Puddle Shader upload

Puddle Shader upload

PuddleShader.shader

@@ -0,0 +1,75 @@
+Shader "Custom/PuddleShader" {
+	Properties {
+		_Color ("Color", Color) = (1,1,1,1)
+		_MainTex ("Albedo (RGB)", 2D) = "white" {}
+		_NormalTex ("Normal Map", 2D) = "white" {}
+		_NormalValue("Normal Value", Float) = 5
+		_HeightMap ("Height Map", 2D) = "white" {} 
+		_HeightMapScale ("Height", Range(0,1)) = 0.0
+		_OcclusionMap("OcclusionMap", 2D) = "white" {}
+		_OcclusionStrength("Occlusion Strength", Range(0,1)) = 0.0
+		_EmissionColor("Emission Color", Color) = (0,0,0,0)
+		_EmissionValue("Emission Value", Range(0,1)) = 0.0
+		_PuddleTex("Puddle", 2D) = "white" {}
+		_PuddleColor("Puddle Color", Color) = (1,1,1,1)
+		_Intensity("Puddle Intensity", Range(0,1)) = 0.5
+		_Wet("Wetness", Range(0,1)) = 0.0
+	}
+	SubShader {
+		Tags { "RenderType"="Opaque" }
+		LOD 200
+
+		CGPROGRAM
+		// Physically based Standard lighting model, and enable shadows on all light types
+		#pragma surface surf StandardSpecular fullforwardshadows
+
+		// Use shader model 3.0 target, to get nicer looking lighting
+		#pragma target 3.0
+
+		sampler2D _MainTex;
+		sampler2D _NormalTex;
+		sampler2D _PuddleTex;
+		sampler2D _OcclusionMap;
+ 		sampler2D _HeightMap;
+
+		struct Input {
+			float2 uv_MainTex;
+			float2 uv_PuddleTex;
+		};
+
+		fixed4 _Color;
+		fixed4 _PuddleColor;
+		fixed4 _EmissionColor;
+		half _Wet;
+		half _Intensity;
+		half _OcclusionStrength;
+		half _HeightMapScale;
+		half _EmissionValue;
+		half _NormalValue;
+
+		// Add instancing support for this shader. You need to check 'Enable Instancing' on materials that use the shader.
+		// See https://docs.unity3d.com/Manual/GPUInstancing.html for more information about instancing.
+		// #pragma instancing_options assumeuniformscaling
+		UNITY_INSTANCING_CBUFFER_START(Props)
+			// put more per-instance properties here
+		UNITY_INSTANCING_CBUFFER_END
+
+		void surf (Input IN, inout SurfaceOutputStandardSpecular o) 
+		{
+			float3 normalMap = UnpackNormal(tex2D(_NormalTex, IN.uv_MainTex));
+			half4 puddleSpec = tex2D(_PuddleTex, IN.uv_PuddleTex);
+			fixed4 c = tex2D (_MainTex, IN.uv_MainTex) * _Color;
+
+			// Albedo comes from a texture tinted by color				
+			o.Albedo = c.rgb;
+			o.Normal = normalMap.rgb*_NormalValue;
+			o.Alpha = c.a;
+			o.Specular = puddleSpec.a * _Wet * _PuddleColor;
+            o.Occlusion = tex2D(_OcclusionMap, IN.uv_MainTex) * _OcclusionStrength;
+			o.Smoothness = _Intensity * puddleSpec.a;
+			o.Emission = _EmissionColor.rgb * _EmissionValue;
+		}
+		ENDCG
+	}
+	FallBack "Diffuse"
+}