끊어지는 음영

Shader "Custom/VertexShader"
{
    Properties{
        _MainTex ("Main Texture", 2D) = "white"{}
        _NormalLength ("Normal Length", Range(-0.1, 0.1)) = 0
    }
    SubShader
    {
        // cull front
        // CGPROGRAM
        // #pragma surface surf Nolight vertex:vert noshadow noambient

        // float _NormalLength;

        // void vert(inout appdata_full v){
        //     v.vertex.xyz = v.vertex.xyz + v.normal.xyz * _NormalLength;
        // }
        // struct Input{
        //     float4 color:COLOR;
        // };
        // void surf(Input i, inout SurfaceOutput o){
            
        // }
        // float4 LightingNolight (SurfaceOutput s, float3 lightDir, float attenuation){
        //     s.Emission = float3(1,0,0);
        //     return float4(s.Emission, 1);
        // }
        // ENDCG

        cull back
        CGPROGRAM
        #pragma surface surf Toon noambient
        sampler2D _MainTex;

        struct Input{
            float2 uv_MainTex;
        };

        void surf(Input i, inout SurfaceOutput o){
            fixed4 c = tex2D(_MainTex, i.uv_MainTex);
            o.Albedo = c.rgb;
            o.Alpha = c.a;
        }

        float4 LightingToon(SurfaceOutput s, float3 lightDir, float attenuation){
            float ndotl = dot(s.Normal, lightDir) * 0.5 + 0.5;
            // if(ndotl > 0.5) ndotl = 1;
            // else ndotl = 0.3;
            

            //https://darkcatgame.tistory.com/14
            ndotl *= 5;
            ndotl = ceil(ndotl)/5;

            float4 final;
            
                                    //https://chulin28ho.tistory.com/401
            // final.rgb = ndotl;//s.Albedo * ;//_LightColor0.rgb * attenuation;
            //final.rgb = s.Albedo * ndotl * attenuation;// * _LightColor0.rgb;
            
            final.rgb = s.Albedo * ndotl * _LightColor0.rgb;
            final.a = s.Alpha;
            final *= attenuation;

            return final;
        }
        ENDCG
    }
}

 

 

참고: 

darkcatgame.tistory.com/14

chulin28ho.tistory.com/401#footnote_link_401_1

rapapa.net/?p=3531