首页分享绘制动态玫瑰花

绘制动态玫瑰花

来源：花匠小妙招时间：2024-12-20 13:48

用代码编写出玫瑰花

最新推荐文章于 2024-11-09 20:16:11 发布

码农Movinbricks 于 2018-10-18 11:38:04 发布

<!DOCTYPE html> <html><head><meta charset="UTF-8"><title>玫瑰</title><style type="text/css"> #shusheng { position: absolute; width: 100%; height: 100%; text-align: center; } </style> </head> <body> <div style="text-align: center"> </div><div id="shusheng"> <canvas id="c"></canvas> <script> var b = document.body; var c = document.getElementsByTagName('canvas')[0]; var a = c.getContext('2d'); document.body.clientWidth; </script> <script> with(m=Math)C=cos, S=sin, P=pow, R=random; c.width=c.height=f=500; 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(),i%46/.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) </script> </div></body> </html>

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