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150 lines
3.7 KiB
150 lines
3.7 KiB
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js - water flow map</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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<link type="text/css" rel="stylesheet" href="main.css">
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</head>
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<body>
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<div id="container"></div>
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<div id="info">
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<a href="https://threejs.org" target="_blank" rel="noopener noreferrer">three.js</a> - water flow map
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</div>
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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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"three/addons/": "./jsm/"
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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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import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
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import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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import { Water } from 'three/addons/objects/Water2.js';
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let scene, camera, renderer, water;
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init();
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animate();
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function init() {
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// scene
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scene = new THREE.Scene();
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// camera
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camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.1, 200 );
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camera.position.set( 0, 25, 0 );
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camera.lookAt( scene.position );
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// ground
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const groundGeometry = new THREE.PlaneGeometry( 20, 20, 10, 10 );
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const groundMaterial = new THREE.MeshBasicMaterial( { color: 0xcccccc } );
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const ground = new THREE.Mesh( groundGeometry, groundMaterial );
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ground.rotation.x = Math.PI * - 0.5;
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scene.add( ground );
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const textureLoader = new THREE.TextureLoader();
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textureLoader.load( 'textures/floors/FloorsCheckerboard_S_Diffuse.jpg', function ( map ) {
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map.wrapS = THREE.RepeatWrapping;
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map.wrapT = THREE.RepeatWrapping;
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map.anisotropy = 16;
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map.repeat.set( 4, 4 );
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groundMaterial.map = map;
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groundMaterial.needsUpdate = true;
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} );
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// water
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const waterGeometry = new THREE.PlaneGeometry( 20, 20 );
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const flowMap = textureLoader.load( 'textures/water/Water_1_M_Flow.jpg' );
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water = new Water( waterGeometry, {
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scale: 2,
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textureWidth: 1024,
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textureHeight: 1024,
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flowMap: flowMap
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} );
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water.position.y = 1;
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water.rotation.x = Math.PI * - 0.5;
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scene.add( water );
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// flow map helper
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const helperGeometry = new THREE.PlaneGeometry( 20, 20 );
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const helperMaterial = new THREE.MeshBasicMaterial( { map: flowMap } );
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const helper = new THREE.Mesh( helperGeometry, helperMaterial );
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helper.position.y = 1.01;
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helper.rotation.x = Math.PI * - 0.5;
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helper.visible = false;
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scene.add( helper );
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// renderer
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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renderer.setSize( window.innerWidth, window.innerHeight );
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renderer.setPixelRatio( window.devicePixelRatio );
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document.body.appendChild( renderer.domElement );
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//
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const gui = new GUI();
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gui.add( helper, 'visible' ).name( 'Show Flow Map' );
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gui.open();
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//
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const controls = new OrbitControls( camera, renderer.domElement );
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controls.minDistance = 5;
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controls.maxDistance = 50;
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//
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window.addEventListener( 'resize', onWindowResize );
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}
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function onWindowResize() {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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}
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function animate() {
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requestAnimationFrame( animate );
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render();
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}
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function render() {
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renderer.render( scene, camera );
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}
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</script>
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</body>
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</html>
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