public MovableModel(Model model, Matrix4 transform)
: base(transform)
{
m_model = model;
m_transforms = new Matrix[m_model.Bones.Count];
m_model.CopyAbsoluteBoneTransformsTo (m_transforms);
}
public CastableModel(Model model, Matrix4 transform)
: base(model, transform)
{
}
// this' = this * M; right-multiply matrix semantics
// Ignore translation when transforming a normal
public void transformNormal(Matrix4 m)
{
float tx = X * m.Right.X + Y * m.Up.X + Z * m.Backward.X;
float ty = X * m.Right.Y + Y * m.Up.Y + Z * m.Backward.Y;
float tz = X * m.Right.Z + Y * m.Up.Z + Z * m.Backward.Z;
X = tx;
Y = ty;
Z = tz;
}
// this' = this * M^(-1); right-multiply matrix semantics
public void transformByInverse(Matrix4 m)
{
m.invert ();
transform (m);
}
//public Matrix3 (OpenTK.Matrix4 m)
// : this (m.Right, m.Up, m.Forward)
//{
//}
// Normalize the height of "m" regardless of "ensureOrthonormal"
public Matrix3(Matrix4 m, bool ensureOrthonormal)
: this(m.Right, m.Up, m.Forward, true)
{
}
public MovableQuat(Matrix4 transform)
{
m_rotation = transform.Rotation.getQuaternion ();
m_position = transform.Translation;
m_scale = new Vector3 (1.0f);
}
public static void invert(ref Matrix4 m, out Matrix4 inverse)
{
Matrix4 copy = m;
copy.invert ();
inverse = copy;
}
static Matrix4()
{
ms_identity = new Matrix4 (true);
}