2018 - Pizza, Beer and Code talks!

main.py

import pygame
import random
import math

pygame.init()
display = pygame.display.set_mode([1000, 800])
clock = pygame.time.Clock()

isRunning = True

bg = pygame.image.load("bg.jpg").convert()

hero = pygame.image.load("saitama.jpg").convert()
hero.set_colorkey([255, 255, 255])
hero_pos = [0, 0]

class Enemy:
    def __init__(self, pos):
        self.pos = pos
        self.original_pos = list(pos)
        self.image = pygame.image.load("dora.png").convert()
        self.image.set_colorkey([255, 128, 128])
        self.velocity = [random.randint(-10, -1), 0]
        self.has_collide = False

    def update(self):
        if not self.has_collide:
            self.pos[0] += self.velocity[0]
            self.pos[1] += self.velocity[1]
        else:
            self.pos[0] -= self.velocity[0]
            self.pos[1] = self.original_pos[1] + (math.sin(self.pos[0] * 0.2) * random.randint(10, 50))
 
            

    def draw(self, display):
        display.blit(self.image, self.pos)

enemies = []

for i in range(100):
    x = random.randint(1000, 4000)
    y = random.randint(-100, 700)
    enemy = Enemy([x, y])
    enemies.append(enemy)

while isRunning:            # game loop; iteration = frame
    #display.fill([0, 0, 0])
    display.blit(bg, [0, 0])
    
    events = pygame.event.get()
    for event in events:
        if event.type == pygame.QUIT:
            isRunning = False

    keys = pygame.key.get_pressed()
    if keys[pygame.K_ESCAPE]:
        isRunning = False

    speed = 3
    if keys[pygame.K_LEFT]:
        hero_pos[0] -= speed
    if keys[pygame.K_RIGHT]:
        hero_pos[0] += speed
    if keys[pygame.K_UP]:
        hero_pos[1] -= speed
    if keys[pygame.K_DOWN]:
        hero_pos[1] += speed

    for enemy in enemies:
        enemy.update()

    for enemy in enemies:
        hero_rect = hero.get_rect()
        enemy_rect = enemy.image.get_rect()
        hero_rect.move_ip(hero_pos)
        enemy_rect.move_ip(enemy.pos)
    
        if enemy_rect.colliderect(hero_rect):
            enemy.has_collide = True

    display.blit(hero, hero_pos)
    for enemy in enemies:
        enemy.draw(display)


    pygame.display.update()
    clock.tick(60)