import pygame
from pygame import mixer
import random
import math
import tkinter

Initialize the pygame

pygame.init()

create the screen

screen = pygame.display.set_mode((800, 600))

Title

pygame.display.set_caption('Space Invaders')

Player

playerImg = pygame.image.load('player.png')
playerX, playerY = 370, 480
playerX_change = 0

#ランダムにしてみる
ani=0

Enemy

enemyImg = pygame.image.load('enemy.png')
enemyX = random.randint(0, 736)
enemyY = random.randint(50, 150)
enemyX_change, enemyY_change = 4, 40

scene=0 #シーンを番号で管理する

Bullet

bulletImg = pygame.image.load('bullet.png')
bulletX, bulletY = 0, 480
bulletX_change, bulletY_change = 0, 3
bullet_state = 'ready'

Score

score_value = 0

def player(x, y):
screen.blit(playerImg, (x, y))

def enemy(x, y):
screen.blit(enemyImg, (x, y))

def fire_bullet(x, y):
global bullet_state
bullet_state = 'fire'
screen.blit(bulletImg, (x + 16, y + 10))

def isCollision(enemyX, enemyY, bulletX, bulletY):
distance = math.sqrt(math.pow(enemyX - bulletX, 2) + math.pow(enemyY - bulletY, 2))
if distance < 27:
return True
else:
return False

#ランダムにしてみる

def main():
move()
animation()
def animaition():
global animation,enemyX,enemyY
canvas.create_image(enemyX,enemyY,image=enemy,tag="player")
def move():
global playerX,playerY,key,animation,scene

if scene == 0:
    move_enemy()
    root.after(100,main)

def move_enemy():
global enemyX,enemyY,scene
muki=random.randint(800,440)

Game Loop

running = True
while running:
# RGB = Red, Green, Blue
screen.fill((0, 0, 0))
# playerX += 0.1
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False

    if event.type == pygame.KEYDOWN:
        if event.key == pygame.K_LEFT:
            playerX_change = -2.5
        if event.key == pygame.K_RIGHT:
            playerX_change = 2.5
        if event.key == pygame.K_SPACE:
            if bullet_state is 'ready':
                bulletX = playerX
                fire_bullet(bulletX, bulletY)
        
 
# Player
playerX += playerX_change
if playerX <= 0:
    playerX = 0
elif playerX >= 736:
    playerX = 736

# Enemy
if enemyY > 440:
    break
if muki == 0:#上
    enemyY=enemyY-10
if muki == 1:#下
    enemyY=enemyY+10
if muki == 2:#右
    enemyX=enemyX+10
if muki == 3:#左
    enemyX=enemyX-10
if enemyX<10:
    enemyX=enemyX+10
if enemyX>290:
    enemyX=enemyX-10
if enemyY<10:
    enemyY=enemyY+10
if enemyY>290:
    enemyY=enemyY-10

#ここ消した

collision = isCollision(enemyX, enemyY, bulletX, bulletY)
if collision:
    bulletY = 480
    bullet_state = 'ready'
    score_value += 1
    enemyX = random.randint(0, 736)
    enemyY = random.randint(50, 150)
enemy(enemyX, enemyY)


# Bullet Movement
if bulletY <=0:
    bulletY = 480
    bullet_state = 'ready'

if bullet_state is 'fire':
    fire_bullet(bulletX, bulletY)
    bulletY -= bulletY_change  

# Score
font = pygame.font.SysFont(None, 32) # フォントの作成　Noneはデフォルトのfreesansbold.ttf
score = font.render("Score : " + str(score_value), True, (255,255,255)) # テキストを描画したSurfaceの作成
screen.blit(score, (20,50))


player(playerX, playerY)
pygame.display.update()
#ランダム
root=tkinter.Tk()
main()
root.mainloop()