鼠标移动添加七彩泡泡效果

查看演示

实现此效果只需要两步

一. 引入js

二 . 给哪个div实现此效果（引入实现效果的js）

1 . 下载插件（下载）

2 . 在工程引入js（路径引入正确就行，不同的框架引入方式不同，我这个是Spring boo框架t的引入方式）

3.在<div id="main"></div>这个div引入泡泡功能，则要引入js , 这个js里面的getElementById("main")要对应才能实现效果

$(document).ready(function(){function Particle(x, y, radius) {this.init(x, y, radius);}Particle.prototype = {init : function(x, y, radius) {this.alive = true;this.radius = radius || 10;this.wander = 0.15;this.theta = random(TWO_PI);this.drag = 0.92;this.color = '#fff';this.x = x || 0.0;this.y = y || 0.0;this.vx = 0.0;this.vy = 0.0;},move : function() {this.x += this.vx;this.y += this.vy;this.vx *= this.drag;this.vy *= this.drag;this.theta += random(-0.5, 0.5) * this.wander;this.vx += sin(this.theta) * 0.1;this.vy += cos(this.theta) * 0.1;this.radius *= 0.96;this.alive = this.radius > 0.5;},draw : function(ctx) {ctx.beginPath();ctx.arc(this.x, this.y, this.radius, 0, TWO_PI);ctx.fillStyle = this.color;ctx.fill();}};var MAX_PARTICLES = 280;var COLOURS = [ '#0CF', '#A7DBD8', '#E0E4CC', '#F38630', '#FA6900','#FF4E50', '#F9D423' ,'green','red','blue'];var particles = [];var pool = [];var demo = Sketch.create({container : document.getElementById('main')});demo.setup = function() {var i, x, y;x = (demo.width * 0.3) + random(-100, 100);y = (demo.height * 0.3) + random(-100, 100);demo.spawn(0, 999);};demo.spawn = function(x, y) {if (particles.length >= MAX_PARTICLES)pool.push(particles.shift());particle = pool.length ? pool.pop() : new Particle();particle.init(x, y, random(5, 40));particle.wander = random(0.5, 2.0);particle.color = random(COLOURS);particle.drag = random(0.9, 0.99);theta = random(TWO_PI);force = random(2, 8);particle.vx = sin(theta) * force;particle.vy = cos(theta) * force;particles.push(particle);};demo.update = function() {var i, particle;for (i = particles.length - 1; i >= 0; i--) {particle = particles[i];if (particle.alive)particle.move();elsepool.push(particles.splice(i, 1)[0]);}};demo.draw = function() {demo.globalCompositeOperation = 'lighter';for ( var i = particles.length - 1; i >= 0; i--) {particles[i].draw(demo);}};demo.mousemove = function() {var particle, theta, force, touch, max, i, j, n;for (i = 0, n = demo.touches.length; i < n; i++) {touch = demo.touches[i], max = random(1, 4);for (j = 0; j < max; j++) {demo.spawn(touch.x, touch.y);}}};});