PutNext

Action Space	Discrete(8)
Observation Space	Box(0, 255, (60, 80, 3), uint8)
Creation	gymnasium.make("MiniWorld-PutNext-v0")

Description

Single-room environment where a red box must be placed next to a yellow box. The goal is to perform this task in as few steps as possible.

Action Space

Num	Action
0	turn left
1	turn right
2	move forward
3	move back
4	pick up
5	drop
6	toggle / activate an object
7	complete task

Observation Space

The observation space is an ndarray with shape (obs_height, obs_width, 3) representing an RGB image of what the agents see.

Rewards

+(1 - 0.2 * (step_count / max_episode_steps)) when red box is next to yellow box

Arguments

• size: size of world

env = gymnasium.make("Miniworld-PutNext-v0", size=12)