Initial Commit

Assets/Plugins/Light2D/Resources/Shaders/LightIgnoreObstacles.shader

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+// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
+
+/*
+
+This is simplest and fastest light shader without path tracking. 
+It's works like "Light 1 Point", but ignores obstacles at all.
+It requires no aditional data to work so it could be used with Particle System.
+
+*/
+
+Shader "Light2D/Light Ignoring Obstacles" {
+Properties {
+	_MainTex ("Light texture", 2D) = "white" {}
+	_EmissionColorMul ("Emission color mul", Float) = 1
+}
+SubShader {	
+	Tags {"Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent"}
+
+	LOD 100
+	Blend OneMinusDstColor One
+	Cull Off
+	ZWrite Off
+	Lighting Off
+
+	Pass {  
+		CGPROGRAM
+			#pragma vertex vert
+			#pragma fragment frag
+			#pragma multi_compile ORTHOGRAPHIC_CAMERA PERSPECTIVE_CAMERA
+			
+			#include "UnityCG.cginc"
+
+			struct appdata_t {
+				float4 vertex : POSITION;
+				float2 texcoord : TEXCOORD0;
+				fixed4 color : COLOR;
+			};
+
+			struct v2f {
+				float4 vertex : SV_POSITION;
+				half2 texcoord : TEXCOORD0;
+				fixed4 color : COLOR;
+				float4 scrPos  : TEXCOORD2;
+			};
+			
+		    sampler2D _ObstacleTex;
+			sampler2D _MainTex;
+			half _EmissionColorMul;
+
+			v2f vert (appdata_t v)
+			{
+				v2f o;
+				o.vertex = UnityObjectToClipPos(v.vertex);
+				o.texcoord = v.texcoord;
+				o.scrPos = ComputeScreenPos(o.vertex);
+				o.color = v.color;
+				return o;
+			}
+			
+			fixed4 frag (v2f i) : COLOR
+			{
+                fixed4 tex = tex2D(_MainTex, i.texcoord);
+
+				fixed4 col = i.color*tex*tex.a*i.color.a;
+				col.rgb *= _EmissionColorMul;
+                return col;
+			}
+		ENDCG
+	}
+}
+
+}