fly/flightgear
1
0
Fork 0
Code Activity

Differentiate between snow and wetness. Snow shows with every amount of precipitation but rain puddles only start showing up above 50mm of rain per day.

Browse source
This commit is contained in:
Erik Hofman 2021-02-10 11:32:12 +01:00
parent 2dbf915393
commit 7847418005
1 changed files with 10 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
src/Environment/climate.cxx
View file

@ -867,25 +867,27 @@ void FGClimate::set_environment()
}
else
{
double wetness = 12.0*_gl.precipitation/990.0;
wetness = pow(sin(atan(SGD_PI*wetness)), 2.0);
_dust_cover = 0.0;
if (_gl.temperature_mean < 5.0) {
if (_gl.temperature_mean < 5.0)
{
double wetness = 12.0*_gl.precipitation/990.0;
wetness = pow(sin(atan(SGD_PI*wetness)), 2.0);
_snow_thickness = wetness;
} else {
_snow_thickness = 0.0;
}
if (_gl.temperature_mean < 0.0) {
_wetness = 0.0;
if (_gl.temperature_mean > 0.0)
{
// https://weatherins.com/rain-guidelines/
_wetness = 12.0*std::max(_gl.precipitation-50.0, 0.0)/990.0;
} else {
_wetness = wetness;
_wetness = 0.0;
}
double cover = std::min(_gl.precipitation_annual, 990.0)/990.0;
_set(_lichen_cover, 0.5*pow(wetness*cover, 1.5));
_set(_lichen_cover, 0.5*pow(_wetness*cover, 1.5));
}
_rootNode->setDoubleValue("daytime-pct", _daytime*100.0);