网页实现黑客帝国代码雨
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8"/><title>黑客帝国代码雨
</title><style type="text/css">
/*basic reset*/
*{margin:0;padding:0;}
body{background:black;}
canvas{display:block;}
</style></head>
<body><canvas id="c"></canvas><script type="text/javascript">
var c=document.getElementById("c");
var ctx= c.getContext("2d");c.height=window.innerHeight;
c.width=window.innerWidth;var chinese="010110";
chinese=chinese.split("");var font_size=10;
var columns=c.width/font_size;
var drops=[];for(var x=0;x<columns;x++)drops[x]=1;function draw(){ctx.fillStyle="rgba(0,0,0,0.05)";ctx.fillRect(0,0,c.width,c.height);ctx.fillStyle="#0F0";ctx.font=font_size+"px arial";for(var i=0;i<drops.length;i++){var text=chinese[Math.floor
(Math.random()*chinese.length)];ctx.fillText(text,i*font_size,drops[i]*font_size);if(drops[i]*font_size>c.height&&Math.random()>0.975)drops[i]=0;drops[i]++;}
}setInterval(draw,50);
</script></body>
</html>
