behavior_tree

Description:

behavior tree

This package provides a simple and easy to use behavior tree API in pure dart.










Behavior tree is a very common way of implementing AI behavior in game and robotics. Using this, you
can break-down a complex behavior of an in game AI, into multiple smaller nodes.
Features #

Nodes

Composite

Sequence: Continues execution until one of the children fails.
Selector: Continues execution until one of the children succeeds.


Decorator

Inverter: Flips the status of the child node.
Limiter: Limits the number of ticks for child node.


Task

Task: Executes a given callback when ticked.
AsyncTask: Executes an async callback when ticked.
Condition: Checks a condition when ticked.





Getting started #
Add this package to your dart project using,
dart pub add behavior_tree
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Usage #

Create a behavior tree.

final treeRoot = Sequence(
children: [
Condition(() => isHungry),
Task(() => goToShop()),
Task(() => buyFood()),
Task(() => goToHome()),
Task(() => eatFood()),
]
);
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Tick the root node to update the tree.

final treeRoot = ...;
treeRoot.tick();
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