Added sprite dissolve shader

Assets/Scripts/Character.cs

@@ -7,21 +7,22 @@ using Unity.Mathematics;
 using UnityEngine;
 
 
-[RequireComponent( typeof(Renderer) )]
+[RequireComponent( typeof(SpriteRenderer) )]
 public class Character : MonoBehaviour
 {
-    public bool isActivePlayer;
-
-    public Character root;
 
 #region Components
 
     private new Collider2D collider;
+    private SpriteRenderer spriteRenderer;
 
 #endregion
 
 #region Inspector
 
+    [SerializeField] public bool isActivePlayer;
+    [SerializeField] private Sprite aliveSprite;
+    [SerializeField] private Sprite deadSprite;
     [SerializeField] private float dissolveSpeed = 0.05f;
     [SerializeField] private Transform spawnPosition;
     [SerializeField] private Transform parentForNew;
@@ -31,6 +32,12 @@ public class Character : MonoBehaviour
 
 #endregion
 
+#region Other public data
+
+    public Character root;
+
+#endregion
+
 #region Events
 
     public event Action<Character> Killed;
@@ -41,10 +48,11 @@ public class Character : MonoBehaviour
 
     public List<Character> spawnedObjects = new();
     private static readonly int DissolveAmount = Shader.PropertyToID( "_DissolveAmount" );
+    private readonly Collider2D[] findColliders = new Collider2D[50];
 
-    private IEnumerator Start()
+    private void Start()
     {
-        yield return new WaitForSeconds( 0.5f );
+        // yield return new WaitForSeconds( 0.5f );
 
         if ( root == null )
         {
@@ -58,9 +66,9 @@ public class Character : MonoBehaviour
 
     private void OnEnable()
     {
-        GetComponent<InputToMovement>();
-        GetComponent<CharacterController2D>();
         collider = GetComponent<Collider2D>();
+        spriteRenderer = GetComponent<SpriteRenderer>();
+        spriteRenderer.sprite = aliveSprite;
         if ( root != null )
         {
             Spawned -= OnSpawned;
@@ -93,6 +101,7 @@ public class Character : MonoBehaviour
         // inputToMovement.enabled = false;
         isActivePlayer = false;
         SpawnNew();
+        spriteRenderer.sprite = deadSprite;
 
         // newPlayer.GetComponent<InputToMovement>().enabled = true;
         // newPlayer.GetComponent<CharacterController2D>().enabled = true;
@@ -126,15 +135,18 @@ public class Character : MonoBehaviour
         float closestDistance = float.MaxValue;
         var t = transform;
         var localScale = t.localScale;
-        Collider2D[] colliders = new Collider2D[50];
+        Array.Clear( findColliders , 0 , findColliders.Length );
         Physics2D.OverlapBoxNonAlloc( point: t.position
                                     , size: new Vector2( localScale.x + range , localScale.y + range )
                                     , angle: t.rotation.eulerAngles.z
-                                    , results: colliders
+                                    , results: findColliders
                                     , layerMask: findLayerMask );
 
-        foreach ( Collider2D coll in colliders )
+        foreach ( Collider2D coll in findColliders )
         {
+            if ( coll == null )
+                continue;
+
             if ( !coll.TryGetComponent( out Character character ) )
                 continue;
 

Assets/Scripts/CharacterController2D.cs

@@ -10,6 +10,7 @@ using UnityEngine.Events;
 /// </summary>
 public class CharacterController2D : MonoBehaviour
 {
+    public bool active = true;
     [SerializeField] private float jumpForce = 50f;                            // Amount of force added when the player jumps.
     [Range( 0 , .3f )] [SerializeField] private float movementSmoothing = .05f;// How much to smooth out the movement
     [SerializeField] private bool airControl = true;                           // Whether or not a player can steer while jumping;
@@ -33,6 +34,9 @@ public class CharacterController2D : MonoBehaviour
 
     private void FixedUpdate()
     {
+        if ( !active )
+            return;
+        
         m_Grounded = false;
 
         Array.Clear( colliders , 0 , colliders.Length );
@@ -65,6 +69,9 @@ public class CharacterController2D : MonoBehaviour
 
     public void Move( float move , bool jump )
     {
+        if(!active)
+            return;
+        
         //only control the player if grounded or airControl is turned on
         if ( m_Grounded || airControl )
         {

Assets/Scripts/InputToMovement.cs

@@ -1,6 +1,7 @@
 using System;
 
 using UnityEngine;
+// ReSharper disable RedundantCheckBeforeAssignment
 
 
 [RequireComponent( typeof(CharacterController2D) , typeof(Character) )]
@@ -13,8 +14,6 @@ public class InputToMovement : MonoBehaviour
     {
         controller2D = GetComponent<CharacterController2D>();
         character = GetComponent<Character>();
-
-        // interactTimer = 0;
     }
 
     // Update is called once per frame
@@ -27,16 +26,15 @@ public class InputToMovement : MonoBehaviour
 
     private void Update()
     {
+        if(controller2D.active != character.isActivePlayer)
+            controller2D.active = character.isActivePlayer;
+        
         if ( !character.isActivePlayer )
             return;
 
-        // if ( controller2D == null )
-        // return;
-
         var horizontal = Input.GetAxis( "Horizontal" );
         var jump = Input.GetButton( "Jump" );
 
-        // var crouch = Input.GetButton( "Crouch" );
         if ( horizontal != 0 || jump )
         {
             controller2D.Move( horizontal , jump );