<!doctype html>
<html>
<head>
<meta charset="utf-8"/>
<title>Three.js 3D风雪封印在棱镜中的梅花鹿</title>
<style>
html,
body {
width: 100%;
height: 100vh;
margin: 0;
padding: 0;
background: #3498DB;
/* Old browsers */
background: -moz-linear-gradient(top, #3498DB 0%, #FDA5D2 100%);
/* FF3.6-15 */
background: -webkit-linear-gradient(top, #3498DB 0%, #FDA5D2 100%);
/* Chrome10-25,Safari5.1-6 */
background: linear-gradient(to bottom, #3498DB 0%, #FDA5D2 100%);
/* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
filter: progid: DXImageTransform.Microsoft.gradient( startColorstr='#3498DB', endColorstr='#FDA5D2', GradientType=0);
/* IE6-9 */
}
div {
position: absolute;
margin: 0px;
padding: 0;
width: 100%;
}
</style>
</head>
<body>
<script src="js/three.r73.js"></script>
<div id="canvas"></div>
<script src="js/STLLoader.js"></script>
<script>
var renderer, scene, camera, composer, controls, triangle, particle;
window.onload = function() {
init();
animate();
}
function init() {
renderer = new THREE.WebGLRenderer({
antialias: true,
alpha: true
});
renderer.setPixelRatio((window.devicePixelRatio) ? window.devicePixelRatio : 1);
renderer.setSize(window.innerWidth, window.innerHeight);
renderer.autoClear = false;
renderer.setClearColor(0x000000, 0.0);
document.getElementById('canvas').appendChild(renderer.domElement);
scene = new THREE.Scene();
camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 1, 1000);
camera.position.z = 400;
scene.add(camera);
triangle = new THREE.Object3D();
particle = new THREE.Object3D();
scene.add(triangle);
scene.add(particle);
var geom_particle = new THREE.IcosahedronGeometry(2, 1);
var geom_triangle = new THREE.TetrahedronGeometry(16, 0);
var mat_particle = new THREE.MeshPhongMaterial({
color: 0xffffff,
shading: THREE.FlatShading
});
var mat_triangle = new THREE.MeshPhongMaterial({
color: 0xffffff,
wireframe: true,
side: THREE.DoubleSide
});
for (var i = 0; i < 1000; i++) {
var mesh_particle = new THREE.Mesh(geom_particle, mat_particle);
mesh_particle.position.set(Math.random() - 0.5, Math.random() - 0.5, Math.random() - 0.5).normalize();
mesh_particle.position.multiplyScalar(90 + (Math.random() * 700));
mesh_particle.rotation.set(Math.random() * 2, Math.random() * 2, Math.random() * 2);
particle.add(mesh_particle);
}
var mesh_triangle = new THREE.Mesh(geom_triangle, mat_triangle);
mesh_triangle.scale.x = mesh_triangle.scale.y = mesh_triangle.scale.z = 10;
triangle.add(mesh_triangle);
var ambientLight = new THREE.AmbientLight(0x999999);
scene.add(ambientLight);
var lights = [];
lights[0] = new THREE.DirectionalLight(0xffffff, 1);
lights[0].position.set(1, 0, 0);
lights[1] = new THREE.DirectionalLight(0x3498DB, 1);
lights[1].position.set(0.75, 1, 0.5);
lights[2] = new THREE.DirectionalLight(0xFDA5D2, 1);
lights[2].position.set(-0.75, -1, 0.5);
scene.add(lights[0]);
scene.add(lights[1]);
scene.add(lights[2]);
window.addEventListener('resize', onWindowResize, false);
};
var manager = new THREE.LoadingManager();
manager.onProgress = function(item, loaded, total) {
console.log(item, loaded, total);
};
var onProgress = function(xhr) {
if (xhr.lengthComputable) {
var percentComplete = xhr.loaded / xhr.total * 100;
console.log(Math.round(percentComplete, 2) + '% downloaded');
}
};
var onError = function(xhr) {};
var loader = new THREE.STLLoader(manager);
loader.load('img/deer.stl', function(geometry) {
var material = new THREE.MeshPhongMaterial({
color: 0x999999,
specular: 0x111111,
shininess: 200
});
var mesh = new THREE.Mesh(geometry, material);
mesh.position.set(0, -60, 0);
mesh.rotation.set(-Math.PI / 2, 0, 20);
mesh.scale.set(30, 30, 30);
mesh.castShadow = true;
mesh.receiveShadow = true;
scene.add(mesh);
});
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize(window.innerWidth, window.innerHeight);
}
function animate() {
requestAnimationFrame(animate);
particle.rotation.x += 0.0000;
particle.rotation.y -= 0.0040;
triangle.rotation.x += 0.0020;
triangle.rotation.y += 0.0020;
renderer.clear();
renderer.render(scene, camera)
};
</script>
</body>
</html>
