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/* Starshatter: The Open Source Project
Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
Copyright (c) 1997-2006, Destroyer Studios LLC.
AUTHOR: John DiCamillo
OVERVIEW
========
Navigation Point class implementation
*/
#include "RLoc.h"
#include "Random.h"
// +----------------------------------------------------------------------+
RLoc::RLoc()
: rloc(0), dex(0), dex_var(5.0e3f), az(0), az_var(3.1415f), el(0), el_var(0.1f)
{ }
RLoc::RLoc(const Point& l, double d, double dv)
: loc(l), base_loc(l), rloc(0), dex((float) d), dex_var((float) dv),
az(0), az_var(3.1415f), el(0), el_var(0.1f)
{ }
RLoc::RLoc(RLoc* l, double d, double dv)
: rloc(l), dex((float) d), dex_var((float) dv),
az(0), az_var(3.1415f), el(0), el_var(0.1f)
{ }
RLoc::RLoc(const RLoc& r)
: loc(r.loc), base_loc(r.base_loc), rloc(r.rloc),
dex(r.dex), dex_var(r.dex_var),
az(r.az), az_var(r.az_var),
el(r.el), el_var(r.el_var)
{ }
RLoc::~RLoc()
{ }
// +----------------------------------------------------------------------+
const Point&
RLoc::Location()
{
if (rloc || dex > 0) Resolve();
return loc;
}
// +----------------------------------------------------------------------+
void
RLoc::Resolve()
{
if (rloc) {
base_loc = rloc->Location();
rloc = 0;
}
if (dex > 0) {
double d = dex + Random(-dex_var, dex_var);
double a = az + Random(-az_var, az_var);
double e = el + Random(-el_var, el_var);
Point p = Point(d * sin(a),
d * -cos(a),
d * sin(e));
loc = base_loc + p;
dex = 0;
}
else {
loc = base_loc;
}
}
// +----------------------------------------------------------------------+
void
RLoc::SetBaseLocation(const Point& l)
{
base_loc = l;
loc = l;
}
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