v 0.6

Step 8 Collissons

Author: educ8s

__pycache__/alien.cpython-311.pyc

@@ -1,4 +1,4 @@
-import pygame
+import pygame, random
 
 class Alien(pygame.sprite.Sprite):
 	def __init__(self, type, x, y):
@@ -8,4 +8,23 @@ def __init__(self, type, x, y):
 		self.rect = self.image.get_rect(topleft = (x, y))
 
 	def update(self, direction):
-		self.rect.x += direction
+		self.rect.x += direction
+
+class MysteryShip(pygame.sprite.Sprite):
+	def __init__(self, screen_width):
+		super().__init__()
+		self.screen_width = screen_width
+		self.image = pygame.image.load("Graphics/mystery.png")
+		x = random.choice([0, screen_width - self.image.get_width()])
+		if x == 0:
+			self.speed = 3
+		else:
+			self.speed = -3
+		self.rect = self.image.get_rect(topleft = (x, 20))
+
+	def update(self):
+		self.rect.x += self.speed 
+		if self.rect.x > self.screen_width:
+			self.kill()
+		elif self.rect.x < - 200:
+			self.kill()

__pycache__/game.cpython-311.pyc

@@ -1,21 +1,37 @@
-import pygame
+import pygame, random
 from spaceship import Spaceship
 from alien import Alien
+from alien import MysteryShip
 from obstacle import Obstacle
+from laser import Laser
 
 class Game():
 	def __init__(self, screen_width, screen_height):
 		self.screen_width = screen_width
+		self.screen_height = screen_height
 		self.spaceship = pygame.sprite.GroupSingle()
 		self.spaceship.add(Spaceship(screen_width, screen_height))
 		self.obstacle_1 = Obstacle(screen_width/4 - 128,screen_height - 100)
 		self.obstacle_2 = Obstacle((screen_width/4)*2 - 128,screen_height - 100)
 		self.obstacle_3 = Obstacle((screen_width/4)*3 - 128,screen_height - 100)
 		self.obstacle_4 = Obstacle((screen_width/4)*4 - 128,screen_height - 100)
 		self.aliens = pygame.sprite.Group()
-		self.alien_direction = 1
+		self.alien_lasers = pygame.sprite.Group()
+		self.mystery_ship = pygame.sprite.GroupSingle()
+		self.alien_direction = 1		
 		self.create_aliens()
 
+	def create_mystery_ship(self):
+		self.mystery_ship.add(MysteryShip(self.screen_width))
+
+	def check_for_collisions(self):
+	    if self.spaceship.sprite.lasers:
+	        for laser in self.spaceship.sprite.lasers:
+	            for obstacle in [self.obstacle_1, self.obstacle_2, self.obstacle_3, self.obstacle_4]:
+	                if pygame.sprite.spritecollide(laser, obstacle.blocks, True):
+	                    laser.kill()
+	                    print("Collision")      	  
+
 	def create_aliens(self):
 		for row in range(5):
 			for column in range(11):
@@ -43,3 +59,9 @@ def alien_move_down(self, distance):
 		if self.aliens:
 			for alien in self.aliens.sprites():
 				alien.rect.y += distance
+
+	def alien_shoot_laser(self):
+		if self.aliens.sprites():
+			random_alien = random.choice(self.aliens.sprites())
+			laser_sprite = Laser(random_alien.rect.center, -6, self.screen_height)
+			self.alien_lasers.add(laser_sprite)

alien.py

@@ -1,4 +1,4 @@
-import pygame, sys, shelve
+import pygame, sys, random
 from spaceship import Spaceship
 from obstacle import *
 from alien import Alien
@@ -15,6 +15,11 @@
 pygame.display.set_caption("Space Invaders")
 
 clock = pygame.time.Clock()
+ALIENLASER = pygame.USEREVENT
+pygame.time.set_timer(ALIENLASER, 500)
+
+MYSTERYSHIP = pygame.USEREVENT + 1 
+pygame.time.set_timer(MYSTERYSHIP, random.randint(5000,10000))
 
 game = Game(SCREEN_WIDTH, SCREEN_HEIGHT)
 
@@ -23,9 +28,17 @@
 		if event.type == pygame.QUIT:
 			pygame.quit()
 			sys.exit()
+		if event.type == ALIENLASER:
+			game.alien_shoot_laser()
+		if event.type == MYSTERYSHIP:
+			game.create_mystery_ship()
 
 	screen.fill(GREY)
+	
+	game.alien_lasers.update()
 	game.spaceship.update()
+	game.mystery_ship.update()
+	game.check_for_collisions()
 
 	game.alien_position_checker()
 	game.aliens.update(game.alien_direction)
@@ -37,6 +50,8 @@
 	game.obstacle_3.blocks.draw(screen)
 	game.obstacle_4.blocks.draw(screen)
 	game.aliens.draw(screen)
+	game.alien_lasers.draw(screen)
+	game.mystery_ship.draw(screen)
 
 	#pygame.draw.rect(screen, YELLOW, (10, 10 ,780, 780), 2, 0, 60, 60, 60, 60)
 	#pygame.draw.line(screen, YELLOW, (25, 800 - 70), (800 -25, 800 - 70), 3)