/// <summary>
/// Sorts a list of points around a center.
/// </summary>
/// <param name="center"></param>
/// <param name="points"></param>
/// <param name="clockwise"></param>
/// <returns>Returns a sorted list of points around a center.</returns>
public static Vector2[] SortAroundCenter(Vector2 center, Vector2[] points, bool clockwise)
{
List <Vector2> sortedPoints = null;
sortedPoints = Hedra.Copy(points.ToList());
sortedPoints.Sort((v1, v2) => {
float angle1 = Hedra.Angle(center, center + Vector2.left, v1);
float angle2 = Hedra.Angle(center, center + Vector2.left, v2);
if (angle1 > angle2)
{
return(1);
}
else if (angle1 == angle2)
{
return(0);
}
else
{
return(-1);
}
});
return(sortedPoints.ToArray());
}
/// <summary>
/// Hard clamps the value to the nearest limit.
/// </summary>
/// <param name="value">Value to clamp.</param>
/// <param name="upperLimit"></param>
/// <param name="centerLimit"></param>
/// <param name="bottomLimit"></param>
/// <returns></returns>
public static Vector2 HardClamp(Vector2 value, int bottomLimit, int centerLimit, int upperLimit)
{
Vector2 clampedValue = new Vector2(
Hedra.HardClamp(value.x, bottomLimit, centerLimit, upperLimit),
Hedra.HardClamp(value.y, bottomLimit, centerLimit, upperLimit)
);
return(clampedValue);
}
/// <summary>
/// Hard clamps the value to the nearest limit.
/// </summary>
/// <param name="value">Value to clamp.</param>
/// <param name="upperLimit"></param>
/// <param name="centerLimit"></param>
/// <param name="bottomLimit"></param>
/// <returns></returns>
public static Vector3 HardClamp(Vector3 value, float bottomLimit, float centerLimit, float upperLimit)
{
Vector3 clampedValue = new Vector3(
Hedra.HardClamp(value.x, bottomLimit, centerLimit, upperLimit),
Hedra.HardClamp(value.y, bottomLimit, centerLimit, upperLimit),
Hedra.HardClamp(value.z, bottomLimit, centerLimit, upperLimit)
);
return(clampedValue);
}
/// <summary>
/// Returns the angle degrees between vectors A and B.
/// https://www.gamedev.net/forums/topic/509720-angle-between-two-3d-points/
/// </summary>
/// <param name="A"></param>
/// <param name="B"></param>
/// <returns></returns>
public static float Angle(Vector3 A, Vector3 B)
{
Vector3 a = A.normalized;
Vector3 b = B.normalized;
Vector3 perpendicular = Vector3.Cross(a, b).normalized;
Vector3 normal = Hedra.Abs(perpendicular);
// atan2((Vb x Va).Vn, Va.Vb) - https://stackoverflow.com/questions/5188561/signed-angle-between-two-3d-vectors-with-same-origin-within-the-same-plane
return(Mathf.Atan2(Vector3.Dot(perpendicular, normal), Vector3.Dot(a, b)) * Mathf.Rad2Deg);
}
public static void DrawWireCube(Collider collider, Quaternion rotation)
{
if (collider == null)
{
return;
}
if (collider is BoxCollider)
{
BoxCollider box = (BoxCollider)collider;
Hedra.DrawWireCube(box.bounds.center, box.size, rotation);
}
else
{
Hedra.DrawWireCube(collider.bounds.center, collider.bounds.size, rotation);
}
}
