Psychonaut_Kareldriaan/main.py

from karel.stanfordkarel import *
"""
Karel is imitating a somewhat erratically and trippy Mondriaan. (Kareldriaan)
Description: https://codeinplace.stanford.edu/public/forum?post=29efc21e-7f6d-436f-b010-29b9003d20dd
"""

"""
Helper functions
"""
# Turn left thrice
def turn_right():
    for i in range(3):
        turn_left()

# Turn left twice
def turn_around():
    for i in range(2):
        turn_left()

# Walk if there is space
def move_if_clear():
    if front_is_clear():
        move()

# Continue walking where there is space
def move_while_clear():
    while front_is_clear():
        move()

"""
Mondriaan functions
"""
# Do not face walls, and sometimes change direction
def orient():
    # Perhaps turn
    if random(2): # 20% chance to turn
        if random(0.5): # 50% chance to go right or left
            turn_left()
        else:
            turn_right()
    
    # Make sure not to face an obstruction
    while front_is_blocked():
        turn_left()

# Mondriaan colours paint
def paint():
    """
    For animation purposes, paint before if statements.
    For making larger areas of the same colour, paint in else statements - but not for black and gray.
    """
    paint_corner("black")
    if random(0.7):
        paint_corner("gray")
        if random(0.7):
            paint_corner("red")
            if random(0.6):
                paint_corner("blue")
                if random(0.6):
                    paint_corner("yellow")
                    if random(0.6):
                        paint_corner("white")
                        if random(0.4):
                            for i in range(4):
                                move_if_clear()
                                turn_left()
                                paint_corner("white")
                            turn_right()                                
                            move_if_clear()
                    else:
                        if random(0.4):
                            for i in range(4):
                                move_if_clear()
                                turn_left()
                                paint_corner("yellow")
                            turn_right()
                            move_if_clear()
                else:
                    if random(0.4):
                        for i in range(4):
                            move_if_clear()
                            turn_left()
                            paint_corner("blue")
                        turn_right()
                        move_if_clear()
            else:
                if random(0.4):
                    for i in range(4):
                        move_if_clear()
                        turn_left()
                        paint_corner("red")
                    turn_right()
                    move_if_clear()

# Make art
def trip_loop():
    for i in range(777):    # Make 777 artistic loops
        paint()
        move_if_clear()
        orient()

# Sign painting
def signature():
    # Go to the uttermost south tile
    while not_facing_south():
        turn_left()
    move_while_clear()

    # Go to the uttermost east tile
    while not_facing_east():
        turn_left()
    move_while_clear()

    # Sign
    turn_around()
    for i in range(3):
        put_beeper()
        move()
    turn_around()

# Main program
def main():
    trip_loop()
    signature()


# Initialization
if __name__ == '__main__':
    main()