rpg skeleton with classes.py

import pygame, sys
from pygame.locals import *
from pygame.draw import rect as square

winWidth = 800
winHeight = 800
black = (0, 0, 0)

everything = pygame.sprite.Group()

gameDisplay = pygame.display.set_mode((winWidth,winHeight))
pygame.display.set_caption('RPG Skeleton with Classes')


class Player(pygame.sprite.Sprite):
	def __init__(self, x, y, w, h):
		pygame.sprite.Sprite.__init__(self) #super(Player, self).__init__()
		self.display = gameDisplay
		green = (0,255,0)
		
		self.xchange = 0
		self.ychange = 0

		self.x = x
		self.y = y
		self.w = w
		self.h = h

		self.x += self.xchange
		self.y += self.ychange

		self.color = green
		self.player = square(self.display, self.color, (self.x, self.y, self.w, self.h))
		self.add(Players)
		self.image = pygame.Surface([self.x, self.y])
		self.rect = self.image.get_rect()
		
		
	def draw(self):
		self.x += self.xchange
		self.y += self.ychange

		self.player = square(self.display, self.color, (self.x, self.y, self.w, self.h))
		#self.image = pygame.Surface([self.x, self.y])
		#self.rect = self.image.get_rect()

		#self.rect = self.get_rect()

		#self.rect = (self.x, self.y, self.w, self.h)

		#if self.rect.colliderect(walls.rect):
		#	print "Collision"

class Wall(pygame.sprite.Sprite):
	def __init__(self, x, y, w, h):
		pygame.sprite.Sprite.__init__(self) #super(Wall, self).__init__()
		self.display = gameDisplay
		grey = (119, 136, 153)

		self.x = x
		self.y = y
		self.w = w
		self.h = h
		self.add(Walls)

		self.color = grey
		self.player = square(self.display, self.color, (self.x, self.y, self.w, self.h))
		#self.rect = (self.x, self.y, self.w, self.h)

		self.image = pygame.Surface([self.x, self.y])
		self.rect = self.image.get_rect()

	def draw(self):
		self.wall = square(self.display, self.color, (self.x, self.y, self.w, self.h))
		#self.image = pygame.Surface([self.x, self.y])
		#self.rect = self.image.get_rect()
		#self.rect = (self.x, self.y, self.w, self.h)

wallWidth = winWidth * .4
wallHeight = winHeight * .4
Players = pygame.sprite.Group()
Walls = pygame.sprite.Group()

link = Player(winWidth / 2 - 50, winHeight / 2 - 50, 50, 50)
wall1 = Wall(0, 0, wallWidth, wallHeight)
wall2 = Wall(winWidth - wallWidth, 0, wallWidth, wallHeight)
wall3 = Wall(0, winHeight - wallHeight, wallWidth, wallHeight)
wall4 = Wall(winWidth - wallWidth, winHeight - wallHeight, wallWidth, wallHeight)

pygame.init()


def main():
	



	pygame.display.update()

	run = True
	while run:


		gameDisplay.fill(black)

		for event in pygame.event.get():
			if event.type == KEYDOWN:
				if event.key == K_k:
					pygame.quit()
					sys.exit()
				if event.key == K_UP or event.key == K_w:
					link.ychange = -5
				if event.key == K_DOWN or event.key == K_s:
					link.ychange = 5
				if event.key == K_LEFT or event.key == K_a:
					link.xchange = -5
				if event.key == K_RIGHT or event.key == K_d:
					link.xchange = 5

			
			if event.type == KEYUP:
				if event.key == K_UP or event.key == K_w:
					link.ychange = 0
				if event.key == K_DOWN or event.key == K_s:
					link.ychange = 0
				if event.key == K_LEFT or event.key == K_a:
					link.xchange = 0
				if event.key == K_RIGHT or event.key == K_d:
					link.xchange = 0

		
		

		link.draw()
		wall1.draw()
		wall2.draw()
		wall3.draw()
		wall4.draw()

		hitWalls = pygame.sprite.groupcollide(Players, Walls, False, False)
		
		for wall in Walls.sprites():
			print wall.rect

#		for collision in hitWalls:
#			print "collision"

		pygame.display.update()

main()