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Fix issue of pojection calculation

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This commit is contained in:
Noisyfox
2026-05-05 11:05:48 +08:00
parent 24458ba5a2
commit e451df27f7
1 changed files with 3 additions and 3 deletions
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6
src/libslic3r/TriangleSelector.cpp
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@@ -2299,10 +2299,10 @@ public:
Vec3f pt_a = pts_proj[idx_a]; Vec3f pt_a = pts_proj[idx_a];
Vec3f pt_b = pts_proj[idx_b]; Vec3f pt_b = pts_proj[idx_b];
if (std::abs(dist_a) > tolerance_) { if (std::abs(dist_a) > tolerance_) {
pt_a = (tolerance_ - dist_b) / (dist_a - dist_b) * (pts_proj[idx_a] - pts_proj[idx_b]); pt_a = (tolerance_ - dist_b) / (dist_a - dist_b) * (pts_proj[idx_a] - pts_proj[idx_b]) + pts_proj[idx_b];
} }
if (std::abs(dist_b) > tolerance_) { if (std::abs(dist_b) > tolerance_) {
pt_b = (tolerance_ - dist_a) / (dist_b - dist_a) * (pts_proj[idx_b] - pts_proj[idx_a]); pt_b = (tolerance_ - dist_a) / (dist_b - dist_a) * (pts_proj[idx_b] - pts_proj[idx_a]) + pts_proj[idx_a];
} }
// If any projected end is inside the triangle, then is in // If any projected end is inside the triangle, then is in
@@ -2315,7 +2315,7 @@ public:
{ {
const Vec3f uvw_a = barycentric(pt_a, vertices_[0], vertices_[1], vertices_[2]); const Vec3f uvw_a = barycentric(pt_a, vertices_[0], vertices_[1], vertices_[2]);
const Vec3f uvw_b = barycentric(pt_b, vertices_[0], vertices_[1], vertices_[2]); const Vec3f uvw_b = barycentric(pt_b, vertices_[0], vertices_[1], vertices_[2]);
auto proj = [&](const Vec3f& p) -> std::pair<float, float> { return {p(0), p(1)}; }; auto proj = [](const Vec3f& p) -> std::pair<float, float> { return {p(0), p(1)}; };
const Vec3f uvw_0 = {1.f,0.f,0.f}; const Vec3f uvw_0 = {1.f,0.f,0.f};
const Vec3f uvw_1 = {0.f,1.f,0.f}; const Vec3f uvw_1 = {0.f,1.f,0.f};
const Vec3f uvw_2 = {0.f,0.f,1.f}; const Vec3f uvw_2 = {0.f,0.f,1.f};