camouflage generator using cellular automata algorithm

camogen.py

import random
import numpy as np
from PIL import Image, ImageDraw
from damp11113.processbar import indeterminateStatus

class camogen:
    def __init__(self, grid_size=128, num_frames=15, color=[(75, 83, 32), (225, 215, 152), (103, 86, 69), (66, 71, 86)], ranseedx=0, ranseedy=100):
        self.grid_size = (grid_size, grid_size)
        self.num_frames = num_frames
        self.colors = color
        self.ranseedx = ranseedx
        self.ranseedy = ranseedy

    def initialize_grid(self, seed=None):
        if seed is not None:
            np.random.seed(seed)
        return np.random.choice([0, 1], size=self.grid_size)

    def apply_rules(self, grid):
        neighbor_count = sum(np.roll(np.roll(grid, i, 0), j, 1) for i in (-1, 0, 1) for j in (-1, 0, 1) if (i != 0 or j != 0))
        return (neighbor_count == 3) | (grid & (neighbor_count == 2))

    def update_grid(self, grid):
        new_grid = self.apply_rules(grid)
        grid[:] = new_grid[:]
        return grid

    def generate_frames(self, grid):
        images = []
        for idx in range(self.num_frames):
            img = Image.new('RGBA', self.grid_size)
            draw = ImageDraw.Draw(img)
            for i in range(self.grid_size[0]):
                for j in range(self.grid_size[1]):
                    if grid[i, j] == 1:
                        draw.rectangle([j, i, j + 1, i + 1], fill='black')
            img = img.convert("RGBA")
            datas = img.getdata()
            newData = []
            for item in datas:
                if item[0] in range(200, 256) and item[1] in range(200, 256) and item[2] in range(200, 256):
                    newData.append((255, 255, 255, 0))
                else:
                    newData.append(item)
            img.putdata(newData)
            images.append(img)
            grid = self.update_grid(grid)
        return images

    def gen(self):
        loading = indeterminateStatus(desc=f"generating camo {self.grid_size[0]}x{self.grid_size[1]}", end="[ ✔ ] generated")
        loading.start()
        # Randomly choose a new position for each color
        new_positions = list(range(len(self.colors)))
        random.shuffle(new_positions)
        # Create a new list with colors shuffled to new positions
        colors = [self.colors[i] for i in new_positions]
        loading.desc = f"generating camo {self.grid_size[0]}x{self.grid_size[1]} layer 0"
        L0 = Image.new("RGBA", self.grid_size)
        loading.desc = f"generating camo {self.grid_size[0]}x{self.grid_size[1]} layer 1"
        L1 = self.generate_frames(self.initialize_grid(random.randint(self.ranseedx, self.ranseedy)))[10]
        loading.desc = f"generating camo {self.grid_size[0]}x{self.grid_size[1]} layer 2"
        L2 = self.generate_frames(self.initialize_grid(random.randint(self.ranseedx, self.ranseedy)))[10]
        loading.desc = f"generating camo {self.grid_size[0]}x{self.grid_size[1]} layer 3"
        L3 = self.generate_frames(self.initialize_grid(random.randint(self.ranseedx, self.ranseedy)))[10]
        loading.desc = f"generating camo {self.grid_size[0]}x{self.grid_size[1]} painting layer 0"
        for x in range(self.grid_size[0]):
            for y in range(self.grid_size[1]):
                R, G, B = colors[0]
                L0.putpixel((x, y), (R, G, B, 255))
        loading.desc = f"generating camo {self.grid_size[0]}x{self.grid_size[1]} painting layer 1"
        for x in range(self.grid_size[0]):
            for y in range(self.grid_size[1]):
                R, G, B, A = L1.getpixel((x, y))
                if A == 255:
                    R, G, B = colors[1]
                L1.putpixel((x, y), (R, G, B, A))
        loading.desc = f"generating camo {self.grid_size[0]}x{self.grid_size[1]} painting layer 2"
        for x in range(self.grid_size[0]):
            for y in range(self.grid_size[1]):
                R, G, B, A = L2.getpixel((x, y))
                if A == 255:
                    R, G, B = colors[2]
                L2.putpixel((x, y), (R, G, B, A))
        loading.desc = f"generating camo {self.grid_size[0]}x{self.grid_size[1]} painting layer 3"
        for x in range(self.grid_size[0]):
            for y in range(self.grid_size[1]):
                R, G, B, A = L3.getpixel((x, y))
                if A == 255:
                    R, G, B = colors[3]
                L3.putpixel((x, y), (R, G, B, A))
        loading.desc = f"generating camo {self.grid_size[0]}x{self.grid_size[1]} mixing"
        merged_image = Image.alpha_composite(L0, L1)
        merged_image = Image.alpha_composite(merged_image, L2)
        merged_image = Image.alpha_composite(merged_image, L3)
        loading.stop()
        return merged_image

for i in range(10):
    camo = camogen(128)
    outcamo = camo.gen()
    outcamo.save(f"./camo/{i}.png")

Output: