tylemap.py

import pygame
import os
from settings import *


class Map:
    def __init__(self, filename):
        self.data = []
        with open(filename, 'rt') as f:
            for line in f:
                self.data.append(line)
        self.tilewidth = len(self.data[0])
        self.tileheight = len(self.data)
        self.width = self.tilewidth * tilesize
        self.height = self.tileheight * tilesize


class Camera:
    def __init__(self, width, height):
        self.camera = pygame.Rect(0, 0, width, height)
        self.width, self.height = width, height

    def apply(self, entity):
        return entity.rect.move(self.camera.topleft)

    def update(self, target):
        x = -target.rect.x + width // 2
        y = -target.rect.y + height // 2

        # limit scrolling
        x = min(0,x)  #left
        self.camera = pygame.Rect(x, y, self.width, self.height)