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import pygame

pygame.init()

window = pygame.display.set_mode((800,600))

pygame.display.set_caption("Window")

class Player(object):
    def __init__(self):
        self.rect = pygame.Rect(400,300,50,50)
        self.health = 100

    def move(self,dx,dy):
        if dx != 0:
            self.move_single_axis(dx,0)
        if dy != 0:
            self.move_single_axis(0,dy)

    def move_single_axis(self,dx,dy):
        self.rect.x += dx
        self.rect.y += dy

        for block in blocklist:
            if self.rect.colliderect(block.rect):
                if dx > 0:
                    self.rect.right = block.rect.left
                if dx < 0:
                    self.rect.left = block.rect.right
                if dy > 0:
                    self.rect.bottom = block.rect.top
                if dy < 0:
                    self.rect.top = block.rect.bottom

class Block(object):
    def __init__(self,x,y):
        self.x = x
        self.y = y
        self.rect = pygame.Rect(self.x,self.y,50,50)

    def render(self,window):
        pygame.draw.rect(window,(0,0,0),self.rect)

class Health:
    def __init__(self):
        self.health = pygame.Rect(100,100,10,100)

    def render(self,window):
        font = pygame.font.SysFont("arial",20)
        str = font.render("Leben: {0}".format(player.health),True,(0,0,0))
        window.blit(str,(10,10))

player = Player()
health = Health()

level1 = [
    [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
    [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
    [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
    [0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0],
    [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
    [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
    [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
    [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
    [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
    [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
    [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
    [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
]

blocklist = []

for y in range(0,len(level1)):
    for x in range(0,len(level1[y])):
        if level1[y][x] == 1:
            blocklist.append(Block(x*32,y*32))

clock = pygame.time.Clock()

running = True
while running:

    for event in pygame.event.get():

        if event.type==pygame.QUIT:

            running = False

        key = pygame.key.get_pressed()
        if key[pygame.K_LEFT]:
            player.move(-5,0)
        if key[pygame.K_RIGHT]:
            player.move(+5,0)
        if key[pygame.K_DOWN]:
            player.move(0,+5)
        if key[pygame.K_UP]:
            player.move(0,-5)

    window.fill((255,255,255))

    health.render(window)
    pygame.draw.rect(window,(0,0,0),player.rect)

    for block in blocklist:
        block.render(window)

    clock.tick(60)
    pygame.display.flip()

pygame.quit()