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| author | Dan Goodliffe <dan@randomdan.homeip.net> | 2024-03-30 13:47:54 +0000 |
|---|---|---|
| committer | Dan Goodliffe <dan@randomdan.homeip.net> | 2024-03-30 13:47:54 +0000 |
| commit | ee598b61e65e5af588f2cf577845f95f4fce9546 (patch) | |
| tree | 37d346d15be67b70d274febfd0d5a78c5e2beb0a /game/geoData.cpp | |
| parent | Dedupe addition of extrusions (diff) | |
| download | ilt-ee598b61e65e5af588f2cf577845f95f4fce9546.tar.bz2 ilt-ee598b61e65e5af588f2cf577845f95f4fce9546.tar.xz ilt-ee598b61e65e5af588f2cf577845f95f4fce9546.zip | |
Handle almost straight edges with a simple bisect
Diffstat (limited to 'game/geoData.cpp')
| -rw-r--r-- | game/geoData.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/game/geoData.cpp b/game/geoData.cpp index 544fae2..2339195 100644 --- a/game/geoData.cpp +++ b/game/geoData.cpp @@ -382,6 +382,7 @@ void GeoData::setHeights(const std::span<const GlobalPosition3D> triangleStrip) { static const RelativeDistance MAX_SLOPE = 1.5F; + static const RelativeDistance MIN_ARC = 0.01F; if (triangleStrip.size() < 3) { return; @@ -453,7 +454,10 @@ GeoData::setHeights(const std::span<const GlobalPosition3D> triangleStrip) doExtrusion(extrusionVertex, direction, p1, MAX_SLOPE)); assert(extrusionVertex.is_valid()); }; - if (const Arc arc {e0, e1}; arc.length() < pi) { + if (const Arc arc {e0, e1}; arc.length() < MIN_ARC) { + addExtrusionFor(normalize(e0 + e1) / cosf(arc.length() / 2.F)); + } + else if (arc.length() < pi) { // Previous half edge end to current half end start arc tangents const auto limit = std::ceil(arc.length() * 5.F / pi); const auto inc = arc.length() / limit; |