three.js实现雨下小站

2023-12-31 04:59
文章标签 实现 js three 小站 雨下

本文主要是介绍three.js实现雨下小站，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

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<!DOCTYPE html>
<html>
<head><meta name="keywords" content="风舞红枫,前端技术,canvas"/><meta name="description" content="风舞红枫,前端技术,canvas,vue,react,node,个人博客"/><title>three.js演示</title><script type="text/javascript" src="three.js"></script><script type="text/javascript" src="OrbitControls.js"></script><style type="text/css">*{margin:0;padding:0;}canvas{display:block;}</style>
</head>
<body><div id="fwhf"></div><script type="text/javascript">window.onload = function(){class FwhfYZH{constructor(){this.init();	}init(){// 创建一个渲染器this.renderer = new THREE.WebGLRenderer({antialias: true});this.renderer.setSize(window.innerWidth,window.innerHeight);this.renderer.setClearColor('#222',1);document.getElementById("fwhf").append(this.renderer.domElement);//创建一个场景this.scene=new THREE.Scene();//创建一个相机this.camera=new THREE.PerspectiveCamera(45,window.innerWidth/window.innerHeight,0.1,1000);this.camera.position.x=80;this.camera.position.y=80;this.camera.position.z=120;this.camera.lookAt(this.scene.position);// this.help();this.umbrella(12);this.chair();this.advertisement();this.plane();this.rain();this.start();}help(){//三维辅助线var axes=new THREE.AxesHelper(40);this.scene.add(axes);}plane(){//平面var geometry = new THREE.PlaneGeometry( 80, 200, 20, 50 );var texture = new THREE.TextureLoader().load( "512-256.png" );var material = new THREE.MeshBasicMaterial( {map:texture,transparent:true,side:THREE.DoubleSide} );var plane = new THREE.Mesh( geometry, material );plane.rotation.x = -Math.PI/2;this.scene.add( plane );}rain(){//雨this.rainArr = [];this.line = [];for(var i = 0 ; i < 160 ; i++){this.rainArr[i] = [this.rand(-40,40),this.rand(2,100),this.rand(-100,100)];}this.rainArr.forEach((item,index)=>{var geometry = new THREE.Geometry();var material = new THREE.LineBasicMaterial({vertexColors:true,linecap:'round'});var color1=new THREE.Color("rgba(166,166,166)");var color2=new THREE.Color("rgba(222,222,222)");var p1=new THREE.Vector3(item[0],item[1],item[2]);var p2=new THREE.Vector3(item[0],item[1]-1,item[2]);geometry.vertices.push(p1);geometry.vertices.push(p2);geometry.colors.push(color1,color2);this.line[index]=new THREE.Line(geometry,material);this.scene.add(this.line[index]);})}rainUpdate(speed){this.line.forEach((item,index)=>{item.position.y -= speed;if(item.geometry.vertices[1].y+item.position.y <= 0){item.position.y = 100-item.geometry.vertices[1].y;item.position.x = this.rand(-40-item.geometry.vertices[1].x,40-item.geometry.vertices[1].x);item.position.z = this.rand(-100-item.geometry.vertices[1].z,100-item.geometry.vertices[1].z);}})}umbrella(copies){var geometry = new THREE.Geometry();geometry.vertices.push( new THREE.Vector3( 0,54,0 ) );for(var i = 0 ; i < copies ; i++){geometry.vertices.push(new THREE.Vector3(20*Math.sin(360/copies*i*Math.PI/180)-20*Math.cos(360/copies*i*Math.PI/180),40,20*Math.sin(360/copies*i*Math.PI/180)+20*Math.cos(360/copies*i*Math.PI/180)));}for(var i = 1 ; i <= copies ; i++){if(i == copies){geometry.faces.push( new THREE.Face3( 0, i, 1 ) );}else{geometry.faces.push( new THREE.Face3( 0, i, i+1 ) );}}geometry.computeBoundingSphere();var material = new THREE.MeshBasicMaterial({color:0xff6666,side:THREE.DoubleSide});var umbrellaGeometry = new THREE.Mesh(geometry,material);this.scene.add(umbrellaGeometry);for(var i = 1 ; i <= copies ; i++){var geometryLine = new THREE.Geometry();var material = new THREE.LineBasicMaterial({vertexColors:true,linecap:'round'});var color1=new THREE.Color("rgba(255,255,255)");var color2=new THREE.Color("rgba(222,222,222)");var p1=new THREE.Vector3(0,54,0);var p2=geometry.vertices[i];geometryLine.vertices.push(p1);geometryLine.vertices.push(p2);geometryLine.colors.push(color1,color2);var line=new THREE.Line(geometryLine,material);this.scene.add(line);}var geometry = new THREE.CylinderGeometry( 0.5, 0.5, 54, 54 );var material = new THREE.MeshBasicMaterial( {color:'#FAF9DE'} );var cylinder = new THREE.Mesh( geometry, material );cylinder.position.y += 27;this.scene.add( cylinder );var geometry2 = new THREE.CylinderGeometry( 1, 1, 4, 4 );var material2 = new THREE.MeshBasicMaterial( {color: '#FFF2E2'} );var cylinder2 = new THREE.Mesh( geometry2, material2 );cylinder2.position.y += 2;this.scene.add( cylinder2 );}chair(){var geometry = new THREE.BoxGeometry( 1, 4, 1 );var texture = new THREE.TextureLoader().load( "256-256.png" );var material = new THREE.MeshBasicMaterial( {map:texture,transparent:true,side:THREE.DoubleSide} );var box = new THREE.Mesh( geometry, material );box.position.y += 2;box.position.x += 8;box.position.z += 10;this.scene.add( box );var geometry = new THREE.BoxGeometry( 1, 4, 1 );var material = new THREE.MeshBasicMaterial( {map:texture,transparent:true,side:THREE.DoubleSide} );var box = new THREE.Mesh( geometry, material );box.position.y += 2;box.position.x += 8;box.position.z -= 10;this.scene.add( box );var geometry = new THREE.BoxGeometry( 1, 10, 21 );var material = new THREE.MeshBasicMaterial( {map:texture,transparent:true,side:THREE.DoubleSide} );var box = new THREE.Mesh( geometry, material );box.position.y += 5;box.position.x += 2;this.scene.add( box );var geometry = new THREE.BoxGeometry( 1, 1, 21);var material = new THREE.MeshBasicMaterial( {map:texture,transparent:true,side:THREE.DoubleSide} );var box = new THREE.Mesh( geometry, material );box.position.y += 4;box.position.x += 4;this.scene.add( box );var geometry = new THREE.BoxGeometry( 1, 1, 21);var material = new THREE.MeshBasicMaterial( {map:texture,transparent:true,side:THREE.DoubleSide} );var box = new THREE.Mesh( geometry, material );box.position.y += 4;box.position.x += 6;this.scene.add( box );var geometry = new THREE.BoxGeometry( 1, 1, 21);var material = new THREE.MeshBasicMaterial( {map:texture,transparent:true,side:THREE.DoubleSide} );var box = new THREE.Mesh( geometry, material );box.position.y += 4;box.position.x += 8;this.scene.add( box );var geometry = new THREE.BoxGeometry( 6, 1, 1);var material = new THREE.MeshBasicMaterial( {map:texture,transparent:true,side:THREE.DoubleSide} );var box = new THREE.Mesh( geometry, material );box.position.y += 4;box.position.x += 5.5;box.position.z += 10;this.scene.add( box );var geometry = new THREE.BoxGeometry( 6, 1, 1);var material = new THREE.MeshBasicMaterial( {map:texture,transparent:true,side:THREE.DoubleSide} );var box = new THREE.Mesh( geometry, material );box.position.y += 4;box.position.x += 5.5;box.position.z -= 10;this.scene.add( box );}advertisement(){var geometry = new THREE.BoxGeometry( 1, 28, 1);var material = new THREE.MeshBasicMaterial( {color:'pink'} );var box = new THREE.Mesh( geometry, material );box.position.y += 14;box.position.x -= 4;box.position.z -= 20;this.scene.add( box );var geometry = new THREE.BoxGeometry( 1, 28, 1);var material = new THREE.MeshBasicMaterial( {color:'pink'} );var box = new THREE.Mesh( geometry, material );box.position.y += 14;box.position.x -= 4;box.position.z += 20;this.scene.add( box );var geometry = new THREE.BoxGeometry( 1, 1, 40);var material = new THREE.MeshBasicMaterial( {color:'pink'} );var box = new THREE.Mesh( geometry, material );box.position.y += 26.5;box.position.x -= 4;this.scene.add( box );var geometry = new THREE.BoxGeometry( 1, 1, 40);var material = new THREE.MeshBasicMaterial( {color:'pink'} );var box = new THREE.Mesh( geometry, material );box.position.y += 16.5;box.position.x -= 4;this.scene.add( box );var geometry = new THREE.BoxGeometry( 0.4, 10, 40);var texture = new THREE.TextureLoader().load( "url.jpg" );var material = new THREE.MeshBasicMaterial( {map:texture,transparent:true,side:THREE.DoubleSide} );var box = new THREE.Mesh( geometry, material );box.position.y += 21.5;box.position.x -= 4;this.scene.add( box );}start(){this.controls = new THREE.OrbitControls(this.camera);this.controls.addEventListener('mousemove', this.renderer);this.controls.update();this.animate();}animate(){requestAnimationFrame( this.animate.bind(this) );this.controls.update();this.rainUpdate(1);this.renderer.render( this.scene, this.camera );}rand(n,m){var c = m - n + 1;return Math.floor(Math.random() * c + n);}}new FwhfYZH();}</script>
</body>
</html>

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