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/*
Copyright (C) 2000 Matthew Danish
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"angle.h"
#include"vector.h"
#include<math.h>
#include"defines.h"
AngleClass::AngleClass() :
angle(0)
{}
AngleClass::AngleClass(double _angle) {
Angle(_angle);
}
AngleClass::AngleClass(VectorClass &v) {
Angle((180/MY_PI) * double(atan2(v.X(),v.Z())));
}
AngleClass::~AngleClass() {}
double AngleClass::Angle() {
return angle;
}
double AngleClass::Angle(double _angle) {
angle=_angle;
while(angle>=360) angle-=360;
while(angle<0) angle+=360;
return angle;
}
VectorClass AngleClass::Vector() {
VectorClass v(sin(MY_PI/180*angle),0,cos(MY_PI/180*angle));
return v;
}
bool AngleClass::operator ==(AngleClass &a) {
if(angle == a.angle) return true;
else return false;
}
bool AngleClass::operator !=(AngleClass &a) {
return !(*this == a);
}
bool AngleClass::operator ==(double a) {
if(angle == a) return true;
else return false;
}
bool AngleClass::operator !=(double a) {
return !(*this == a);
}
AngleClass operator +(AngleClass &a,AngleClass &b) {
AngleClass c(a.angle + b.angle);
return c;
}
AngleClass operator +(AngleClass &a,double b) {
AngleClass c(a.angle + b);
return c;
}
AngleClass operator -(AngleClass &a,AngleClass &b) {
AngleClass c(a.angle - b.angle);
return c;
}
AngleClass operator -(AngleClass &a,double b) {
return (a + (-b));
}
AngleClass & AngleClass::operator +=(AngleClass &a) {
Angle(Angle()+a.angle);
return *this;
}
AngleClass & AngleClass::operator +=(double a) {
Angle(Angle()+a);
return *this;
}
AngleClass & AngleClass::operator -=(AngleClass &a) {
Angle(Angle()-a.angle);
return *this;
}
AngleClass & AngleClass::operator -=(double a) {
Angle(Angle()-a);
return *this;
}
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