Shader "Test Shaders/Specular Shader"{
    Properties{
        _Color("Main Color", Color) = (1.0, 1.0, 1.0)
    }
    SubShader{
        Pass{
            CGPROGRAM

            #pragma vertex vertProg
            #pragma fragment fragProg

            float4 _Color;
            float4 _LightColor0;

            struct vertOut{
                float4 col : COLOR;
                float4 pos : SV_POSITION;
            };


            vertOut vertProg(float4 v : POSITION, float3 nrm : NORMAL) {
                vertOut o;

                float3 normalDir = normalize(mul(float4(nrm, 0.0), _World2Object));
                float3 diffuseLight = _LightColor0.xyz * max(0.0, dot(-normalDir, _WorldSpaceLightPos0.xyz));

                o.col = float4(diffuseLight, 1.0);
                o.pos = mul(UNITY_MATRIX_MVP, v);
                return o;
            }

            float4 fragProg(vertOut v) : COLOR {
                return v.col;
            }

            ENDCG
        }
    }
}