intersectsBox 
  Checks whether the given #graphene_ray_t @r intersects the given #graphene_box_t @b.
See also: graphene_ray_intersect_box()
Return
true if the ray intersects the box
Since
1.10
Parameters
b
a #graphene_box_t
Checks whether the given #graphene_ray_t @r intersects the given #graphene_box_t @b.
See also: graphene_ray_intersect_box()
true if the ray intersects the box
1.10
a #graphene_box_t