upadte + array_to_window_position

Interface/vacuum_render.py

@@ -7,11 +7,17 @@ from Interface.movement import robot_movement
 
 
 # window_dimensions says how many pixels window have
-# board_size says how many lines board have
+# board_size says how many lines board have in one row
 def initial_draw(window_dimensions, board_size):
     # window name
     pygame.display.set_caption("AI Vacuum Cleaner")
 
+    # define additional variables
+    tile_size = window_width / board_size
+
+    # initialize board array
+    newGrid = Grid(board_size, tile_size)
+
     # set window dimension
     window_width = window_dimensions
     window_height = window_dimensions
@@ -25,9 +31,6 @@ def initial_draw(window_dimensions, board_size):
     x = tile_width / 2
     y = tile_height / 2
 
-    # initialize board array
-    newGrid = Grid(board_size, tile_width)
-
     # rendering loop
     while True:
         renderer.start_draw()
@@ -57,15 +60,16 @@ class objectOnTile:
         self.type = type
 
 
+# calculate position from array position to window position eg.: array_position = 0 => window_position = 50 (px)
 def _translate_array_to_window_position(
-    position_in_array, window_dimensions, board_size
+    array_position, window_dimensions, board_size
 ) -> int:
-    # TODO calculate position from array position to window position eg.: array_position = 0 => window_position = 50 (px)
-    return 0
+    tile_size_window = window_dimensions / board_size
+    return array_position * tile_size_window + tile_size_window / 2
 
 
 class Grid:
-    def __init__(self, size_array, tile_width):
+    def __init__(self, size_array, tile_size):
         self.array = [
             [objectOnTile(i, j) for j in range(size_array)] for i in range(size_array)
         ]
@@ -80,12 +84,15 @@ class Grid:
                 PLAYER_RADIUS_RATIO = 3
                 PLAYER_COLOR = Colors.RED
 
+                # position on screen
                 render_x = _translate_array_to_window_position(
                     item.position_x, window_dimensions, board_size
                 )
                 render_y = _translate_array_to_window_position(
                     item.position_y, window_dimensions, board_size
                 )
+
+                # image rendering function
                 renderer.circle(
                     render_x,
                     render_y,
@@ -123,4 +130,21 @@ class Grid:
         self.list.remove(obj)
 
     # TODO update: update position from (start_x, start_y) to (end_x, end_y)
+    def update(self, start_x, start_y, end_x, end_y):
+        # check if obj exist at starting position
+        if self.array[start_x][start_y].type == acceptedType.EMPTY:
+            print(
+                f"Cannot move object at ({start_x}, {start_y}): no object on position"
+            )
+            return
+        # check if destination is empty
+        if self.array[end_x][end_y].type != acceptedType.EMPTY:
+            print(
+                f"Cannot move object to ({end_x}, {end_y}): position already occupied"
+            )
+            return
+        # all OK
+        self.array[end_x][end_y].type = self.array[start_x][start_y].type
+        self.array[start_x][start_y].type = acceptedType.EMPTY
+
     # TODO change movement to work with arrays