Implement transparent walls when player is near

Assets/Prefabs/Player.prefab

@@ -71,7 +71,7 @@ SpriteRenderer:
   m_LightmapParameters: {fileID: 0}
   m_SortingLayerID: 0
   m_SortingLayer: 0
-  m_SortingOrder: 1
+  m_SortingOrder: 0
   m_Sprite: {fileID: 21300000, guid: 69237087e6b0b42ac8d25d0035b2e01b, type: 3}
   m_Color: {r: 1, g: 1, b: 1, a: 1}
   m_FlipX: 0
@@ -97,8 +97,6 @@ MonoBehaviour:
   m_EditorClassIdentifier: 
   movementSpeed: 4
   respawnPosition: {fileID: 0}
-  bombPrefab: {fileID: 5909392949477884267, guid: 28467e0d65b5d3844bf1862ac0c49ad9,
-    type: 3}
 --- !u!50 &6843575828445418653
 Rigidbody2D:
   serializedVersion: 4

Assets/Prefabs/Walls/bman_destructible_wall1.prefab

@@ -12,6 +12,7 @@ GameObject:
   - component: {fileID: 4177940729222266823}
   - component: {fileID: 4177940729222266822}
   - component: {fileID: 2823577682722293689}
+  - component: {fileID: 4525879622828546227}
   m_Layer: 8
   m_Name: bman_destructible_wall1
   m_TagString: Untagged
@@ -97,6 +98,18 @@ MonoBehaviour:
     type: 3}
   exitDoorPrefab: {fileID: 1538214466168189615, guid: 519235375d069406f909265766078ad0,
     type: 3}
+--- !u!114 &4525879622828546227
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 4177940729222266681}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: f76d22fdcb894023bd111d6b5bc1da5e, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
 --- !u!1 &5688352134163068791
 GameObject:
   m_ObjectHideFlags: 0

Assets/Prefabs/Walls/bman_destructible_wall2.prefab

@@ -91,6 +91,7 @@ GameObject:
   - component: {fileID: 8360026854687715433}
   - component: {fileID: 1860172021824364478}
   - component: {fileID: 3937551180478767488}
+  - component: {fileID: 2850266447828806432}
   m_Layer: 8
   m_Name: bman_destructible_wall2
   m_TagString: Untagged
@@ -176,3 +177,15 @@ MonoBehaviour:
     type: 3}
   exitDoorPrefab: {fileID: 1538214466168189615, guid: 519235375d069406f909265766078ad0,
     type: 3}
+--- !u!114 &2850266447828806432
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 8729402555587492036}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: f76d22fdcb894023bd111d6b5bc1da5e, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 

Assets/Prefabs/Walls/bman_indestructible_wall1.prefab

@@ -11,6 +11,7 @@ GameObject:
   - component: {fileID: 3400997238130971262}
   - component: {fileID: 3305047832243218078}
   - component: {fileID: 7808374684255412738}
+  - component: {fileID: 9150705305556807559}
   m_Layer: 8
   m_Name: bman_indestructible_wall1
   m_TagString: Untagged
@@ -80,6 +81,18 @@ BoxCollider2D:
   serializedVersion: 2
   m_Size: {x: 1, y: 1}
   m_EdgeRadius: 0
+--- !u!114 &9150705305556807559
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 5996206011854593075}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: f76d22fdcb894023bd111d6b5bc1da5e, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
 --- !u!1 &6716060611887421146
 GameObject:
   m_ObjectHideFlags: 0

Assets/Scenes/SampleScene.unity

@@ -8018,7 +8018,7 @@ Transform:
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 266944714}
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
-  m_LocalPosition: {x: 0, y: 0, z: -2.7893844}
+  m_LocalPosition: {x: 0, y: 0, z: -10}
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_Children:
   - {fileID: 97386695}
@@ -8156,7 +8156,7 @@ Transform:
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 519420028}
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
-  m_LocalPosition: {x: 10.581639, y: -4.0430503, z: -2.7893844}
+  m_LocalPosition: {x: 10.590895, y: -4.0430503, z: -10}
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_Children: []
   m_Father: {fileID: 0}
@@ -8436,6 +8436,11 @@ PrefabInstance:
       propertyPath: m_Name
       value: Player
       objectReference: {fileID: 0}
+    - target: {fileID: 6843575828445418657, guid: d3055091a17dc4aa1accf2e33ccef144,
+        type: 3}
+      propertyPath: m_Layer
+      value: 15
+      objectReference: {fileID: 0}
     - target: {fileID: 6843575828445418654, guid: d3055091a17dc4aa1accf2e33ccef144,
         type: 3}
       propertyPath: m_LocalPosition.x
@@ -8449,7 +8454,7 @@ PrefabInstance:
     - target: {fileID: 6843575828445418654, guid: d3055091a17dc4aa1accf2e33ccef144,
         type: 3}
       propertyPath: m_LocalPosition.z
-      value: 7.2106156
+      value: 0
       objectReference: {fileID: 0}
     - target: {fileID: 6843575828445418654, guid: d3055091a17dc4aa1accf2e33ccef144,
         type: 3}
@@ -8496,10 +8501,5 @@ PrefabInstance:
       propertyPath: respawnPosition
       value: 
       objectReference: {fileID: 185746015}
-    - target: {fileID: 6843575828445418655, guid: d3055091a17dc4aa1accf2e33ccef144,
-        type: 3}
-      propertyPath: m_SortingOrder
-      value: 0
-      objectReference: {fileID: 0}
     m_RemovedComponents: []
   m_SourcePrefab: {fileID: 100100000, guid: d3055091a17dc4aa1accf2e33ccef144, type: 3}

Assets/Scripts/src/Wall/WallTransparency.cs

@@ -0,0 +1,65 @@
+using System;
+using System.Collections.Generic;
+using src.Base;
+using src.Helpers;
+using UnityEngine;
+
+namespace src.Wall
+{
+    public class WallTransparency : GameplayComponent
+    {
+        private SpriteRenderer _spriteRenderer;
+        private Color _originalSpriteColor;
+        private bool _isTransparent;
+
+        private void Start()
+        {
+            _spriteRenderer = GetComponentInChildren<SpriteRenderer>();
+            _originalSpriteColor = _spriteRenderer.color;
+        }
+
+        private void Update()
+        {
+            var position = transform.position;
+            /* RayCast from the center of the tile up one distance and set layerMask to Player only! */
+            var hit = Physics2D.Raycast(new Vector2(position.x + .5f, position.y + 0.5f),
+                Vector2.up, 1f, 1 << 15);
+            if (hit.collider)
+            {
+                BecomeTransparent();
+            }
+            else
+            {
+                BecomeOpaque();
+            }
+        }
+
+        private void ChangeSpriteAlpha(float alpha)
+        {
+            _spriteRenderer.color =
+                new Color(_originalSpriteColor.r, _originalSpriteColor.g, _originalSpriteColor.b, alpha);
+        }
+
+        private void BecomeTransparent()
+        {
+            if (_isTransparent)
+            {
+                return;
+            }
+
+            _isTransparent = true;
+            ChangeSpriteAlpha(0.5f);
+        }
+
+        private void BecomeOpaque()
+        {
+            if (!_isTransparent)
+            {
+                return;
+            }
+
+            _isTransparent = false;
+            ChangeSpriteAlpha(1f);
+        }
+    }
+}

Assets/Scripts/src/Wall/WallTransparency.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: f76d22fdcb894023bd111d6b5bc1da5e
+timeCreated: 1560273099

ProjectSettings/Physics2DSettings.asset

@@ -53,4 +53,4 @@ Physics2DSettings:
   m_ColliderAsleepColor: {r: 0.5686275, g: 0.95686275, b: 0.54509807, a: 0.36078432}
   m_ColliderContactColor: {r: 1, g: 0, b: 1, a: 0.6862745}
   m_ColliderAABBColor: {r: 1, g: 1, b: 0, a: 0.2509804}
-  m_LayerCollisionMatrix: fffbfffffffbfffffffbfffffffffffffffbfffffffbfffffffffffffffffffffffbffffffffffffc8faffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+  m_LayerCollisionMatrix: fffbffffff7bffffff7bffffffffffffff7bfffffffbfffffffffffffffffffffffbffffffffffffc87affffffffffffffffffffffffffffffffffffe9fbffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff

ProjectSettings/TagManager.asset

@@ -22,7 +22,7 @@ TagManager:
   - 
   - 
   - 
-  - 
+  - Player
   - 
   - 
   -