BgUpdate

smchoi

2024-07-22 3fc9f79ca436203b0b5ba39b6a079ee086227c11

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// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
 
Shader "Custom/MirrorOld"
{
    Properties
    {
        _DetailTex ("Base (RGB)", 2D) = "white" {}
        [HideInInspector] _MainTex ("", 2D) = "white" {}
    }
    SubShader
    {
        Tags { "RenderType"="Opaque" }
        LOD 100
 
        Pass {
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #include "UnityCG.cginc"
            struct v2f
            {
                float2 uv : TEXCOORD0;
                float4 refl : TEXCOORD1;
                float4 pos : SV_POSITION;
            };
            float4 _DetailTex_ST;
            v2f vert(float4 pos : POSITION, float2 uv : TEXCOORD0)
            {
                v2f o;
                o.pos = UnityObjectToClipPos (pos);
                o.uv = TRANSFORM_TEX(uv, _DetailTex);
                o.refl = ComputeScreenPos (o.pos);
                return o;
            }
            sampler2D _MainTex;
            sampler2D _DetailTex;
            fixed4 frag(v2f i) : SV_Target
            {
                fixed4 tex = tex2D(_DetailTex, i.uv);
                i.refl.w = max(0.001, i.refl.w);
                fixed4 refl = tex2Dproj(_MainTex, UNITY_PROJ_COORD(i.refl));
                return tex * refl;
            }
            ENDCG
        }
    }
}