three+SimplexNoise实现三维山脉沙盘流体流动动画效果代码-html代码-BFW代码库

three+SimplexNoise实现三维山脉沙盘流体流动动画效果代码

代码语言：html

所属分类：三维

代码描述：three+SimplexNoise实现三维山脉沙盘流体流动动画效果代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="en" >

<head>
  <meta charset="UTF-8">
  

  
  
  
<style>
body {
  overflow: hidden;
  margin: 0;
}
</style>


  
  
</head>

<body >
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/es-module-shims.1.6.2.js"></script>
  <script type="importmap">
  {
    "imports": {
      "three": "//repo.bfw.wiki/bfwrepo/js/module/three/build/155/three.module.js",
      "three/addons/": "//repo.bfw.wiki/bfwrepo/js/module/three/examples/155/jsm/"
    }
  }
</script>
  
      <script  type="module">
// https://discourse.threejs.org/t/creating-white-breezy-effect-seeking-guidance-and-insights/55552

import * as THREE from "three";
import { OrbitControls } from "three/addons/controls/OrbitControls.js";
import { SimplexNoise } from "three/addons/math/SimplexNoise.js";


// general setup, boring, skip to the next comment

console.clear( );

var scene = new THREE.Scene();
    scene.background = new THREE.Color( 'deepskyblue' );

var camera = new THREE.PerspectiveCamera( 30, innerWidth/innerHeight );
    camera.position.set( 0, 2.5, 8 );
    camera.lookAt( scene.position );

var renderer = new THREE.WebGLRenderer( {antialias: true} );
    renderer.setSize( innerWidth, innerHeight );
    renderer.setAnimationLoop( animationLoop );
    document.body.appendChild( renderer.domElement );
			
window.addEventListener( "resize", (event) => {
    camera.aspect = innerWidth/innerHeight;
    camera.updateProjectionMatrix( );
    renderer.setSize( innerWidth, innerHeight );
});

var controls = new OrbitControls( camera, renderer.domElement );
    controls.enableDamping = true;
		controls.autoRotate = true;
		controls.autoRotateSpeed = 0.5;

var light = new THREE.DirectionalLight( 'white' );
    light.position.set( 1, 1, 1 );
    scene.add( light );


// next comment


function elevation( x, y )
{
		if( x*x > 24.9 ) return -1;
		if( y*y > 24.9 ) return -1;
	
		var major = 0.6*simplex.noise( 0.1*x, 0.1*y ),
				minor = 0.2*simplex.noise( 0.3*x, 0.3*y );
	
		return major .........完整代码请登录后点击上方下载按钮下载查看