player.py

import pygame

class Player:
	def __init__(self, x, y):
		self.x = int(x)
		self.y = int(y)
		self.player_size = 10
		self.rect = pygame.Rect(self.x, self.y, self.player_size, self.player_size)
		self.color = (250, 120, 60)
		self.velX = 0
		self.velY = 0
		self.left_pressed = False
		self.right_pressed = False
		self.up_pressed = False
		self.down_pressed = False
		self.speed = 4

	# get current cell position of the player
	def get_current_cell(self, x, y, grid_cells):
		for cell in grid_cells:
			if cell.x == x and cell.y == y:
				return cell

	# stops player to pass through walls
	def check_move(self, tile, grid_cells, thickness):
		current_cell_x, current_cell_y = self.x // tile, self.y // tile
		current_cell = self.get_current_cell(current_cell_x, current_cell_y, grid_cells)
		current_cell_abs_x, current_cell_abs_y = current_cell_x * tile, current_cell_y * tile
		if self.left_pressed:
			if current_cell.walls['left']:
				if self.x <= current_cell_abs_x + thickness:
					self.left_pressed = False
		if self.right_pressed:
			if current_cell.walls['right']:
				if self.x >= current_cell_abs_x + tile - (self.player_size + thickness):
					self.right_pressed = False
		if self.up_pressed:
			if current_cell.walls['top']:
				if self.y <= current_cell_abs_y + thickness:
					self.up_pressed = False
		if self.down_pressed:
			if current_cell.walls['bottom']:
				if self.y >= current_cell_abs_y + tile - (self.player_size + thickness):
					self.down_pressed = False

	# drawing player to the screen
	def draw(self, screen):
		pygame.draw.rect(screen, self.color, self.rect)

	# updates player position while moving
	def update(self):
		self.velX = 0
		self.velY = 0
		if self.left_pressed and not self.right_pressed:
			self.velX = -self.speed
		if self.right_pressed and not self.left_pressed:
			self.velX = self.speed
		if self.up_pressed and not self.down_pressed:
			self.velY = -self.speed
		if self.down_pressed and not self.up_pressed:
			self.velY = self.speed

		self.x += self.velX
		self.y += self.velY

		self.rect = pygame.Rect(int(self.x), int(self.y), self.player_size, self.player_size)