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/*
render/particle.h
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#ifndef __INCLUDED_RENDER_PARTICLE_H__
#define __INCLUDED_RENDER_PARTICLE_H__
#include "math/axis.h"
#include "math/color.h"
#include "math/vector3f.h"
namespace render {
/* ---- class Particle --------------------------------------------- */
/**
* @brief One particle
* */
class Particle
{
public:
Particle(const math::Vector3f &location, const unsigned long timestamp);
Particle(const math::Vector3f &location, const math::Axis &axis, const unsigned long timestamp);
/* ---- inspectors ----------------------------------------- */
/**
* @brief location of the particle
* Depending on the attached setting of the ejector
* location can be in world coordinates or in model coordinates,
* */
inline const math::Vector3f &location() const {
return particle_location;
}
/**
* @brief axis vector of the particle
* */
inline const math::Axis &axis() const {
return particle_axis;
}
/**
* @brief speed of the particle
* */
const float speed() const
{
return particle_speed;
}
/**
* @brief radius of the particle
* */
const float radius() const
{
return particle_radius;
}
/**
* @brief color of the particle
* */
const math::Color color() const
{
return particle_color;
}
/**
* @brief rotation of the particle, in radians
* */
const float rotation() const
{
return particle_rotation;
}
/**
* @brief particle creation timestamp
* */
inline const unsigned long timestamp() const {
return particle_timestamp;
}
/* ---- mutators ------------------------------------------- */
/**
* @brief reference to the location of the particle
* */
inline math::Vector3f &get_location() {
return particle_location;
}
/**
* @brief reference axis vector of the particle
* */
inline math::Axis &get_axis() {
return particle_axis;
}
/**
* @brief set the location of the particle
* */
inline void set_location(const math::Vector3f &location)
{
particle_location.assign(location);
}
/**
* @brief set the axis of the particle
* */
inline void set_axis(const math::Axis &axis)
{
particle_axis.assign(axis);
}
/**
* @brief set the speed of the particle
* */
inline void set_speed(const float speed)
{
particle_speed = speed;
}
/**
* @brief set the radius of the particle
* */
inline void set_radius(const float radius)
{
particle_radius = radius;
}
/**
* @brief set the color of the particle
* */
inline void set_color(const math::Color color)
{
particle_color.assign(color);
}
/**
* @brief return a reference to the color of the particle
* */
math::Color & get_color()
{
return particle_color;
}
/**
* @brief set the rotation of the particle, in radians
* This value is used to rotate the texture when rendering the particle
* */
inline void set_rotation(const float rotation)
{
particle_rotation = rotation;
}
protected:
math::Vector3f particle_location;
math::Color particle_color;
math::Axis particle_axis;
float particle_radius;
float particle_rotation;
float particle_speed;
unsigned long particle_timestamp;
};
} // namespace
#endif // __INCLUDED_RENDER_PARTICLE_H__
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