gl.glVertex3d(cell.getX(), cell.getY(), 0);
gl.glTexCoord2d(tc.right(), tc.top());
gl.glVertex3d(cell.getX() + cell.getWidth(), cell.getY(), 0);
gl.glTexCoord2d(tc.right(), tc.bottom());
gl.glVertex3d(cell.getX() + cell.getWidth(),
cell.getY() + cell.getHeight(), 0);
gl.glTexCoord2d(tc.left(), tc.bottom());
gl.glVertex3d(cell.getX(), cell.getY() + cell.getHeight(), 0);