drop zone

BOX-BUX/Assets/Scripts/DropZone.cs

@@ -0,0 +1,59 @@
+using Assets.Scripts;
+using System.Collections;
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+using UnityEngine;
+
+public class DropZone : MonoBehaviour
+{
+    private class ChangingState
+    {
+        public float countdown;
+        public bool changing;
+
+        public ChangingState(float countdown, bool changing)
+        {
+            this.countdown = countdown;
+            this.changing = changing;
+        }
+    }
+
+    public ChangeType changeType;
+    public float secondsToChange = 0.5f;
+    private Dictionary<Pickable, ChangingState> countdowns = new Dictionary<Pickable, ChangingState>();
+
+    private void Update()
+    {
+        foreach(var box in countdowns.Keys.ToList())
+        {
+            var state = countdowns[box];
+            if (!state.changing)
+            {
+                countdowns.Remove(box);
+                continue;
+            }
+            state.countdown -= Time.deltaTime;
+            if(state.countdown <= 0)
+            {
+                countdowns.Remove(box);
+                ModificationSystem.MakeChange(box, changeType);
+            }
+        }
+    }
+
+    public void OnTriggerStay(Collider other)
+    {
+        Triggerable triggerable = other.GetComponent<Triggerable>();
+        if (triggerable == null)
+        {
+            return;
+        }
+        Pickable toChange = triggerable.asPickable();
+
+        if (!countdowns.ContainsKey(toChange))
+        {
+            countdowns.Add(toChange, new ChangingState(secondsToChange, toChange.holder.held != toChange));
+        }
+    }
+}