109 questions
1
vote
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65
views
Unity: ML-Agents training freeze with RenderTexture on Unity 6.3 LTS and ML-Agents 4.0.2 (eventually resumes)
I am training a PPO agent using ML-Agents 4.0.2 on Unity 6.3 LTS and I am encountering a reproducible long-running stall that appears to be related to visual observations via RenderTexture.
The setup ...
- 505
0
votes
0
answers
184
views
Installing Onnx package broke all python dependencies
I followed all of the instructions in this video and installed al the the proper packages on top of Python 3.10.0
https://www.youtube.com/watch?v=v1d7SinTzEY&t=1s
pip install torch torchaudio ...
- 3,724
0
votes
0
answers
71
views
Agent instantly teleports or moves too fast to capture the flag
I'm creating a Capture-the-Flag style game in Unity using ML-Agents. The setup includes:
2 Agents (one per team)
Each team has a flag and a base
NavMesh is also added to the floor. and navmesh agents ...
- 11
0
votes
1
answer
180
views
ML-Agents: Environment Executables unable to train - Game is launched instead
I have ml-agents up and running. When I run mlagents-learn from the command line, and play the game from the Unity Editor - everything works fine (the agent trains). But when I build the game and try ...
- 18
1
vote
1
answer
163
views
mlagents-learn --help is giving errors (python=3.11, 3.10, 3.9, 3.8)
I am trying to install mlagents. I got to the part in python but after creating a virtual enviorment with pyenv and setting the local version to 3.10, 3.9, and 3.8 it works on none of them. I upgraded ...
- 15
0
votes
1
answer
93
views
Unity mlAgents not connecting to Unity
I followed a tutorial on how to set up mlagents in unity and that all mostly went smoothly. I got a simple scene set up like this:
With 3 Walls that reset the Episode and give a negative reward and ...
- 52
-3
votes
1
answer
66
views
How can I check the contents of the .demo file?
I generated demo files (my play data) using the ml-agent package in Unity. How can I check how that file is structured? When I open the file with a text viewer, it is full of unintelligible text. I ...
- 1
0
votes
1
answer
61
views
How can I formalize reinforcement learning evaluation metrics?
Good morning.
I am analyzing reinforcement learning results in TensorBoard. Is it appropriate to express the two metrics below with the following formula?
Cumulative reward: the mean cumulative ...
- 1
0
votes
0
answers
104
views
Hide and Seek game with Unity ML agent. Advice on reward system for going towards hider
I am looking for some insights on my rewards for seeker agent. I want him to be able to find hider in maze-like environment. I am using Raycasts (Ray Perception Sensor) as observation of environment. ...
0
votes
0
answers
56
views
Agent is null when any part of my game object collides
I'm training a rag doll to walk based on the WalkerAgent training from Unity and I changed a couple things around to better fit my purposes. Now every time any body part from the rag doll collides ...
1
vote
0
answers
89
views
How can I reposition my ArticulationBody-based robot in Unity using c# scripts?
Edit to simplify the question: I can't figure out how to use transform.position = Vector3(x,y,z) while using an ArticulationBody. I have tried changing this.transform.GetComponent<ArticulationBody&...
- 7
0
votes
1
answer
143
views
Global input problem when I use barracuda in Unity to execute a model trained by ML-agents
I already trained a .onnx model by ML-agents, but when I used barracuda to execute it, something went wrong. It said “KeyNotFoundException: The given key 'obs_0' was not present in the dictionary.” ...
0
votes
1
answer
55
views
UnityToGymWrapper does not receive proper raycast observations
I'm trying to train the "Sorter" unity game using stable-baseline3 PPO algo. I used the following code but found that the observations received by the UnityToGymWrapper is different than ...
-1
votes
1
answer
81
views
Random spawning (non-rigidbody) object clipping with ragdoll
I've been working with the ML-Agents library and trying to create a border around a randomly spawning target object. I created it, modified the script to teleport it to the same position as the target,...
- 81
-1
votes
1
answer
78
views
How to indicate mlagents-learn which parameters to test
I am starting to discover ML-Agents in Unity, and have some working code with a cube moving in 2d. I have now implemented the detection of space key for the cube to jump. I would like to instruct ...
- 3,971