Created
February 24, 2023 15:26
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| func unitSquareIntersectionPoint(_ angle: Angle) -> UnitPoint { | |
| let normalizedDegree = angle.degrees.truncatingRemainder(dividingBy: 360) | |
| let degreeProportion = (normalizedDegree / 90).truncatingRemainder(dividingBy: 4) | |
| switch degreeProportion { | |
| case 0: return UnitPoint(x: 1.0, y: 1.0) | |
| case 1: return UnitPoint(x: 1.0, y: 1.0 - (normalizedDegree - 270) / 90) | |
| case 2: return UnitPoint(x: 1.0 - (normalizedDegree - 180) / 90, y: 0.0) | |
| case 3: return UnitPoint(x: 0.0, y: (normalizedDegree - 90) / 90) | |
| default: return .zero | |
| } | |
| } |
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