lava_gap_s7.md 1.6 KB
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title: Lava Gap S7
Lava Gap S7
Description
The agent has to reach the green goal square at the opposite corner of the room, and must pass through a narrow gap in a vertical strip of deadly lava. Touching the lava terminate the episode with a zero reward. This environment is useful for studying safety and safe exploration.
Mission Space
Depending on the obstacle_type parameter:
Lava: "avoid the lava and get to the green goal square"- otherwise: "find the opening and get to the green goal square"
Action Space
| Num | Name | Action |
|---|---|---|
| 0 | left | Turn left |
| 1 | right | Turn right |
| 2 | forward | Move forward |
| 3 | pickup | Unused |
| 4 | drop | Unused |
| 5 | toggle | Unused |
| 6 | done | Unused |
Observation Encoding
- Each tile is encoded as a 3 dimensional tuple:
(OBJECT_IDX, COLOR_IDX, STATE) OBJECT_TO_IDXandCOLOR_TO_IDXmapping can be found in minigrid/minigrid.pySTATErefers to the door state with 0=open, 1=closed and 2=locked
Rewards
A reward of '1' is given for success, and '0' for failure.
Termination
The episode ends if any one of the following conditions is met:
- The agent reaches the goal.
- The agent falls into lava.
- Timeout (see
max_steps).
Registered Configurations
S: size of map SxS.
MiniGrid-LavaGapS5-v0MiniGrid-LavaGapS6-v0MiniGrid-LavaGapS7-v0