Creating new enemies

game.py

import pgzrun

WIDTH = 1000
HEIGHT = 700

player = Actor('playership')
player.bottom = HEIGHT
player.x = WIDTH / 2

def draw():
    screen.blit('skyb', (0,0))
    player.draw()


pgzrun.go()

game01.py

'''
moving the player
'''
import pgzrun

WIDTH = 1000
HEIGHT = 700

player = Actor('playership')
player.bottom = HEIGHT
player.x = WIDTH / 2

def draw():
    screen.blit('skyb', (0,0))
    player.draw()


def update():
    move_player()


def move_player():
    if keyboard.LEFT:
        player.x -= 10
    if keyboard.RIGHT:
        player.x += 10


pgzrun.go()

game02.py

'''
create bullets
'''
import pgzrun

WIDTH = 1000
HEIGHT = 700

player = Actor('playership')
player.bottom = HEIGHT
player.x = WIDTH / 2

bullets = []

def draw():
    screen.blit('skyb', (0,0))
    player.draw()
    for bullet in bullets:
        bullet.draw()


def update():
    move_player()


def on_key_down(key):
    if key == keys.SPACE:
        create_new_bullet()


def move_player():
    if keyboard.LEFT:
        player.x -= 10
    if keyboard.RIGHT:
        player.x += 10


def create_new_bullet():
    bullet = Actor('bullet')
    bullet.x = player.x
    bullet.y = player.y
    bullets.append(bullet)


pgzrun.go()

game03.py

'''
moving bullets
'''
import pgzrun

WIDTH = 1000
HEIGHT = 700

player = Actor('playership')
player.bottom = HEIGHT
player.x = WIDTH / 2

bullets = []

def draw():
    screen.blit('skyb', (0,0))
    player.draw()
    for bullet in bullets:
        bullet.draw()


def update():
    move_player()
    move_bullets()


def on_key_down(key):
    if key == keys.SPACE:
        create_new_bullet()


def move_player():
    if keyboard.LEFT:
        player.x -= 10
    if keyboard.RIGHT:
        player.x += 10


def move_bullets():
    for bullet in bullets:
        if bullet.bottom < 0:
            bullets.remove(bullet)
        else:
            bullet.y -= 10


def create_new_bullet():
    bullet = Actor('bullet')
    bullet.x = player.x
    bullet.y = player.y
    bullets.append(bullet)


pgzrun.go()

game04.py

'''
create enemies
'''
import pgzrun
from random import randint

WIDTH = 1000
HEIGHT = 700

player = Actor('playership')
player.bottom = HEIGHT
player.x = WIDTH / 2

bullets = []
enemies = []

def draw():
    screen.blit('skyb', (0,0))
    player.draw()
    for bullet in bullets:
        bullet.draw()
    for enemy in enemies:
        enemy.draw()


def update():
    move_player()
    move_bullets()


def on_key_down(key):
    if key == keys.SPACE:
        create_new_bullet()


def move_player():
    if keyboard.LEFT:
        player.x -= 10
    if keyboard.RIGHT:
        player.x += 10


def move_bullets():
    for bullet in bullets:
        if bullet.bottom < 0:
            bullets.remove(bullet)
        else:
            bullet.y -= 10


def create_new_bullet():
    bullet = Actor('bullet')
    bullet.x = player.x
    bullet.y = player.y
    bullets.append(bullet)


def create_new_enemy():
    enemy = Actor('enemygreen')
    enemy.x = randint(100, WIDTH-100)
    enemy.y = 10
    enemies.append(enemy)


create_new_enemy()
pgzrun.go()