RMI_2D_REL_POS_MAX
x = min(RMI_2D_REL_POS_MAX, max(RMI_2D_REL_POS_MIN, (int)x));
y = min(RMI_2D_REL_POS_MAX, max(RMI_2D_REL_POS_MIN, (int)y));
x = min(RMI_2D_REL_POS_MAX, -x);
y = min(RMI_2D_REL_POS_MAX, -y);