A simple implementation of the Entity-Component pattern.
Project description
pyecs
A simple implementation of the Entity-Component pattern.
Install
This project is available on PyPI so you can simply install it via
pip install pyecs
Example
from dataclasses import dataclass
from typing import Tuple
from pyecs import ECController
# 1. build your components
@dataclass
class Transform:
position: Tuple[float, float] = (0.0, 0.0)
@dataclass
class Rigidbody:
velocity: Tuple[float, float] = (0.0, 0.0)
acceleration: Tuple[float, float] = (0.0, 0.0)
if __name__ == "__main__":
# 2. intialize controller
controller = ECController()
# 3. add some entities
scene = controller.add_entity()
scene.add_child(Transform(), Rigidbody(acceleration=(1.0, 0.0)))
scene.add_child(Transform(), Rigidbody(acceleration=(0.0, 1.0)))
scene.add_child(Transform(), Rigidbody(acceleration=(1.0, 1.0)))
# 4. run everything
while True:
for transform, rigidbody in controller.get_entities_with(Transform, Rigidbody, unpack=True):
rigidbody.velocity = (
rigidbody.velocity[0] + rigidbody.acceleration[0],
rigidbody.velocity[1] + rigidbody.acceleration[1],
)
transform.position = (
transform.position[0] + rigidbody.velocity[0],
transform.position[1] + rigidbody.velocity[1],
)
print(f"{transform=}\t{rigidbody=}")
Dev Setup
Simply install pipenv and run the following line:
pipenv install --dev
Project details
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Source Distribution
pyecs-0.10.tar.gz
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