HTML5Canvas模糊圆点背景动画特效.zip

代码片段：while(count--){varradius=rand(opt.radiusMin,opt.radiusMax),blur=rand(opt.blurMin,opt.blurMax),x=rand(0,cw),y=rand(0,ch),hue=rand(opt.hueMin,opt.hueMax),saturation=rand(opt.saturationMin,opt.saturationMax),lightness=rand( opt.lightnessMin,opt.lightnessMax),alph