refactor: move existing piece logic into class

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
 
-    def draw(screen):
-        pass
+    J_SHAPE = ((0, 0), (1, 0), (2, 0), (3, 0), (3, 1), (3, 2), (2, 2), (2, 1), (1, 1), (0, 1))
+        
+    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)