Added despawning when out of bounds

Assets/Prefabs/Fruit.prefab

@@ -84,22 +84,22 @@ GameObject:
   serializedVersion: 6
   m_Component:
   - component: {fileID: 3605213539719865219}
+  - component: {fileID: 1754222534141843334}
   - component: {fileID: 5645363082347469150}
   m_Layer: 0
-  m_Name: TmpFruit
+  m_Name: Fruit
   m_TagString: Untagged
   m_Icon: {fileID: 0}
   m_NavMeshLayer: 0
   m_StaticEditorFlags: 0
   m_IsActive: 1
---- !u!4 &3605213539719865219
+--- !u!224 &3605213539719865219
-Transform:
+RectTransform:
   m_ObjectHideFlags: 0
   m_CorrespondingSourceObject: {fileID: 0}
   m_PrefabInstance: {fileID: 0}
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 8732739964968511634}
-  serializedVersion: 2
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
@@ -108,6 +108,26 @@ Transform:
   - {fileID: 5459288295520796107}
   m_Father: {fileID: 0}
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+  m_AnchorMin: {x: 0.5, y: 0.5}
+  m_AnchorMax: {x: 0.5, y: 0.5}
+  m_AnchoredPosition: {x: 0, y: 0}
+  m_SizeDelta: {x: 100, y: 100}
+  m_Pivot: {x: 0.5, y: 0.5}
+--- !u!114 &1754222534141843334
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 8732739964968511634}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: ed414fdac7005b54db4dc1ec26e16bd6, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  RectTransform: {fileID: 3605213539719865219}
+  Body2D: {fileID: 5645363082347469150}
+  AttachedCanvas: {fileID: 0}
 --- !u!50 &5645363082347469150
 Rigidbody2D:
   serializedVersion: 4

Assets/Scenes/SampleScene.unity

@@ -643,6 +643,7 @@ MonoBehaviour:
   FruitSpawnParent: {fileID: 1944344878}
   FruitPrefab: {fileID: 8732739964968511634, guid: 958453a8750b46642babdd2f3a92952e,
     type: 3}
+  GameCanvas: {fileID: 1165634413}
 --- !u!1 &1944344877
 GameObject:
   m_ObjectHideFlags: 0

Assets/Scripts/FruitBehaviour.cs

@@ -0,0 +1,59 @@
+using PashaBibko.Pacore.Attributes;
+using UnityEngine;
+
+public class FruitBehaviour : MonoBehaviour
+{
+    [Header("References")]
+    [SerializeField] private RectTransform RectTransform;
+    [SerializeField] private Rigidbody2D Body2D;
+
+    [Header("Read only")]
+    [InspectorReadOnly, SerializeField] private Canvas AttachedCanvas;
+    [InspectorReadOnly, SerializeField] private bool EnteredCanvas;
+
+    public void InitFruitBehaviour(Canvas canvas)
+    {
+        AttachedCanvas = canvas;
+        EnteredCanvas = false;
+        
+        Body2D.velocity = Random.insideUnitCircle * 2.5f;
+    }
+
+    private static bool IsWithinCanvas(RectTransform element, RectTransform canvas)
+    {
+        Vector3[] elementCorners = new Vector3[4];
+        Vector3[] canvasCorners = new Vector3[4];
+        
+        element.GetWorldCorners(elementCorners);
+        canvas.GetWorldCorners(canvasCorners);
+
+        Rect bounds = new
+        (
+            canvasCorners[0].x,
+            canvasCorners[0].y,
+            canvasCorners[2].x - canvasCorners[0].x,
+            canvasCorners[2].y - canvasCorners[0].y
+        );
+
+        foreach (Vector3 corner in elementCorners)
+        {
+            if (bounds.Contains(corner))
+            {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    private void FixedUpdate()
+    {
+        bool contained = IsWithinCanvas(RectTransform, AttachedCanvas.GetComponent<RectTransform>());
+        EnteredCanvas = EnteredCanvas || contained;
+        
+        if (!contained && EnteredCanvas)
+        {
+            Destroy(gameObject);
+        }
+    }
+}

Assets/Scripts/FruitBehaviour.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: ed414fdac7005b54db4dc1ec26e16bd6
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/FruitSpawner.cs

@@ -9,16 +9,19 @@ namespace Fruitomation
         [Header("References")]
         [SerializeField] private Transform FruitSpawnParent;
         [SerializeField] private GameObject FruitPrefab;
+        [SerializeField] private Canvas GameCanvas;
 
         [UsedImplicitly, InspectorCallable("Spawn Fruit")]
         private void SpawnFruit()
         {
             GameObject go = Instantiate(FruitPrefab, FruitSpawnParent);
-            
+            FruitBehaviour behaviour = go.GetComponent<FruitBehaviour>();
-            Rigidbody2D rb = go.GetComponent<Rigidbody2D>();
+            Debug.Assert(behaviour != null, "Could not find FruitBehaviour");
-            Debug.Assert(rb != null, "Could not find Rigidbody2D component on FruitSpawner.");
 
-            rb.velocity = Random.insideUnitCircle * 2.5f;
+            behaviour.InitFruitBehaviour
+            (
+                GameCanvas
+            );
         }
     }
 }