27 lines
529 B
Plaintext
27 lines
529 B
Plaintext
Shader "Hidden/LightAttenuation"
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{
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SubShader
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{
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Pass
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{
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CGPROGRAM
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#pragma vertex vert_img
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#pragma fragment frag
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#include "UnityCG.cginc"
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#include "Lighting.cginc"
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float4 _EditorWorldLightPos;
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float4 frag(v2f_img i) : SV_Target
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{
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float2 xy = 2 * i.uv - 1;
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float z = -sqrt(1-saturate(dot(xy,xy)));
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float3 worldNormal = normalize(float3(xy, z));
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float3 lightDir = normalize( _EditorWorldLightPos.xyz );
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return saturate(dot(worldNormal ,lightDir) * 10 + 0.1);
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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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