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Fix cap UV

master
Jeremy HU 2022-11-04 08:35:23 +11:00
parent 1fc2399bf6
commit af67dc0cd6
3 changed files with 11 additions and 9 deletions
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6
dust3d/mesh/section_remesher.cc
View File

@ -81,7 +81,7 @@ void SectionRemesher::remesh()
maxUs[i] = offsetU;
offsetU += (m_vertices[i] - m_vertices[j]).length();
}
maxUs[m_ringSize] = offsetU;
maxUs[m_ringSize] += offsetU;
offsetU = std::max(offsetU, std::numeric_limits<double>::epsilon());
for (auto& it : maxUs)
it /= offsetU;
@ -90,8 +90,8 @@ void SectionRemesher::remesh()
m_generatedFaces.emplace_back(std::vector<size_t> { i, j, m_ringSize });
m_generatedFaceUvs.emplace_back(std::vector<Vector2> {
Vector2(maxUs[i], m_ringV),
Vector2(maxUs[j], m_ringV),
Vector2((maxUs[i] + maxUs[j]) * 0.5, m_centerV) });
Vector2(maxUs[i + 1], m_ringV),
Vector2((maxUs[i] + maxUs[i + 1]) * 0.5, m_centerV) });
}
return;
}

12
dust3d/mesh/tube_mesh_builder.cc
View File

@ -299,14 +299,12 @@ void TubeMeshBuilder::build()
}
}
if (!m_isCircle) {
addCap(cutFaceIndices.back(), vOffsetBecauseOfFrontCap + vTubeRatio, 1.0);
auto front = cutFaceIndices.front();
std::reverse(front.begin(), front.end());
addCap(front, vOffsetBecauseOfFrontCap, 0.0);
addCap(cutFaceIndices.back(), vOffsetBecauseOfFrontCap + vTubeRatio, 1.0, false);
addCap(cutFaceIndices.front(), vOffsetBecauseOfFrontCap, 0.0, true);
}
}
void TubeMeshBuilder::addCap(const std::vector<size_t>& section, double ringV, double centerV)
void TubeMeshBuilder::addCap(const std::vector<size_t>& section, double ringV, double centerV, bool reverseU)
{
std::vector<size_t> vertexIndices = section;
std::vector<Vector3> ringVertices(vertexIndices.size());
@ -325,9 +323,13 @@ void TubeMeshBuilder::addCap(const std::vector<size_t>& section, double ringV, d
for (size_t i = 0; i < it.size(); ++i)
newFace[i] = vertexIndices[it[i]];
m_generatedFaces.emplace_back(newFace);
if (reverseU)
std::reverse(m_generatedFaces.back().begin(), m_generatedFaces.back().end());
}
for (const auto& it : sectionRemesher.generatedFaceUvs()) {
m_generatedFaceUvs.emplace_back(it);
if (reverseU)
std::reverse(m_generatedFaceUvs.back().begin(), m_generatedFaceUvs.back().end());
}
}

2
dust3d/mesh/tube_mesh_builder.h
View File

@ -69,7 +69,7 @@ private:
const Vector3& forwardDirection);
void applyRoundEnd();
void applyInterpolation();
void addCap(const std::vector<size_t>& section, double ringV, double centerV);
void addCap(const std::vector<size_t>& section, double ringV, double centerV, bool reverseU);
};
};