refactor: move existing piece logic into class

config.yaml

@@ -6,6 +6,7 @@ window:
   
 engine:
   fps: 60
+  tile-size: 20
 
 # https://coolors.co/6495ed-ee6352-59cd90-fac05e-f79d84
 color:

entity/Piece.py

@@ -1,13 +1,29 @@
 import pygame
 
+from util.ConfigurationManager import ConfigurationManager
+
 ''' 
     For information on the Tetris piece Tetromino go here:
     https://tetris.fandom.com/wiki/Tetromino
 '''
 class Piece:
 
-    def __init__(self):
-        pass
+    J_SHAPE = ((0, 0), (1, 0), (2, 0), (3, 0), (3, 1), (3, 2), (2, 2), (2, 1), (1, 1), (0, 1))
         
-    def draw(screen):
-        pass
+    def __init__(self, shape, position, color):
+        self.color = color
+        self.points = self.__get_points(shape, position)
+
+    def __get_points(self, shape, position):
+        tile_size = ConfigurationManager.configuration["engine"]["tile-size"]
+        points = []
+
+        for vertex in shape:
+            point = [vertex[0] * tile_size + position[0], vertex[1] * tile_size + position[1]]
+            points.append(point)
+
+        return points
+
+    def draw(self, surface):
+        pygame_color = pygame.Color(self.color)
+        pygame.draw.polygon(surface, pygame_color, self.points, 0)

main.py

@@ -3,30 +3,15 @@ import pygame
 from entity.Piece import Piece
 from util.ConfigurationManager import ConfigurationManager
 
-# potential color palette https://coolors.co/6495ed-ee6352-59cd90-fac05e-f79d84
-TILE_SIZE = 10 # TODO define tile size in config
-
 def draw(screen):
     # draw window bg
     bg_color = pygame.Color(ConfigurationManager.configuration["color"]["cornflower-blue"])
     screen.fill(bg_color)
 
-    # TODO move piece logic into class
-    # draw j tetromino? 
-    j_points = [(0, 0), (1, 0), (2, 0), (3, 0), (3, 1), (3, 2), (2, 2), (2, 1), (1, 1), (0, 1)]
+    fire_opal = ConfigurationManager.configuration["color"]["fire-opal"]
 
-    # scale piece
-    j_scaled_points = []
-    for point in j_points:
-        j_scaled_points.append((point[0] * TILE_SIZE, point[1] * TILE_SIZE))
-
-    # move piece diagonally
-    j_transalation_points = []
-    for point in j_scaled_points:
-        j_transalation_points.append((point[0] + TILE_SIZE, point[1] + TILE_SIZE))
-
-    fire_opal = pygame.Color(ConfigurationManager.configuration["color"]["fire-opal"])
-    pygame.draw.polygon(screen, fire_opal, j_transalation_points, 0)
+    j_piece = Piece(Piece.J_SHAPE, (100, 100), fire_opal)
+    j_piece.draw(screen)
 
     # update display
     pygame.display.update()