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MapgenValleys: Fixed submarine valleys shape

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Gael-de-Sailly 2018-02-28 18:51:53 +01:00 committed by paramat
parent ebbd158774
commit b952d42000
1 changed files with 2 additions and 1 deletions
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src/mapgen/mapgen_valleys.cpp
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@ -40,6 +40,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "mg_decoration.h" #include "mg_decoration.h"
#include "mapgen_valleys.h" #include "mapgen_valleys.h"
#include "cavegen.h" #include "cavegen.h"
#include <cmath>
//#undef NDEBUG //#undef NDEBUG
@ -373,7 +374,7 @@ float MapgenValleys::terrainLevelFromNoise(TerrainNoise *tn)
// (here x = "river" and a = valley_profile). // (here x = "river" and a = valley_profile).
// "valley" represents the height of the terrain, from the rivers. // "valley" represents the height of the terrain, from the rivers.
{ {
float t = river / tn->valley_profile; float t = std::fmax(river / tn->valley_profile, 0.0f);
*tn->valley = valley_d * (1.f - exp(- MYSQUARE(t))); *tn->valley = valley_d * (1.f - exp(- MYSQUARE(t)));
} }