main.py

import pygame
import time

# Initialize Pygame
pygame.init()

info = pygame.display.Info()
screen_width = info.current_w
screen_height = info.current_h


# set display size to fit within screen resolution
width = min(500, screen_width)
height = min(screen_height - 100, 1000)

screen = pygame.display.set_mode((width, height))
pygame.display.set_caption("Simple 2D Game")

# Set up the colors
white = (255, 255, 255)
black = (0, 0, 0)
red = (255, 0, 0)

# Set up the player
player_size = 50
player_x = width / 2 - player_size / 2
player_y = height - player_size - 10
player_speed = 0.7

# Set up the game loop
start_time = None
timer_started = False

font = pygame.font.Font(None, 36)

time_text = "Time: 0.0s"
text = font.render(time_text, True, black)
elapsed_time = 0
total = 0

while True:
    
    # checks if the user tried to quit the window
    if len(pygame.event.get(eventtype=pygame.QUIT)):
        break # ends game
    
    screen.blit(text, (10, 10))

    # Handle player movement

    keys = pygame.key.get_pressed()
    if keys[pygame.K_UP] and player_y > 0:
        player_y -= player_speed
    if keys[pygame.K_DOWN] and  player_y <= height-50/2.5:
        player_y += player_speed

    if player_y >= height/2-50 and player_y <= height/2-60 + 0.1*height:
        if not timer_started:
            start_time = time.time()
            timer_started = True
        
        elapsed_time = time.time() - start_time + total
        time_text = "Time: {:.1f}s".format(elapsed_time)
        text = font.render(time_text, True, black)
        screen.blit(text, (10, 10))
    else:
        timer_started = False
        total = elapsed_time

    # Draw the screen
    pygame.draw.rect(screen, red, (width/2 - 25, 0, player_size, height))
    pygame.draw.rect(screen, 'green', (width/2 - 25, height/2-50, player_size, 0.1*height))
    pygame.draw.rect(screen, black, (player_x, player_y, player_size, player_size/2.5))

    pygame.display.update()
    screen.fill('yellow')

pygame.quit()