38 lines
1.2 KiB
HLSL
Executable file
38 lines
1.2 KiB
HLSL
Executable file
#ifndef POI_BULGE
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#define POI_BULGE
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#ifndef POI_CAMERA_DEPTH
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#define POI_CAMERA_DEPTH
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sampler2D _CameraDepthTexture;
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#endif
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sampler2D _BulgeMask;
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float _BuldgeFadeLength;
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float _BuldgeHeight;
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void bulgyWolgy(inout v2f o)
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{
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float depth = DecodeFloatRG(tex2Dlod(_CameraDepthTexture, float4(o.grabPos.xy / o.grabPos.w, 0, 0)));
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float bulgeMask = tex2Dlod(_BulgeMask, float4(o.uv0.xy, 0, 0));
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depth = Linear01Depth(depth);
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float intersect = 0;
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if (depth != 1)
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{
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float diff = distance(depth, Linear01Depth(o.pos.z / o.pos.w));
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if(diff > 0)
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{
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intersect = 1 - smoothstep(0, _ProjectionParams.w * _BuldgeFadeLength, diff);
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}
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}
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float4 offset = intersect * _BuldgeHeight * float4(o.normal, 0);
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offset = IsInMirror() ? 0: offset;
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offset *= bulgeMask;
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o.worldPos = mul(unity_ObjectToWorld, o.localPos) + offset;
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o.localPos = mul(unity_WorldToObject, o.worldPos);
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o.pos = UnityObjectToClipPos(o.localPos);
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}
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#endif |