FGFS-4.1/simgear
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Revert 1269a8d27c, the friction factor on ice relies on too many parameters to calculate here.

Browse Source
This commit is contained in:
Erik Hofman 2021-12-22 08:24:51 +01:00
parent 1269a8d27c
commit 9a9b1a8db4
1 changed files with 6 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
simgear/bvh/BVHMaterial.hxx
View File

@ -1,4 +1,4 @@
// Copyright (C) 2008 - 2012 Mathias Froehlich - Mathias.Froehlich@web.de
// Copyright (C) 2008 - 2021 Mathias Froehlich - Mathias.Froehlich@web.de
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
@ -39,18 +39,14 @@ public:
}
/**
* Return the solid factor for when the lakes are frozen over or not.
* Return whether the solid factor is a propery.
*/
double get_frozen_fact () const {
return _solid_is_prop ? (_solid_property->getBoolValue() ? 0.1 : 1.) : 1.;
}
bool solid_is_prop () const { return _solid_is_prop; }
/**
* Get the friction factor for that material
*/
double get_friction_factor () const {
return _friction_factor * get_frozen_fact();
}
double get_friction_factor () const { return _friction_factor; }
/**
* Get the rolling friction for that material
@ -60,16 +56,12 @@ public:
/**
* Get the bumpines for that material
*/
double get_bumpiness () const {
return _bumpiness * get_frozen_fact();
}
double get_bumpiness () const { return _bumpiness; }
/**
* Get the load resistance
*/
double get_load_resistance () const {
return _load_resistance / get_frozen_fact();
}
double get_load_resistance () const { return _load_resistance; }
protected:
// True if the material is solid, false if it is a fluid