diff options
| -rw-r--r-- | game/geoData.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/game/geoData.cpp b/game/geoData.cpp index af7d006..d179c47 100644 --- a/game/geoData.cpp +++ b/game/geoData.cpp @@ -383,6 +383,14 @@ GeoData::setHeights(const std::span<const GlobalPosition3D> triangleStrip) { static const RelativeDistance MAX_SLOPE = 1.5F; static const RelativeDistance MIN_ARC = 0.01F; + static const RelativeDistance MAX_EDGE_LENGTH = 20'000.F; + + auto diff = [this](const auto heh) { + return RelativePosition3D(point(to_vertex_handle(heh)) - point(from_vertex_handle(heh))); + }; + auto hehlength = [diff](const auto heh) { + return glm::length(diff(heh)); + }; if (triangleStrip.size() < 3) { return; @@ -399,6 +407,23 @@ GeoData::setHeights(const std::span<const GlobalPosition3D> triangleStrip) const auto [a, b, c] = newVert; add_face(a, b, c); }); + // Split faces with two large boundary sides + boundaryWalk( + [this, hehlength](const auto boundaryHeh) { + const auto nextHeh = next_halfedge_handle(boundaryHeh); + const auto faceHandle = opposite_face_handle(boundaryHeh); + if (faceHandle != opposite_face_handle(nextHeh)) { + return; + } + if (hehlength(boundaryHeh) < MAX_EDGE_LENGTH || hehlength(nextHeh) < MAX_EDGE_LENGTH) { + return; + } + + const auto t = triangle<3>(faceHandle); + const auto centre = t * RelativePosition2D {.3F, .3F}; + split(faceHandle, centre); + }, + *voh_begin(newVerts.front())); // Extrude corners struct Extrusion { |