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joeyklee/getAngleDeg.js

Created January 13, 2017 09:33
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Get the angle in degrees from two points
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getAngleDeg.js
function getAngleDeg(p1, p2){
// returns the angle between 2 points in degrees
// p1 = {x: 1, y: 2};
// p2 = {x: 3, y: 4};
return Math.atan2(p2.y - p1.y, p2.x - p1.x) * 180 / Math.PI;
}
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from: https://gist.github.com/conorbuck/2606166

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