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/* ----------------------------------------------------------------------------
* body.hpp
*
* Copyright (c) 2017 Yann Herklotz Grave <ymherklotz@gmail.com> -- MIT License
* See file LICENSE for more details
* ----------------------------------------------------------------------------
*/
#ifndef YAGE_PHYSICS_BODY_HPP
#define YAGE_PHYSICS_BODY_HPP
#include "Math/matrix.hpp"
namespace yage {
class Body {
public:
// gravity constant
static const double GRAVITY;
protected:
// center of mass of the object
Vector2d position_ = Vector2d(0, 0);
// mass of the object
double mass_ = 1;
// current velocity of the object
Vector2d velocity_ = Vector2d(0, 0);
// boolean that defines if gravity can act on the object
bool gravity_ = true;
// current acceleration
Vector2d acceleration_ = Vector2d(0, 0);
// force acting on the body
Vector2d force_ = Vector2d(0, 0);
public:
// apply force to the object and update the velocity
virtual void applyForce(const Vector2d& force) = 0;
virtual void update() = 0;
double xPosition() const;
double yPosition() const;
protected:
// protected constructor to initialize member variables
Body(const Vector2d& position = Vector2d(0, 0), double mass = 1, const Vector2d& velocity = Vector2d(0, 0), bool gravity = false);
};
} // namespace yage
#endif
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