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

Assets/External/AstarPathfindingProject/ExampleScenes/Materials/Projector Light.shader

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+Shader "Projector/Light" {
+  Properties {
+  	  _Color ("Main Color", Color) = (1,1,1,1)   	
+     _ShadowTex ("Cookie", 2D) = "" { TexGen ObjectLinear }
+     _FalloffTex ("FallOff", 2D) = "" { TexGen ObjectLinear }
+  }
+  Subshader {
+     Pass {
+        ZWrite off
+        Fog { Color (0, 0, 0) }
+        Color [_Color]
+        ColorMask RGB
+        Blend DstColor One
+		Offset -1, -1
+        SetTexture [_ShadowTex] {
+		   combine texture * primary, ONE - texture
+           Matrix [_Projector]
+        }
+        SetTexture [_FalloffTex] {
+           constantColor (0,0,0,0)
+           combine previous lerp (texture) constant
+           Matrix [_ProjectorClip]
+        }
+     }
+  }
+}