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CANVAS HTML5 DEMO RED RING ROTATION BY SOLETODOPES ITALY .pdf


Original filename: CANVAS HTML5 DEMO RED RING ROTATION BY SOLETODOPES ITALY.pdf

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CANVAS DEMO ASTEROID ROTATION 434 D--61
<g></script><canvas id=6 width="1300" height="1300">
<script type="text/javascript">;vb=[];ve=[];pz=[];ps=[];pc=[];
ng=250;tc=0;rc=0.8;canvas=document.getElementById(6);
dm();tn=canvas.getContext('2d');tn.translate(600,600);ws();
function
ws(){tn.clearRect(-1000,-1000,2000,2000);tc+=0.012;ra=Math.sin(rc);
pa=Math.cos(rc);rb=Math.sin(tc);pb=Math.cos(tc);gb=500;de=[];while(gb--){
ge=vb[gb];gs=ve[gb];gp=pz[gb];me=pb*gp-rb*ge;mc=rb*gp+pb*ge;ma=pa*gs-m
e;mb=ra*gs;
na=mc;nb=ma;sc=ng/(ng+me);ge=na*sc;gs=nb*sc;gp=me;sr=22;
if(!de[sr])de[sr]=[];de[sr].push([ge,gs,sc]);}rs=0;var ms=400;
while(gb<ms){if(de[gb]){rs=de[gb].length;while(rs--){pe=de[gb][rs];
tn.save();tn.translate(pe[0],pe[1]);tn.scale(pe[2],pe[2]);pr(pe[3]);tn.restore();}}
gb++;}setTimeout(ws,25);}function pr(){tn.fillStyle='#E00';ce(4);}
function ce(){tn.beginPath();tn.arc(0,0,6,0,8);tn.fill();}
function
dm(){em=500;while(em--){vb.push(Math.cos(em)*200);ve.push(Math.random()
*130-400);
pz.push(Math.sin(em)*200);ps.push(1.2);}}</script></html>

BY SOLETODOPES


Document preview CANVAS HTML5 DEMO RED RING ROTATION BY SOLETODOPES ITALY.pdf - page 1/1

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