/*****[ getView ]**************************************************************/
Math::Transform
Camera::getView()
{
//Create the View
Math::Transform view;
// Transpose the current position of eye
Math::Matrix3 temp_mat = m_eye.getOrientation();
temp_mat.transpose();
// Set views orientation to be the transpose of eye
view.setOrientation(temp_mat);
// Get the eye's position
Vector3 temp_pos = m_eye.getPosition();
// Negate it.
temp_pos.negate();
temp_pos = temp_mat.transform(temp_pos);
// Set it.
view.setPosition(temp_pos);
return view;
}
Math::Transform
Camera::getViewMatrix ()
{
Math::Transform view;
Vector3 at (m_camera.getBack ().x + m_camera.getPosition ().x, m_camera.getBack ().y + m_camera.getPosition ().y, m_camera.getBack ().z + m_camera.getPosition ().z);
Vector3 eye (m_camera.getPosition ());
Vector3 up (m_camera.getUp ());
Vector3 back = eye - at;
back.normalize ();
Vector3 right = up.cross(back);
right.normalize ();
eye.negate ();
Math::Matrix3 rotScale (right, up, back);
rotScale.transpose ();
view.setOrientation (rotScale);
Vector3 translation = rotScale * eye;
//Vector3 translation = -eye;
view.setPosition (translation);
return view;
}