for mirror material
init();
animate();
function init() {
renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
scene = new THREE.Scene();
camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 1000 );
scene.add(camera);
camera.position.set(0,150,400);
camera.lookAt(scene.position);
var sides = ['px.jpg', 'nx.jpg', 'py.jpg', 'ny.jpg', 'pz.jpg', 'nz.jpg'];
var scCube = THREE.ImageUtils.loadTexture(sides);
scCube.format = THREE.RGBFormat;
var skyShader = THREE.ShaderLib["cube"];
skyShader.uniform["tCube"].value = scCube;
var skyMaterial = new THREE.ShaderMaterial( {
fragmentShader: skyShader.fragmentShader, vertexShader: skyShader.vertexShader,
uniforms: skyShader.uniforms, depthWrite: false, side: THREE.BackSide
});
var skyBox = new THREE.Mesh(new THREE.CubeGeometry(500, 500, 500), skyMaterial);
skyMaterial.needsUpdate = true;
scene.add(skyBox);
}
function render()
{
mirrorSphere.visible = false;
mirrorSphereCamera.updateCubeMap( renderer, scene );
mirrorSphere.visible = true;
renderer.render( scene, camera );
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
function animate() {
requestAnimationFrame( animate );
render();
renderer.render( scene, camera );
}
</script>
</body>
</html>
最佳答案
您似乎缺少渲染环境贴图的相机以及带有环境贴图的球体。
// Create the enviroment map camera
mirrorSphereCamera = new THREE.CubeCamera( 0.1, 150000, 512 );
mirrorSphereCamera.renderTarget.minFilter = THREE.LinearMipMapLinearFilter;
scene.add( mirrorSphereCamera );
// Sphere material
var mirrorSphereMaterial = new THREE.MeshBasicMaterial({
envMap: mirrorSphereCamera.renderTarget
});
// Sphere geometry
mirrorSphere = new THREE.Mesh( sphereGeom, mirrorSphereMaterial );
mirrorSphere.position.set( 1000, 1000, 0 );
mirrorSphereCamera.position = mirrorSphere.position;
scene.add(mirrorSphere);
关于javascript - 三.js天空盒，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/30615378/