day 20 - fixed collision issues

020/food.py

@@ -1,22 +1,23 @@
-from turtle import Turtle
+from turtle import Turtle, Screen
 import random
 
-class Food:
+class Food(Turtle):
     def __init__(self, screen_x_size, screen_y_size):
-        self.turtle = Turtle(shape="square")
-        self.turtle.color("cyan")
-        self.turtle.pu()
+        super().__init__()
+        self.shape("square")
+        self.color("cyan")
+        self.pu()
 
         x_limit = int((screen_x_size-20)/40)
         y_limit = int((screen_y_size-20)/40)
 
         x_pos = random.randint(-x_limit, x_limit)*20
         y_pos = random.randint(-y_limit, y_limit)*20
-        self.turtle.teleport(x=x_pos, y=y_pos)
+        self.teleport(x=x_pos, y=y_pos)
 
     
     def get_position(self):
-        return self.turtle.xcor(), self.turtle.ycor()
+        return self.xcor(), self.ycor()
     
     def hide(self):
-        self.turtle.hideturtle()
+        self.hideturtle()

020/game.py

@@ -39,11 +39,9 @@ class GameManager:
         return wall_collision or snake_collision
     
     def is_food_eaten(self):
-        snake_x, snake_y = self.snake.get_head_position()
-        food_x, food_y = self.food.get_position()
+        snake_head = self.snake.get_head()
 
-        if int(snake_x) == int(food_x) and int(snake_y) == int(food_y):
-            print("Yihaa")
+        if snake_head.distance(self.food) <= 15:
             self.food.hide()
             self.snake.extend()
             self.food_on_screen = False

020/snake.py

@@ -51,9 +51,12 @@ class Snake:
     def get_head_position(self):
         return self.segments[0].xcor(), self.segments[0].ycor()
 
+    def get_head(self):
+        return self.segments[0]
+    
     def tailbite(self):
         for i in range(len(self.segments) - 1, 0, -1):
-            if self.segments[0].position() == self.segments[i].position():
+            if self.segments[0].distance(self.segments[i]) <= 15:
                 return True
         return False