10 lines
235 B
JavaScript
10 lines
235 B
JavaScript
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function rotatePoint(x, y, theta) {
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var thetaRad = theta * 0.0174532925;
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var rotX = Math.cos(thetaRad) * x - Math.sin(thetaRad) * y;
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var rotY = Math.sin(thetaRad) * x + Math.cos(thetaRad) * y;
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return {
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x: rotX,
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y: rotY,
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};
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}
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