D3DXVECTOR3* CTools::W2S(LPDIRECT3DDEVICE9 pDevice, D3DXVECTOR3 &Position)
{
	D3DXVECTOR3 vWorldLocation = Position;
	pDevice->GetTransform(D3DTS_VIEW, &ViewMatrix);
	pDevice->GetTransform(D3DTS_PROJECTION, &ProjMatrix);
	pDevice->GetTransform(D3DTS_WORLD, &WorldMatrix);
	pDevice->GetViewport(&viewPort);

	D3DXMatrixIdentity(&Identity);
	D3DXVec3Project(&Position, &vWorldLocation, &viewPort, &ProjMatrix, &ViewMatrix, &Identity);

	if (Position.z < 1)
	{
		return &Position;
	}
	return NULL;
}