#pixels.py
#
#Plotting pixels on the screen
#
import pygame
import random

screen = pygame.display.set_mode((640, 480))	#Pygame screen 640 X 480
pygame.display.set_caption("pygame window")	#Pygame window title
PIXEL_COLOR = (0, 255, 0)	#Green RGB value
BG_COLOR = (0, 0, 0)		#Black RGB value
clock = pygame.time.Clock()	#pygame clcok
FPS = 60			#60 FPS
running = True			#Main game loop executes while true

while running:
	#sets a pixel at a random position on screen. The function works
	#as follows surface.set_at((x, y), pixelColor) x and y being the
	#position of the pixel on screen and pixelColor being the color
	#of the pixel
	x = random.randint(0, 640)
	y = random.randint(0, 480)
	screen.set_at((x, y), PIXEL_COLOR)
	
	#For loop that checks for pygame events and if the quit event is
	#found running is set to False
	for event in pygame.event.get():
		if event.type == pygame.QUIT:
			running = False
	
	pygame.display.flip()	#Updates display
	clock.tick(FPS)		#Sets the framerate