1 #ifndef VMATH_RAY_H_

2 #define VMATH_RAY_H_

3

4 #include "vmath.h"

5 #include "vmathmat.h"

6

7 class Ray {

8 public:

9 Vector3 origin, dir;

10

11 Ray() {}

12 Ray(const Vector3 &p, const Vector3 &d) : origin(p), dir(d) {}

13 };

14

15 inline Ray transform(const Matrix4x4 &m, const Ray &r)

16 {

17 Matrix4x4 rmat = m;

18 rmat[0][3] = rmat[1][3] = rmat[2][3] = rmat[3][0] = rmat[3][1] = rmat[3][2] = 0.0;

19 rmat[3][3] = 1.0;

20

21 return Ray(transform(m, r.origin), transform(rmat, r.dir));

22 }

23

24 #endif // VMATH_RAY_H_