BTGraph Lite- AI Behaviour Tree Framework
TheCoderGuy
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Lightweight visual Behavior Tree system for Unity with a clean editor and fast AI workflow.BTGraph Lite is a lightweight and intuitive visual Behavior Tree system for Unity designed to simplify AI creation and accelerate development workflows. Create, organize, and manage AI logic using a clean node-based editor without needing to build custom AI architectures from scratch.BTGraph Lite uses familiar Behavior Tree concepts such as Selectors, Sequences, Conditions, Actions, and Decorators to allow developers to visually construct behaviors ranging from simple NPC logic to more advanced gameplay interactions.Designed with simplicity and flexibility in mind, BTGraph Lite is suitable for a wide range of projects and genres, including:• RPGs• Action games• Platformers• Survival games• Strategy games• Simulation games• Top-down games• Educational projects and prototypesFeatures:✓ Visual node-based Behavior Tree editor✓ Drag-and-drop workflow✓ Core Behavior Tree node types✓ Shared parameter / Blackboard support✓ Runtime execution framework✓ Lightweight and beginner-friendly design✓ Easy integration into existing projects✓ Designed for fast iteration and clean project structureBTGraph Lite is ideal for developers who want an efficient and streamlined AI workflow while maintaining flexibility and scalability for future growth.• Visual node-based Behavior Tree editor• Drag-and-drop node creation and organization• Core node support:Sequence nodesSelector nodesAction nodesCondition nodesDecorator nodes• Blackboard / shared parameter system• Runtime Behavior Tree execution system• Node connection and graph validation support• Modular and extensible architecture• Lightweight implementation with minimal overhead• Beginner-friendly workflow• Fast AI prototyping and iteration• Clean editor integration within Unity• Easy integration into existing projects• Compatible with 2D and 3D projects• Suitable for NPC behaviors, enemies, companions, interaction systems, and gameplay logic• Source code included for customization and extensionAI-assisted tools were used during parts of the development process for brainstorming, code suggestions, text refinement, and creation of marketing materials. All generated content was reviewed, modified, and integrated manually. The package architecture, implementation, functionality, editor systems, and overall design were developed and validated by the publisher.




