/// <summary>
/// Scale a vector to approximately unit length
/// </summary>
/// <param name="vec">The input vector</param>
/// <param name="result">The normalized vector</param>
public static void NormalizeFast(ref IntVector2 vec, out IntVector2 result)
{
float scale = MathDefs.InverseSqrtFast(vec.X * vec.X + vec.Y * vec.Y);
result.X = (int)Math.Round(vec.X * scale);
result.Y = (int)Math.Round(vec.Y * scale);
}
/// <summary>
/// Scales the IntVector2 to approximately unit length.
/// </summary>
public void NormalizeFast()
{
float scale = MathDefs.InverseSqrtFast(X * X + Y * Y);
X = (int)Math.Round(X * scale);
Y = (int)Math.Round(Y * scale);
}
/// <summary>
/// Scale a vector to approximately unit length
/// </summary>
/// <param name="vec">The input vector</param>
/// <param name="result">The normalized vector</param>
public static void NormalizeFast(ref Vector2 vec, out Vector2 result)
{
float scale = MathDefs.InverseSqrtFast(vec.X * vec.X + vec.Y * vec.Y);
result.X = vec.X * scale;
result.Y = vec.Y * scale;
}
/// <summary>
/// Scales the Vector2 to approximately unit length.
/// </summary>
public void NormalizeFast()
{
float scale = MathDefs.InverseSqrtFast(X * X + Y * Y);
X *= scale;
Y *= scale;
}
/// <summary>
/// Scale a vector to approximately unit length
/// </summary>
/// <param name="vec">The input vector</param>
/// <returns>The normalized vector</returns>
public static IntVector2 NormalizeFast(IntVector2 vec)
{
float scale = MathDefs.InverseSqrtFast(vec.X * vec.X + vec.Y * vec.Y);
vec.X = (int)Math.Round(vec.X * scale);
vec.Y = (int)Math.Round(vec.Y * scale);
return(vec);
}
/// <summary>
/// Scale a vector to approximately unit length
/// </summary>
/// <param name="vec">The input vector</param>
/// <returns>The normalized vector</returns>
public static Vector2 NormalizeFast(Vector2 vec)
{
float scale = MathDefs.InverseSqrtFast(vec.X * vec.X + vec.Y * vec.Y);
vec.X *= scale;
vec.Y *= scale;
return(vec);
}