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malcommac/IndicativeAngle.swift

Created October 15, 2015 10:13
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Indicative Angle
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IndicativeAngle.swift
public static func indicativeAngle(points: [StrokePoint]) -> Double {
let centroid = StrokePoint.centroid(points)
return atan2(centroid.y - points.first!.y, centroid.x - points.first!.x)
}
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