Added a cat that can move around a world

Reviewed-on: #9
Reviewed-by: Tim Barvenov <timbar@st.amu.edu.pl>

Interface/grid_draw.py

@@ -1,3 +1,4 @@
+import random
 import sys
 import pygame
 
@@ -19,7 +20,7 @@ def default_color(func):
         result = func(*args, **kwargs)
         return result
 
-    return wrap
+    return wrap        
 
 
 class GridDraw:
@@ -55,3 +56,6 @@ class GridDraw:
     @default_color
     def circle(self, x, y, radius, color=None):
         pygame.draw.circle(self.screen, color, (x, y), radius)
+
+    def image(self, x, y, image):
+        self.screen.blit(image, (x, y))

Interface/vacuum_render.py

@@ -1,4 +1,5 @@
 from enum import Enum
+import random
 from typing import List
 from Interface.grid_draw import GridDraw, Colors
 import sys
@@ -16,8 +17,9 @@ def initial_draw(window_dimensions, board_size):
     tile_size = window_dimensions / board_size
 
     # initialize board array
-    newGrid = Grid(board_size)
+    newGrid = Grid(board_size, window_dimensions=window_dimensions, board_size=board_size)
     newGrid.add(objectOnTile(1, 1, acceptedType.PLAYER))
+    newGrid.add(objectOnTile(7, 8, acceptedType.ANIMAL))
     player = newGrid.findFirst(acceptedType.PLAYER)
     newGrid.move(1, 1, 1, 2)
     newGrid.move(1, 2, 1, 1)
@@ -40,7 +42,7 @@ def initial_draw(window_dimensions, board_size):
 
         newGrid.move(player.position_x, player.position_y, x, y)
 
-        newGrid.render(drawer, window_dimensions, board_size)
+        newGrid.render(drawer, newGrid=newGrid)
         drawer.end_draw()
         pygame.time.delay(30)
 
@@ -50,6 +52,7 @@ class acceptedType(Enum):
     EMPTY = "empty"
     PLAYER = "player"
     RUBBISH = "rubbish"
+    PLANT = "plant"
     ANIMAL = "animal"
 
 
@@ -68,15 +71,31 @@ def _translate_array_to_window_position(array_position, tile_size_window) -> int
 
 
 class Grid:
-    def __init__(self, size_array):
+    
+    def __init__(self, size_array, window_dimensions, board_size):
         self.array = [
             [objectOnTile(i, j) for j in range(size_array)] for i in range(size_array)
         ]
         self.list: List[objectOnTile] = []
 
+        self.tile_size = window_dimensions / board_size
+
+        self.cat_last_tick = pygame.time.get_ticks()
+        self.cat_cooldown = 1000
+        self.cat_velocity = 1
+        self.cat_busy = False
+
+        #region images
+        self.cat_front_image = pygame.transform.scale(pygame.image.load("Interface/images/cat/standing_front.png"), (self.tile_size, self.tile_size))
+        self.cat_back_image = pygame.transform.scale(pygame.image.load("Interface/images/cat/standing_back.png"), (self.tile_size, self.tile_size))
+        self.cat_left_image = pygame.transform.scale(pygame.image.load("Interface/images/cat/standing_left.png"), (self.tile_size, self.tile_size))
+        self.cat_right_image = pygame.transform.scale(pygame.image.load("Interface/images/cat/standing_right.png"), (self.tile_size, self.tile_size))
+        self.cat_current_image = self.cat_front_image
+        #endregion
+
     # render the array
-    def render(self, drawer: GridDraw, window_dimensions, board_size):
-        tile_size = window_dimensions / board_size
+    def render(self, drawer: GridDraw, newGrid):
+        #tile_size = window_dimensions / board_size
 
         # render object with respect to type
         for item in self.list:
@@ -87,19 +106,62 @@ class Grid:
 
                 # position on screen
                 render_x = _translate_array_to_window_position(
-                    item.position_x, tile_size
+                    item.position_x, self.tile_size
                 )
                 render_y = _translate_array_to_window_position(
-                    item.position_y, tile_size
+                    item.position_y, self.tile_size
                 )
 
                 # image rendering function
                 drawer.circle(
                     render_x,
                     render_y,
-                    tile_size / PLAYER_RADIUS_RATIO,
+                    self.tile_size / PLAYER_RADIUS_RATIO,
                     color=PLAYER_COLOR,
                 )
+            if item.type == acceptedType.ANIMAL:
+                now = pygame.time.get_ticks()
+                #region cat random movement
+                if now - self.cat_last_tick >= self.cat_cooldown:
+                    if self.cat_busy == False:
+                        self.cat_direction = random.randint(0,3)
+
+                    if self.cat_direction == 0: #up
+                        if self.cat_current_image == self.cat_back_image:
+                            newGrid.move(item.position_x, item.position_y, item.position_x, item.position_y - 1)
+                            self.cat_busy = False
+                        else:
+                            self.cat_busy = True
+                            self.cat_current_image = self.cat_back_image
+                    if self.cat_direction == 1: #right
+                        if self.cat_current_image == self.cat_right_image:
+                            newGrid.move(item.position_x, item.position_y, item.position_x + 1, item.position_y)
+                            self.cat_busy = False
+                        else:
+                            self.cat_busy = True
+                            self.cat_current_image = self.cat_right_image
+                    if self.cat_direction == 2: #down
+                        if self.cat_current_image == self.cat_front_image:
+                            newGrid.move(item.position_x, item.position_y, item.position_x, item.position_y + 1)
+                            self.cat_busy = False
+                        else:
+                            self.cat_busy = True
+                            self.cat_current_image = self.cat_front_image
+                    if self.cat_direction == 3: #left
+                        if self.cat_current_image == self.cat_left_image:
+                            newGrid.move(item.position_x, item.position_y, item.position_x - 1, item.position_y)
+                            self.cat_busy = False
+                        else:
+                            self.cat_busy = True
+                            self.cat_current_image = self.cat_left_image
+                    self.cat_last_tick = pygame.time.get_ticks()
+                #endregion
+
+                render_x = item.position_x * self.tile_size
+                render_y = item.position_y * self.tile_size
+
+                drawer.image(render_x, render_y, self.cat_current_image)
+
             # TODO act accordingly to other options
 
     # add new object on grid