Billiard Template

Latest Version 1.0 - Released

Billiard Template
Links: [Asset Store] [Discord]


About:
Billiard Game Template for Unity is an event-based billiard physics engine in which differential equations of motion are solved exactly, thus creating a simulation that conforms to reality. This method is much faster than conventional solvers used in physics engines as it does not have an explicit simulation step but rather a search is performed for the next event(state change) when the differential equation to be solved is updated. Differential equations are solved analytically so precision only depends on the model!

Features:

• Event-Based Physics Engine
• Finite State Machine Gameplay
• Fast And Stable Solvers
• 6-DOF Ball Movement
• Impulse-Based Collision Response With Friction
• Double precision
• Threaded solver using Jobs and Burst Compilation
• 8Pool Example
• And more!

Todo:

• Network
• VR Support
• Android Support

Support:

Email: onedragutin@gmail.com
Website: https://nitugard.pages.dev/
Documentation: https://billiarddocs.pages.dev/
Asset: https://assetstore.unity.com/packages/templates/systems/billiard-template-236246​

 

Initial version 1.0 is now available on the asset store!

If you have any questions I'll be happy to answer

 

The board returns to the starting state after the stroke，I don't know where it was configured

 

Hello @povit,

If the initial strike does not satisfy common eight pool ball rules, then the board is reset to previous(initial) state.
You can change this behavior in BilliardTemplate/Code/Billiard/EightPool/EightPoolBilliard.cs

I am working on making billiard template simpler to use and edit. Will post results soon.

 

For single player game, how does it handle computer ai ? is there a way to handle the actions on code? can you get the probabilities to know what would be the best action to take.

thanks in advance

 

Hello @LoveAndDreams ,

Here's how the AI integration works:

1. Handling Computer AI:
The billiard simulation is designed to be event-driven, eliminating the need for simulating by incrementing delta time steps. This streamlined approach simplifies the AI integration process, enhances efficiency, and results in more intelligent AI behaviors. This represents a cutting-edge approach in game development.

2. Handling Actions in Code:
Yes, you can handle AI actions in code. You'll need to define AI behavior, evaluate game states, and make decisions based on the current situation.

3. Probabilities for Best Action:
The billiard simulation is deterministic, so there are no inherent probabilities involved. However, you have the flexibility to introduce uncertainty if desired, making the AI choose suboptimal shots in some cases.

It's worth noting that I've previously implemented AI using this template. The AI selected the best shot by simulating event-driven outcomes and considering the resulting table state. If you need assistance or have more questions, feel free to ask here or on our Discord for faster replies.

 

Thank you for the fast response. Your asset seems to be good at a good price. Does it include 2vs2?

 

No, it is just a core template with very realistic physics. You have the freedom to turn it into any kind of game you want.

 

Hi, Looks like a very nice billiard template.
One question I have though is if there is support for applying spin to the cue ball (Backspin, side spin, etc.)? I see that the physics simulation has 6DOF and support for sliding states etc. so it seems like the physics can handle that, but I cannot see any obvious way from the videos to input cue ball spin, and no reference in the documentation. Is that a supported feature and if not do you think it could be added in the future?
Also is the physics simulation deterministic? For example: if you take the same table state and inputs and simulate them on 2 different devices, will the outcome be identical?
Thanks in advance.

 

Hello @scottyboy805

Certainly, the physics simulation in the billiard template accounts for various types of spins. I'm excited to share this Android game with you, which was created using my billiard template. As they say, a video is worth a thousand pictures, so I invite you to take a look:

Feel free to explore the immersive experience and witness the realistic spin mechanics in action. Let me know your thoughts!

 

Great work indeed! Well done. Now to convince the "better-half"..Her indoors!

 

protected override void OnStableStateChange(bool isStable)
The parameters of this method represent whether the batting is completed, but it will be called multiple times in the Android environment. The iOS environment is normal. How can it be made normal in the Android environment?

 

Hello,

I'd be happy to assist you in resolving the issue you are experiencing. To better understand and address the problem, could you please provide more context or details about the issue you're facing?

If you'd like, you can also contact me on Discord.

Regards.