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Range
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| func range(_ val: CGFloat, low: CGFloat, high: CGFloat, clamp: Bool = true, toLow: CGFloat = 0.0, toHigh: CGFloat = 1.0) -> CGFloat { | |
| var norm = (val - low) / (high - low) | |
| if clamp { norm = min(max(norm, 0.0), 1.0) } | |
| return toLow + norm * (toHigh - toLow) | |
| } |
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