Question

我在我的Three.js画布中插入了一个天空盒，如下所示：

// SkyBox
var urls = [
    themePath + 'assets/img/sky/pos-x.jpg',
    themePath + 'assets/img/sky/neg-x.jpg',
    themePath + 'assets/img/sky/pos-y.jpg',
    themePath + 'assets/img/sky/neg-y.jpg',
    themePath + 'assets/img/sky/pos-z.jpg',
    themePath + 'assets/img/sky/neg-z.jpg'
]
window.cubemap = THREE.ImageUtils.loadTextureCube(urls);
cubemap.format = THREE.RGBFormat;
window.shader = THREE.ShaderLib['cube']; 
shader.uniforms['tCube'].value = cubemap; 

window.skyBoxMaterial = new THREE.ShaderMaterial( {
    fragmentShader: shader.fragmentShader,
    vertexShader: shader.vertexShader,
    uniforms: shader.uniforms,
    depthWrite: false,
    side: THREE.BackSide
});

window.skybox = new THREE.Mesh(
    new THREE.BoxGeometry(1000, 1000, 1000),
    skyBoxMaterial
);

skybox.position.set(0, 200, 0);

scene.add(skybox);

我的问题是图像根本没有加载或完全加载，具体取决于浏览器。

在Chrome上，它们几乎总是被加载（有时一张脸没有加载）。在Firefox上，他们几乎从未第一次加载（我得到黑色背景）。我试图添加一个settimer来等待一个完整的加载，但它不会改变任何东西。它们似乎已加载或未加载或部分加载，但无需等待。

我做错了什么吗？是否有特定格式的图像？

Answer 1

事实上非常容易。＆＃39; loadTextureCube＆＃39;有一个回调函数。代码必须更改为：

var urls = [
    themePath + 'assets/img/sky/pos-x.jpg',
    themePath + 'assets/img/sky/neg-x.jpg',
    themePath + 'assets/img/sky/pos-y.jpg',
    themePath + 'assets/img/sky/neg-y.jpg',
    themePath + 'assets/img/sky/pos-z.jpg',
    themePath + 'assets/img/sky/neg-z.jpg'
]
window.cubemap = THREE.ImageUtils.loadTextureCube(urls, undefined, function() { 

    cubemap.format = THREE.RGBFormat;
    window.shader = THREE.ShaderLib['cube']; 
    shader.uniforms['tCube'].value = cubemap; 

    window.skyBoxMaterial = new THREE.ShaderMaterial( {
        fragmentShader: shader.fragmentShader,
        vertexShader: shader.vertexShader,
        uniforms: shader.uniforms,
        depthWrite: false,
        side: THREE.BackSide
    });

    window.skybox = new THREE.Mesh(
        new THREE.BoxGeometry(1000, 1000, 1000),
        skyBoxMaterial
    );

    skybox.position.set(0, 200, 0);

    scene.add(skybox);

});

Three.js skybox没有完全加载或根本没有加载

1 个答案: