if (!(barrier(state, x, 0) & U) ||
!(barrier(state, x, state->height-1) & D))
state->wrapping = TRUE;
- for (y = 0; y < state->width; y++)
+ for (y = 0; y < state->height; y++)
if (!(barrier(state, 0, y) & L) ||
!(barrier(state, state->width-1, y) & R))
state->wrapping = TRUE;