可转动的3D立体矩阵特效

稿源：互联网 2022-06-10 18:01:24 点击： 1920 撤稿纠错

很漂亮的3D特效，目前网站网页的3D效果是非常吸引人的。

以下讨论的是和特效 3D立体相关的可转动的3D立体矩阵特效教程文章，内容是本站精心挑选整理的教程，希望对广大的网友给到帮助,下面是详细内容：

脚本代码(For Alixixi.com)如下:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">   <html xmlns="http://www.w3.org/1999/xhtml" xmlns:v="urn:schemas-microsoft-com:vml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>Cube</title> <style> v:*{behavior:url(#default#VML);} //声明变量v为VML对象 </style> <script type="text/javascript"> //vOnlyDrawLine为true时画线框图，false时画实体图 var vOnlyDrawLine = false; String.prototype.template=function(){ var args=arguments; return this.replace(/{(d+)}/g, function(m, i){ return args[i]; }); } //var a="arg1:{0},arg2:{1},arg3:{2}"; //alert(a.template("a","b","c")); //arg1:a,arg2:b,arg3:c function ShowInfo(Value){ memo1.value = memo1.value + Value + "nr"; } function CheckOnClick(CheckBox){ vOnlyDrawLine=CheckBox.checked; //alert(vOnlyDrawLine); } /* 函数名: gra2htm 功能: 用高为1px的div层模拟画出四边形 */ function gra2htmold(clr,a,b,c,d){ var result=''; var maxx=Math.max(a[0],b[0],c[0],d[0]),minx=Math.min(a[0],b[0],c[0],d[0]); var maxy=Math.max(a[1],b[1],c[1],d[1]),miny=Math.min(a[1],b[1],c[1],d[1]); x=new Array(a[0],b[0],c[0],d[0],a[0],b[0],c[0],d[0],a[0],b[0]); y=new Array(a[1],b[1],c[1],d[1],a[1],b[1],c[1],d[1],a[1],b[1]); /*/begin for(var i=0;i<=3;i++){ result+='<div style="position:absolute; overflow:hidden; left:' +x[i]+'px; top:'+y[i]+'px; width:2px; height:2px; background-color:#FFF"></div>'; } //end*/ if(maxx-minx>=maxy-miny){ for(var i=3;i<=6;i++) if(y[i]==miny){ var k=l=i; break; } if(y[k]==y[k-1]) k--; xa=(x[k-1]-x[k])/(y[k-1]-y[k]); if(y[l]==y[l+1]) l++; xb=(x[l+1]-x[l])/(y[l+1]-y[l]); pl=x[k];pw=x[l]-x[k]; for(var i=miny+1;i<=maxy;i++){ if(i>y[k-1]){ k--; xa=(x[k-1]-x[k])/(y[k-1]-y[k]); } if(i>y[l+1]){ l++; xb=(x[l+1]-x[l])/(y[l+1]-y[l]); } result+='<div style="overflow:hidden; top:'+i +'px; left:'+Math.round(pl+=xa) +'px; width:'+Math.round(pw+=xb-xa) +'px; height:1px; position:absolute; background-color:'+clr +';"></div>'; } } else { for(var i=3;i<=6;i++) if(x[i]==minx){ var k=l=i; break; } if(x[k]==x[k+1]) k++; ya=(y[k+1]-y[k])/(x[k+1]-x[k]); if(x[l]==x[l-1]) l--; yb=(y[l-1]-y[l])/(x[l-1]-x[l]); pt=y[k];ph=y[l]-y[k]; for(var i=minx+1;i<=maxx;i++){ if(i>x[k+1]){ k++; ya=(y[k+1]-y[k])/(x[k+1]-x[k]); } if(i>x[l-1]){ l--; yb=(y[l-1]-y[l])/(x[l-1]-x[l]); } result+='<div style="overflow:hidden; left:'+i +'px; top:'+Math.round(pt+=ya) +'px; height:'+Math.round(ph+=yb-ya) +'px; width:1px; position:absolute; background-color:'+clr +';"></div>'; } } return result; } function gra2htm(clr,a,b,c,d){ var result=''; if (vOnlyDrawLine) { result+='<v:polyline strokecolor="black" filled="false" style="position:absolute;" points="' + a[0] + "," + a[1] + " " + b[0] + "," + b[1] + " " + c[0] + "," + c[1] + " " + d[0] + "," + d[1] + " " + '"></v:polyline>'; }else{//solid result+='<v:polyline strokecolor=' + clr + ' fillcolor="' + clr + '" style="position:absolute;" points="' + a[0] + "," + a[1] + " " + b[0] + "," + b[1] + " " + c[0] + "," + c[1] + " " + d[0] + "," + d[1] + " " + '"></v:polyline>'; } //<v:shadow on="t" type="single" color="#b3b3b3" offset="2pt,3pt"></v:shadow> return result; } /* 函数名: remx 功能: 通过更新变换矩阵来记录转动 */ function remx(type,theta,omx){ var sinA=Math.sin(theta),cosA=Math.cos(theta); var m=new Array(); switch(type){ case 'rx': m[0]=omx[0];m[1]=omx[1];m[2]=omx[2]; m[3]=omx[3]*cosA-omx[6]*sinA;m[4]=omx[4]*cosA-omx[7]*sinA;m[5]=omx[5]*cosA-omx[8]*sinA; m[6]=omx[3]*sinA+omx[6]*cosA;m[7]=omx[4]*sinA+omx[7]*cosA;m[8]=omx[5]*sinA+omx[8]*cosA; break; case 'ry': m[0]=omx[0]*cosA-omx[6]*sinA;m[1]=omx[1]*cosA-omx[7]*sinA;m[2]=omx[2]*cosA-omx[8]*sinA; m[3]=omx[3];m[4]=omx[4];m[5]=omx[5]; m[6]=omx[0]*sinA+omx[6]*cosA;m[7]=omx[1]*sinA+omx[7]*cosA;m[8]=omx[2]*sinA+omx[8]*cosA; break; } return m; } /* 函数名: p2d 功能: 把各个顶点的空间坐标按”近大远小”转换成平面坐标 */ function p2d(x,y,z){ var LeftPy=200,TopPy=200; //定义左和上的平移 var vT; var result=new Array(); vT = 0.6; //ShowInfo("x:{0},y:{1},z:{2}".template(x,y,z)); result[0]=Math.round(LeftPy+x/(z*0.004+vT)); result[1]=Math.round(TopPy+y/(z*0.004+vT)); //result中获得的是该点输出到屏幕上时的x,y坐标位置 //ShowInfo("result:{0},{1}".template(result[0],result[1])); return result; } </script> <script type="text/javascript"> //const var pa=new Array([0,0,0],[50,50,-50],[50,50,50],[50,-50,50],[50,-50,-50],[-50,50,-50],[-50,50,50],[-50,-50,50],[-50,-50,-50]); var idx=new Array(); idx[0]=new Array(1,2,3,4); idx[1]=new Array(1,4,8,5); idx[2]=new Array(1,5,6,2); idx[3]=new Array(7,3,2,6); idx[4]=new Array(7,8,4,3); idx[5]=new Array(7,6,5,8); var clr=new Array('#03c','#c00','#fc0','#f60','#fff','#090'); //end function cube(id){ if(!document.getElementById(id)) return false; this.id=document.getElementById(id); this.angle=new Array(); this.angle2=new Array(); for(i=1;i<=8;i++) this.angle[i]=new Array(3); // alert('success'); } cube.prototype={ matrix:new Array(1,0,0,0,1,0,0,0,1), paint:function(){ var result=''; for(i=1;i<=8;i++){ this.angle[i][0]=this.matrix[0]*pa[i][0]+this.matrix[1]*pa[i][1]+this.matrix[2]*pa[i][2]; this.angle[i][1]=this.matrix[3]*pa[i][0]+this.matrix[4]*pa[i][1]+this.matrix[5]*pa[i][2]; this.angle[i][2]=this.matrix[6]*pa[i][0]+this.matrix[7]*pa[i][1]+this.matrix[8]*pa[i][2]; this.angle2[i]=p2d(this.angle[i][0],this.angle[i][1],this.angle[i][2]); } for(i=0;i<6;i++){ /* */ if ( (vOnlyDrawLine == false) && ((this.angle2[idx[i][2]][0]-this.angle2[idx[i][1]][0])* (this.angle2[idx[i][0]][1]-this.angle2[idx[i][1]][1])- (this.angle2[idx[i][2]][1]-this.angle2[idx[i][1]][1])* (this.angle2[idx[i][0]][0]-this.angle2[idx[i][1]][0])>=0) ) { //判断，当需要画实体图，且该面不需要显示时跳到下一个面的处理 continue; } result+=gra2htm(clr[i],this.angle2[idx[i][3]],this.angle2[idx[i][2]],this.angle2[idx[i][1]], this.angle2[idx[i][0]]); } // document.getElementById('aa').value=result; this.id.innerHTML=result; }, roll:function(type,theta){ this.matrix=remx(type,theta,this.matrix); // this.paint(); } } </script> <script type="text/javascript"> var tmr=(new Date()).getTime(); function drag(obj,e){ e=e?e:window.event; var setx=e.clientX,sety=e.clientY; if(document.addEventListener){ document.addEventListener('mousemove', inFmove, true); document.addEventListener('mouseup', inFup, true); } else if(document.attachEvent){ document.attachEvent('onmousemove', inFmove); document.attachEvent('onmouseup', inFup); } function inFmove(e){ tmr2=(new Date).getTime(); if(tmr2-tmr<100) return false; tmr=tmr2; cc.roll('ry',(e.clientX-setx)/50); setx=e.clientX; cc.roll('rx',(e.clientY-sety)/50); sety=e.clientY; cc.paint(); return false; } function inFup(){ if(document.removeEventListener){ document.removeEventListener('mousemove', inFmove, true); document.removeEventListener('mouseup', inFup, true); } else if(document.detachEvent){ document.detachEvent('onmousemove', inFmove); document.detachEvent('onmouseup', inFup); } } // shawl.qiu script } </script> </head> <body> <div id="t" style="width:640px;height:480px;background-color:#c0c0c0;" oncontextmenu="return false" onmousedown="drag(this,event)"></div> <input type="button" onClick="clearInterval(tt)" value="停止" /> <input type="button" onClick="clearInterval(tt);tt=setInterval('cc.roll('rx',0.2);cc.paint();',100)" value="下转" /> <input type="button" onClick="clearInterval(tt);tt=setInterval('cc.roll('ry',0.04);cc.paint();',10)" value="高速右转" /> <input type="checkbox" id="chkOnlydrawline" text="画线框图" onclick="javascript:CheckOnClick(this)"/>画线框图 <textarea id="memo1" rows="20" cols="60"></textarea> <script type="text/javascript"> var tt,cc=new cube('t'); //cc.roll('ry',1); cc.paint(); </script> </body> </html> <a href="http://js.alixixi.com/">欢迎访问阿里西西网页特效代码站，js.alixixi.com</a>

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