public static Matrix CreateShear(Shear3D shear)
{
Matrix result = Identity;
result.M11 = 1;
result.M12 = shear.XY;
result.M13 = shear.XZ;
result.M14 = 0;
result.M21 = shear.YX;
result.M22 = 1;
result.M23 = shear.YZ;
result.M24 = 0;
result.M31 = shear.ZX;
result.M32 = shear.ZY;
result.M33 = 1;
result.M34 = 0;
result.M41 = 0;
result.M42 = 0;
result.M43 = 0;
result.M44 = 1;
return(result);
}
public static Matrix CreateTransform(Vector3 origin, Vector3 position, Quaternion rotation, Vector3 scale, Shear3D shear)
{
Matrix transformMatrix = Identity;
if (origin != Vector3.Zero)
{
transformMatrix *= CreateTranslation(-origin);
}
if (shear != Shear3D.Identity)
{
transformMatrix *= CreateShear(shear);
}
if (scale != Vector3.One)
{
transformMatrix *= CreateScale(scale);
}
if (rotation != Quaternion.Identity)
{
transformMatrix *= rotation.Matrix;
}
if (position != Vector3.Zero)
{
if (origin != Vector3.Zero)
{
transformMatrix *= CreateTranslation(position - origin);
}
else
{
transformMatrix *= CreateTranslation(position);
}
}
if (origin != Vector3.Zero)
{
transformMatrix *= CreateTranslation(origin);
}
return(transformMatrix);
}
public bool Equals(Shear3D shear3D)
{
return(this == shear3D);
}