mirror of
https://github.com/pissang/claygl.git
synced 2026-01-18 16:22:29 +00:00
87 lines
2.5 KiB
HTML
87 lines
2.5 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 id="main"></canvas>
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<script>
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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 camera = new clay.camera.Perspective();
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camera.aspect = renderer.getViewportAspect();
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camera.position.z = 10;
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var scene = new clay.Scene();
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var cubeGeo = new clay.geometry.Cube();
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for (var i = 0; i < 5; i++) {
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for (var j = 0; j < 5; j++) {
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var material = new clay.Material({
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shader: clay.shader.library.get('clay.lambert')
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});
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material.set('color', [Math.random(), Math.random(), Math.random()]);
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var mesh = new clay.Mesh({
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material: material,
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geometry: cubeGeo
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});
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mesh.position.set(Math.random() * 10 - 5, Math.random() * 10 - 5, Math.random() * -10);
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scene.add(mesh);
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}
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}
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var light = new clay.light.Directional();
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light.position.set(4, 4, 0);
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light.lookAt(clay.Vector3.ZERO);
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scene.add(light);
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scene.add(
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new clay.light.Ambient({
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intensity: 0.5
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})
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);
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var picking = new clay.picking.RayPicking({
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renderer: renderer,
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scene: scene,
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camera: camera
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});
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var timeline = new clay.Timeline();
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timeline.start();
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timeline.on('frame', function () {
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renderer.render(scene, camera);
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});
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var currentCube;
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var point;
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var offset = new clay.Vector3();
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var plane = new clay.Plane();
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renderer.canvas.addEventListener('mousedown', function (e) {
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var res = picking.pick(e.offsetX, e.offsetY);
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if (res) {
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currentCube = res.target;
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point = res.pointWorld;
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offset.copy(res.point);
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}
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});
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renderer.canvas.addEventListener('mousemove', function (e) {
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if (currentCube) {
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plane.normal.copy(camera.worldTransform.z);
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plane.distance = point.dot(plane.normal);
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var ndc = renderer.screenToNDC(e.offsetX, e.offsetY);
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var ray = camera.castRay(ndc);
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ray.intersectPlane(plane, currentCube.position);
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currentCube.position.sub(offset);
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}
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});
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renderer.canvas.addEventListener('mouseup', function (e) {
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currentCube = null;
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});
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</script>
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</body>
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</html>
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