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Physics.hpp
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Physics.hpp
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/*
* Physics.hpp
*
* Copyright 2015 Joaquín Monteagudo Gómez <kindos7@gmail.com>
*
* 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., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
*
*/
/*
* FDX_Fighter - Physics.hpp
* Little spaceship game made with C++ and SFML
* Physic resources - header file
*/
/*
Version 0.1 (dd/mm/yy, 20/3/2015 -> )
*/
/*
Preprocessor
*/
//Header guard
#ifndef _FDX_PHYSICS_H_
#define _FDX_PHYSICS_H_
/* Includes */
//FDX 2D vectors
#include "FDX_vct.hpp"
/* Defines */
/*Constants*/
/*Macros*/
//Namespace
namespace fdx { namespace fighter
{
/*
Class definitions
*/
//Circle
class Crl;
//Point
class Pnt;
/*
Function prototypes
*/
//Contact between a circle and a point
bool collide (const Crl &c, const Pnt &p);
//Time that will take the point with a given speed to hit a circle
arrow::Vct::Mod tth (const Pnt &p, const arrow::Vct &pv, const Crl &c);
/*
Data types
*/
/* Typedefs */
/* Classes */
//Circle
class Crl
{
/*Constants*/
private:
//Default circle
static constexpr arrow::Vct::Mod DEF_S=0.0;//Default size
static constexpr arrow::Vct::Coord DEF_X=0.0,DEF_Y=0.0;//Default X and Y coordinates
/*Attributes*/
private:
arrow::Vct r;//Center of the circle
arrow::Vct::Mod s;//Radius of the circle
/*Constructors, copy control*/
public:
//Default constructor
Crl()
:r(DEF_X,DEF_Y),s(DEF_S)
{}
//Coordinate constructor
Crl(arrow::Vct::Coord ix,arrow::Vct::Coord iy,arrow::Vct::Mod is)
:r(ix,iy),s(is)
{}
//Center and size constructor
Crl(arrow::Vct ir,arrow::Vct::Mod is)
:r(ir),s(is)
{}
//Copy constructor
Crl(const Crl &ic)
:r(ic.r),s(ic.s)
{}
//Assignment operator
Crl& operator= (const Crl &ic)
{
r=ic.r;
s=ic.s;
return *this;
}
//Destructor
~Crl(){}
/*Position and size methods*/
public:
//Get the center
arrow::Vct get_center() const
{
return r;
}
//Set the center
void set_center(const arrow::Vct &ir)
{
r=ir;
}
//Move the center
void mov_center(const arrow::Vct &im)
{
r+=im;
}
//Get the radius
arrow::Vct::Mod get_size() const
{
return s;
}
//Set the radius
void set_size(arrow::Vct::Mod is)
{
s=is;
}
/*Contact methods*/
public:
//Contact with a point
bool contact (const Pnt &ip) const
{
return collide(*this,ip);
}
//Time to hit a point at when the circle moves at the given speed
arrow::Vct::Mod tth (const Pnt &ip, const arrow::Vct &iv) const
{
return fighter::tth(ip,iv,*this);
}
};
//Point
class Pnt
{
/*Constants*/
private:
static constexpr arrow::Vct::Coord DEF_X=0.0,DEF_Y=0.0;//Default X and Y coordinates
/*Attributes*/
private:
arrow::Vct r;//Position
/*Constructors, copy control*/
public:
//Default constructor
Pnt()
:r(DEF_X,DEF_Y)
{}
//Coordinate constructor
Pnt(arrow::Vct::Coord ix,arrow::Vct::Coord iy)
:r(ix,iy)
{}
//Vct constructor
Pnt(arrow::Vct ir)
:r(ir)
{}
//Copy constructor
Pnt(const Pnt &ip)
:r(ip.r)
{}
//Assignment operator
Pnt& operator= (const Pnt &ip)
{
r=ip.r;
return *this;
}
//Destructor
~Pnt(){}
/*Position and size methods*/
public:
//Get the center
arrow::Vct get_center() const
{
return r;
}
//Set the center
void set_center(const arrow::Vct &ir)
{
r=ir;
}
//Move the center
void mov_center(const arrow::Vct &im)
{
r+=im;
}
/*Contact methods*/
public:
//Contact with a circle
bool contact (const Crl &ic) const
{
return collide(ic,*this);
}
//Time to hit a circle when the point moves at the given speed
arrow::Vct::Mod tth (const Crl &ic, const arrow::Vct &iv) const
{
return fighter::tth(*this,iv,ic);
}
};
}}//End of namespace
#endif // _FDX_PHYSICS_H_