141 lines
3.0 KiB
HTML
141 lines
3.0 KiB
HTML
<!doctype html>
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<html>
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<head>
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<style>
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html, body
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{
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margin:0;
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}
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canvas
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{
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position:absolute;
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top:0;
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left:0;
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display:block;
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width:100%;
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height:100%;
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}
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</style>
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</head>
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<body>
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<canvas></canvas>
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<script type="module">
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import * as T from 'http://esm.sh/three';
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import { OrbitControls } from 'http://esm.sh/three/examples/jsm/controls/OrbitControls.js';
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import { Region, Kernel } from "./region.js";
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const renderer = new T.WebGLRenderer({canvas:document.querySelector("canvas")});
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const scene = new T.Scene();
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const camera = new T.PerspectiveCamera(80, 2, 0.1, 10);
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const light = new T.DirectionalLight(0xFFFFFF, 1);
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const geometry = new T.BoxGeometry(0.8, 0.8, 0.8);
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const shader = new T.MeshPhongMaterial({color:0xFFCC00});
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const shaderBlue = new T.MeshPhongMaterial({color:0x0033FF});
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const object = new T.Mesh(geometry, shader);
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const controls = new OrbitControls(camera, renderer.domElement);
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controls.update();
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scene.add(light);
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scene.add(object);
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scene.add(new T.GridHelper(10, 10));
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const geoBuff = new T.BufferGeometry();
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geoBuff.setAttribute("position", new T.BufferAttribute(new Float32Array(
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[
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0, 0, 0,
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1, 0, 0,
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1, 1, 0,
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0, 1, 0,
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2, 0, 1,
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2, 1, 1
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]
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), 3));
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geoBuff.setIndex(
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[
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0, 1, 2,
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2, 3, 0,
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1, 4, 5,
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5, 2, 1
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]
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);
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geoBuff.computeVertexNormals();
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const geoObj = new T.Mesh(geoBuff, shader);
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shader.shading = T.FlatShading;
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scene.add(geoObj);
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/*
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let r = Region.Create();
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let filler = (x, y, z) =>
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{
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r.Voxels[Region.CoordsToIndex(x, y, z)] = true;
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};
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filler(1, 1, 1);
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Kernel.Loop(Kernel.Corners, [1, 1, 1], filler);
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Kernel.Loop(Kernel.Cardinal, [1, 1, 1], filler);
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Region.Update(r);
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r.Filled.forEach((inIndexMap) =>
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{
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let coords = Region.IndexToCoords(inIndexMap);
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let cube = new T.Mesh(geometry, shader);
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cube.position.set(...coords);
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scene.add(cube);
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});
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r.Surface.forEach((inIndexMap) =>
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{
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let coords = Region.IndexToCoords(inIndexMap);
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let cube = new T.Mesh(geometry, shaderBlue);
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cube.position.set(...coords);
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scene.add(cube);
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});
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*/
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light.position.set(-1, 2, 4);
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camera.position.set(0, 0, 2);
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let dirty = false;
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const update = inTime =>
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{
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let timeNew = new Date();
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let timeDelta = timeNew - inTime;
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let delta = timeDelta * 0.001;
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object.rotation.x += delta;
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controls.update();
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dirty = true;
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setTimeout(()=>update(timeNew), 100);
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}
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const render = inTime =>
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{
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if(dirty)
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{
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renderer.render(scene, camera);
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dirty = false;
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}
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requestAnimationFrame(render);
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}
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const resize = () =>
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{
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let canvas = renderer.domElement;
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camera.aspect = canvas.clientWidth / canvas.clientHeight;
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camera.updateProjectionMatrix();
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renderer.setSize(canvas.clientWidth, canvas.clientHeight, false);
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};
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window.addEventListener("resize", resize);
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resize();
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render(0);
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update(new Date());
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</script>
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</body>
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</html> |