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59 lines
1.3 KiB
59 lines
1.3 KiB
Shader "Hidden/TrueShadow/Cutout"
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{
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Properties
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{
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_MainTex ("Texture", 2D) = "white" {}
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_Offset ("Offset", Vector) = (0,0,0,0)
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}
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SubShader
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{
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Cull Off ZWrite Off ZTest Always
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Blend Zero OneMinusSrcAlpha, Zero OneMinusSrcAlpha
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BlendOp Add, Add
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// ColorMask a
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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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struct appdata
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{
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float4 vertex : POSITION;
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float2 uv : TEXCOORD0;
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};
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struct v2f
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{
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float2 uv : TEXCOORD0;
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float4 vertex : SV_POSITION;
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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.vertex = UnityObjectToClipPos(v.vertex);
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o.uv = v.uv;
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return o;
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}
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uniform sampler2D _MainTex;
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uniform float2 _Offset;
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uniform float _OverflowAlpha;
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fixed4 frag(v2f i) : SV_Target
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{
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float2 uv = i.uv + _Offset;
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if (any(uv > 1) || any(uv < 0))
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return _OverflowAlpha;
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return fixed4(0, 0, 0, tex2D(_MainTex, uv).a);
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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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