LEFT HAND FIRST

import turtle, time, sys


wn = turtle.Screen()
wn.bgcolor("powderblue")
wn.setup(1300,700)
wn.tracer(0)

pen=turtle.Turtle()
pen.hideturtle()
pen.up()
pen.color("white")
pen.goto(0, -250)
pen.write("LEFT HAND RULE VISUALIZATION ALGORITHM",False,"center",font=("Arial Narrow",20,"bold"))


class Maze(turtle.Turtle):
    def __init__(self):
        turtle.Turtle.__init__(self)
        self.shape("square")
        self.color("white")
        self.penup()
        self.speed(0)

class End(turtle.Turtle):
    def __init__(self):
        turtle.Turtle.__init__(self)
        self.shape("square")
        self.color("green")
        self.penup()
        self.speed(0)


class sprite(turtle.Turtle):
    def __init__(self):
        turtle.Turtle.__init__(self)
        self.shape("square")
        self.color("yellow")
        self.setheading(270)
        self.penup()
        self.speed(0)


    def spriteDown(self):
        if (self.heading() == 270):
            x_walls = round(sprite.xcor(),0)
            y_walls = round(sprite.ycor(),0)
            if (x_walls, y_walls) in finish:
                pen.clear()
                pen.write("FINISHED",False,"center",font=("Arial Narrow",20,"bold"))
                endProgram()
            if (x_walls +24, y_walls) in walls:
                if(x_walls, y_walls -24) not in walls:
                    self.forward(24)
                else:
                    self.right(90)
            else:
                self.left(90)
                self.forward(24)


    def spriteleft(self):
        if (self.heading() == 0):
            x_walls = round(sprite.xcor(),0)
            y_walls = round(sprite.ycor(),0)
            if (x_walls, y_walls) in finish:
                pen.clear()
                pen.write("FINISHED",False,"center",font=("Arial Narrow",20,"bold"))
                endProgram()
            if (x_walls, y_walls +24) in walls:
                if(x_walls +24, y_walls) not in walls:
                    self.forward(24)
                else:
                    self.right(90)
            else:
                self.left(90)
                self.forward(24)


    def spriteUp(self):
        if (self.heading() == 90):
            x_walls = round(sprite.xcor(),0)
            y_walls = round(sprite.ycor(),0)
            if (x_walls, y_walls) in finish:
                pen.clear()
                pen.write("FINISHED",False,"center",font=("Arial Narrow",20,"bold"))
                endProgram()
            if (x_walls -24, y_walls ) in walls:
                if (x_walls, y_walls + 24) not in walls:
                    self.forward(24)
                else:
                    self.right(90)
            else:
                self.left(90)
                self.forward(24)

    def spriteRight(self):
        if (self.heading() == 180):

            x_walls = round(sprite.xcor(),0)
            y_walls = round(sprite.ycor(),0)
            if (x_walls, y_walls) in finish:
                pen.clear()
                pen.write("FINISHED",False,"center",font=("Arial Narrow",20,"bold"))
                endProgram()
            if (x_walls, y_walls -24) in walls:
                if (x_walls - 24, y_walls) not in walls:
                    self.forward(24)
                else:
                    self.right(90)
            else:
                self.left(90)
                self.forward(24)

def endProgram():
    wn.exitonclick()
    sys.exit()

def setup(grid):
    for y in range(len(grid)):
        for x in range(len(grid[y])):
            character = grid[y][x]
            screen_x = -588 + (x * 24)
            screen_y = 288 - (y * 24)

            if character == "+":
                mazeee.goto(screen_x, screen_y)
                mazeee.stamp()
                walls.append((screen_x, screen_y))

            if character == "o":
                end.goto(screen_x, screen_y)
                end.stamp()
                finish.append((screen_x, screen_y))
            if character == "c":
                sprite.goto(screen_x, screen_y)

mazeee = Maze()
sprite = sprite()
end = End()
walls =[]
finish = []



















#MAIN PROGRAM
grid = [
"++++++++++++++++++++++++++++++++++++++++++++++",
"+c                                           +",
"++++++++ ++++  +++++++++++++  +++++++  ++++  +",
"+  +        +                 +        +     +",
"+  +++++++  +++++++++++                +++++++",
"+  +     +  +           +  +                 +",
"+  +  +  +  +  +        +  +  ++++++++++++++ +",
"+  +  +o +  +  +  +     +  +  +  +        +  +",
"+  +  ++++  +  ++++++++++  +  +  ++++  +  +  +",
"+  +     +  +              +           +  +  +",
"+  ++++  +  +      +++++++++  ++++++++++++++++",
"+     +  +                    +           +  +",
"++++  +  +++++++        +++++++  ++++++++++  +",
"+  +  +                          +     +  +  +",
"+ ++  ++++  +++++++++++++     ++++  +  +  +  +",
"+  +  +     +     +     +     +     +     +  +",
"+  +  +  +++++++  ++++        +  +++++++++   +",
"+                                            +",
"++++  +  +                       +++++++++++++",
"++++++++++++++++++++++++++++++++++++++++++++++",
]

setup(grid)

wn.update()
time.sleep(1)

while True:
        wn.update()
        sprite.spriteRight()
        sprite.spriteDown()
        sprite.spriteleft()
        sprite.spriteUp()

        time.sleep(0.01)

wn.mainloop()
#MADE BY AVMP
#https://www.youtube.com/channel/UCQor7IURWM-lGT-tmFbFSCw