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75 lines
1.5 KiB
75 lines
1.5 KiB
// Upgrade NOTE: replaced '_Object2World' with 'unity_ObjectToWorld'
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// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
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// Upgrade NOTE: replaced '_Object2World' with 'unity_ObjectToWorld'
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Shader "Hidden/ProGrids/pg_GridShader"
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{
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Properties
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{
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_AlphaCutoff ("Fade Cutoff", float) = .1
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_AlphaFade ("Fade Start", float) = .6
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_Color ("Color", Color) = ( .5, .5, .5, .8 )
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}
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SubShader
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{
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Tags { "Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent" }
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Lighting Off
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ZTest LEqual
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Blend SrcAlpha OneMinusSrcAlpha
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ZWrite Off
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Pass
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{
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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#include "UnityCG.cginc"
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float _AlphaCutoff;
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float _AlphaFade;
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float4 _Color;
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struct appdata
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{
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float4 vertex : POSITION;
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float3 normal : NORMAL;
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float4 color : COLOR;
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};
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struct v2f
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{
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float4 pos : SV_POSITION;
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float4 world : TEXCOORD0;
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float4 color : COLOR;
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float3 normal : TEXCOORD1;
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};
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v2f vert (appdata v)
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{
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v2f o;
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o.pos = UnityObjectToClipPos(v.vertex);
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o.world = mul(unity_ObjectToWorld, v.vertex);
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o.normal = mul(unity_ObjectToWorld, float4(v.normal, 0)).xyz;
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o.color = v.color;
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return o;
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}
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half4 frag (v2f i) : COLOR
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{
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float3 viewDir = normalize(_WorldSpaceCameraPos.xyz - i.world.xyz);
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float d = abs(dot(i.normal, viewDir));
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float alpha = smoothstep(_AlphaCutoff, _AlphaFade, d);
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float4 col = i.color;
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col.a *= alpha;
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return col;
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}
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ENDCG
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}
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}
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}
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