From be4eb906c5e33e204668912d9da4a0fef39e8e88 Mon Sep 17 00:00:00 2001
From: Trianta <56975502+Trimutex@users.noreply.github.com>
Date: Mon, 30 Dec 2024 17:10:46 -0600
Subject: [PATCH] pong: make other bot idle when not busy

---
 src/pong.ts | 25 +++++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/src/pong.ts b/src/pong.ts
index 34c5190..cc1200b 100644
--- a/src/pong.ts
+++ b/src/pong.ts
@@ -122,8 +122,13 @@ class PongCore {
 
     // Simulate game logic
     simulate() {
-        this.botInput(this.left);
-        this.botInput(this.right);
+        if (this.ball.dx > 0) {
+            this.botInput(this.left);
+            this.botIdle(this.right);
+        } else {
+            this.botInput(this.right);
+            this.botIdle(this.left);
+        }
 
         // move paddles by their velocity
         this.left.geometry.y += this.left.dy;
@@ -246,6 +251,22 @@ class PongCore {
         if (ballRegion > paddleRegion) player.dy = player.speed; 
         if (ballRegion === paddleRegion) player.dy = 0; 
     }
+
+    // Randomly move the bot paddle when ball not towards it
+    botIdle(player: Paddle) {
+        let direction: number = Math.floor(Math.random() * 3);
+        switch (direction) {
+            case 0:
+                player.dy = 0;
+                break;
+            case 1:
+                player.dy = -player.speed;
+                break;
+            case 2:
+                player.dy = player.speed;
+                break;
+        }
+    }
 }
 
 // listen to keyboard events to move the paddles