2019-07-22 07:52:06 +08:00

196 lines
7.5 KiB
HTML

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>raytracing</title>
<script src="../../assets/js/three.js"></script>
<script src="../../assets/js/renderers/RaytracingRenderer.js"></script>
</head>
<body>
<script>
var WORKERS = 4;
var camera, scene, renderer;
var group;
init();
render();
function initScene(width, height) {
camera = new THREE.PerspectiveCamera(60, width / height, 1, 1000);
camera.position.z = 600;
scene = new THREE.Scene();
scene.background = new THREE.Color(0xf0f0f0);
// materials
var phongMaterial = new THREE.MeshPhongMaterial({
color: 0xffffff,
specular: 0x222222,
shininess: 150,
vertexColors: THREE.NoColors,
flatShading: false
});
var phongMaterialBox = new THREE.MeshPhongMaterial({
color: 0xffffff,
specular: 0x111111,
shininess: 100,
vertexColors: THREE.NoColors,
flatShading: true
});
var phongMaterialBoxBottom = new THREE.MeshPhongMaterial({
color: 0x666666,
specular: 0x111111,
shininess: 100,
vertexColors: THREE.NoColors,
flatShading: true
});
var phongMaterialBoxLeft = new THREE.MeshPhongMaterial({
color: 0x990000,
specular: 0x111111,
shininess: 100,
vertexColors: THREE.NoColors,
flatShading: true
});
var phongMaterialBoxRight = new THREE.MeshPhongMaterial({
color: 0x0066ff,
specular: 0x111111,
shininess: 100,
vertexColors: THREE.NoColors,
flatShading: true
});
var mirrorMaterialFlat = new THREE.MeshPhongMaterial({
color: 0x000000,
specular: 0xff8888,
shininess: 10000,
vertexColors: THREE.NoColors,
flatShading: true
});
mirrorMaterialFlat.mirror = true;
mirrorMaterialFlat.reflectivity = 1;
var mirrorMaterialFlatDark = new THREE.MeshPhongMaterial({
color: 0x000000,
specular: 0xaaaaaa,
shininess: 10000,
vertexColors: THREE.NoColors,
flatShading: true
});
mirrorMaterialFlatDark.mirror = true;
mirrorMaterialFlatDark.reflectivity = 1;
var mirrorMaterialSmooth = new THREE.MeshPhongMaterial({
color: 0xffaa00,
specular: 0x222222,
shininess: 10000,
vertexColors: THREE.NoColors,
flatShading: false
});
mirrorMaterialSmooth.mirror = true;
mirrorMaterialSmooth.reflectivity = 0.3;
var glassMaterialFlat = new THREE.MeshPhongMaterial({
color: 0x000000,
specular: 0x00ff00,
shininess: 10000,
vertexColors: THREE.NoColors,
flatShading: true
});
glassMaterialFlat.glass = true;
glassMaterialFlat.reflectivity = 0.5;
var glassMaterialSmooth = new THREE.MeshPhongMaterial({
color: 0x000000,
specular: 0xffaa55,
shininess: 10000,
vertexColors: THREE.NoColors,
flatShading: false
});
glassMaterialSmooth.glass = true;
glassMaterialSmooth.reflectivity = 0.25;
glassMaterialSmooth.refractionRatio = 0.6;
//
group = new THREE.Group();
scene.add(group);
// geometries
var sphereGeometry = new THREE.SphereBufferGeometry(100, 16, 8);
var planeGeometry = new THREE.BoxBufferGeometry(600, 5, 600);
var boxGeometry = new THREE.BoxBufferGeometry(100, 100, 100);
// Sphere
var sphere = new THREE.Mesh(sphereGeometry, phongMaterial);
sphere.scale.multiplyScalar(0.5);
sphere.position.set(- 50, - 250 + 5, - 50);
group.add(sphere);
var sphere2 = new THREE.Mesh(sphereGeometry, mirrorMaterialSmooth);
sphere2.scale.multiplyScalar(0.5);
sphere2.position.set(175, - 250 + 5, - 150);
group.add(sphere2);
// Box
var box = new THREE.Mesh(boxGeometry, mirrorMaterialFlat);
box.position.set(- 175, - 250 + 2.5, - 150);
box.rotation.y = 0.5;
group.add(box);
// Glass
var glass = new THREE.Mesh(sphereGeometry, glassMaterialSmooth);
glass.scale.multiplyScalar(0.5);
glass.position.set(75, - 250 + 5, - 75);
glass.rotation.y = 0.5;
scene.add(glass);
// bottom
var plane = new THREE.Mesh(planeGeometry, phongMaterialBoxBottom);
plane.position.set(0, - 300 + 2.5, - 300);
scene.add(plane);
// top
var plane = new THREE.Mesh(planeGeometry, phongMaterialBox);
plane.position.set(0, 300 - 2.5, - 300);
scene.add(plane);
// back
var plane = new THREE.Mesh(planeGeometry, phongMaterialBox);
plane.rotation.x = 1.57;
plane.position.set(0, 0, - 300);
scene.add(plane);
var plane = new THREE.Mesh(planeGeometry, mirrorMaterialFlatDark);
plane.rotation.x = 1.57;
plane.position.set(0, 0, - 300 + 10);
plane.scale.multiplyScalar(0.85);
scene.add(plane);
// left
var plane = new THREE.Mesh(planeGeometry, phongMaterialBoxLeft);
plane.rotation.z = 1.57;
plane.position.set(- 300, 0, - 300);
scene.add(plane);
// right
var plane = new THREE.Mesh(planeGeometry, phongMaterialBoxRight);
plane.rotation.z = 1.57;
plane.position.set(300, 0, - 300);
scene.add(plane);
// light
var intensity = 70000;
var light = new THREE.PointLight(0xffaa55, intensity);
light.position.set(- 200, 100, 100);
light.physicalAttenuation = true;
scene.add(light);
var light = new THREE.PointLight(0x55aaff, intensity);
light.position.set(200, 100, 100);
light.physicalAttenuation = true;
scene.add(light);
var light = new THREE.PointLight(0xffffff, intensity * 1.5);
light.position.set(0, 0, 300);
light.physicalAttenuation = true;
scene.add(light);
}
function init() {
initScene(window.innerWidth, window.innerHeight);
//
renderer = new THREE.RaytracingRenderer({
workers: WORKERS,
workerPath: '../../assets/js/renderers/RaytracingWorker.js',
randomize: true,
blockSize: 64
});
renderer.setWorkers(WORKERS);
renderer.setSize(window.innerWidth, window.innerHeight);
document.body.appendChild(renderer.domElement);
}
function render() {
renderer.render(scene, camera);
}
</script>
</body>
</html>