Add SlowlyDisappear component

Assets/Components/SlowlyDisappear.cs

@@ -0,0 +1,33 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class SlowlyDisappear : MonoBehaviour
+{
+    public float disappearAfter;
+    protected float timeLeft;
+    protected SpriteRenderer sprite;
+
+    protected float FractionLeft {
+        get {
+            return timeLeft / disappearAfter;
+        }
+    }
+
+    private void Start() {
+        sprite = GetComponent<SpriteRenderer>();
+        timeLeft = disappearAfter;
+    }
+
+    private void Update() {
+        timeLeft -= Time.deltaTime;
+        
+        if(sprite != null) {
+            sprite.color = new Color(sprite.color.r, sprite.color.g, sprite.color.b, FractionLeft);  
+        }
+
+        if(timeLeft < 0) {
+            Destroy(this.gameObject);
+        }
+    }
+}

Assets/Components/SlowlyDisappear.cs.meta

@@ -0,0 +1,11 @@
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+guid: 8cb7610d172100841907b194dece1565
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Prefabs/Gravitation Object.prefab

@@ -13,6 +13,7 @@ GameObject:
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   - component: {fileID: 5473375028011702752}
   - component: {fileID: 5473375028011702755}
+  - component: {fileID: 5319285082587561044}
   m_Layer: 0
   m_Name: Gravitation Object
   m_TagString: Untagged
@@ -135,6 +136,19 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: 
   positionInList: 0
+--- !u!114 &5319285082587561044
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 5473375028011702754}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 8cb7610d172100841907b194dece1565, type: 3}
+  m_Name: 
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   m_ObjectHideFlags: 0