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