public Matrix4(Quaternion rot)
{
Matrix4 m = IDENTITY;
Matrix3 rotationMatrix = rot.ToRotationMatrix();
m.AssignMatrix3(rotationMatrix);
this = m;
}
private void spin(Degree deg)
{
Mogre.Quaternion orient1 = control.Actor.GlobalOrientationQuaternion;
Mogre.Vector3 rkAxis = new Mogre.Vector3();
Degree rfAngle = new Degree();
orient1.ToRotationMatrix().ToAxisAngle(out rkAxis, out rfAngle);
Mogre.Quaternion orient2 = new Quaternion(new Radian(deg), new Mogre.Vector3(0, 1, 0));
//control.Actor.GlobalOrientationQuaternion = orient2;
//setOrient(orient2);
setOrient(orient2);
}
public void MakeTransform(Vector3 position, Vector3 scale, Quaternion orientation)
{
Matrix3 rotationMatrix = orientation.ToRotationMatrix();
Matrix3 zero = Matrix3.ZERO;
zero.m00 = scale.x;
zero.m11 = scale.y;
zero.m22 = scale.z;
AssignMatrix3(rotationMatrix * zero);
SetTrans(position);
m30 = 0.0f;
m31 = 0.0f;
m32 = 0.0f;
m33 = 1f;
}
/// <summary>Building an inverse Matrix4 from orientation / scale / position. As makeTransform except it build the inverse given the same data as makeTransform, so performing -translation, -rotate, 1/scale in that order. </summary>
public void MakeInverseTransform(Vector3 position, Vector3 scale, Quaternion orientation)
{
Vector3 negposition = -position;
Vector3 negscale = new Vector3(1f / scale.x, 1f / scale.y, 1f / scale.z);
Quaternion quaternion = orientation.Inverse();
Vector3 vector3_3 = negposition * negscale;
Vector3 v = quaternion * vector3_3;
Matrix3 rotationMatrix = quaternion.ToRotationMatrix();
Matrix3 zero = Matrix3.ZERO;
zero.m00 = negscale.x;
zero.m11 = negscale.y;
zero.m22 = negscale.z;
AssignMatrix3(zero * rotationMatrix);
SetTrans(v);
m30 = 0.0f;
m31 = 0.0f;
m32 = 0.0f;
m33 = 1f;
}
