scummvm/engines/bagel/boflib/vector.h

103 lines
2.6 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef BAGEL_BOFLIB_Vector_H
#define BAGEL_BOFLIB_Vector_H
#include "bagel/boflib/stdinc.h"
#include "bagel/boflib/object.h"
namespace Bagel {
#define PI (double)3.141592653
#define RADCNVT ((double)180 / PI) // PI is 180 degrees
#define Deg2Rad(d) ((d) / RADCNVT) // Converts degrees to radians
#define Rad2Deg(r) ((r) * RADCNVT) // Converts radians to degrees
class CVector : public CBofObject, public Vector {
public:
/**
* Default constructor
*/
CVector();
/**
* Copy constructor
*/
CVector(const Vector &stVector);
/**
* Constructor based on passed figures
*/
CVector(double xx, double yy, double zz = 0);
/**
* Calculates the dot-product of the 2 specified vectors
* @param vector Second vector
* @return Dot-product
*/
double dotProduct(const Vector &vector);
/**
* Rotates this vector the specified number of degrees
* @param fAngle Rotation angle
*/
void rotate(double fAngle);
/**
* Gets the angle between this vector and specified vector
* @param vector Second vector
* @return Angle
*/
double angleBetween(const Vector &vector);
/**
* Calculates the positive or negative angle between 2 vectors
* @param vector Second vector
* @return Angle
*/
double realAngle(const Vector &vector);
/**
* Gets the length of this vector
* @return Vector length
*/
double length();
// Generic operations
CVector operator+(Vector);
CVector operator+(double);
CVector operator-(Vector);
CVector operator-(double);
CVector operator*(double);
CVector operator/(double);
void operator+=(Vector);
void operator-=(Vector);
void operator*=(double);
void operator/=(double);
bool operator==(Vector);
};
} // namespace Bagel
#endif