76 lines
1.9 KiB
C#
76 lines
1.9 KiB
C#
/*
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* Author: Andrey Pokidov
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* License: Apache-2.0
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* Date: 18 Nov 2024
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*/
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namespace BGC
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{
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public class RadianFP32
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{
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public const float PI = 3.1415926536f;
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public const float TWO_PI = 6.2831853072f;
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public const float HALF_OF_PI = 1.5707963268f;
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public const float THIRD_OF_PI = 1.0471975512f;
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public const float FOURTH_OF_PI = 0.7853981634f;
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public const float SIXTH_OF_PI = 0.5235987756f;
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public const float DEGREES_IN_RADIAN = 57.295779513f;
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public const float TURNS_IN_RADIAN = 0.1591549431f;
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public static float ToDegrees(float radians)
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{
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return radians * DEGREES_IN_RADIAN;
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}
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public static float ToTurns(float radians)
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{
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return radians * TURNS_IN_RADIAN;
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}
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public static float ToUnits(float radians, AngleUnit toUnit)
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{
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if (toUnit == AngleUnit.DEGREES)
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{
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return radians * DEGREES_IN_RADIAN;
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}
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if (toUnit == AngleUnit.TURNS)
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{
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return radians * TURNS_IN_RADIAN;
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}
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return radians;
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}
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public static float Normalize(float radians, AngleRange range)
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{
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if (range == AngleRange.UNSIGNED_RANGE)
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{
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if (0.0 <= radians && radians < TWO_PI)
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{
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return radians;
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}
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}
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else
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{
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if (-PI < radians && radians <= PI)
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{
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return radians;
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}
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}
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float turns = radians * TURNS_IN_RADIAN;
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turns -= MathF.Floor(turns);
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if (range == AngleRange.SIGNED_RANGE && turns > 0.5f)
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{
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turns -= 1.0f;
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}
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return turns * TWO_PI;
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}
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}
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}
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