I'm trying to make a treasure hunt type game with Python and turtle
The goal is that a random step will be written on the screen the user will then use the arrow keys to follow the directions and press enter when done, then another step will be displayed
I'm coding it using trinket.io
I know that I have to have some way to stop the program but still allow the user to move the turtle with the arrows after each step but what I've tried so far hasn't worked.
Here is the program so far:
################################################
## This program simulates following a series ##
## of directions in a random order to see if ##
## You will end up at the same place ##
################################################
import turtle
import random
#############################
### Variable declareation ###
#############################
unit = 10 # this is the distance the turtle will move each time a key is pressed
hunt1 = turtle.Turtle() # turtle used in the first hunt
hunt2 = turtle.Turtle()# turtle used in the sedond hunt
hunt3 = turtle.Turtle()#turtle used in the third hunt
directions = turtle.Turtle()#used to print the steps
screen = turtle.Screen()# creates a Screen
koopa = [hunt1,hunt2,hunt3] # a collection of 'hunt' turtles
color = ['black','green','red']
map = ['Step 1', 'step 2', 'step3'] #this holds all the steps in the treasure hunt
x = random.randint(-50,0)
y = random.randint(-50,0)
next_step = False
#################
## Functions ##
#################
def set_koopa():
c=0
for i in koopa:
i.penup()
i.goto(x,y)
i.color(color[c])
i.pendown()
c=c+1
def east():
k.setheading(180)
k.forward(unit)
def west():
k.setheading(0)
k.forward(unit)
def north():
k.setheading(90)
k.forward(unit)
def south():
k.setheading(270)
k.forward(unit)
def enter():
next_step = True
##################
## key bindings ##
##################
screen.onkey(east, 'left')
screen.onkey(west, 'right')
screen.onkey(north, 'up')
screen.onkey(south, 'down')
screen.onkey(enter, 'enter')
screen.listen()# tells the compouter to listen for keystrokes
z=0 #debug
############
## Main ##
############
directions.goto(0,0)
directions.ht()
set_koopa()
for k in koopa:
while len(map)!=0: # checks if there are items left in the list
l = len(map) # returns the number if items
directions.write(map.pop(random.randint(0,l-1))) #randomly takes an item and removes it and writes in on the screen
while not next_step: #gives time for user to move
z=z+1#debug
print z #debug
print next_step #debug
directions.clear()
The code in question is at the bottom.
The first thing I tried didn't have the loop:
while not next_step: #gives time for user to move
z=z+1#debug
print z #debug
print next_step #debug
Instead, I had the code asking for input, but that didn't allow the user to move the turtle.
I don't believe your code would work under the regular turtle that comes with standard Python. First, you tagged [python-3.x] but you use Python 2 style print statements.
But more importantly, your event logic is misguided. You shouldn't spin in a tight loop waiting for a turtle event:
while not next_step: #gives time for user to move
z=z+1#debug
print z #debug
print next_step #debug
as you're likely blocking out events by not turning control over to the event handler. Plus other little errors in the code (eg. a missing global statement.) Below is my rework that roughly operates under standard Python 2 or Python 3 turtle:
################################################
## This program simulates following a series ##
## of directions in a random order to see if ##
## you will end up at the same place ##
################################################
from turtle import Turtle, Screen, mainloop
from random import randint, choice
#############################
### Variable declarations ###
#############################
unit = 10 # this is the distance the turtle will move each time a key is pressed
directions = Turtle(visible=False) # used to print the steps
directions.penup()
screen = Screen() # creates a Screen
koopa = { # a collection of 'hunt' turtles
'black': Turtle(visible=False), # turtle used in the first hunt,
'green': Turtle(visible=False), # turtle used in the second hunt,
'red': Turtle(visible=False), # turtle used in the third hunt,
}
steps = ['Step 1', 'Step 2', 'Step 3'] # this holds all the steps in the treasure hunt
x = randint(-50, 0)
y = randint(-50, 0)
next_step = True
active = None
#################
## Functions ##
#################
def set_koopa():
for color, hunt in koopa.items():
hunt.penup()
hunt.goto(x, y)
hunt.color(color)
hunt.pendown()
def east():
active.setheading(0)
active.forward(unit)
def west():
active.setheading(180)
active.forward(unit)
def north():
active.setheading(90)
active.forward(unit)
def south():
active.setheading(270)
active.forward(unit)
def enter():
global next_step
next_step = True
##################
## key bindings ##
##################
screen.onkey(east, 'Right')
screen.onkey(west, 'Left')
screen.onkey(north, 'Up')
screen.onkey(south, 'Down')
screen.onkey(enter, 'Return')
screen.listen() # tells the computer to listen for keystrokes
############
## Main ##
############
set_koopa()
def check_step():
global active, next_step
if next_step:
next_step = False
directions.clear()
active = choice(list(koopa.values())) # or somesuch
active.showturtle()
if steps:
l = len(steps) # returns the number if items
directions.write(steps.pop(randint(0, l - 1))) # randomly takes an item and removes it and writes in on the screen
else:
return
screen.ontimer(check_step, 100)
check_step()
mainloop()