[Player] Add AI Pathfinding on a 2D grid to the player character

Assets/External/AstarPathfindingProject/ExampleScenes/Materials/DiffuseAlwaysVisible.shader

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+Shader "Diffuse - Always visible" {
+	Properties {
+		_NotVisibleColor ("X-ray color (RGB)", Color) = (0,1,0,1)
+		_Color ("Main Color",Color) = (0.5,0.5,0.5,1)
+		_MainTex ("Base (RGB)", 2D) = "white" {}
+	}
+	SubShader {
+		Tags { "RenderType"="Opaque-1" }
+		LOD 200
+		
+            
+
+            Pass {
+            	ZTest LEqual
+	            Material {
+	                Diffuse [_Color]
+	                Ambient [_Color]
+	            }
+	            Lighting On
+	            
+	            SetTexture [_MainTex] {
+					Combine texture * primary DOUBLE, texture * primary
+				} 
+	        }
+           
+		 Pass {
+            
+        	ZTest Greater
+        	
+        	Material {
+        		Diffuse [_NotVisibleColor]
+        	}
+        	
+        	Color [_NotVisibleColor]
+        	
+        }
+        
+		
+		
+		
+        
+		
+	} 
+	FallBack "Diffuse"
+}