import pygame from pygame.locals import * import random pygame.init() # options for color BLACK = (0,0,0) GRAY = (127,127,127) WHITE = (255,255,255) RED = (255,0,0) GREEN = (0,255,0) BLUE = (0,0,255) YELLOW = (255,255,0) CYAN = (0,255,255) MAGNETA = (255,0,255) sizeBall = 200,200 key_dict = {K_b:BLACK, K_r:RED,K_g:GREEN} BLACK = (0,0,0) background = BLACK screen = pygame.display.set_mode((500,500)) screen.fill(background) # variable running to start the game running = True shot = False # arrays that contain bullets, spaceship, boss, enemies' location bullets = [] # this list contains bullet enemies = [] # contains invaders enemyMoveX = [] #contains position of invaders enemyMoveY = [] # contains position of invaders enemyBulletX = [] # contains position of invaders'bullets enemyBulletY = [] # contains position of invaders' bullets bossDmg = [] # contains boss'bullets bossArr = []# stores Boss object bulletLocationX = [] # stores location of player'sbullet bulletLocationY = [] # stores location of player's bullets # initialize x,y coor of the first enemy spacehip enemyPosX = 200 # position of enemy enemyPosY = 50 # position of enemy score = 0 bossHealth = 10 # boss's health bar playerHealth = 5 # player's health bar font = pygame.font.Font('freesansbold.ttf',22) text = font.render("HEALTH :"+str(playerHealth),True,WHITE)# text displays player's heath screen.blit(text,[100,100]) pygame.display.update() #frame refers to fps(frame per second) frame = pygame.time.Clock()# FPS class Game: #class for player def __init__(self): self.xPos = 250 self.yPos = 450 self.width = 80 self.height = 25 self.speedX = 5 self.moveL = True self.moveR = True self.rect=pygame.draw.rect(screen,RED,(self.xPos,self.yPos,self.width,self.height)) def drawRect(self,screen): pygame.draw.rect(screen,RED,(self.xPos,self.yPos,self.width,self.height)) def moveRect(self,speedX): self.xPos+=speedX def getXPos(self): return self.xPos class Bullet:# class for bullet def __init__(self,xPos,yPos): self.xPos = xPos self.yPos = yPos self.width = 10 self.height = 10 self.rect = pygame.draw.rect(screen,YELLOW,(self.xPos,self.yPos,self.height,self.width)) def moveUp(self,speedB): # bullet moves vertically self.yPos-=speedB def getYPos(self): return self.yPos def getXPos(self): return self.xPos def drawBullet(self,screen,x,y):# draw player's bullet self.xPos = x self.yPos = y pygame.draw.rect(screen,RED,(self.xPos,self.yPos,self.height,self.width)) def hitEnemy(self):# check if player kills an invader isHit = False indexAlienPosX = 0 indexAlienPosY = 0 indexAlien = 0 self.rect = pygame.Rect((self.xPos,self.yPos),(10,10)) for i in range(0,len(enemies)): x = enemyMoveX[i] y = enemyMoveY[i] a = pygame.Rect((x,y),(40,20)) if self.rect.colliderect(a): isHit = True print(x,y) indexAlien = i print(indexAlien) if (isHit==True and len(enemies)>0): bullets.remove(bullets[0]) bulletLocationX.remove(bulletLocationX[0]) bulletLocationY.remove(bulletLocationY[0]) enemies.remove(enemies[indexAlien]) enemyMoveX[indexAlien] = 0 enemyMoveY[indexAlien] = 0 enemyMoveX.remove(0) enemyMoveY.remove(0) if len(enemies)>=0: if (self.yPos<=20): bullets.remove(bullets[0]) bulletLocationX.remove(bulletLocationX[0]) bulletLocationY.remove(bulletLocationY[0]) def hitBoss(self):# check if the bullet hits the boss hitTarget = False if len(enemies)==0 and len(bossArr)==1: bossRect = pygame.Rect((boss.xPos,boss.yPos),(80,40)) bulletRect = pygame.Rect((bulletLocationX[0],bulletLocationY[0]),(10,10)) if bossRect.xbulletRect.x and bossRect.ybulletRect.y: bullets.remove(bullets[0]) bulletLocationX.remove(bulletLocationX[0]) bulletLocationY.remove(bulletLocationY[0]) hitTarget = True else: if (self.yPos<=20): bullets.remove(bullets[0]) bulletLocationX.remove(bulletLocationX[0]) bulletLocationY.remove(bulletLocationY[0]) else: if (self.yPos<=20): bullets.remove(bullets[0]) bulletLocationX.remove(bulletLocationX[0]) bulletLocationY.remove(bulletLocationY[0]) return hitTarget == True # class for enemy spaceships class Enemy: def __init__(self,xPos,yPos): self.xPos = xPos self.yPos = yPos self.width = 30 self.height = 30 self.alienAttack = 0 def move(self,speedE):# enemy move self.xPos+=speedE def drawEnemy(self,screen,x,y):# draw enemy self.xPos = x self.yPos = y pygame.draw.rect(screen,YELLOW,(self.xPos,self.yPos,self.width,self.height)) def getXPos(self): return self.xPos def getYPos(self): return self.yPos def getWidth(self): return self.width def getHeight(self): return self.height class EnemyDmg: # class for enemy's dmg def __init__(self): self.xPos = 0 self.yPos = 0 self.isHit = 0 def enemyAttack(self): temp = [] if (len(enemies)>0): for i in range(0,len(enemies)): temp.append(i) alienAttack = random.choice(temp) if len(enemyBulletX)==0 and len(enemyBulletY)==0: enemyBulletX.append(enemies[alienAttack].xPos+enemies[alienAttack].width//2) enemyBulletY.append(enemies[alienAttack].yPos+5) def bulletMove(self): if (len(enemyBulletY)>0): enemyBulletY[0]+=2 def drawBullet(self):# draw bullet if len(enemyBulletX)>0 and len(enemyBulletY)>0: self.xPos = enemyBulletX[0] self.yPos = enemyBulletY[0] pygame.draw.rect(screen,YELLOW,(self.xPos,self.yPos,10,10)) def hitPlayer(self):# check if bullet hits player hitTarget = False if len(enemyBulletX)>0 and len(enemyBulletY)>0: rect = pygame.Rect((enemyBulletX[0],enemyBulletY[0]),(10,10)) playerRect = pygame.Rect((game.xPos,game.yPos),(game.width,game.height)) if rect.xplayerRect.x and rect.yplayerRect.y: self.isHit = 1 if (self.isHit == 1): hitTarget = True enemyBulletX.remove(enemyBulletX[0]) enemyBulletY.remove(enemyBulletY[0]) self.isHit = 0 else: if (enemyBulletY[0]>=500): enemyBulletX.remove(enemyBulletX[0]) enemyBulletY.remove(enemyBulletY[0]) return hitTarget==True class Boss: # class for boss. def __init__(self): self.xPos = 200 self.yPos = 20 def drawBoss(self,screen):# draw the boss if len(enemies) == 0: pygame.draw.rect(screen,YELLOW,(self.xPos,self.yPos,80,40)) def bossMove(self,bossSpeed):# boss moves self.xPos+=bossSpeed def hitPlayer(self):# check if bullet hits player hitTarget = False if len(bossDmg)==1 and len(enemies)==0: bossRect = pygame.Rect((bossDmg[0].xPos,bossDmg[0].yPos),(bossDmg[0].width,bossDmg[0].height)) playerRect = pygame.Rect((game.xPos,game.yPos),(game.width,game.height)) if bossRect.xplayerRect.x and bossRect.yplayerRect.y: hitTarget = True bossDmg.remove(bossDmg[0]) return hitTarget == True class BossDmg: # class for dmg that boss can deal def __init__(self,posX,posY): self.xPos = posX+20 self.yPos = posY self.height = 30 self.width = 10 self.rect = pygame.draw.rect(screen,WHITE,(self.xPos,self.yPos,self.height,self.width)) def getX(self): return self.xPos def getY(self): return self.yPos def getHeight(self): return self.height def getWidth(self): return self.width def moveDown(self): self.yPos+=5 def fire(self,screen):# draw boss's bullet pygame.draw.rect(screen,WHITE,(self.xPos,self.yPos,10,30)) game = Game() boss = Boss() enemyAtk = EnemyDmg() bossAtk = BossDmg(200,20) bossDmg.append(bossAtk) bossArr.append(boss) for i in range(0,5):# add enemies and enemies' location to 3 arrays: enemies & enemyMoveX & enemyMoveY enemies.append(Enemy(enemyPosX,enemyPosY)) enemyMoveX.append(enemyPosX) enemyMoveY.append(enemyPosY) enemyPosX+=60 enemyPosY+=70 enemyPosX = 200 for i in range(0,5): #add enemies and enemies' location to 3 arrays: enemies & enemyMoveX & enemyMoveY enemies.append(Enemy(enemyPosX,enemyPosY)) enemyMoveX.append(enemyPosX) enemyMoveY.append(enemyPosY) enemyPosX+=60 speedX = 0# speed of player speedB = 0# speed of bullet speedE = -1# speed of invaders bossSpeed = 3# speed of boss # game loop while running: for event in pygame.event.get(): if (event.type == QUIT): running = False if (event.type == pygame.KEYDOWN): if event.key == pygame.K_LEFT:# if player presses left arrow, the panel will move to the left speedX = -5 if event.key == pygame.K_RIGHT:# else, it will move to the right speedX = 5 if event.key == pygame.K_SPACE:# if player presses space, a 10x10 rectangle(bullet) will be fired if (len(bullets)==0): bullet=Bullet(round(game.xPos+game.width/2)-5,game.yPos) bulletLocationX.append(round(game.xPos+game.width/2)-5) bulletLocationY.append(game.yPos) bullets.append(bullet) speedB = 5 if event.type == pygame.KEYUP:# check if player takes his hands off the keyboard if event.key==pygame.K_LEFT or event.key==pygame.K_RIGHT: speedX = 0# speed =0. the panel will stop moving speedB = 5 screen.fill(BLACK) screen.blit(text,[5,5]) game.moveRect(speedX) game.drawRect(screen) if len(enemies)==0: pass for aliens in range(0,len(enemies)):#enemies move in a specific direction if enemies[0].xPos<=-1: speedE = 1 if enemies[-1].xPos>500: speedE = -1 index = 0 for i in range (0,len(enemyMoveX)): enemyMoveX[i]+=speedE enemies[i].drawEnemy(screen,enemyMoveX[i],enemyMoveY[i]) enemyAtk.enemyAttack() enemyAtk.bulletMove() if enemyAtk.hitPlayer()==True: playerHealth-=1 text = font.render("HEALTH :"+str(playerHealth),True,WHITE) enemyAtk.drawBullet() if len(bullets)<=0:# if lenth of array bullets is 0, just ignore it pass else:# else, loop through it and repaint all objects Bullet inside this list if len(bullets) == 1: # check if bullet hits enemies bulletLocationY[0]-=5 bullets[0].drawBullet(screen,bulletLocationX[0], bulletLocationY[0]) if len(enemies) >0: bullets[0].hitEnemy() if len(enemies)==0 and len(bossArr)==1: if len(bullets)>0: if bullets[0].hitBoss(): bossHealth-=1 if (bossHealth==0): bossArr.remove(bossArr[0]) if len(enemies)==0 and len(bossArr)==1:# boss will appear if all invaders are destroyed if (boss.xPos<=0): bossSpeed = 3 if (boss.xPos>=500): bossSpeed = -3 bossArr[0].bossMove(bossSpeed) if len(bossDmg)==0 and len(bossArr)==1: bossAtk = BossDmg(boss.xPos,boss.yPos) bossDmg.append(bossAtk) if len(bossDmg)==1 and len(bossArr)==1: bossDmg[0].fire(screen) bossDmg[0].moveDown() if boss.hitPlayer(): playerHealth-=1 text = font.render("HEALTH :"+str(playerHealth),True,WHITE) if len(bossDmg)==1: if bossDmg[0].yPos>=450: bossDmg.remove(bossDmg[0]) boss.drawBoss(screen) if len(enemies) == 0 and len(bossArr) == 0 and len(bullets)==1: # check if boss and invaders are destroyed if bullets[0].yPos<=0: bullets.remove(bullets[0]) bulletLocationX.remove(bulletLocationX[0]) bulletLocationY.remove(bulletLocationY[0]) pygame.display.update() frame.tick(30)# 30 frames/sec pygame.quit()# running =false -> quit game

space invader(2-D game)