Initial Commit

Assets/Games/Pong/PongBallBehavior.cs

@@ -0,0 +1,54 @@
+using System.Collections;
+using UnityEngine;
+
+public class PongBallBehavior : MonoBehaviour
+{
+    public static Vector2 score;
+
+    public float speed = 400f;
+    public float speedIncrement = 0.1f;
+    public float resetDelay = 1;
+    private Rigidbody2D rb;
+
+    private void Start()
+    {
+        rb = GetComponent<Rigidbody2D>();
+        StartCoroutine(Reset());
+    }
+
+    public void IncreaseSpeed()
+    {
+        rb.AddForce(rb.linearVelocity.normalized * speedIncrement, ForceMode2D.Impulse);
+    }
+
+    private IEnumerator Reset()
+    {
+        yield return new WaitForSeconds(1f);
+
+        transform.position = Vector3.zero;
+        rb.linearVelocity = Vector2.zero;
+
+        yield return new WaitForSeconds(resetDelay);
+
+        int direction = Random.Range(0, 2);
+        rb.AddForce(new Vector2(direction == 0 ? speed : -speed, 0), ForceMode2D.Force);
+    }
+
+    private void OnTriggerEnter2D(Collider2D other)
+    {
+        if (other.CompareTag("Pong Goal"))
+        {
+            if (other.transform.position.x > 0) score.x++;
+            else score.y++;
+            StartCoroutine(Reset());
+        }
+    }
+
+    private void OnCollisionEnter2D(Collision2D other)
+    {
+        if (other.collider.CompareTag("Pong Paddle"))
+        {
+            IncreaseSpeed();
+        }
+    }
+}