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<script> /*我不相信有天堂，因为我被困在这个地狱的时间太长了*/ </script></head> <body style="background-color:pink;"> <h1><p style="text-align:center;color:purple"> I Love You!</p></h1> <canvas id="c"></canvas> <script> var b = document.body;//指定文档主体的开始和结束等价于body var c = document.getElementsByTagName('canvas')[0];//返回带有指定标签名的对象的集合 var a = c.getContext('2d');//定义2d动画 document.body.clientWidth;//网页可见区域宽 //后面的基本都是判断属性，且设计高数，这里分析起来有点复杂。如果有不懂的T友，可以留言一起讨论。谢谢大家的浏览！知识贵在分享！</script> <script> with (m = Math) C = cos, S = sin, P = pow, R = random; c.width = c.height = f = 613; h = -250; function p(a, b, c) { if (c > 60) return [S(a * 7) * (13 + 5 / (.2 + P(b * 4, 4))) - S(b) * 50, b * f + 50, 625 + C(a * 7) * (13 + 5 / (.2 + P(b * 4, 4))) + b * 400, a * 1 - b / 2, a]; A = a * 2 - 1; B = b * 2 - 1; if (A * A + B * B < 1) { if (c > 37) { n = (j = c & 1) ? 6 : 4; o = .5 / (a + .01) + C(b * 125) * 3 - a * 300; w = b * h; return [o * C(n) + w * S(n) + j * 610 - 390, o * S(n) - w * C(n) + 550 - j * 350, 1180 + C(B + A) * 99 - j * 300, .4 - a * .1 + P(1 - B * B, -h * 6) * .15 - a * b * .4 + C(a + b) / 5 + P(C((o * (a + 1) + (B > 0 ? w : -w)) / 25), 30) * .1 * (1 - B * B), o / 1e3 + .7 - o * w * 3e-6] } if (c > 32) { c = c * 1.16 - .15; o = a * 45 - 20; w = b * b * h; z = o * S(c) + w * C(c) + 620; return [o * C(c) - w * S(c), 28 + C(B * .5) * 99 - b * b * b * 60 - z / 2 - h, z, (b * b * .3 + P((1 - (A * A)), 7) * .15 + .3) * b, b * .7] } o = A * (2 - b) * (80 - c * 2); w = 99 - C(A) * 120 - C(b) * (-h - c * 4.9) + C(P(1 - b, 7)) * 50 + c * 2; z = o * S(c) + w * C(c) + 700; return [o * C(c) - w * S(c), B * 99 - C(P(b, 7)) * 50 - c / 3 - z / 1.35 + 450, z, (1 - b / 1.2) * .9 + a * .1, P((1 - b), 20) / 4 + .05] }}setInterval('for(i=0;i<1e4;i++)if(s=p(R(),R(),iF/.74)){z=s[2];x=~~(s[0]*f/z-h);y=~~(s[1]*f/z-h);if(!m[q=y*f+x]|m[q]>z)m[q]=z,a.fillStyle="rgb("+~(s[3]*h)+","+~(s[4]*h)+","+~(s[3]*s[3]*-80)+")",a.fillRect(x,y,1,1)}', 0)//定时器</script><h3><p style="float:right;color:green"></p></h3></body> </html>
转载于:https://www.cnblogs.com/Gabriels/p/6296182.html
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