day 22 (actually, there's no 21) - finished Pong

022/ball.py

@@ -0,0 +1,28 @@
+from turtle import Turtle
+import random
+
+class Ball(Turtle):
+    def __init__(self):
+        super().__init__()
+        self.shape("circle")
+        self.color("white")
+        self.speed("fastest")
+        self.pu()
+        self.move_speed = 0.1
+
+        self.angle = random.randint(0,45)
+        self.setheading(self.angle)
+
+        print(self.angle)
+
+    def move(self):
+        self.forward(20)
+
+    def bounce_wall(self):
+        self.angle = -self.angle
+        self.setheading(self.angle)
+
+    def bounce_paddle(self):
+        self.angle = 180 - self.angle
+        self.setheading(self.angle)
+

022/game.py

@@ -0,0 +1,85 @@
+from turtle import Turtle, Screen
+from paddle import Paddle
+from ball import Ball
+from score import Score
+import time 
+
+class GameManager():
+        BOARD_WIDTH=800
+        BOARD_HEIGHT=600
+
+        def __init__(self):
+            self.screen = Screen()
+
+            self.screen.setup(width=self.BOARD_WIDTH, height=self.BOARD_HEIGHT)
+            self.screen.bgcolor("black")
+            self.screen.title("PONG")
+            self.screen.tracer(0)
+            self.draw_delimiter()
+            self.screen.update()
+
+            self.game_on = True
+
+            self.right_paddle = Paddle(350)
+            self.left_paddle = Paddle(-370)
+
+            self.right_score = Score(30)
+            self.left_score = Score(-30)
+
+            self.ball = Ball()
+
+        def draw_delimiter(self):
+            delimiter = Turtle()
+            max_y = int(self.BOARD_HEIGHT/2)
+
+            delimiter.color("white")
+            delimiter.shape("square")
+            delimiter.pen(pensize=3)
+            delimiter.hideturtle()
+            delimiter.pu()
+            delimiter.goto(x=0, y=-max_y)
+
+            for i in range(-max_y, max_y, 20):
+                delimiter.goto(x=0, y=i+10)
+                delimiter.pu()
+                delimiter.goto(x=0, y=i+20)
+                delimiter.pd()
+
+        def game_round(self):
+            self.control_paddle()
+            self.ball.move()
+
+            if self.ball.xcor() > 400:
+                self.game_on = False
+                self.left_score.increment()
+                self.left_score.update()
+
+            if self.ball.xcor() < -400:
+                self.game_on = False
+                self.right_score.increment()
+                self.right_score.update()
+
+            if self.game_on == False:
+                self.ball.clear()
+                self.ball = Ball()
+                self.right_paddle.reset_position(350)
+                self.left_paddle.reset_position(-370)             
+                self.game_on = True
+            
+            if abs(self.ball.ycor()) > 280:
+                self.ball.bounce_wall()
+
+            if (abs(self.ball.xcor() - self.right_paddle.xcor()) <= 20 and abs(self.ball.ycor() - self.right_paddle.ycor()) < 50) or (abs(self.ball.xcor() - self.left_paddle.xcor()) <= 20 and abs(self.ball.ycor() - self.left_paddle.ycor()) < 50):
+                self.ball.bounce_paddle()
+                self.ball.move_speed = self.ball.move_speed * 0.1
+
+            time.sleep(self.ball.move_speed)
+            
+        def control_paddle(self):
+            self.screen.listen()        
+            self.screen.onkey(self.right_paddle.up, "Up")
+            self.screen.onkey(self.right_paddle.down, "Down")
+            self.screen.onkey(self.left_paddle.up, "q")
+            self.screen.onkey(self.left_paddle.down, "w")
+            self.screen.update()
+            

022/main.py

@@ -0,0 +1,7 @@
+from game import GameManager
+from paddle import Paddle
+
+game = GameManager()
+while game.game_on == True:
+    game.game_round()
+game.screen.exitonclick()

022/paddle.py

@@ -0,0 +1,20 @@
+from turtle import Turtle
+
+class Paddle(Turtle):
+    def __init__(self, x_pos):
+        super().__init__()
+
+        self.shape("square")
+        self.shapesize(stretch_wid=5, stretch_len=1)
+        self.color("white")
+        self.pu()
+        self.teleport(x=x_pos, y=0)  
+        
+    def reset_position(self, x_pos):
+        self.teleport(x=x_pos, y=0)  
+
+    def up(self):
+        self.goto(x=self.xcor(), y=self.ycor()+20)
+
+    def down(self):
+        self.goto(x=self.xcor(), y=self.ycor()-20)

022/score.py

@@ -0,0 +1,18 @@
+from turtle import Turtle
+
+class Score(Turtle):
+    def __init__(self, x_pos):
+        super().__init__()
+        self.score = 0
+        self.color("white")
+        self.hideturtle()
+        self.pu()
+        self.goto(x=x_pos, y=270)
+        self.write(self.score, move=False, align='center', font=('Arial', 24, 'normal')) 
+
+    def increment(self):
+        self.score += 1
+
+    def update(self):
+        self.clear()
+        self.write(self.score, move=False, align='center', font=('Arial', 24, 'normal'))