import json

def setup():
    size(500, 500)
    stroke(50, 50, 250)
    fill(150, 150, 250)
    rectMode(CENTER)

    global creatures
    
    try:
        f = open("creatures.json","r")
        file_contents = f.read()
        creatures = json.loads(file_contents)
    except IOError:
        creatures = []

def draw():
    background(255)

    i = 0
    while i <= len(creatures)-1:
        creature = creatures[i]
        fill( creature["r"], creature["g"], creature["b"])
        rect(creature["x"], creature["y"], 25, 25)
        creature["x"] = creature["x"] + random(-5,5)
        creature["y"] = creature["y"] + random(-5,5)
        
        i = i + 1

def stop():
    print("Goodbye")
    
    creatures_text = json.dumps(creatures)
    f = open("creatures.json","w")
    f.write(creatures_text)
    f.close()

def mousePressed():
    tmp_dict = {}
    tmp_dict["x"] = mouseX
    tmp_dict["y"] = mouseY
    tmp_dict["r"] = random(0,255) 
    tmp_dict["g"] = random(0,255) 
    tmp_dict["b"] = random(0,255)
    creatures.append(tmp_dict)