mirror of
https://github.com/pissang/claygl.git
synced 2025-12-08 21:26:11 +00:00
135 lines
4.7 KiB
HTML
135 lines
4.7 KiB
HTML
<html>
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<head>
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<meta charset="utf-8">
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<script src="../dist/claygl.js"></script>
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</head>
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<body style="margin:0px;">
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<canvas width="1200" height="640" id="main"></canvas>
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<script>
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var Shader = clay.Shader;
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var renderer = new clay.Renderer({
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canvas: document.getElementById('main'),
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devicePixelRatio: 1.0
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});
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renderer.resize(window.innerWidth, window.innerHeight);
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var scene = new clay.Scene();
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var camera = new clay.camera.Perspective({
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aspect: renderer.getViewportAspect(),
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far: 500
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});
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var shader = clay.shader.library.get('clay.basic');
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var material = new clay.Material({
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shader: shader
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});
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var texture = new clay.Texture2D({
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wrapS: clay.Texture.REPEAT,
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wrapT: clay.Texture.REPEAT,
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width: 32,
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height: 32,
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mipmaps: [
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createMipMap(32, '#000'),
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createMipMap(16, '#222'),
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createMipMap(8, '#555'),
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createMipMap(4, '#999'),
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createMipMap(2, '#aaa'),
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createMipMap(1, '#fff')
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]
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});
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var textureCube = new clay.TextureCube({
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wrapS: clay.Texture.REPEAT,
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wrapT: clay.Texture.REPEAT,
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width: 128,
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height: 128,
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mipmaps: [
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createMipMapCube(128, '#02a'),
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createMipMapCube(64, '#000'),
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createMipMapCube(32, '#000'),
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createMipMapCube(16, '#f00'),
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createMipMapCube(8, '#f0f'),
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createMipMapCube(4, '#00f'),
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createMipMapCube(2, '#0f0'),
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createMipMapCube(1, '#f00')
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]
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});
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material.set('diffuseMap', texture);
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material.set('uvRepeat', [100, 100]);
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function createMipMap(size, color) {
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var canvas = document.createElement('canvas');
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canvas.width = canvas.height = size;
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var ctx = canvas.getContext('2d');
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ctx.fillStyle = color;
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ctx.fillRect(0, 0, size, size);
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var imgData = ctx.getImageData(0, 0, canvas.width, canvas.height).data;
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return {
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pixels: new Uint8Array(imgData)
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};
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}
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function createMipMapCube(size, color) {
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var canvas = document.createElement('canvas');
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canvas.width = canvas.height = size;
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var ctx = canvas.getContext('2d');
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ctx.fillStyle = color;
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ctx.fillRect(0, 0, size, size);
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var imgData = ctx.getImageData(0, 0, canvas.width, canvas.height).data;
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return {
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pixels: ['px', 'nx', 'py', 'ny', 'pz', 'nz'].reduce(function (obj, target) {
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obj[target] = new Uint8Array(imgData);
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return obj;
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}, {})
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};
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}
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var root = new clay.Node();
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camera.position.set(0, 4, 14);
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camera.lookAt(new clay.Vector3(0, 1, 0));
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scene.add(root);
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// Add Plane
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var plane = new clay.geometry.Plane({
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widthSegments: 1,
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heightSegments: 1
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});
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var planeMesh = new clay.Mesh({
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geometry: plane,
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material: material,
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scale: new clay.Vector3(60, 60, 60)
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});
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planeMesh.position.y = -0.8;
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planeMesh.rotation.rotateX(-Math.PI/2);
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root.add(planeMesh);
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var sphereGeo = new clay.geometry.Sphere();
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var envMapMaterial = new clay.Material({
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shader: clay.shader.library.get('clay.standard')
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});
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envMapMaterial.set('reflectivity', 1.0);
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envMapMaterial.set('environmentMap', textureCube);
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for (var i = 0; i < 10; i++) {
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var sphere = new clay.Mesh({
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geometry: sphereGeo,
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material: envMapMaterial
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});
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sphere.scale.set(5, 5, 5);
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sphere.position.set(-10, 5, -i * 10);
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root.add(sphere);
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}
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var timeline = new clay.Timeline();
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timeline.on('frame', function () {
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renderer.render(scene, camera);
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});
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timeline.start();
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</script>
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</body>
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</html> |