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optimize rendering

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Kenneth Jao 2017-09-30 21:43:39 -04:00
parent 4ea16e8b91
commit 58a74a95d4
1 changed files with 18 additions and 12 deletions
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30
gyrio/index.js
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@ -31,23 +31,26 @@ function generateString() {
function generateFrames(frame, string, width, height, rate) {
// Rate is in bits per second
// 30 frames per second
var bitsPerSection = Math.ceil(canvas.width/width);
var shift = canvas.width-rate*width*frame/30;
var bitsToCalc = Math.ceil(rate*width*frame/(width*30));
var output = [];
console.log(shift);
console.log(bitsToCalc);
for(var i = 0; i < bitsToCalc; i++) {
var x = i*width;
if(parseInt(string[i])) {
output.push([x+shift, -height+canvas.height/2]);
output.push([x+width+shift, -height+canvas.height/2]);
if(string[i-1] === 0) {
output.push([x+width+shift, canvas.height/2]);
for(var i = bitsToCalc-bitsPerSection; i < bitsToCalc; i++) {
try {
var x = i*width;
if(parseInt(string[i])) {
output.push([x+shift, -height+canvas.height/2]);
output.push([x+width+shift, -height+canvas.height/2]);
if(string[i-1] === 0) {
output.push([x+width+shift, canvas.height/2]);
}
} else {
output.push([x+shift, canvas.height/2]);
output.push([x+width+shift,canvas.height/2]);
}
} else {
output.push([x+shift, canvas.height/2]);
output.push([x+width+shift,canvas.height/2]);
}
} catch(err) {}
}
return output;
@ -74,7 +77,7 @@ function generateFrames(frame, string, width, height, rate) {
}
return uniq(frame);*/
}
var string = toBinary(getWebsite("https://www.google.com/"));
var string = toBinary(getWebsite("https://www.google.com"));
function drawFrame(frame) {
ctx.fillRect(0,0, canvas.width, canvas.height);
@ -100,8 +103,11 @@ ctx.fillStyle = "#000";
ctx.fillRect(0,0, canvas.width, canvas.height);
function animate(n) {
if(!animate) return;
drawFrame(n);
setTimeout(function() { animate(n+1) }, 100/3);
}
animate(0);
var animate = false;