calc.py

import pygame, sys, random

# Setup pygame/window ---------------------------------------- #
mainClock = pygame.time.Clock()
from pygame.locals import *

pygame.init()
pygame.display.set_caption('game base')
screen = pygame.display.set_mode((500, 500), 0, 32)

# a particle is...
# a thing that exists at a location
# typically moves around
# typically changes over time
# and typically disappears after a certain amount of time

# [loc, velocity, timer]
particles = []

# Loop ------------------------------------------------------- #
while True:

    # Background --------------------------------------------- #
    screen.fill((0, 0, 0))
    mx, my = pygame.mouse.get_pos()
    particles.append([[mx, my], [random.randint(0, 20) / 10 - 1, -2], random.randint(4, 6)])

    for particle in particles:
        particle[0][0] += particle[1][0]
        particle[2] -= 0.1
        particle[1][1] += 0.1
        pygame.draw.circle(screen, (120, 120, 120), [int(particle[0][0]), int(particle[0][1])], int(particle[2]))
        if particle[2] <= 0:
            particles.remove(particle)

    # Buttons ------------------------------------------------ #
    for event in pygame.event.get():
        if event.type == QUIT:
            pygame.quit()
            sys.exit()
        if event.type == KEYDOWN:
            if event.key == K_ESCAPE:
                pygame.quit()
                sys.exit()

    # Update ------------------------------------------------- #
    pygame.display.update()
    mainClock.tick(60)

#import pygame
#import sys
#
#pygame.font.init()
#
#sc = pygame.display.set_mode((300, 200))
#sc.fill((255, 255, 255))
#
#f1 = pygame.font.Font(None, 36)
#text1 = f1.render('5', True,
#                  (80, 80, 80))
#
#sc.blit(text1, (10, 50))
#pygame.display.update()

#while 1:
#    for i in pygame.event.get():
#        if i.type == pygame.QUIT:
#            sys.exit()