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116 lines
2.9 KiB
116 lines
2.9 KiB
<!-- Licensed under a BSD license. See license.html for license -->
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes">
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<title>Three.js - Debug - HTML Elements</title>
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<style>
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html, body {
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height: 100%;
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margin: 0;
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}
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#c {
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width: 100%;
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height: 100%;
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display: block;
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}
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#debug {
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position: absolute;
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left: 1em;
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top: 1em;
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padding: 1em;
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background: rgba(0, 0, 0, 0.9);
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color: white;
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font-family: monospace;
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}
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</style>
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</head>
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<body>
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<canvas id="c"></canvas>
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<div id="debug">
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<div>x:<span id="x"></span></div>
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<div>y:<span id="y"></span></div>
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<div>z:<span id="z"></span></div>
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</div>
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</body>
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<!-- Import maps polyfill -->
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<!-- Remove this when import maps will be widely supported -->
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<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
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<script type="importmap">
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{
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"imports": {
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"three": "../../build/three.module.js"
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}
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}
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</script>
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<script type="module">
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import * as THREE from 'three';
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function main() {
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const canvas = document.querySelector('#c');
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const renderer = new THREE.WebGLRenderer({canvas});
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const fov = 75;
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const aspect = 2; // the canvas default
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const near = 0.1;
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const far = 50;
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const camera = new THREE.PerspectiveCamera(fov, aspect, near, far);
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camera.position.z = 20;
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const scene = new THREE.Scene();
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scene.background = new THREE.Color('red');
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const geometry = new THREE.SphereGeometry();
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const material = new THREE.MeshBasicMaterial({color: 'yellow'});
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const mesh = new THREE.Mesh(geometry, material);
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scene.add(mesh);
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function resizeRendererToDisplaySize(renderer) {
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const canvas = renderer.domElement;
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const width = canvas.clientWidth;
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const height = canvas.clientHeight;
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const needResize = canvas.width !== width || canvas.height !== height;
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if (needResize) {
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renderer.setSize(width, height, false);
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}
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return needResize;
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}
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const xElem = document.querySelector('#x');
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const yElem = document.querySelector('#y');
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const zElem = document.querySelector('#z');
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function render(time) {
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time *= 0.001; // convert to seconds
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if (resizeRendererToDisplaySize(renderer)) {
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const canvas = renderer.domElement;
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camera.aspect = canvas.clientWidth / canvas.clientHeight;
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camera.updateProjectionMatrix();
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}
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mesh.position.set(
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Math.sin(time * 1.2) * 5,
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Math.sin(time * 1.1) * 5,
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Math.sin(time * 1.3) * 10,
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);
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xElem.textContent = mesh.position.x.toFixed(3);
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yElem.textContent = mesh.position.y.toFixed(3);
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zElem.textContent = mesh.position.z.toFixed(3);
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renderer.render(scene, camera);
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requestAnimationFrame(render);
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}
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requestAnimationFrame(render);
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}
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main();
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</script>
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</html>
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