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<title>JS+html5实现跟随鼠标移动而散开的粒子效果 - 【51RGB】</title>
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a {outline-style:none;color:#535353;text-decoration:none}
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.red {color: #faddde;border: solid 1px #980c10;background: #d81b21;background: -webkit-gradient(linear, left top, left bottom, from(#ed1c24), to(#A51715));background: -moz-linear-gradient(top, #ed1c24, #A51715);filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=‘#ed1c24‘, endColorstr=‘#aa1317‘);
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/*科e互联特效基本框架CSS结束,应用特效时,以上样式可删除*/
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#container{height:550px!important;}
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<h1 class="keTitle">JS+html5实现跟随鼠标移动而散开的粒子效果</h1>
<div class="kePublic">
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<script type="text/javascript">//素材家园- www.sucaijiayuan.com
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<script type="text/javascript" >//素材家园- www.sucaijiayuan.com
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;
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this.drag = 0.92;
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// ----------------------------------------
// Example
// ----------------------------------------
var MAX_PARTICLES = 280;
var COLOURS = [ ‘#69D2E7‘, ‘#A7DBD8‘, ‘#E0E4CC‘, ‘#F38630‘, ‘#FA6900‘, ‘#FF4E50‘, ‘#F9D423‘ ];
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var pool = [];
var demo = Sketch.create({
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var i, x, y;
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y = ( demo.height * 0.5 ) + random( -100, 100 );
demo.spawn( x, y );
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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();
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};
demo.draw = function() {
demo.globalCompositeOperation = ‘lighter‘;
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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 );
}
};
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