134 lines
3.4 KiB
C
134 lines
3.4 KiB
C
/*
|
|
* PVVMUD a 3D MUD
|
|
* Copyright (C) 1998-1999 Programvareverkstedet (pvv@pvv.org)
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
*/
|
|
#include <math.h>
|
|
#include "pvvmud.H"
|
|
#include "direction.H"
|
|
|
|
#define NORMALIZE(index) \
|
|
direction[index] -= floor(direction[index]/360.0) * 360.0;
|
|
|
|
|
|
CDirection::CDirection(){
|
|
direction[0] = 0;
|
|
direction[1] = 0;
|
|
direction[2] = 0;
|
|
}
|
|
|
|
CDirection::CDirection(double * direction){
|
|
this->direction[0] = direction[0];
|
|
this->direction[1] = direction[1];
|
|
this->direction[2] = direction[2];
|
|
normalize();
|
|
}
|
|
|
|
|
|
CDirection::CDirection(double h, double r, double p){
|
|
direction[0] = h;
|
|
direction[1] = r;
|
|
direction[2] = p;
|
|
normalize();
|
|
}
|
|
|
|
CDirection& CDirection::operator= (const CDirection& direction) {
|
|
this->direction[0] = direction.direction[0];
|
|
this->direction[1] = direction.direction[1];
|
|
this->direction[2] = direction.direction[2];
|
|
return *this;
|
|
}
|
|
|
|
CDirection& CDirection::operator+= (const CDirection& direction) {
|
|
this->direction[0] += direction.direction[0];
|
|
this->direction[1] += direction.direction[1];
|
|
this->direction[2] += direction.direction[2];
|
|
normalize();
|
|
return *this;
|
|
}
|
|
|
|
CDirection CDirection::operator+ (const CDirection& direction) {
|
|
CDirection result;
|
|
result.direction[0] = this->direction[0] + direction.direction[0];
|
|
result.direction[1] = this->direction[1] + direction.direction[1];
|
|
result.direction[2] = this->direction[2] + direction.direction[2];
|
|
result.normalize();
|
|
return result;
|
|
}
|
|
|
|
CDirection CDirection::operator- () const {
|
|
CDirection result;
|
|
result.direction[0] = -direction[0];
|
|
result.direction[1] = -direction[1];
|
|
result.direction[2] = -direction[2];
|
|
result.normalize();
|
|
return result;
|
|
}
|
|
|
|
CDirection CDirection::operator* (double scale) const {
|
|
CDirection result;
|
|
result.direction[0] = direction[0]*scale;
|
|
result.direction[1] = direction[1]*scale;
|
|
result.direction[2] = direction[2]*scale;
|
|
result.normalize();
|
|
return result;
|
|
}
|
|
|
|
void CDirection::normalize(){
|
|
NORMALIZE(0);
|
|
NORMALIZE(1);
|
|
NORMALIZE(2);
|
|
}
|
|
|
|
double * CDirection::getVector(){
|
|
return direction;
|
|
}
|
|
|
|
double CDirection::getValue(int ii) const {
|
|
return direction[ii];
|
|
}
|
|
|
|
void CDirection::setValue(int ii,double value) {
|
|
direction[ii] += value;
|
|
NORMALIZE(ii);
|
|
}
|
|
|
|
double CDirection::rotateHeading(double deltaHeading){
|
|
direction[0] += deltaHeading;
|
|
NORMALIZE(0);
|
|
return direction[0];
|
|
}
|
|
|
|
double CDirection::rotateRoll(double deltaRoll){
|
|
direction[1] += deltaRoll;
|
|
NORMALIZE(1);
|
|
return direction[1];
|
|
}
|
|
|
|
double CDirection::rotatePitch(double deltaPitch){
|
|
direction[2] += deltaPitch;
|
|
NORMALIZE(2);
|
|
return direction[2];
|
|
}
|
|
|
|
ostream& operator<<(ostream&s,const CDirection& d){
|
|
return s << "(" << d.getHeading() << "," << d.getRoll()
|
|
<< "," << d.getPitch() << ")";
|
|
}
|
|
|
|
|