void Engine::Render(void)
{
    if(GraphicsDevice != NULL)
    {
        temp = temp + movedir;
        if (temp > 254)
        {
            movedir = -1;
        }
        else if (temp < 1)
        {
            movedir = 1;
        }
		GraphicsDevice->Clear(0, NULL, D3DCLEAR_TARGET|D3DCLEAR_ZBUFFER, D3DCOLOR_XRGB(temp,0,0), 1.0f, 0);
		GraphicsDevice->BeginScene();

        D3DXMATRIX YawMatrix;
        //input changes viewport
        if (Input.GetKeyState(DIK_W) == 1)
        {
            CameraPosition.z = CameraPosition.z + 0.01f;
        }
        if (Input.GetKeyState(DIK_S) == 1)
        {
            CameraPosition.z = CameraPosition.z - 0.01f;
        }

        if (Input.GetKeyState(DIK_A) == 1)
        {
            YawAngle = 0.05;
        }
        else if (Input.GetKeyState(DIK_D) == 1)
        {
            YawAngle = -0.05;
        }
        else
        {
            YawAngle = 0;
        }
        
        D3DXMatrixRotationAxis(&YawMatrix, &CameraUp, YawAngle);
        D3DXVec3TransformCoord(&CameraLook, &CameraLook, &YawMatrix);
        D3DXVec3TransformCoord(&CameraRight, &CameraRight, &YawMatrix);

        D3DXMatrixIdentity(&ViewMatrix);
        ViewMatrix._11 = CameraRight.x;
        ViewMatrix._12 = CameraUp.x;
        ViewMatrix._13 = CameraLook.x;

        ViewMatrix._21 = CameraRight.y;
        ViewMatrix._22 = CameraUp.y;
        ViewMatrix._23 = CameraLook.y;

        ViewMatrix._31 = CameraRight.x;
        ViewMatrix._32 = CameraUp.x;
        ViewMatrix._33 = CameraLook.x;

        ViewMatrix._41 = -D3DXVec3Dot(&CameraPosition, &CameraRight);
        ViewMatrix._42 = -D3DXVec3Dot(&CameraPosition, &CameraUp);
        ViewMatrix._43 = -D3DXVec3Dot(&CameraPosition, &CameraLook);

        GraphicsDevice->SetTransform(D3DTS_VIEW, &ViewMatrix);

        planet->Render();

		GraphicsDevice->EndScene();

		GraphicsDevice->Present(NULL, NULL, NULL, NULL);	
    }
}