Add CrashingPunch and making it work

Assets/Battle/BattleParticipantSprite.cs

@@ -0,0 +1,36 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class BattleParticipantSprite : MonoBehaviour
+{
+    public delegate void SpriteClickedAction();
+    public event SpriteClickedAction OnSpriteClicked;
+
+    // Start is called before the first frame update
+    void Start() {
+        gameObject.AddComponent<BoxCollider2D>();
+    }
+
+    // Update is called once per frame
+    void Update() {
+    }
+
+    void OnMouseDown() {
+        Debug.Log("Clicked " + this.name);
+        OnSpriteClicked();
+    }
+
+    private Color savedColor;
+
+    void OnMouseEnter() {
+        SpriteRenderer sprite = GetComponent<SpriteRenderer>();
+        this.savedColor = sprite.color;
+        sprite.color = Color.Lerp(this.savedColor, Color.white, .5f);
+    }
+
+    void OnMouseExit() {
+        SpriteRenderer sprite = GetComponent<SpriteRenderer>();
+        sprite.color = this.savedColor;
+    }
+}