feat: define preliminary piece logic

entity/tetromino.py

@@ -0,0 +1,10 @@
+import pygame
+
+''' 
+    For information on the Tetris piece Tetromino go here:
+    https://tetris.fandom.com/wiki/Tetromino
+'''
+class tetromino:
+    
+    def __init__(self):
+        pass

main.py

@@ -1,4 +1,5 @@
 import pygame
+from entity.tetromino import tetromino
 
 # window properties
 WIN_WIDTH = 800
@@ -7,13 +8,35 @@ WIN_ICON = "img/tetris_icon.png"
 WIN_TITLE = "Tetris"
 WIN_BG_COLOR = (100, 149, 237) # cornflower blue, RGB
 
+# potential color palette https://coolors.co/6495ed-ee6352-59cd90-fac05e-f79d84
+FIRE_OPAL = (238, 99, 82)
+
 # engine properties
 FPS = 60
 
+# other
+TILE_SIZE = 20
+
 def draw(screen):
     # draw window bg
     screen.fill(WIN_BG_COLOR)
 
+    # 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)]
+
+    # 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))
+
+    pygame.draw.polygon(screen, FIRE_OPAL, j_transalation_points, 0)
+
+    # update display
     pygame.display.update()
 
 def main():