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Assets/SteamVR/InteractionSystem/Samples/Squishy/SquishyDeform.shader

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+Shader "Custom/SquishyDeform" {
+	Properties {
+		_MainTex ("Albedo (RGB)", 2D) = "white" {}
+		_Metallic("Metallic/Smoothness", 2D) = "white" {}
+		_Normal("Normal", 2D) = "bump" {}
+		_Deform("Deform Factor", Range(0,1)) = 0
+		_PinchDeform("Pinch Deform Factor", Range(0,1)) = 0
+		_Rough("Deform Roughness", Range(0,1)) = 0.1
+
+		_Goo("Goo Texture", 2D) = "white" {}
+		_ColorA ("Goo Color A", Color) = (1,1,1,1)
+		_ColorB("Goo Color B", Color) = (1,0,0,1)
+		_GooN("Goo Flow", 2D) = "bump" {}
+
+		_Flow("Flow Speed", Vector) = (0,1,0,-1)
+		_FlowFac("Flow Factor", Range(-1,1)) = 1
+
+
+	}
+	SubShader {
+		Tags { "RenderType"="Opaque" }
+		LOD 200
+
+		CGPROGRAM
+		// Physically based Standard lighting model, and enable shadows on all light types
+		#pragma surface surf Standard fullforwardshadows
+
+		#pragma target 3.0
+		#include "Tessellation.cginc"
+
+		struct appdata {
+			float4 vertex : POSITION;
+			float4 tangent : TANGENT;
+			float3 normal : NORMAL;
+			float2 texcoord : TEXCOORD0;
+		};
+
+
+
+
+
+		sampler2D _MainTex;
+		sampler2D _Metallic;
+		sampler2D _Normal;
+		sampler2D _Goo;
+		sampler2D _GooN;
+
+		
+
+		struct Input {
+			float2 uv_MainTex;
+			float2 uv_Goo;
+			float2 uv_GooN;
+			float4 col : COLOR;
+		};
+
+		half _Deform;
+		half _PinchDeform;
+		half _Rough;
+		fixed4 _ColorA;
+		fixed4 _ColorB;
+		half4 _Flow;
+
+		half _FlowFac;
+
+
+		void surf (Input IN, inout SurfaceOutputStandard o) {
+			// Albedo comes from a texture tinted by color
+
+			fixed4 goo = _ColorA;
+			half t = _Time.r;
+			float2 goon = UnpackNormal(tex2D(_GooN, IN.uv_GooN + float2(t*_Flow.x, _Time.r * _Flow.y)));
+			half gool = tex2D(_Goo, IN.uv_Goo + float2(t*_Flow.z, t* _Flow.w) + goon * _FlowFac);
+
+			goo = lerp(goo, _ColorB, gool);
+
+			fixed4 c = tex2D (_MainTex, IN.uv_MainTex);
+			half def = lerp(saturate(_Deform)* saturate(pow(IN.col.r, 0.4)),1, saturate(_PinchDeform)* saturate(pow(IN.col.g, 0.4))) ;
+			o.Albedo = lerp(c.rgb,goo,def);
+
+			o.Normal = UnpackNormal(tex2D(_Normal, IN.uv_MainTex));
+
+			fixed4 ms = tex2D(_Metallic, IN.uv_MainTex);
+			o.Metallic = ms.r;
+			o.Smoothness = lerp(ms.a, 1-_Rough, def);
+			o.Alpha = c.a;
+		}
+		ENDCG
+	}
+	FallBack "Diffuse"
+}