2013-08-11 21:26:50 +02:00
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<html><head>
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<title>Syn2lights simulator</title>
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</head>
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<body>
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<canvas id="myCanvas" width="1437" height="1051"></canvas>
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<script>
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var canvas = document.getElementById('myCanvas');
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var context = canvas.getContext('2d');
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var imageObj = new Image();
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2013-09-01 20:34:51 +02:00
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imageObj.src = 'building-isometric_night.jpg';
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2013-08-11 21:26:50 +02:00
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// windowTab[0][0]={x:488,y:265};
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// windowTab[1][0]={x:528,y:265};
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function lightWindow(x,y,val) {
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context.beginPath();
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context.rect(488+40.3*x, 265+87.4*y, 23, 34);
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context.fillStyle = 'rgb('+val+','+val+','+val+')';
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context.fill();
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}
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function lightSegment(display,segment,r,g,b) {
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context.beginPath();
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segx=488+40.3*display;
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segy=176
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switch(segment) {
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case 0: //segment 0
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context.moveTo(segx,segy);
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context.lineTo(segx+23,segy);
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break;
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case 1:
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context.moveTo(segx+23,segy);
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context.lineTo(segx+23,segy+17);
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break;
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case 2:
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context.moveTo(segx+23,segy+18);
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context.lineTo(segx+23,segy+34);
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break;
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case 3:
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context.moveTo(segx,segy+34);
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context.lineTo(segx+23,segy+34);
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break;
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case 4:
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context.moveTo(segx,segy+18);
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context.lineTo(segx,segy+34);
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break;
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case 5:
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context.moveTo(segx,segy);
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context.lineTo(segx,segy+17);
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break;
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case 6:
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context.moveTo(segx,segy+17);
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context.lineTo(segx+23,segy+17);
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break;
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case 7:
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context.moveTo(segx+23,segy+38);
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context.lineTo(segx+23,segy+42);
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break;
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}
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context.lineWidth=5;
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context.strokeStyle = 'rgb('+r+','+g+','+b+')';
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context.stroke();
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}
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imageObj.onload = function() {
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context.drawImage(imageObj, 0, 0);
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for(x=0;x<12;x++)
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for(y=-1;y<8;y++)
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lightWindow(x,y,0);
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i=0;
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j=0;
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oldi=oldj=0;
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colwave=0;
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d=0;
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s=0;
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oldd=olds=0;
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setInterval("loop()",100);
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};
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function loop() {
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// 7 segments colorful sequence
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lightSegment(oldd,olds,0,0,0);
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lightSegment(d,s,255,Math.floor((Math.sin(colwave/30)+1)*127),Math.floor((Math.cos(colwave/17)+1)*127));
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colwave++;
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oldd=d;olds=s;
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s++;
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if(s>=8) {
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s=0
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d++
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if(d>=12) {
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d=0
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}
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}
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// windows sliding light
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lightWindow(oldi,oldj,0) // switch off previous window
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lightWindow(i,j,Math.floor((Math.sin(colwave/77)+1)*127)) // switch on new window
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oldi=i;
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oldj=j;
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i++;
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if(i>=12) {
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i=0;
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j++;
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if(j>=8) {
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i=j=0
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}
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}
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}
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</script>
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</body></html>
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