highligh.shader

Shader "BlenderesHighlight" {
    Properties {
        _Color ("Main Color", Color) = (1,1,1,1)
        _OutlineColor ("Outline Color", Color) = (0,0,0,1)
        _Outline ("Outline width", Range (0.002, 0.03)) = 0.01
        _MainTex ("Base (RGB)", 2D) = "white" { }
    }
    SubShader {
        Tags { "RenderType"="Opaque" }
        UsePass "Toon/Basic/BASE"
        Pass {
            Name "OUTLINE"
            Tags { "LightMode" = "Always" }
            CGPROGRAM

            #pragma vertex vert

            struct appdata {
                float4 vertex;
                float3 normal;
            };

            struct v2f {
                float4 pos : POSITION;
                float4 color : COLOR;
                float fog : FOGC;
            };

            uniform float _Outline;
            uniform float4 _OutlineColor;

            v2f vert(appdata v) {
                v2f o;
                o.pos = mul(UNITY_MATRIX_MVP, v.vertex);
                float3 norm = mul ((float3x3)UNITY_MATRIX_MV, v.normal);
                norm.x *= UNITY_MATRIX_P[0][0];
                norm.y *= UNITY_MATRIX_P[1][1];
                o.pos.xy += norm.xy * _Outline;
                o.fog = o.pos.z;
                o.color = _OutlineColor;
                return o;
            }

            ENDCG

            //Color (0,0,0,0)
            Cull Front
            ZWrite On
            ColorMask RGB
            Blend SrcAlpha OneMinusSrcAlpha
            SetTexture [_MainTex] { combine primary }
        }
    }
    Fallback "Diffuse"
}