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Adjust triplanar texture sample node #735

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This commit is contained in:
Wojtek Figat
2022-08-31 17:39:01 +02:00
parent 2b400a7f50
commit a1dea6a756
2 changed files with 11 additions and 7 deletions
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16
Source/Engine/Tools/MaterialGenerator/MaterialGenerator.Textures.cpp
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@@ -467,18 +467,22 @@ void MaterialGenerator::ProcessGroupTextures(Box* box, Node* node, Value& value)
}
const auto texture = eatBox(textureBox->GetParent<Node>(), textureBox->FirstConnection());
const auto scale = tryGetValue(scaleBox, node->Values[0]);
const auto blend = tryGetValue(blendBox, node->Values[1]);
const auto scale = tryGetValue(scaleBox, node->Values[0]).AsFloat();
const auto blend = tryGetValue(blendBox, node->Values[1]).AsFloat();
auto result = writeLocal(Value::InitForZero(ValueType::Float4), node);
const String triplanarTexture = String::Format(TEXT(
" {{\n"
" float3 worldPos = input.WorldPosition.xyz * ({1} * 0.001f);\n"
" float3 normal = input.TBN[2];\n"
" float3 normal = abs(input.TBN[2]);\n"
" normal = pow(normal, {2});\n"
" normal = normal / (normal.x + normal.y + normal.z);\n"
" {3} += {0}.Sample(SamplerLinearWrap, worldPos.yz) * pow(abs(dot(normal, float3(1,0,0))), {2});\n"
" {3} += {0}.Sample(SamplerLinearWrap, worldPos.xz) * pow(abs(dot(normal, float3(0,1,0))), {2});\n"
" {3} += {0}.Sample(SamplerLinearWrap, worldPos.xy) * pow(abs(dot(normal, float3(0,0,1))), {2});\n"
" {3} += {0}.Sample(SamplerLinearWrap, worldPos.yz) * normal.x;\n"
" {3} += {0}.Sample(SamplerLinearWrap, worldPos.xz) * normal.y;\n"
" {3} += {0}.Sample(SamplerLinearWrap, worldPos.xy) * normal.z;\n"
" }}\n"
),
texture.Value, // {0}
scale.Value, // {1}