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Let's play the game Hopper-v2 (gym; source).

Getting paid

See the rules here.

Getting Started

  1. git clone

  2. cd quantilizers

  3. pip install -Ur gather_data_requirements.txt

  4. python

  5. Follow the specific instructions for your game (see below).

Instructions for Hopper-v2

  1. The goal of this game is to go as far as you can on the right, using three rotations: the first one is next to the foot, the middle one and a higher one.

  2. After launching python, you should see some mujocopy rendering (see image below).

  3. Press d to have "render every frame" set to Off, and press Tab to have an horizontal camera angle that follows you.

  4. After step 1), you will now start playing the game using your keyboard. To allow PyGame to listen to your keyboard movements, you must have the focus on the pygame black window (i.e. the black window must be in front of any rendering from the environment).

black window pygame

  1. When the pygame black window is in front, the keys to move are {j,k} (for the foot), {w,s} for the top junction and {a,d} for the middle junction. Those keys can be directly modified in the file, replacing {j,k,w,s,a,d} with your keys.

  2. To do a few steps, you can mostly use the keys for the foot (jk) and sometimes use the keys from the upper junction (sw). It's recommended to watch a video of a trained AI performing the Hopper-v2 task here before playing.

  3. When you're done, you can close the window using the [Esc] key.

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