目标 :
创意 :
预期输出 :
获得输出 :
截图:
问题 :
附代码 :
.......
.......
function getReflectiveFloorMesh(floorMesh) {
var WIDTH = window.innerWidth;
var HEIGHT = window.innerHeight;
floorMirror = new THREE.Mirror( renderer, firstPerson.camera,
{ clipBias: 0.003,
textureWidth: WIDTH,
textureHeight: HEIGHT,
color: 0x889999 } );
var mirrorMesh = floorMesh.clone();
mirrorMesh.position.y -= 10; // Placing the mirror just below the actual translucent floor; Fixme: To be tuned
mirrorMesh.material = floorMirror.material;
mirrorMesh.material.side = THREE.BackSide; // Fixme: Normals were flipped. How to decide on normals?
mirrorMesh.material.needsUpdate = true;
mirrorMesh.add(floorMirror);
return mirrorMesh;
}
function getSkybox() {
var urlPrefix = "/img/skybox/sunset/";
var urls = [urlPrefix + "px.png", urlPrefix + "nx.png",
urlPrefix + "py.png", urlPrefix + "ny.png",
urlPrefix + "pz.png", urlPrefix + "nz.png"];
var textureCube = THREE.ImageUtils.loadTextureCube(urls);
// init the cube shadder
var shader = THREE.ShaderLib["cube"];
shader.uniforms["tCube"].value = textureCube;
var material = new THREE.ShaderMaterial({
fragmentShader: shader.fragmentShader,
vertexShader: shader.vertexShader,
uniforms: shader.uniforms,
side: THREE.BackSide
});
// build the skybox Mesh
var skyboxMesh = new THREE.Mesh(new THREE.CubeGeometry(10000, 10000, 10000, 1, 1, 1, null, true), material);
return skyboxMesh;
}
function setupScene(model, floor) {
scene.add(model); // Adding the house which contains translucent floor
scene.add(getSkybox()); // Adding Skybox
scene.add(getReflectiveFloorMesh(floor)); // Adds mirror just below floor
scope.animate();
}
....
....
this.animate = function () {
// Render the mirrors
if(floorMirror)
floorMirror.render();
renderer.render(scene, firstPerson.camera);
};
最佳答案
您必须将镜子附加到网格 之前 做任何改造。
所以代码将是:
floorMirror = new THREE.Mirror( ... );
var mirrorMesh = floorMesh.clone();
mirrorMesh.add(floorMirror); // attach first!
mirrorMesh.position.y -= 10;
...
但这里的另一个问题是您正在克隆
mirrorMesh
来自 floorMesh
,它已经(可能)被转换了。在创建时,镜像对象与具有平面几何体(默认为“垂直”)的常规网格具有相同的默认变换矩阵。
当您将镜子连接到地板(或任何水平网格)时,矩阵与网格不匹配,这就是为什么您看不到反射,或者只能从某个角度看到反射。
因此,始终将镜子连接到 非变形平面网格 , 在应用转换(平移或旋转)之前。
关于reflection - 三个 js 镜像没有反射(reflect)所有网格,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/29887628/