1 #ifndef CLOTH_H_

2 #define CLOTH_H_

3

4 #include <vector>

5 #include <gmath/gmath.h>

6 #include "object.h"

7

8 using namespace gph;

9

10 struct ClothMass {

11 Vector3 pos, vel;

12 bool fixed;

13 };

14

15 class Cloth {

16 private:

17 float mass, elast; // global mass attributes

18 float spring_k; // spring constant for all springs

19 Vector3 grav, forces;

20

21 std::vector<ClothMass> masses;

22 std::vector<std::vector<float> > conn; // spring lengths, <0 means not connected

23

24 std::vector<Object*> colliders;

25

26 bool find_collision(const Ray &ray, HitPoint *hit) const;

27

28 public:

29 Cloth();

30

31 void create_rect(int x, int y, float width, float height);

32

33 void transform(const Matrix4x4 &xform);

34

35 void add_collider(Object *o);

36

37 void step(float dt);

38

39 void draw() const;

40 };

41

42 #endif // CLOTH_H_