drunk turtle race

drunk_turtle_race7.py

import turtle
import random
w,h = 1200,750
turtle.setup(w,h)
colors = ["blue","red","green","yellow"]
goals = []
stable = []

y = h//2

for i, c in enumerate(colors):
	t = turtle.Turtle()
	t.shape("turtle")
	t.pencolor(c)
	y-= h//(len(colors)+1)
	goals.append((w/2,y)) # where the turtle should go
	t.goto(-w//2,y)
	t.clear()
	stable.append(t)

winner = []
while len(winner) < len(colors):
	for i, t in enumerate(stable):
		# turn because drunk?
		t.left(random.choice((-5,-4,-3,-2,-1,-1,0,0,0,0,0,0,0,0,1,1,2,3,4,5)))
		# forward
		roll = random.choice((0,1,2,3,4,5,6,7,8,9,10))
		t.forward(roll)
		# win?
		if t.xcor() > w//2:
			if t.pencolor() not in winner:
				winner.append(t.pencolor())
		# on way to target?
		deviation = t.towards(goals[i]) 
		# bounce on border ?
		if (t.xcor() <= -w//2) or (t.ycor()<-h//2) or (t.ycor()>h//2):
			t.setheading(0)
			t.left(deviation)
			t.forward(10) # extra boost to get away from border
		# slowly correct wrong direction
		relative_angle = t.heading() - deviation
		if  relative_angle != 0:
			if relative_angle > 0:
				t.left(1)
			else:
				t.left(-1)
		
			
			
			
text= "race is over" 
for rank, color in enumerate(winner):
	text+= f"\n{rank+1}.: {color}"
turtle.write(text, align="center", font=("Arial",55,"normal"))
turtle.exitonclick()