# -*- coding: UTF-8 -*-

### Tangled Mind
### Author: Arthur 'Grizzly' Grisel-Davy

import pygame
pygame.init()


screen_width = 800
screen_height = 800
screen = pygame.display.set_mode((screen_width, screen_height))
done = False


BACKGROUND=(0,0,0)
WHITE=(255,255,255)
BLUE=(0,0,255)

posx = 400
posy = 400
width=50
height=50

pygame.draw.rect(screen,BLUE,(posx,posy,width,height))

speed = 1

while not done:
        for event in pygame.event.get():
                if event.type == pygame.QUIT:
                        done = True

        keystate = pygame.key.get_pressed()
        if keystate[pygame.K_LEFT]:
            posx -= speed
            if posx <0:
            	posx=0
        if keystate[pygame.K_RIGHT]:
            posx += speed
            if posx+width > screen_width:
            	posx = screen_height-width
        if keystate[pygame.K_UP]:
            posy -= speed
            if posy < 0:
            	posy = 0
        if keystate[pygame.K_DOWN]:
            posy += speed
            if posy+height > screen_height:
            	posy = screen_height-height

        screen.fill(BACKGROUND)
        pygame.draw.rect(screen,BLUE,(posx,posy,width,height))
        pygame.display.flip()