/// <summary>
/// Transforms a vector by the given matrix.
/// </summary>
/// <param name="position">The vector to transform.</param>
/// <param name="matrix">The transform matrix.</param>
/// <returns>The transformed vector.</returns>
#region public static JVector Transform(JVector position, JMatrix matrix)
public static FPVector Transform(FPVector position, FPMatrix matrix)
{
FPVector result;
FPVector.Transform(ref position, ref matrix, out result);
return(result);
}
private void UpdateChildRotation()
{
FPMatrix matrix = FPMatrix.CreateFromQuaternion(_rotation);
foreach (FPTransform child in tsChildren)
{
child.localRotation = FPQuaternion.CreateFromMatrix(FPMatrix.Inverse(matrix)) * _rotation;
child.localPosition = FPVector.Transform(child.localPosition, FPMatrix.CreateFromQuaternion(child.localRotation));
child.position = TransformPoint(child.localPosition);
}
}
/**
* @brief Rotates game object based on provided axis, point and angle of rotation.
**/
public void RotateAround(FPVector point, FPVector axis, FP angle)
{
FPVector vector = this.position;
FPVector vector2 = vector - point;
vector2 = FPVector.Transform(vector2, FPMatrix.AngleAxis(angle * FP.Deg2Rad, axis));
vector = point + vector2;
this.position = vector;
Rotate(axis, angle);
}
/**
* @brief Moves game object based on provided translation vector and a relative {@link FPTransform}.
*
* The game object will move based on FPTransform's forward vector.
**/
public void Translate(FPVector translation, FPTransform relativeTo)
{
this.position += FPVector.Transform(translation, FPMatrix.CreateFromQuaternion(relativeTo.rotation));
}