旋转球体纹理Three.js

时间:2013-07-10 18:08:42

标签: javascript three.js

我通过three.js渲染一个球体,当我应用纹理时,它的效果很好。 然而,我用来制作标记的等式不是我可以玩的东西。 如何在球体上旋转纹理,以便根据标记位置对齐图像?特别是在x方向。

问题......标记应该在日本鹿儿岛和中国香港Markers should be over Kagoshima, Japan and Hong Kong, China

之上

应该......而且不,我没有解决它......这应该是现在的样子No I did not solve it...this is what it should look like not how it is now

var geometry = new THREE.SphereGeometry(200, 40, 30);

    shader = Shaders['earth'];
    uniforms = THREE.UniformsUtils.clone(shader.uniforms);

    uniforms['texture'].texture = THREE.ImageUtils.loadTexture('/images/world5.png');
    texture.wrapS = THREE.RepeatWrapping; // This causes globe not to load
    texture.offset.x = radians / ( 2 * Math.PI ); // causes globe not to load
    material = new THREE.MeshShaderMaterial({

          uniforms: uniforms,
          vertexShader: shader.vertexShader,
          fragmentShader: shader.fragmentShader

        });
    mesh = new THREE.Mesh(geometry, material);
    mesh.matrixAutoUpdate = false;
    scene.addObject(mesh);

2 个答案:

答案 0 :(得分:1)

要将纹理移动一定数量的radians经度,请使用以下模式:

texture.wrapS = THREE.RepeatWrapping; // You do not need to set `.wrapT` in this case

texture.offset.x = radians / ( 2 * Math.PI );

three.js r.58

答案 1 :(得分:1)

要移动纹理,请查看this question,这是另一个对我有用的解决方案。

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