added comments

BlankProjectTemplate/src/Gameplay.py

@@ -16,9 +16,9 @@ vel = 10
 global a
 
 a = 0
-#defining a list to keep track of snake's head
-snake_loc = []
 
+#defining a list to update snanke's length
+snake_loc = []
 #variable to increment snake's length, initially it would be 1
 snake_length = 1
 
@@ -96,7 +96,9 @@ while run:
     if(abs(x - food_location[0]) < 15 and abs(y - food_location[1]) < 15):
         score += 10
         print(score)
-        snake_length += 5
+
+        #increment the length by 3 unit every time
+        snake_length += 3
 
 
         
@@ -105,27 +107,34 @@ while run:
     #consumption of food block
     food.redraw_food(x, y, food_location, screenSize)
 
+    
+    snake_top = []
+    snake_top.append(x)
+    snake_top.append(y)
 
+    snake_loc.append(snake_top)
 
-    snake_head = []
-    snake_head.append(x)
-    snake_head.append(y)
-
-    snake_loc.append(snake_head)
-    
+    snake_blocks = len(snake_loc)
     #Draw food item
     food.draw_food(food_location)
 
     
-    if (len(snake_loc)) > snake_length:
+    if snake_blocks > snake_length:
+        #keep updating the new block
         del snake_loc[0]
-    
+    '''
+    Logic for updating the length is taken from:
+    CodeWithHarry, CodeWithHarry. “Snakes Game: Length Increment Logic - Python Game Development Using Pygame In Hindi #17.”
+    YouTube, YouTube, 2 Oct. 2018,
+    www.youtube.com/watch?v=mkGJb0W03DM&index=17&list=PLu0W_9lII9ailUQcxEPZrWgDoL36BtPYb.
+    '''
     #food.update_score(x,y,food_location, score)
     
     #Draw snake
     snake.draw(snake_loc)
-
     #update display
     pygame.display.update()
 
+print(snake_head, '\n')
+print(snake_loc)
 pygame.quit()