Small fix

src/stage.rs

@@ -205,7 +205,7 @@ impl Stage {
             // If our next cell would be one that we collide with.
             if npc.obstructed_from.contains(&next_cell.variance) {
                 npc.direction.invert();
-                hit_cells.push((npc.next_position().0 as usize, npc.next_position().1 as usize));
+                hit_cells.push((npc.pos_x, npc.pos_y));
                 continue;
             }