PositionViewer/Assets/Resources/Shaders/Silhouetted Bumped Diffuse.shader

// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'

Shader "Outlined/Silhouetted Bumped Diffuse" {
	Properties{
		_Color("Main Color", Color) = (.5,.5,.5,1)
		_OutlineColor("Outline Color", Color) = (0,0,0,1)
		_Outline("Outline width", Range(0.0, 0.03)) = .005
		_MainTex("Base (RGB)", 2D) = "white" { }
		_BumpMap("Bumpmap", 2D) = "bump" {}
	}

		CGINCLUDE
#include "UnityCG.cginc"

		struct appdata {
		float4 vertex : POSITION;
		float3 normal : NORMAL;
	};

	struct v2f {
		float4 pos : POSITION;
		float4 color : COLOR;
	};

	uniform float _Outline;
	uniform float4 _OutlineColor;

	v2f vert(appdata v) {
		// just make a copy of incoming vertex data but scaled according to normal direction
		v2f o;
		o.pos = UnityObjectToClipPos(v.vertex);

		float3 norm = mul((float3x3)UNITY_MATRIX_IT_MV, v.normal);
		float2 offset = TransformViewToProjection(norm.xy);

		o.pos.xy += offset * o.pos.z * _Outline;
		o.color = _OutlineColor;
		return o;
	}
	ENDCG

		SubShader{
			Tags { "Queue" = "Transparent" }

			// note that a vertex shader is specified here but its using the one above
			Pass {
				Name "OUTLINE"
				Tags { "LightMode" = "Always" }
				Cull Off
				ZWrite Off
				ZTest Always

		// you can choose what kind of blending mode you want for the outline
		Blend SrcAlpha OneMinusSrcAlpha // Normal
		//Blend One One // Additive
		//Blend One OneMinusDstColor // Soft Additive
		//Blend DstColor Zero // Multiplicative
		//Blend DstColor SrcColor // 2x Multiplicative

CGPROGRAM
#pragma vertex vert
#pragma fragment frag

half4 frag(v2f i) : COLOR {
	return i.color;
}
ENDCG
		}


CGPROGRAM
#pragma surface surf Lambert
struct Input {
	float2 uv_MainTex;
	float2 uv_BumpMap;
};
sampler2D _MainTex;
sampler2D _BumpMap;
uniform float3 _Color;
void surf(Input IN, inout SurfaceOutput o) {
	o.Albedo = tex2D(_MainTex, IN.uv_MainTex).rgb * _Color;
	o.Normal = UnpackNormal(tex2D(_BumpMap, IN.uv_BumpMap));
}
ENDCG

	}

		SubShader{
			Tags { "Queue" = "Transparent" }

			Pass {
				Name "OUTLINE"
				Tags { "LightMode" = "Always" }
				Cull Front
				ZWrite Off
				ZTest Always
				Offset 15,15

	// you can choose what kind of blending mode you want for the outline
	Blend SrcAlpha OneMinusSrcAlpha // Normal
	//Blend One One // Additive
	//Blend One OneMinusDstColor // Soft Additive
	//Blend DstColor Zero // Multiplicative
	//Blend DstColor SrcColor // 2x Multiplicative

	CGPROGRAM
	#pragma vertex vert
	#pragma exclude_renderers gles xbox360 ps3
	ENDCG
	SetTexture[_MainTex] { combine primary }
}

CGPROGRAM
#pragma surface surf Lambert
struct Input {
	float2 uv_MainTex;
	float2 uv_BumpMap;
};
sampler2D _MainTex;
sampler2D _BumpMap;
uniform float3 _Color;
void surf(Input IN, inout SurfaceOutput o) {
	o.Albedo = tex2D(_MainTex, IN.uv_MainTex).rgb * _Color;
	o.Normal = UnpackNormal(tex2D(_BumpMap, IN.uv_BumpMap));
}
ENDCG

}

Fallback "Outlined/Silhouetted Diffuse"
}