From 670508261bb693c5e11da4a24b08c3cb80964153 Mon Sep 17 00:00:00 2001
From: Tanguy Deleplanque <tanguy@teachonmars.com>
Date: Tue, 15 Jul 2025 17:43:03 +0200
Subject: [PATCH] day 21 - pong WIP

---
 021/ball.py   | 27 ++++++++++++++++++++++
 021/game.py   | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++
 021/main.py   |  9 ++++++++
 021/paddle.py | 17 ++++++++++++++
 4 files changed, 115 insertions(+)
 create mode 100644 021/ball.py
 create mode 100644 021/game.py
 create mode 100644 021/main.py
 create mode 100644 021/paddle.py

diff --git a/021/ball.py b/021/ball.py
new file mode 100644
index 0000000..7f09e45
--- /dev/null
+++ b/021/ball.py
@@ -0,0 +1,27 @@
+from turtle import Turtle
+import random
+
+class Ball(Turtle):
+    def __init__(self):
+        super().__init__()
+        self.shape("circle")
+        self.color("white")
+        self.pu()
+
+        self.angle = random.randint(0,45)
+        self.angle = 50
+        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 = -self.angle
+        self.setheading(self.angle)
+
diff --git a/021/game.py b/021/game.py
new file mode 100644
index 0000000..1561fa8
--- /dev/null
+++ b/021/game.py
@@ -0,0 +1,62 @@
+from turtle import Turtle, Screen
+from paddle import Paddle
+from ball import Ball
+
+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.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 abs(self.ball.xcor()) >= 400:
+                self.game_on = False
+            
+            if abs(self.ball.ycor()) > 280:
+                self.ball.bounce_wall()
+            
+            print(self.ball.ycor())
+            
+        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()
+            
\ No newline at end of file
diff --git a/021/main.py b/021/main.py
new file mode 100644
index 0000000..7518736
--- /dev/null
+++ b/021/main.py
@@ -0,0 +1,9 @@
+from game import GameManager
+from paddle import Paddle
+import time
+
+game = GameManager()
+while game.game_on:
+    game.game_round()
+    time.sleep(0.1)
+game.screen.exitonclick()
\ No newline at end of file
diff --git a/021/paddle.py b/021/paddle.py
new file mode 100644
index 0000000..b011677
--- /dev/null
+++ b/021/paddle.py
@@ -0,0 +1,17 @@
+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 up(self):
+        self.goto(x=self.xcor(), y=self.ycor()+20)
+
+    def down(self):
+        self.goto(x=self.xcor(), y=self.ycor()-20)
\ No newline at end of file