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Code Issues 151 Wiki Activity

Editor terrain: level brush with height picker, faster orthophoto fit

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Hirek
2026-10-10 01:27:48 +02:00
parent 8cd0bab27b
commit 243ce636a7
8 changed files with 233 additions and 34 deletions
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21
editor/editorTerrainStreamer.cpp
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@@ -1041,6 +1041,27 @@ bool terrain_streamer::smooth(double X, double Z, double Radius, double Amount)
});
}
bool terrain_streamer::level(double X, double Z, double Radius, double Target, double Amount, int const Mode)
{
if (Radius <= 0.0 || Amount <= 0.0)
return false;
return reshape(glm::dvec2{X - Radius, Z - Radius}, glm::dvec2{X + Radius, Z + Radius}, [&](double const Vx, double const Vz, float &Height) {
auto const distance{std::sqrt((Vx - X) * (Vx - X) + (Vz - Z) * (Vz - Z))};
if (distance > Radius)
return false;
auto const own{static_cast<double>(Height)};
if ((Mode == 1 && own >= Target) || (Mode == 2 && own <= Target))
return false;
// the middle of the brush gets there, the rim follows less; what's within the step of the stored heights is there already
auto const levelled{own + (Target - own) * std::min(1.0, Amount * falloff(distance, Radius))};
auto const result{std::abs(Target - levelled) < heightmap::height_step ? Target : levelled};
if (std::abs(result - own) < 1e-5)
return false;
Height = static_cast<float>(result);
return true;
});
}
bool terrain_streamer::paint(double X, double Z, double Radius, double Strength, std::uint16_t Layer)
{
if (Radius <= 0.0 || Strength <= 0.0)