Update 2

1. Added rabbit home interior (press E to jump into rabbit hole).

2. Added rebuild rabbit function.

3. A small lake has been added near the home (press M to see the map).

4. Added X-axis / Y-axis speed adjustment option.

5. Added invert Y axis option.

6. Now the positions of carrots and vegetables are random in each game.

7. Terrain optimization.

8. carrot collision body optimization.

9. Performance optimization.