main.py

import pygame, sys, random
from pygame.locals import*

BOARDWIDTH = 4
BOARDHEIGHT = 4
TILESIZE = 80
WINDOWWIDTH = 640
WINDOWHEIGHT = 480
FPS = 30
BLANK = None

BLACK = (0,0,0,128)
WHITE = (255,255,255,128)
BRIGHTBLUE = (0,50,255,128)
DARKTURQUOISE = (3,54,73,128)
NAVYBLUE = (0,0,128,128)

BGCOLOR = DARKTURQUOISE
TILECOLOR = NAVYBLUE
TEXTCOLOR = WHITE
BORDERCOLOR = BRIGHTBLUE
BASICFONTSIZE = 20

BUTTONCOLOR = WHITE
BUTTONTEXTCOLOR = BLACK
MESSAGECOLOR = WHITE

XMARGIN = int((WINDOWWIDTH - (TILESIZE * BOARDWIDTH + (BOARDWIDTH - 1))) / 2)
YMARGIN = int((WINDOWHEIGHT - (TILESIZE * BOARDHEIGHT + (BOARDHEIGHT - 1))) / 2)

UP = 'up'
DOWN = 'down'
LEFT = 'left'
RIGHT = 'right'

def main():
	global FPSCLOCK, DISPLAYSURF , BASICFONT, RESET_SURF, RESET_RECT, NEW_SURF, NEW_RECT,SOLVE_SURF,SOLVE_RECT
	
	pygame.init()
	FPSCLOCK = pygame.time.Clock()
	DISPLAYSURF	= pygame.display.set_mode((WINDOWWIDTH,WINDOWHEIGHT))
	pygame.display.set_caption('Slide Puzzle')
	BASICFONT = pygame.font.Font('freesansbold.ttf',BASICFONTSIZE)
	
	#buttons
	RESET_SURF,RESET_RECT = makeText('Reset', TEXTCOLOR,TILECOLOR,WINDOWWIDTH-120,WINDOWWIDTH-90)
	NEW_SURF,NEW_RECT = makeText('New Game', TEXTCOLOR,TILECOLOR,WINDOWWIDTH-120,WINDOWHEIGHT-60)
	SOLVE_SURF,SOLVE_RECT = makeText('Solve Puzzle',TEXTCOLOR,TILECOLOR,WINDOWWIDTH-120,WINDOWHEIGHT-30)
	
	mainBoard,solutionSeq = generateNewPuzzle(50)
	SOLVEBOARD = getStartingBoard()
	allMoves = []
	
	while True:
		slideTo = None