import pygame

# Some useful constants.
SCREEN_W = 1000
SCREEN_H = 600
DELTA_ME = 1
DELTA = 5

# Indexes into item list for dots - to make code easier to read in the
# absence of objects.
X = 0
Y = 1
DX = 2
DY = 3
R = 4
CLR = 5

# Colors I am using for this program.
BLUE = pygame.Color(0,0,255)
GREEN = pygame.Color(0,255,0)
RED = pygame.Color(255,0,0)
LIME = pygame.Color(180,255,100) 
PINK = pygame.Color(255,100,180)
WHITE = pygame.Color(0,0,0)