bgc-net/BasicGeometry/FP32Turns.cs

/*
 * Author: Andrey Pokidov
 * Date: 18 Nov 2024
 */

namespace BasicGeometry
{
    public class FP32Turns
    {
        public static float ToRadians(float turns)
        {
            return turns * FP32Radians.TWO_PI;
        }

        public static float ToDegrees(float turns)
        {
            return turns * 360.0f;
        }

        public static float ToUnits(float turns, AngleUnit toUnit)
        {
            if (toUnit == AngleUnit.RADIANS)
            {
                return turns * FP32Radians.TWO_PI;
            }

            if (toUnit == AngleUnit.DEGREES)
            {
                return turns * 360.0f;
            }

            return turns;
        }

        public static float Normalize(float turns, AngleRange range)
        {
            if (range == AngleRange.UNSIGNED_RANGE)
            {
                if (0.0f <= turns && turns < 1.0f)
                {
                    return turns;
                }
            }
            else
            {
                if (-0.5f < turns && turns <= 0.5f)
                {
                    return turns;
                }
            }

            float rest = turns - MathF.Floor(turns);

            if (range == AngleRange.SIGNED_RANGE && rest > 0.5f)
            {
                rest -= 1.0f;
            }

            return rest;
        }
    }
}