代码实现：圣诞树效果（易懂，必会）/用html实现圣诞树效果
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代码实现：圣诞树效果（易懂，必会）/用html实现圣诞树效果
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下面的代碼只有在支持HTML5下的瀏覽器中運(yùn)行！！
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN" "http://www.w3.org/TR/html4/frameset.dtd"> <html> <head> <title>html5制作的3D逼真圣誕樹效果</title> <meta charset="utf-8" > <style> html, body { width: 100%; height: 100%; margin: 0; padding: 0; border: 0; } canvas{ width: 100%; height: 100%; } div { margin: 0; padding: 0; border: 0; }.nav { position: absolute; top: 0; left: 0; width: 100%; height: 27px; background-color: white; color: black; text-align: center; line-height: 25px;}a { color: black; text-decoration: none; border-bottom: 1px dashed black; }a:hover { border-bottom: 1px solid red; }.previous { float: left; margin-left: 10px; }.next { float: right; margin-right: 10px; }.green { color: green; }.red { color: red; }textarea { width: 100%; height: 100%; border: 0; padding: 0; margin: 0; padding-bottom: 20px; }.block-outer { float: left; width: 22%; height: 100%; padding: 5px; border-left: 1px solid black; margin: 30px 3px 3px 3px; }.block-inner { height: 68%; }.one { border: 0; } </style></head><body marginwidth="0" marginheight="0"><canvas id="c" height="800" width="300"> <script>var collapsed = true;function toggle() {var fs = top.document.getElementsByTagName('frameset')[0];var f = fs.getElementsByTagName('frame');if (collapsed) {fs.rows = '250px,*';// enable resizing of frames in firefox/operafs.noResize = false;f[0].noResize = false;f[1].noResize = false;} else {fs.rows = '30px,*';// disable resizing of frames in firefox/operafs.noResize = true;f[0].noResize = true;f[1].noResize = true;}collapsed = !collapsed;}</script> <script>var b = document.body;var c = document.getElementsByTagName('canvas')[0];var a = c.getContext('2d');document.body.clientWidth; // fix bug in chrome. </script><script> // start of submission // M=Math;Q=M.random;J=[];U=16;T=M.sin;E=M.sqrt;for(O=k=0;x=z=j=i=k<200;)with(M[k]=k?c.cloneNode(0):c){width=height=k?32:W=446;with(getContext('2d'))if(k>10|!k)for(font='60px Impact',V='rgba(';I=i*U,fillStyle=k?k==13?V+'205,205,215,.15)':V+(147+I)+','+(k%2?128+I:0)+','+I+',.5)':'#cca',i<7;)beginPath(fill(arc(U-i/3,24-i/2,k==13?4-(i++)/2:8-i++,0,M.PI*2,1)));else for(;x=T(i),y=Q()*2-1,D=x*x+y*y,B=E(D-x/.9-1.5*y+1),R=67*(B+1)*(L=k/9+.8)>>1,i++<W;)if(D<1)beginPath(strokeStyle=V+R+','+(R+B*L>>0)+',40,.1)'),moveTo(U+x*8,U+y*8),lineTo(U+x*U,U+y*U),stroke();for(y=H=k+E(k++)*25,R=Q()*W;P=3,j<H;)J[O++]=[x+=T(R)*P+Q()*6-3,y+=Q()*U-8,z+=T(R-11)*P+Q()*6-3,j/H*20+((j+=U)>H&Q()>.8?Q(P=9)*4:0)>>1]}setInterval(function G(m,l){A=T(D-11);if(l)return(m[2]-l[2])*A+(l[0]-m[0])*T(D);a.clearRect(0,0,W,W);J.sort(G);for(i=0;L=J[i++];a.drawImage(M[L[3]+1],207+L[0]*A+L[2]*T(D)>>0,L[1]>>1)){if(i==2e3)a.fillText('Merry Christmas!',U,412);if(!(i%7))a.drawImage(M[13],((157*(i*i)+T(D*5+i*i)*5)%W)>>0,((113*i+(D*i)/60)%(290+i/99))>>0);}D+=.02},1) // end of submission // </script> </body> </html>下面是直接觀看效果? 鏈接！！！（下面有更多圣誕樹代碼噢！）
一顆有著遠(yuǎn)大理想的圣誕樹http://101.35.147.62/Christmas_tree.html?
用java實(shí)現(xiàn)圣誕樹：
@Testpublic void shengdanshu(){//葉子層int level = 10;//根層int rootLevel = 2;int spaceNum = level - 1;//畫葉子// 為什么從1開始 不管了就是任性for (int i = 1; i <= level; i++) {spaceNum--;for (int g = 0; g <= spaceNum; g++) {System.out.print(" ");}for (int j = 1; j <= ((i * 2) -1); j++) {System.out.print("*");}System.out.print("\n");}System.out.println(" ?圣誕節(jié)快樂?");//畫根for (int i = 1; i <= rootLevel; i++) {for (int g = 1; g < level; g++) {System.out.print(" ");}System.out.print("*\n");}}總結(jié)
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