Python Game Programming Tutorial: SpaceWar 3

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#Python #Tutorial #Beginner

[NikhilKapadia]

HOLY, what happened from Tutorial 2 to Tutorial 3. That's a big jump

[sebastianjulonchamana]

I really feel good with this, I think this tutorial is perfect for me or someone who just recentelly learned a programming language already.

[jeffmunoz]

Well it did jumped a bunch from the previous tutorials but i get it, much of what we missed was the same information.
Looks good so far i think ill rewatch this again 8^D

[redstonejunky]

amazing tutorials. ive learned so much and started making my own games. still cant get images on my space invaders, thats upsetting. but on this video ive made a change. instead of having the sprite bounce off the walls. i changed the if code too


"if self.xcor < (-300: self.setx(300"


now my sprites go through the wall and out the other side. hopefully it doesnt mess things up.

[macaulayakin]

how do you make the turtle continuously move while holding down a key press? Currently player only moves with every press of the key. So if i want it to move again i have to first release the key and then press again for one move left or right or accelerate or decelerate. any info on that? im coding on windows 10

[yesveryprofesionalnameyes]

Windows users only:
put somewhere this code:
turtle.setup(800, 800)
this will make it so it looks more normal

[northerngamingdk]

What was the major changes? I mean if we look a part from what he did between 2 and 3?

[Sam-iqss]

hi sir. the code is working fine but after the steps of the third part, the border isnt white even after the command and the turtle is moving fine but a default turtle (which isnt moving) is there at the centre of the screen. basically two turtles but one of them isnt moving.

[kbebxtx]

Hello can you help me it says: ˋGame’ object has no attribute ‘draw_border‘

[shqdoow]

hey i know i am just a 13 year old guy who has have been commenting on ur videos about all the mistakes but if it disturbs u then i am sorry but there are some problems it shows this error code
Traceback (most recent call last):
File "C:\Users\User\Desktop\Python Projects\Space war.py", line 82, in <module>
game.draw_border()
File "C:\Users\User\Desktop\Python Projects\Space war.py", line 63, in draw_border
self.pen.speed(0)
AttributeError: 'Game' object has no attribute 'pen'

and this is the code
import os
import random
#Import the Turtle module
import turtle
#required by Windows 10 to show the window
turtle.fd(0)
#Set the animations speed to the maximum
turtle.speed(0)
#Change the background color
turtle.bgcolor("black")
#Hide the default turtle
turtle.ht()
#This saves memory
turtle.setundobuffer(1)
#This speeds up drawing
turtle.tracer(1)

class Sprite(turtle.Turtle):
def __init__(self, spriteshape, color, startx, starty):
turtle.Turtle.__init__(self, shape = spriteshape)
self.speed(0)
self.penup()
self.color(color)
self.fd(0)
self.goto(startx, starty)
self.speed = 1

def move(self):
self.fd(self.speed)

class Player(Sprite):
def __init__(self, spriteshape, color, startx, starty):
Sprite.__init__(self, spriteshape, color, startx, starty)
self.speed = 4
self.lives = 3

def turn_left(self):
self.lt(45)

def turn_right(self):
self.rt(45)

def accelerate(self):
self.speed += 1

def decelerate(self):
self.speed -= 1


class Game():
def __init___(self):
self.level = 1
self.score = 0
self.state = "playing"
self.pen = turtle.Turtle()
self.lives = 3

def draw_border(self):
#Draw border
self.pen.speed(0)
self.pen.color("white")
self.pen.pensize(3)
self.pen.penup()
self.pen.goto(-300, 300)
self.pen.pendown()
for side in range(4):
self.pen.fd(600)
self.pen.rt(90)
self.pen.penup()
self.pen.ht()



#Create game object
game = Game()


#Draw the game border
game.draw_border()


#Create my sprites
player = Player("triangle", "white", 0, 0)

#Keyboard bindings
turtle.onkey(player.turn_left, "Left")
turtle.onkey(player.turn_right, "Right")
turtle.onkey(player.accelerate, "Up")
turtle.onkey(player.decelerate, "Down")
turtle.listen()



#Main game loop
while True:
player.move()









delay = raw_input("Press enter to finish. > ") so if you could be get back to me fast i would really really appreciate it

[Emmett-Scratch]

my code is odly not working?








import os
import random
import turtle as t

t.fd(0)
t.speed(0)
t.bgcolor('black')
t.ht()
t.setundobuffer(1)
t.tracer(1)

class Sprite(t.Turtle):
def __init__(self, spriteshape, color, startx, starty):

self.speed(0)
self.penup()
self.color(color)
self.goto(startx, starty)
self.speed = 1

def move(self):
self.fd(self.speed)
self.rt(60)

if self.xcor() > 290:
self.rt(60)


class Player(Sprite):
def __init__(self, spriteshape, color, startx, starty):
super().__init__(spriteshape, color, startx, starty)
self.speed = 4
self.lives = 3

def turn(self, angle):
+ angle)

def accelerate(self):
self.speed += 5

def decelerate(self):
self.speed -= 5

class Game:
def __init__(self):
self.level = 1
self.score = 0
self.state = "playing"
self.pen = t.Turtle()
self.lives = 3

def draw_border(self):
self.pen.speed(0)
self.pen.color("white")
self.pen.pensize(3)
self.pen.penup()
self.pen.goto(-300, 300)
self.pen.pendown()
for _ in range(4):
self.pen.fd(600)
self.pen.rt(90)
self.pen.penup()
self.pen.ht()

game = Game()

game.draw_border()

player = Player("triangle", "white", 0, 0)

t.onkey(player.turn, "Left")
t.onkey(player.turn, "Right")
t.onkey(player.accelerate, "Up")
t.onkey(player.decelerate, "Down")
t.listen()

while True:
player.move()

[P-AaryanSarda]

code :

#Import the turtle module
import turtle
import os
import random

wn = turtle.Screen()
wn.bgcolor("black")
wn.title("Space War By @Aaryan Sarda")
wn.setup(width=800, height=700)
turtle.setundobuffer(1)
wn.tracer(1)
turtle.ht()

player_vertices = ((0, 15), (-15, 0), (-18, 5), (-18, -5), (0, 0), (18, -5), (18, 5), (15, 0))
wn.register_shape("player", player_vertices)

class Sprite(turtle.Turtle):
def __init__(self, shape, color, startx, starty):
turtle.Turtle.__init__(self, shape=shape)
self.speed(0)
self.penup()
self.color(color)
self.fd(0)
self.goto(startx, starty)

self.speed = 1

def move(self):
self.fd(self.speed)

class Player(Sprite):
def __init__(self, spriteshape, color, startx, starty):
Sprite.__init__(self, spriteshape, color, startx, starty)
self.speed = 2
self.lives = 3

def turn_left(self):
self.lt(45)

def turn_right(self):
self.rt(45)

def accelerate(self):
self.speed += 1

def decelerate(self):
self.speed -= 1
if self.speed <= 0:
self.speed = 0

def Game():
def __init__(self):
self.level = 1
self.score = 0
self.state = "playing"
self.pen = turtle.Turtle
self.lives = 3

def draw_border(self):
#Draw border
self.pen.speed(0)
self.pen.color("white")
self.pen.size(3)
self.penup()
self.pen.goto(-300, 300)
self.pen.pendown()
for side in range(4):
self.pen.fd(600)
self.pen.rt(90)
self.pen.penup()
self.pen.hideturtle()

#Create the game border
game = Game()

#Draw the border
game.draw_border()

#Create the sprites
player = Player("player", "white", 0, 0)

#Keyboard bindings
wn.listen()
wn.onkeypress(player.turn_left, "Left")
wn.onkeypress(player.turn_right, "Right")
wn.onkeypress(player.accelerate, "Up")
wn.onkeypress(player.decelerate, "Down")
#Main game loop
while True:
player.move()
wn.mainloop()

error :
Traceback (most recent call last):
File "space_war.py", line 78, in <module>
game.draw_border()
AttributeError: 'NoneType' object has no attribute 'draw_border'
by the way i am using python 3.8.2

[srinivasachowdary]

Again, but The player is like a spinner pls fix it
import os
import turtle
import random

turtle.fd(0)
turtle.speed(0)
turtle.bgcolor('black')
turtle.ht()
turtle.setundobuffer(1)
turtle.tracer (1)

class Sprite (turtle.Turtle):
def __init__(self, spriteshape, color, startx, starty) :
turtle.Turtle.__init__(self, shape = spriteshape)
self.speed (0)
self.penup()
self.color(color)
self.fd(0)
self.goto(startx, starty)
self.speed = 1
def move (self) :
self.fd (self.speed)

if self.xcor () > 290 :
self.setx (290)
self.rt (60)

if self.xcor () > -290 :
self.setx (-290)
self.lt (60)

if self.ycor () > 290 :
self.sety (290)
self.rt (60)

if self.ycor () > -290 :
self.sety (-290)
self.rt (60)


class Player (Sprite) :
def __init__(self, spriteshape, color, startx, starty) :
Sprite.__init__(self, spriteshape, color, startx, starty )
self.Speed = 4
self.lives = 3

def turn_left (self) :
self.lt(45)

def turn_right (self) :
self.rt(45)

def acelarate (self) :
self.speed += 1

def deacelarate (self) :
self.speed -= 1

class Game () :
def __init__(self) :
self.level = 1
self.score = 0
self.state = 'playing'
self.pen = turtle.Turtle()
self.lives = 3

def draw_border (self) :
self.pen.speed (0)
self.pen.color ('White')
self.pen.pensize(3)
self.pen.penup ()
self.pen.goto (-290, 290)
self.pen.pendown ()
for side in range (4) :
self.pen.fd (600)
self.pen.rt (90)
self.pen.penup ()
self.pen.ht

game = Game ()
game.draw_border ()

player = Player('triangle', 'red', 0, 0)

turtle.onkey(player.turn_left, 'Left')
turtle.onkey(player.turn_right, 'Right')
turtle.onkey(player.acelarate, 'Up')
turtle.onkey(player.deacelarate, 'Down')
turtle.listen()

while True :
player.move()

[rodrigonedel]

the game is crashing, i can't run it
can u look? thanks

the problem is on this line:
self.pen.speed(0)


import os
import random
import turtle

turtle.speed(0) #speed of animation
turtle.bgcolor("black")
turtle.hideturtle() #hide turtle
turtle.setundobuffer(1) #limits the amount of memory the turtle memory uses
turtle.tracer(1) #speed up animation

class Sprite(turtle.Turtle):
def __init__(self, shape, color, startx, starty):
turtle.Turtle.__init__(self, shape = shape)
self.speed(0)
self.penup()
self.color(color)
self.goto(startx, starty)
self.speed = 1

def move(self):
self.fd(self.speed)

class Player(Sprite):
def __init__(self, shape, color, startx, starty):
Sprite.__init__(self, shape, color, startx, starty)
self.speed = 4
self.lives = 3

def turn_left(self):
self.lt(45)
def turn_right(self):
self.rt(45)
def accelerate(self):
self.speed += 1
def decelerate(self):
self.speed -= 1

class Game():
def __init__(self):
self.level = 1
self.score = 0
self.state = "playing"
self.pen = turtle.Turtle
self.lives = 3

def draw_border(self):
self.pen.speed(0)
self.pen.color("white")
self.pen.pensize(3)
self.pen.penup()
self.pen.goto(-300, 300)
self.pen.pendown()

for side in range(4):
self.pen.fd(600)
self.pen.rt(90)
self.pen.penup()
self.pen.hideturtle()


#create game object
game = Game()

#draw the border
game.draw_border()


#create sprites
player = Player("triangle", "white", 0, 0)


#KEYBOARD
turtle.onkey(player.turn_left, "Left")
turtle.onkey(player.turn_right, "Right")
turtle.onkey(player.accelerate, "Up")
turtle.onkey(player.decelerate, "Down")
turtle.listen()



#main game loop
while True:
player.move()

[srinivasachowdary]

import os
import turtle
import random

turtle.fd(0)
turtle.speed(0)
turtle.bgcolor('black')
turtle.ht()
turtle.setundobuffer(1)
turtle.tracer (1)

class Sprite (turtle.Turtle):
def __init__(self, spriteshape, color, startx, starty) :
turtle.Turtle.__init__(self, shape = spriteshape)
self.speed (0)
self.penup()
self.color(color)
self.fd(0)
self.goto(startx, starty)
self.speed = 1
def move (self) :
self.fd (self.speed)

if self.xcor > 290 :
self.setx (290)
self.rt (60)

if self.xcor > -290 :
self.setx (-290)
self.lt (60)

if self.ycor > 290 :
self.sety (290)
self.rt (60)

if self.ycor > -290 :
self.sety (-290)
self.rt (60)


class Player (Sprite) :
def __init__(self, spriteshape, color, startx, starty) :
Sprite.__init__(self, spriteshape, color, startx, starty )
self.Speed = 4
self.lives = 3

def turn_left (self) :
self.lt(45)

def turn_right (self) :
self.rt(45)

def acelarate (self) :
self.speed += 1

def deacelarate (self) :
self.speed -= 1

class Game () :
def __init__(self) :
self.level = 1
self.score = 0
self.state = 'playing'
self.pen = turtle.Turtle()
self.lives = 3

def draw_border (self) :
self.pen.speed (0)
self.pen.color ('White')
self.pen.pensize(3)
self.pen.penup ()
self.pen.goto (-300, 300)
self.pen.pendown ()
for side in range (4) :
self.pen.fd (600)
self.pen.rt (90)
self.pen.penup ()
self.pen.ht

game = Game ()
game.draw_border ()

player = Player('triangle', 'red', 0, 0)

turtle.onkey(player.turn_left, 'Left')
turtle.onkey(player.turn_right, 'Right')
turtle.onkey(player.acelarate, 'Up')
turtle.onkey(player.deacelarate, 'Down')
turtle.listen()

while True :
player.move()

It is working the corection you told but its showing another error

if self.xcor > 290 :

TypeError: '>' not supported between instances of 'method' and 'int'

Please help Again

[gamingplayinglearing]

my code is oddly not working?
import os
import random

import turtle

# Initial turtle setup
turtle.fd(0)
turtle.speed(0)
turtle.bgcolor("black")
turtle.ht()
turtle.setundobuffer(1)
turtle.tracer(1)


class Sprite(turtle.Turtle):
def __init__(self, sprite_shape, color, start_x, start_y):
turtle.Turtle.__init__(self, shape=sprite_shape)
self.speed(0)
self.penup()
self.color(color)
self.fd(0)
self.goto(start_x, start_y)
self.speed = 1

def move(self):
self.fd(self.speed)


class Player(Sprite):
def __init__(self, sprite_shape, color, start_x, start_y):
Sprite.__init__(self, sprite_shape, color, start_x, start_y)
self.speed = 4
self.lives = 3

def turn_left(self):
self.lt(45)

def turn_right(self):
self.rt(45)

def accelerate(self):
self.speed += 1

def decelerate(self):
self.speed -= 1


class Game:
def __init__(self):
self.level = 1
self.score = 0
self.state = "playing"
self.pen = turtle.Turtle
self.lives = 3

def draw_border(self):
#draw border
self.pen.speed(0)
self.pen.color("white")
self.pen.pensize(3)
self.pen.penup()
self.pen.goto(-300, 300)
self.pen.pendown()
for side in range(4):
self.pen.fd(300)
self.pen.rt(90)
self.pen.penup()
self.pen.ht()



game = Game()

game.draw_border()

player = Player("triangle", "white", 0, 0)

turtle.onk0ey(player.turn_left, "Left")
turtle.onkey(player.turn_right, "Right")
turtle.onkey(player.accelerate, "Up")
turtle.onkey(player.decelerate, "Down")
turtle.listen()


while True:
player.move()

it says AttributeError: 'int' object has no attribute '_speed'

[srinivasachowdary]

Code :
import os
import turtle
import random

turtle.fd(0)
turtle.speed(0)
turtle.bgcolor('black')
turtle.ht()
turtle.setundobuffer(1)
turtle.tracer (1)

class Sprite (turtle.Turtle):
def __init__(self, spriteshape, color, startx, starty) :
turtle.Turtle.__init__(self, shape = spriteshape)
self.speed (0)
self.penup()
self.color(color)
self.fd(0)
self.goto(startx, starty)
self.speed = 1
def move (self) :
self.fd (self.speed)

if self.xcor > 290 :
self.setx (290)
self.rt (60)

if self.xcor > -290 :
self.setx (-290)
self.lt (60)

if self.ycor > 290 :
self.sety (290)
self.rt (60)

if self.ycor > -290 :
self.sety (-290)
self.rt (60)


class Player (Sprite) :
def __init__(self, spriteshape, color, startx, starty) :
Sprite.__init__(self, spriteshape, color, startx, starty )
self.Speed = 4
self.lives = 3

def turn_left (self) :
self.lt(45)

def turn_right (self) :
self.rt(45)

def acelarate (self) :
self.speed += 1

def deacelarate (self) :
self.speed -= 1

class Game () :
def __init__(self) :
self.level = 1
self.score = 0
self.state = 'playing'
self.pen = turtle.Turtle()
self.lives = 3

def draw_border (self) :
self.pen.speed (0)
self.pen.color ('White')
self.pen.size (3)
self.pen.penup ()
self.pen.goto (-300, 300)
self.pen.pendown ()
for side in range (4) :
self.pen.fd (600)
self.pen.rt (90)
self.pen.penup ()
self.pen.ht

game = Game()
game.draw_border()

player = Player('triangle', 'red', 0, 0)

turtle.onkey(player.turn_left, 'Left')
turtle.onkey(player.turn_right, 'Right')
turtle.onkey(player.acelarate, 'Up')
turtle.onkey(player.deacelarate, 'Down')
turtle.listen()

while True :
player.move()

It says AttributeError: 'Turtle' object has no attribute 'size'