Fake BRDF Samlple code for Unity3d

1. Shader "Custom/TestShader" {
2.     Properties {
3.         _MainTex ("Base (RGB)", 2D) = "white" {}
4.         _BRDFTex ("BRDF (RGB)", 2D) = ""{}
5.     }
6.     SubShader {
7.         Tags { "RenderType"="Opaque" }
8.         LOD 200
9.        
10.         CGPROGRAM
11.         #pragma surface surf NoLighting
13.         sampler2D _MainTex;
14.         sampler2D _BRDFTex;
16.         struct Input {
17.             float2 uv_MainTex;
18.             float2 uv_BRDFTex;
19.         };
21.         void surf (Input IN, inout SurfaceOutput o) {
22.             half4 c = tex2D (_MainTex, IN.uv_MainTex);
23.             o.Albedo = c.rgb;
24.             o.Alpha = c.a;
25.         }
26.         fixed4 LightingNoLighting (SurfaceOutput s, half3 lightDir, half3 viewDir, half atten){
27.        
28.             half NdotL = dot(s.Normal, lightDir);
29.            
30.             half NdotV = dot(s.Normal, viewDir);
31.            
32.             half HalfNdotL = (NdotL*0.5f)+0.5f;
33.       
34.       half4 c;
35.        
36.       fixed4 ramp = tex2D (_BRDFTex,float2(NdotV,HalfNdotL));
37.       
38.       c.rgb = s.Albedo * _LightColor0.rgb * ramp.rgb *( atten *2);
39.       
40.       c.a = s.Alpha;
41.       
42.       return c;   
43.         }
44.         ENDCG
45.     }
46.     FallBack "Diffuse"
47. }
    

    

    sample picture.

    
    

    

    texture

    
    

    X is NdotV, Y is Halfdiffuse(Half Lambert)

    
    

    
    

    
    

Flyball, 2D, Android

This is my first publishing game.

It is made by IFU Games.

I made all of playing scene and ball's physical.

Madness - PC, 3D

First 3D game by Gamebryo.  DEC, 2011

My team made this game for four month.
I learned Rendering pipelines. It is my last project in University.