//---------------------WorldTransform--------------------------------
//
// sets up the translation matrices for the mines and applies the
// world transform to each vertex in the vertex buffer passed to this
// method.
//-------------------------------------------------------------------
void CController::WorldTransform(vector<SPoint> &VBuffer, SVector2D vPos)
{
//create the world transformation matrix
C2DMatrix matTransform;
//scale
matTransform.Scale(CParams::dMineScale, CParams::dMineScale);
//translate
matTransform.Translate(vPos.x, vPos.y);
//transform the ships vertices
matTransform.TransformSPoints(VBuffer);
}
//---------------------WorldTransform--------------------------------
//
// sets up a translation matrix for the sweeper according to its
// scale, rotation and position. Returns the transformed vertices.
//-------------------------------------------------------------------
void CDiscMinesweeper::WorldTransform(vector<SPoint> &sweeper)
{
//create the world transformation matrix
C2DMatrix matTransform;
//scale
matTransform.Scale(m_dScale, m_dScale);
//rotate
matTransform.Rotate((m_dRotation-1) * CParams::dHalfPi);
//and translate
matTransform.Translate(m_vPosition.x, m_vPosition.y);
//now transform the ships vertices
matTransform.TransformSPoints(sweeper);
}
//---------------------WorldTransform--------------------------------
//
// sets up a translation matrix for the sweeper according to its
// scale, rotation and position. Returns the transformed vertices.
//-------------------------------------------------------------------
void CMinesweeper::WorldTransform(vector<SPoint> &sweeper, double scale)
{
//create the world transformation matrix
C2DMatrix matTransform;
//scale
matTransform.Scale(scale, scale);
//rotate
matTransform.Rotate(m_dRotation);
//and translate
matTransform.Translate(m_vPosition.x, m_vPosition.y);
//now transform the ships vertices
matTransform.TransformSPoints(sweeper);
}
//---------------------WorldTransform--------------------------------
//
// sets up the translation matrices for the ship and applies the
// world transform to the ships vertex buffer
//-------------------------------------------------------------------
void CGun::WorldTransform()
{
//copy the original vertices into the buffer about to be transformed
m_vecGunVBTrans = m_vecGunVB;
//create a transformation matrix
C2DMatrix matTransform;
//scale
matTransform.Scale(m_dScale, m_dScale);
//and translate
matTransform.Translate(m_vPos.x, m_vPos.y);
//now transform the ships vertices
matTransform.TransformSPoints(m_vecGunVBTrans);
}
//---------------------WorldTransform--------------------------------
//
// sets up the translation matrices for the ship and applies the
// world transform to the ships vertex buffer
//-------------------------------------------------------------------
void CLander::WorldTransform(vector<SPoint> &ship)
{
//create a transformation matrix
C2DMatrix matTransform;
//scale
matTransform.Scale(m_dScale, m_dScale);
//rotate - remember, because the mapping mode is set so that the y
//axis is pointing up, the rotation is reversed
matTransform.Rotate(-m_dRotation);
//and translate
matTransform.Translate(m_vPos.x, m_vPos.y);
//now transform the ships vertices
matTransform.TransformSPoints(ship);
}