55 lines
2.9 KiB
Plaintext
Generated
55 lines
2.9 KiB
Plaintext
Generated
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)@$float2 duv2 = ddy ( uv )@$float3 dp2perp = cross ( dp2, normal )@$float3 dp1perp
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= cross ( normal, dp1 )@$float3 tangent = dp2perp * duv1.x + dp1perp * duv2.x@$float3
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bitangent = dp2perp * duv1.y + dp1perp * duv2.y@$float invmax = rsqrt ( max (
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dot ( tangent, tangent ), dot ( bitangent, bitangent ) ) )@$tangent *= invmax@$bitangent
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*= invmax@$return float3x3 (\ttangent.x, bitangent.x, normal.x,$\t\t\t\t\ttangent.y,
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