Merge pull request #259 from goktug97/close_on_key

Close on key

Mapping/raycasting_grid_map/raycasting_grid_map.py

@@ -124,6 +124,9 @@ def main():
 
         if show_animation:  # pragma: no cover
             plt.cla()
+            # for stopping simulation with the esc key.
+            plt.gcf().canvas.mpl_connect('key_release_event',
+                    lambda event: [exit(0) if event.key == 'escape' else None])
             draw_heatmap(pmap, minx, maxx, miny, maxy, xyreso)
             plt.plot(ox, oy, "xr")
             plt.plot(0.0, 0.0, "ob")