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Slide puzzle.py
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Slide puzzle.py
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import pygame,sys,random
from pygame.locals import *
boardw=5
boardh=5
tilesize=80
windoww=680
windowh=520
shufflemoves=100
fps=30
blank=None
background=(97,0,161)
tilecolor=(255,172,0)
textcolor=(255,255,255)
bordercolor=(73,186,0)
fontsize=20
msgcolor=(236,253,18)
boardx=int((windoww-(tilesize*boardw+boardw-1))/2)
boardy=int((windowh-(tilesize*boardh+boardh-1))/2)
up="up"
down="down"
left="lest"
right="right"
def main():
global fpsclock,display,font,resetsurf,newsurf,solvesurf,resetrect,newrect,solverect
pygame.init()
fpsclock=pygame.time.Clock()
display=pygame.display.set_mode((windoww,windowh))
pygame.display.set_caption("Slide puzzle")
font=pygame.font.SysFont("comicsansms", fontsize)
resetsurf,resetrect=make_text(" Reset ",textcolor,tilecolor,windoww-120,windowh-90)
newsurf,newrect=make_text(" New Game ",textcolor,tilecolor,windoww-120,windowh-60)
solvesurf,solverect=make_text(" Solve ",textcolor,tilecolor,windoww-120,windowh-30)
mainboard,solution=new_puzzle(shufflemoves)
solvedboard=starting_board()
allmoves=[]
while True:
slideto=None
msg="Click tile or press arrow keys to slide."
if mainboard==solvedboard:
msg="Solved!"
solution=[]
allmoves=[]
draw_board(mainboard,msg)
quit_check()
for event in pygame.event.get():
if event.type==MOUSEBUTTONUP:
spotx,spoty=spot_clicked(mainboard,event.pos[0],event.pos[1])
if (spotx,spoty)==(None,None):
if resetrect.collidepoint(event.pos):
reset(mainboard,allmoves)
elif newrect.collidepoint(event.pos):
mainboard,solution=new_puzzle(shufflemoves)
elif solverect.collidepoint(event.pos):
reset(mainboard,solution+allmoves)
allmoves=[]
else:
blankx,blanky=blank_position(mainboard)
if spotx==blankx and spoty==blanky+1:
slideto=up
elif spotx==blankx and spoty==blanky-1:
slideto=down
elif spotx==blankx+1 and spoty==blanky:
slideto=left
elif spotx==blankx-1 and spoty==blanky:
slideto=right
elif event.type==KEYUP:
if event.key in (K_UP,K_w) and is_valid_move(mainboard,up):
slideto=up
elif event.key in (K_DOWN,K_s) and is_valid_move(mainboard,down):
slideto=down
elif event.key in (K_LEFT,K_a) and is_valid_move(mainboard,left):
slideto=left
elif event.key in (K_RIGHT,K_d) and is_valid_move(mainboard,right):
slideto=right
if slideto:
slide_animation(mainboard,slideto,"Click tile or press arrow keys to slide.",8)
make_move(mainboard,slideto)
allmoves.append(slideto)
pygame.display.update()
fpsclock.tick(fps)
def close_game():
pygame.quit()
sys.exit()
def quit_check():
for event in pygame.event.get(QUIT):
close_game()
for event in pygame.event.get(KEYUP):
if event.key==K_ESCAPE:
close_game()
pygame.event.post(event)
def starting_board():
counter=1
board=[]
for i in range(boardw):
column=[]
for j in range(boardh):
column.append(counter)
counter+=boardw
board.append(column)
counter-=boardw*boardh-1
board[boardw-1][boardh-1]=blank
return board
def blank_position(board):
for i in range(boardw):
for j in range(boardh):
if board[i][j]==blank:
return (i,j)
def make_move(board,move):
blankx,blanky=blank_position(board)
if move==up:
board[blankx][blanky],board[blankx][blanky+1]=board[blankx][blanky+1],board[blankx][blanky]
elif move==down:
board[blankx][blanky],board[blankx][blanky-1]=board[blankx][blanky-1],board[blankx][blanky]
elif move==left:
board[blankx][blanky],board[blankx+1][blanky]=board[blankx+1][blanky],board[blankx][blanky]
elif move==right:
board[blankx][blanky],board[blankx-1][blanky]=board[blankx-1][blanky],board[blankx][blanky]
def is_valid_move(board,move):
blankx,blanky=blank_position(board)
return (move==up and blanky!=len(board[0])-1) or\
(move==down and blanky!=0) or\
(move==left and blankx!=len(board)-1) or\
(move==right and blankx!=0)
def random_move(board,prmove=None):
validmoves=[up,down,left,right]
if prmove==up or not is_valid_move(board,down):
validmoves.remove(down)
if prmove==down or not is_valid_move(board,up):
validmoves.remove(up)
if prmove==left or not is_valid_move(board,right):
validmoves.remove(right)
if prmove==right or not is_valid_move(board,left):
validmoves.remove(left)
return random.choice(validmoves)
def top_left_of_tile(tilex,tiley):
left=boardx+tilex*tilesize+tilex-1
top=boardy+tiley*tilesize+tiley-1
return (top,left)
def spot_clicked(board,x,y):
for tilex in range(len(board)):
for tiley in range(len(board[0])):
top,left=top_left_of_tile(tilex,tiley)
tile=pygame.Rect(left,top,tilesize,tilesize)
if tile.collidepoint(x,y):
return (tilex,tiley)
return (None,None)
def draw_tile(tilex,tiley,number,adjx=0,adjy=0):
top,left=top_left_of_tile(tilex,tiley)
pygame.draw.rect(display,tilecolor,(left+adjx,top+adjy,tilesize,tilesize))
textsurf=font.render(str(number),True,textcolor)
textrect=textsurf.get_rect()
textrect.center=left+int(tilesize/2)+adjx,top+int(tilesize/2)+adjy
display.blit(textsurf,textrect)
def make_text(text,color,background,top,left):
textsurf=font.render(text,True,color,background)
textrect=textsurf.get_rect()
textrect.topleft=(top,left)
return (textsurf,textrect)
def draw_board(board,msg):
display.fill(background)
if msg:
textsurf,textrect=make_text(msg,msgcolor,background,5,5)
display.blit(textsurf,textrect)
for tilex in range(len(board)):
for tiley in range(len(board[0])):
if board[tilex][tiley]:
draw_tile(tilex,tiley,board[tilex][tiley])
top,left=top_left_of_tile(0,0)
width=boardw*tilesize
height=boardh*tilesize
pygame.draw.rect(display,bordercolor,(left-5,top-5,width+8+boardw,height+8+boardh),4)
display.blit(resetsurf,resetrect)
display.blit(newsurf,newrect)
display.blit(solvesurf,solverect)
def slide_animation(board,direction,msg,speed):
blankx,blanky=blank_position(board)
if direction==up:
movex=blankx
movey=blanky+1
elif direction==down:
movex=blankx
movey=blanky-1
elif direction==left:
movex=blankx+1
movey=blanky
elif direction==right:
movex=blankx-1
movey=blanky
draw_board(board,msg)
basesurf=display.copy()
movetop,moveleft=top_left_of_tile(movex,movey)
pygame.draw.rect(basesurf,background,(moveleft,movetop,tilesize,tilesize))
for i in range(0,tilesize,speed):
quit_check()
display.blit(basesurf,(0,0))
if direction==up:
draw_tile(movex,movey,board[movex][movey],0,-i)
elif direction==down:
draw_tile(movex,movey,board[movex][movey],0,i)
elif direction==left:
draw_tile(movex,movey,board[movex][movey],-i,0)
elif direction==right:
draw_tile(movex,movey,board[movex][movey],i,0)
pygame.display.update()
fpsclock.tick(fps)
def new_puzzle(slides):
sequence=[]
board=starting_board()
draw_board(board,"")
pygame.display.update()
pygame.time.wait(500)
prmove=None
for i in range(slides):
move=random_move(board,prmove)
slide_animation(board,move,"Generating new puzzle...",speed=int(tilesize/3))
make_move(board,move)
sequence.append(move)
prmove=move
return (board,sequence)
def reset(board,allmoves):
reversedmoves=allmoves[:]
reversedmoves.reverse()
for move in reversedmoves:
if move==up:
oppositemove=down
elif move==down:
oppositemove=up
elif move==left:
oppositemove=right
elif move==right:
oppositemove=left
slide_animation(board,oppositemove,"",speed=int(tilesize/2))
make_move(board,oppositemove)
if __name__=="__main__":
main()