Python Game Programming Tutorial: SpaceWar 6

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#Python #Tutorial #Beginner

[noir]

i love seeing this and having the explainative commentary.

it feels like im playing the game in a new way. its phenomenal !

[otavioandreas]

Just starting at college to become a developer here in Brazil, these videos of yours are the best to get use to programing even do we had only used C. Thanks man!

[mrsmiley]

At this point it reminds me more of Asteroids than Space Invaders.

[creamygoodness]

First! hey man i see the code has improved quite a bit from the space invaders video! i was able to go back and fix alot of things that bugged me, like the bullet sticking on firing.
I tell everyone about your vids

[dajean]

ha, never mind I figure it out, thanks

[dajean]

I was following the code and I got lost cause I had to go out of town, do you have the whole file to study it? thanks Bro, great material!!!

[Bluething]

Could you by chance make a tutorial for a 2 player space war, i was thinking myself if ways that could work but i just kept getting confused, you don't have to if you don't want to bc I'm obviously commenting this like 8 years after this was posted, so you probably won't respond, but it's just an Idea❤

[richboy]

wait how do you get your bullet not to lag cause mine does. did i do anything wrong?:
import os
import random

#import turtle module
import turtle
turtle.fd(0)
turtle.speed(0)
turtle.bgcolor("black")
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)

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

if self.xcor() < -290:
self.setx(-290)
self.rt(60)

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

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

def is_collision(self, other):
if (self.xcor() >= (other.xcor() -20)) and \
(self.xcor() <= (other.xcor() + 20)) and \
(self.ycor() >= (other.ycor() - 20)) and \
(self.ycor() <= (other.ycor() + 20)):
return True
else:
return False

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

def turn_left(self):
self.lt(25)

def turn_right(self):
self.rt(25)

def accelerate(self):
self.speed += 0.5

def deccelerate(self):
self.speed -= 0.5

class Enemy(Sprite):
def __init__(self, spriteshape, color, startx, starty):
Sprite.__init__(self, spriteshape, color, startx, starty)
self.speed = 6
self.setheading(random.randint(0, 360))

class Missile(Sprite):
def __init__(self, spriteshape, color, startx, starty):
Sprite.__init__(self, spriteshape, color, startx, starty)
self.shapesize(stretch_wid=0.3, stretch_len=0.4, outline=None)
self.speed = 20
self.status = "ready"
self.goto(-1000, 1000)

def fire(self):
if self.status == "ready":
self.goto(player.xcor(), player.ycor())

self.status = "firing"

def move(self):

if self.status == "ready":
self.goto(-1000, 1000)


if self.status == "firing":
self.fd(self.speed)

# border check(see if missile hit border)
if self.xcor() < -290 or self.xcor() > 290 or \
self.ycor() < -290 or self.ycor()> 290:
self.goto(-1000, 1000)
self.status = "ready"


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 game border
game.draw_border()






#Create my sprites
player = Player("triangle", "red", 0, 0)
enemy = Enemy("circle", "white", -240, 240)
missile = Missile("triangle", "yellow", 0, 0)



#keyboard bindings
turtle.onkey(player.turn_left, "Left")
turtle.onkey(player.turn_right, "Right")
turtle.onkey(player.accelerate, "Up")
turtle.onkey(player.deccelerate, "Down")
turtle.onkey(missile.fire, "space")
turtle.listen()


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

#Check for collision
if player.is_collision(enemy):
x = random.randint(-250, 250)
y = random.randint(-250, 250)
enemy.goto(x, y)
#check if there is a colision missile enemy
if missile.is_collision(enemy):
x = random.randint(-250, 250)
y = random.randint(-250, 250)
enemy.goto(x, y)
missile.status = "ready"
















delay = input()