D3DXVECTOR3 center(0.0f, 0.0f, 0.0f); // center at the upper-left corner\r
D3DXVECTOR3 position((FLOAT)PLAYGROUND_BORDER_LEFT+subitem_width*col, (FLOAT)PLAYGROUND_BORDER_TOP+subitem_height*row, 0.0f); // position at 50, 50 with no depth\r
#ifdef WIN32\r
D3DXVECTOR3 center(0.0f, 0.0f, 0.0f); // center at the upper-left corner\r
D3DXVECTOR3 position((FLOAT)PLAYGROUND_BORDER_LEFT+subitem_width*col, (FLOAT)PLAYGROUND_BORDER_TOP+subitem_height*row, 0.0f); // position at 50, 50 with no depth\r