1 Shader "Custom/Ill_RimLight"
2 {
3 Properties {
4 _Color ("Main Color", Color) = (.5,.5,.5,1)
5 _OutlineColor ("Rim Color", Color) = (0,0,0,1)
6 _Outline ("Rim width", Range (.002, 0.03)) = .005
7 _MainTex ("Base (RGB)", 2D) = "white" { }
8 _Illum ("Illumin (A)", 2D) = "white" { }
9 _EmissionLM ("Emission (Lightmapper)", Float) = 0
10 }
11
12 SubShader
13 {
14
15 Tags { "RenderType"="Opaque" }
16 LOD 200
17
18 CGPROGRAM
19 #pragma surface surf Lambert
20
21 sampler2D _MainTex;
22 sampler2D _Illum;
23 fixed4 _Color;
24
25 struct Input {
26 float2 uv_MainTex;
27 float2 uv_Illum;
28 };
29
30 void surf (Input IN, inout SurfaceOutput o) {
31 fixed4 tex = tex2D(_MainTex, IN.uv_MainTex);
32 fixed4 c = tex * _Color;
33 o.Albedo = c.rgb;
34 o.Emission = c.rgb * tex2D(_Illum, IN.uv_Illum).a;
35 o.Alpha = c.a;
36 }
37 ENDCG
38
39 Pass
40 {
41 CGINCLUDE
42 #include "UnityCG.cginc"
43
44 struct appdata {
45 float4 vertex : POSITION;
46 float3 normal : NORMAL;
47 };
48
49 struct v2f {
50 float4 pos : POSITION;
51 float4 color : COLOR;
52 };
53
54 uniform float _Outline;
55 uniform float4 _OutlineColor;
56
57 v2f vert(appdata v) {
58 v2f o;
59 o.pos = mul(UNITY_MATRIX_MVP, v.vertex);
60
61 float3 norm = mul ((float3x3)UNITY_MATRIX_IT_MV, v.normal);
62 float2 offset = TransformViewToProjection(norm.xy);
63
64 o.pos.xy += offset * o.pos.z * _Outline;
65 o.color = _OutlineColor;
66 return o;
67 }
68 ENDCG
69
70 Name "OUTLINE"
71 Tags { "LightMode" = "Always" }
72 Cull Front
73 ZWrite On
74 ColorMask RGB
75 Blend SrcAlpha OneMinusSrcAlpha
76
77 CGPROGRAM
78 #pragma vertex vert
79 #pragma fragment frag
80 half4 frag(v2f i) :COLOR { return i.color; }
81 ENDCG
82 }
83 }
84
85 Fallback "Self-Illumin/VertexLit"
86 }
