AttributeError: 'World' object has no attribute 'draw'

Question

So I am working on a platformer game for fun. I try to run the code but this error comes up:

'World' object has no attribute 'draw'

This is my world class:

class World():
def __init__(self, data):
    self.tile_list = []

    #load images
    def draw():
    

        dirt_img = pygame.image.load('assets/images/dirt.png')
        grass_img = pygame.image.load('assets/images/grass.png')
        row_count = 0
        for row in data:
            col_count = 0
            for tile in row:
                if tile == 1:
                    img = pygame.transform.scale(dirt_img, (tile_size, tile_size))
                    img_rect = img.get_rect()
                    img_rect.x = col_count * tile_size
                    img_rect.y = row_count * tile_size
                    tile = (img, img_rect)
                    self.tile_list.append(tile)
                if tile == 2:
                    img = pygame.transform.scale(grass_img, (tile_size, tile_size))
                    img_rect = img.get_rect()
                    img_rect.x = col_count * tile_size
                    img_rect.y = row_count * tile_size
                    tile = (img, img_rect)
                    self.tile_list.append(tile)
                col_count += 1
            row_count += 1

and then I call the world.draw attribute here:

world = World(world_data)
world.draw()

Also, in case you were wondering, world_data is just a list that holds a bunch of numbers that tell the code what the world should look like.

Please help me, I have been trying to fix this for ages.

well if the indentation here matches your code, the class isn't properly structured so it thinks the draw method is part of the __init__ function which isn't part of the World class at all — Matthew Barlowe
– Matthew Barlowe, Commented Jun 7, 2021 at 4:49

aaronn · Accepted Answer · 2021-06-07 06:07:58Z

0

The problem is with you indentations. You need to change them in a way so the draw method become a part of the World class.

class World:
    def __init__(self, data):
        self.tile_list = []
        self.data = data

    #load images
    def draw(self):
        pass

Also when you did that, you need to give this method a self parameter, because every method in a class must have it unless it's a static method.

I think you are trying to do something but you are doing it wrong. Any code that you put inside the __init__ method will be executed when you create an instance of the class; But you want to call the draw method later. Best way to do so is that you define the draw method as I said and then you need to save the data argument as an instance variable and whenever you need to use it, use it as self.data

for row in self.data:

edited Jun 7, 2021 at 6:07

answered Jun 7, 2021 at 5:28

aaronn

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