Initial commit

.gitignore

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+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+.idea/**/libraries

Readme.md

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+# Evolving Beings
+
+## Conda environment
+
+### Create environment
+
+```bash
+conda env create -f environment.yml
+```
+
+### Update environment after pulling new changes
+
+```bash
+conda env update --file environment.yml  --prune
+```
+
+### Update env file after dependencies:
+
+```bash
+conda env export > environment.yml
+```
+

environment.yml

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+name: evolving
+channels:
+  - conda-forge
+dependencies:
+  - appnope=0.1.3=pyhd8ed1ab_0
+  - argon2-cffi=21.3.0=pyhd8ed1ab_0
+  - argon2-cffi-bindings=21.2.0=py38h33210d7_2
+  - asttokens=2.0.5=pyhd8ed1ab_0
+  - attrs=21.4.0=pyhd8ed1ab_0
+  - backcall=0.2.0=pyh9f0ad1d_0
+  - backports=1.0=py_2
+  - backports.functools_lru_cache=1.6.4=pyhd8ed1ab_0
+  - beautifulsoup4=4.11.1=pyha770c72_0
+  - bleach=5.0.0=pyhd8ed1ab_0
+  - brotli=1.0.9=h1c322ee_7
+  - brotli-bin=1.0.9=h1c322ee_7
+  - bzip2=1.0.8=h3422bc3_4
+  - ca-certificates=2021.10.8=h4653dfc_0
+  - certifi=2021.10.8=py38h10201cd_2
+  - cffi=1.15.0=py38hc67bbb8_0
+  - cycler=0.11.0=pyhd8ed1ab_0
+  - debugpy=1.6.0=py38hea55cf5_0
+  - decorator=5.1.1=pyhd8ed1ab_0
+  - defusedxml=0.7.1=pyhd8ed1ab_0
+  - entrypoints=0.4=pyhd8ed1ab_0
+  - executing=0.8.3=pyhd8ed1ab_0
+  - flit-core=3.7.1=pyhd8ed1ab_0
+  - fonttools=4.33.3=py38he5c2ac2_0
+  - freetype=2.10.4=h17b34a0_1
+  - giflib=5.2.1=h27ca646_2
+  - importlib-metadata=4.11.3=py38h10201cd_1
+  - importlib_resources=5.7.1=pyhd8ed1ab_0
+  - ipykernel=6.13.0=py38h2cb4d76_0
+  - ipython=8.3.0=py38h10201cd_0
+  - ipython_genutils=0.2.0=py_1
+  - ipywidgets=7.7.0=pyhd8ed1ab_0
+  - jbig=2.1=h3422bc3_2003
+  - jedi=0.18.1=py38h10201cd_1
+  - jinja2=3.1.2=pyhd8ed1ab_0
+  - jpeg=9e=h1c322ee_1
+  - jsonschema=4.5.1=pyhd8ed1ab_0
+  - jupyter=1.0.0=py38h10201cd_7
+  - jupyter_client=7.3.1=pyhd8ed1ab_0
+  - jupyter_console=6.4.3=pyhd8ed1ab_0
+  - jupyter_core=4.9.2=py38h10201cd_0
+  - jupyterlab_pygments=0.2.2=pyhd8ed1ab_0
+  - jupyterlab_widgets=1.1.0=pyhd8ed1ab_0
+  - kiwisolver=1.4.2=py38h0f71543_1
+  - lcms2=2.12=had6a04f_0
+  - lerc=3.0=hbdafb3b_0
+  - libblas=3.9.0=14_osxarm64_openblas
+  - libbrotlicommon=1.0.9=h1c322ee_7
+  - libbrotlidec=1.0.9=h1c322ee_7
+  - libbrotlienc=1.0.9=h1c322ee_7
+  - libcblas=3.9.0=14_osxarm64_openblas
+  - libcxx=14.0.3=h6a5c8ee_0
+  - libdeflate=1.10=h3422bc3_0
+  - libffi=3.4.2=h3422bc3_5
+  - libgfortran=5.0.0.dev0=11_0_1_hf114ba7_23
+  - libgfortran5=11.0.1.dev0=hf114ba7_23
+  - liblapack=3.9.0=14_osxarm64_openblas
+  - libopenblas=0.3.20=openmp_h2209c59_0
+  - libpng=1.6.37=hf7e6567_2
+  - libsodium=1.0.18=h27ca646_1
+  - libtiff=4.3.0=h77dc3b6_3
+  - libwebp=1.2.2=h0d20362_0
+  - libwebp-base=1.2.2=h3422bc3_1
+  - libxcb=1.13=h9b22ae9_1004
+  - libzlib=1.2.11=h90dfc92_1014
+  - llvm-openmp=14.0.3=hd125106_0
+  - lz4-c=1.9.3=hbdafb3b_1
+  - markupsafe=2.1.1=py38h33210d7_1
+  - matplotlib=3.5.2=py38h150bfb4_0
+  - matplotlib-base=3.5.2=py38hd7f6e49_0
+  - matplotlib-inline=0.1.3=pyhd8ed1ab_0
+  - mistune=0.8.4=py38hea4295b_1005
+  - munkres=1.1.4=pyh9f0ad1d_0
+  - nbclient=0.5.13=pyhd8ed1ab_0
+  - nbconvert=6.4.5=py38h10201cd_0
+  - nbformat=5.4.0=pyhd8ed1ab_0
+  - ncurses=6.3=h07bb92c_1
+  - nest-asyncio=1.5.5=pyhd8ed1ab_0
+  - notebook=6.4.11=pyha770c72_0
+  - numpy=1.22.3=py38h4084d66_2
+  - openjpeg=2.4.0=h062765e_1
+  - openssl=3.0.3=ha287fd2_0
+  - packaging=21.3=pyhd8ed1ab_0
+  - pandocfilters=1.5.0=pyhd8ed1ab_0
+  - parso=0.8.3=pyhd8ed1ab_0
+  - pexpect=4.8.0=pyh9f0ad1d_2
+  - pickleshare=0.7.5=py_1003
+  - pip=22.0.4=pyhd8ed1ab_0
+  - prometheus_client=0.14.1=pyhd8ed1ab_0
+  - prompt-toolkit=3.0.29=pyha770c72_0
+  - prompt_toolkit=3.0.29=hd8ed1ab_0
+  - psutil=5.9.0=py38h33210d7_1
+  - pthread-stubs=0.4=h27ca646_1001
+  - ptyprocess=0.7.0=pyhd3deb0d_0
+  - pure_eval=0.2.2=pyhd8ed1ab_0
+  - pycparser=2.21=pyhd8ed1ab_0
+  - pygments=2.12.0=pyhd8ed1ab_0
+  - pyparsing=3.0.8=pyhd8ed1ab_0
+  - pyrsistent=0.18.1=py38h33210d7_1
+  - python=3.8.13=hd3575e6_0_cpython
+  - python-dateutil=2.8.2=pyhd8ed1ab_0
+  - python-fastjsonschema=2.15.3=pyhd8ed1ab_0
+  - python_abi=3.8=2_cp38
+  - pyzmq=22.3.0=py38h5f86631_2
+  - readline=8.1=hedafd6a_0
+  - send2trash=1.8.0=pyhd8ed1ab_0
+  - setuptools=62.2.0=py38h10201cd_0
+  - six=1.16.0=pyh6c4a22f_0
+  - soupsieve=2.3.1=pyhd8ed1ab_0
+  - sqlite=3.38.5=h40dfcc0_0
+  - stack_data=0.2.0=pyhd8ed1ab_0
+  - terminado=0.13.3=py38h10201cd_1
+  - testpath=0.6.0=pyhd8ed1ab_0
+  - tk=8.6.12=he1e0b03_0
+  - tornado=6.1=py38h33210d7_3
+  - traitlets=5.2.0=pyhd8ed1ab_0
+  - unicodedata2=14.0.0=py38h33210d7_1
+  - wcwidth=0.2.5=pyh9f0ad1d_2
+  - webencodings=0.5.1=py_1
+  - wheel=0.37.1=pyhd8ed1ab_0
+  - widgetsnbextension=3.6.0=py38h10201cd_0
+  - xorg-libxau=1.0.9=h27ca646_0
+  - xorg-libxdmcp=1.1.3=h27ca646_0
+  - xz=5.2.5=h642e427_1
+  - zeromq=4.3.4=hbdafb3b_1
+  - zipp=3.8.0=pyhd8ed1ab_0
+  - zlib=1.2.11=h90dfc92_1014
+  - zstd=1.5.2=h861e0a7_0
+  - pip:
+    - arcade==2.6.13
+    - pillow==9.0.1
+    - pyglet==2.0a2
+    - pymunk==6.2.1
+    - pytiled-parser==2.0.1
+    - typing-extensions==4.2.0
+prefix: /opt/homebrew/Caskroom/miniforge/base/envs/evolving

run.py

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+import arcade
+
+from src.world import World
+
+SCREEN_WIDTH = 500
+SCREEN_HEIGHT = 500
+SCREEN_TITLE = "Evolving Beings"
+
+
+class EvolvingBeings(arcade.Window):
+    def __init__(self):
+        super().__init__(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_TITLE)
+
+        self.world = World(250, 250)
+        self.world.spawn(10)
+
+    def setup(self):
+        """Sets up the world for the current simulation"""
+        pass
+
+    def on_key_press(self, key: int, modifiers: int):
+        """Processes key presses
+
+        Arguments:
+            key {int} -- Which key was pressed
+            modifiers {int} -- Which modifiers were down at the time
+        """
+
+    def on_key_release(self, key: int, modifiers: int):
+        """Processes key releases
+
+        Arguments:
+            key {int} -- Which key was released
+            modifiers {int} -- Which modifiers were down at the time
+        """
+
+    def on_update(self, delta_time: float):
+        """Updates the position of all game objects
+
+        Arguments:
+            delta_time {float} -- How much time since the last call
+        """
+        pass
+
+    def on_draw(self):
+        pass
+
+
+if __name__ == "__main__":
+    window = EvolvingBeings()
+    window.setup()
+    arcade.run()

src/being.py

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+import numpy as np
+from math import cos, sin
+import random
+
+# Hyper-parameters
+ENERGY_LOSS_GENERAL = 0.1
+ENERGY_LOSS_ACTIONS = 0.2
+
+FOOD_TO_ENERGY = 0.1
+WATER_TO_ENERGY = 0.1
+
+# Rotation vectors for movement
+theta = np.deg2rad(45)
+rot_right = np.array([[cos(theta), -sin(theta)], [sin(theta), cos(theta)]])
+rot_left = np.array([[cos(-theta), -sin(-theta)], [sin(-theta), cos(-theta)]])
+
+
+class Being:
+    """
+    Living being representation. If energy reaches 0 it will be dead
+
+    Energy goes down when performing actions, low energy leads to lower happiness.
+    """
+    # Subjective states (things the "brain" feels)
+    happiness = 1
+    hunger = 0
+    thirst = 0
+
+    # Objective states (hidden from the "brain")
+    food = 1
+    water = 1
+    energy = 1
+
+    direction = [1, 0] # vector from (0,0) (the being) to the direction its facing
+    action_space = ['NOOP', 'TURN_LEFT', 'TURN_RIGHT', 'MOVE', 'EAT', 'DRINK']
+
+    def choose_action(self):
+        action = random.choice(self.action_space)
+
+        if action != 'NOOP':
+            self.energy -= ENERGY_LOSS_ACTIONS
+
+        if action == 'TURN_LEFT' or action == 'TURN_RIGHT':
+            rot = rot_left if action == 'TURN_LEFT' else rot_right
+            self.direction = np.round(np.dot(rot, self.direction), 0).astype(int)
+
+        return action
+
+    def step(self):
+        self.energy -= ENERGY_LOSS_GENERAL
+
+        if self.food > 0:
+            self.food -= FOOD_TO_ENERGY
+            self.energy += FOOD_TO_ENERGY
+
+        if self.water > 0:
+            self.water -= WATER_TO_ENERGY
+            self.energy += WATER_TO_ENERGY
+
+    def color(self):
+        return 155 + self.energy * 100

src/cell.py

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+class Cell:
+    def __init__(self, x, y):
+        self.x = x
+        self.y = y
+        self.type = 'NONE'
+        self.content = None
+
+    def update(self, type, content=None):
+        self.type = type
+        self.content = content
+
+    def color(self):
+        if self.type == 'NONE':
+            return 0
+
+        if self.type == 'BEING':
+            return self.content.color()