blob: b086977998b0e41c07da3236a40fc477dbf8dc44 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
/* ----------------------------------------------------------------------------
* 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
|
