Create a random creature

creature_generate.py

#disgusting code dont try to read

from PIL import Image, ImageFilter

import os
import sys
import random
import math

def fill(arr, x, y):
    out = []
    
    fill_q = set()
    fill_q.add((x,y))
    while fill_q:
        x, y = fill_q.pop()
        if (x,y) in out:
            continue
        if arr[x][y] != -1:
            out.append((x,y))
            if x > 0 and x < 31 and y > 1 and y < 31:
                fill_q.add((x,y-1))
                fill_q.add((x,y+1))
                fill_q.add((x+1,y))
                fill_q.add((x-1,y))
    return out

def randimg(filen, base):
    img = Image.open(base)
    im = img.load()
    
    while True:
        pic = [[-1 for x in range(32)] for y in range(32)]
        for x in range(8, 24):
            for y in range(1, 31):
                if random.randint(0, 100) < math.sqrt(x*x + y*y):
                    pic[x][y] = random.randrange(4)
                    
        for generation in range(4):
            tmp = [[-1 for x in range(32)] for y in range(32)]
            for x in range(1, 31):
                for y in range(1, 31):
                    count = 0
                    for i in range(-1, 2):
                        for j in range(-1, 2):
                            if pic[x+i][y+j] != -1:
                                count += 1
                                
                    if pic[x][y] == -1:
                        if count > 4 or count == 0:
                            tmp[x][y] = random.randrange(4)
                        
                    elif pic[x][y] != -1:
                        if count < 4 or count == 0:
                            tmp[x][y] = -1
                            
            pic = [[tmp[x][y] for x in range(32)] for y in range(32)]
             
        face_color = (0,0,0,255)
        colors = []
        if random.randrange(2) == 0:
            for i in range(4):
                r = random.choice([0,32,64,96])
                g = random.choice([0,32,64,96])
                b = random.choice([0,32,64,96])
                colors.append((r,g,b,255))
            face_color = (255,255,255,255)
        else:
            for i in range(4):
                r = random.choice([128,160,192,224])
                g = random.choice([128,160,192,224])
                b = random.choice([128,160,192,224])
                colors.append((r,g,b,255))
            
            
        for generation in range(2):
            for x in range(1, 31):
                for y in range(1, 31):
                    if pic[x][y] == -1:
                        continue
                    else:
                        counts = [0,0,0,0]
                        for i in range(-1, 2):
                            for j in range(-1, 2):
                                color = pic[x+i][y+j]
                                if color == -1:
                                    continue
                                else:
                                    counts[color] += 1
                        color = counts.index(max(counts))
                        if color == pic[x][y]:
                            for i in range(-1, 2):
                                for j in range(-1, 2):
                                    if pic[x+i][y+j] == -1:
                                        continue
                                    if random.randrange(100) < 40:
                                        pic[x+i][y+j] = color
                        else:
                            if random.randrange(100) < 10:
                                pic[x][y] = color
            
        x = random.randrange(10, 22)
        y = random.randrange(10, 22)
        while (pic[x][y] == -1):
            x = random.randrange(10, 22)
            y = random.randrange(10, 22)
        
        save = fill(pic, x, y)
        
        for x in range(32):
            for y in range(32):
                if not (x,y) in save:
                    pic[x][y] = -1
            
        out = False
        for x in range(10, 22):
            if out:
                break
            for y in range(10, 22):
                if out:
                    break
                    
                count = 0
                for i in range(-2, 4):
                    for j in range(-2, 4):
                        if pic[x+i][y+j] != -1:
                            count += 1
                
                if count == 36:
                    pic[x][y] = -2
                    pic[x+2][y] = -2
                    pic[x][y+2] = -2
                    pic[x+1][y+2] = -2
                    pic[x+2][y+2] = -2
                    out = True
                count = 0
                        
        if out:
            break
                
    for x in range(32):
        for y in range(32):
            out = (0,0,0,0)
            if x >= 8 and x <= 24 and y >= 8 and y <= 24:
                if pic[x][y] >= 0:
                    out = colors[pic[x][y]]
                elif pic[x][y] == -2:
                    out = face_color
                im[x,y] = out
                
    img.save(filen, "PNG")
        
infile = sys.argv[1]
walk_dir = sys.argv[2]

for i in range(100):
    print i
    outfname = walk_dir + "/" + str(i) + ".png"
    randimg(outfname, infile)

view.html

<html>
<head>
<style>

#img {
	image-rendering: pixelated;
	width: 320px;
	height: 320px;
}
</style>

<script>

var pic = 0;

var nextfn = function() {
	pic++;
	document.getElementById("img").src = "output/" + pic + ".png"; 
};

var prevfn = function() {
	if (pic === 0) return;
	pic--;
	document.getElementById("img").src = "output/" + pic + ".png";
};

</script>
</head>

<body>

<img id="img" src="cell/0.png">

<button onclick="prevfn();">PREV</button>
<button onclick="nextfn();">NEXT</button>

</body>

</html>

Usage:
python creature_generate.py <path_to_image_with_same_size_as_images_generated> <directory_to_place_images>

note: this will make 100 images in the specified directory