Javascript 为什么我的three.js lighting不工作?
根据文档和一些示例等,我不知道这个fiddle()有什么问题,灯应该是工作的Javascript 为什么我的three.js lighting不工作?,javascript,three.js,light,Javascript,Three.js,Light,根据文档和一些示例等,我不知道这个fiddle()有什么问题,灯应该是工作的 var camera, scene, renderer, geometry, material, mesh, light1; init(); animate(); function init() { scene = new THREE.Scene(); camera = new THREE.PerspectiveCamera(50, window.innerWidth / window.inne
var camera, scene, renderer, geometry, material, mesh, light1;
init();
animate();
function init() {
scene = new THREE.Scene();
camera = new THREE.PerspectiveCamera(50, window.innerWidth / window.innerHeight, 1, 10000);
camera.position.z = 500;
scene.add(camera);
geometry = new THREE.CubeGeometry(200, 200, 200);
material = new THREE.MeshPhongMaterial( { ambient: 0x555555, color: 0x555555, specular: 0xffffff, shininess: 50, shading: THREE.SmoothShading } );
mesh = new THREE.Mesh(geometry, material);
scene.add(mesh);
scene.add( new THREE.AmbientLight( 0x000000 ) );
light1 = new THREE.PointLight( 0xff0040, 2, 50 );
scene.add( light1 );
renderer = new THREE.WebGLRenderer();
renderer.setSize(window.innerWidth, window.innerHeight);
document.body.appendChild(renderer.domElement);
}
function animate() {
requestAnimationFrame(animate);
render();
}
function render() {
var time = Date.now() * 0.0005;
mesh.rotation.x += 0.01;
mesh.rotation.y += 0.02;
light1.position.x = Math.sin( time * 0.7 ) * 30;
light1.position.y = Math.cos( time * 0.5 ) * 40;
light1.position.z = Math.cos( time * 0.3 ) * 30;
renderer.render(scene, camera);
}
我觉得您误解了PointLight()参数的含义。第三个参数是光的强度实际上为零的距离。因此,将这些行添加到
init()
中:
另外,从render()
例程中删除light1.position的更新,直到确保它符合您的想法为止
light1 = new THREE.PointLight( 0xff0040, 1, 5000 );
light1.position.set( 500, 500, 500 );