box_game.py

# https://www.youtube.com/watch?v=5SlYTF2ovGg&list=PLNtxQuOxJ0p29Ry5jp3AiOJpk0UiSSlts&index=6
import pygame

# Setup
pygame.init()
clock = pygame.time.Clock()
screenSize = (500,500)
screen = pygame.display.set_mode(screenSize)

# Player data
coords = [250,0]
vel = [0,3]
acc = [0,0]

# Hazard zone
hazardCoords = [250,250]

# Main game loop
going = True
while going:
    # Check if window was closed
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            going = False
    # Use arrow keys to accelerate
    acc = [0,0];
    keys = pygame.key.get_pressed()
    if keys[pygame.K_DOWN]:
        acc[1] += 1
    if keys[pygame.K_UP]:
        acc[1] -= 1
    if keys[pygame.K_RIGHT]:
        acc[0] += 1
    if keys[pygame.K_LEFT]:
        acc[0] -= 1
    vel = [vel[0]+acc[0], vel[1]+acc[1]]
    coords = [coords[0]+vel[0], coords[1]+vel[1]]
    playerRect = pygame.Rect(coords[0],coords[1],50,50)
    hazardRect = pygame.Rect(hazardCoords[0],hazardCoords[1],50,50)
    if playerRect.colliderect(hazardRect):
        going = False

    # Draw graphics to screen
    screen.fill((0,0,0))
    pygame.draw.rect(screen,(200,180,120),playerRect,0)
    pygame.draw.rect(screen,(255,0,0),hazardRect,0)
    pygame.display.flip()
    clock.tick(30)
pygame.quit()