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https://github.com/zero-peak/ZeroOmega.git
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20 lines
500 B
JavaScript
20 lines
500 B
JavaScript
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var drawOmega = function (ctx, outerCircleColor, innerCircleColor) {
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ctx.globalCompositeOperation = "source-over";
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ctx.fillStyle = outerCircleColor;
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ctx.beginPath();
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ctx.arc(0.5, 0.5, 0.5, 0, Math.PI * 2, true);
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ctx.closePath();
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ctx.fill();
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if (innerCircleColor != null) {
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ctx.fillStyle = innerCircleColor;
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} else {
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ctx.globalCompositeOperation = "destination-out";
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}
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ctx.beginPath();
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ctx.arc(0.5, 0.5, 0.25, 0, Math.PI * 2, true);
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ctx.closePath();
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ctx.fill();
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};
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