"""
Show how to put a timer on the screen.
Sample Python/Pygame Programs
Simpson College Computer Science
http://programarcadegames.com/
http://simpson.edu/computer-science/
"""
import pygame
# Define some colors
BLACK = (0, 0, 0)
WHITE = (255, 255, 255)
pygame.init()
# Set the height and width of the screen
size = [700, 500]
screen = pygame.display.set_mode(size)
pygame.display.set_caption("My Game")
# Loop until the user clicks the close button.
done = False
# Used to manage how fast the screen updates
clock = pygame.time.Clock()
font = pygame.font.Font(None, 25)
frame_count = 0
frame_rate = 60
start_time = 90
# -------- Main Program Loop -----------
while not done:
for event in pygame.event.get(): # User did something
if event.type == pygame.QUIT: # If user clicked close
done = True # Flag that we are done so we exit this loop
# Set the screen background
screen.fill(WHITE)
# ALL CODE TO DRAW SHOULD GO BELOW THIS COMMENT
# --- Timer going up ---
# Calculate total seconds
total_seconds = frame_count // frame_rate
# Divide by 60 to get total minutes
minutes = total_seconds // 60
# Use modulus (remainder) to get seconds
seconds = total_seconds % 60
# Use python string formatting to format in leading zeros
output_string = "Time: {0:02}:{1:02}".format(minutes, seconds)
# Blit to the screen
text = font.render(output_string, True, BLACK)
screen.blit(text, [250, 250])
# --- Timer going down ---
# --- Timer going up ---
# Calculate total seconds
total_seconds = start_time - (frame_count // frame_rate)
if total_seconds < 0:
total_seconds = 0
# Divide by 60 to get total minutes
minutes = total_seconds // 60
# Use modulus (remainder) to get seconds
seconds = total_seconds % 60
# Use python string formatting to format in leading zeros
output_string = "Time left: {0:02}:{1:02}".format(minutes, seconds)
# Blit to the screen
text = font.render(output_string, True, BLACK)
screen.blit(text, [250, 280])
# ALL CODE TO DRAW SHOULD GO ABOVE THIS COMMENT
frame_count += 1
# Limit frames per second
clock.tick(frame_rate)
# Go ahead and update the screen with what we've drawn.
pygame.display.flip()
# Be IDLE friendly. If you forget this line, the program will 'hang'
# on exit.
pygame.quit()