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123 lines
2.7 KiB
HTML
123 lines
2.7 KiB
HTML
2 months ago
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<!-- 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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<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( { antialias: true, 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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