1.1 --- a/liberebus/src/object.cc	Sun May 25 02:23:39 2014 +0300
     1.2 +++ b/liberebus/src/object.cc	Mon May 26 05:41:28 2014 +0300
     1.3 @@ -1,4 +1,39 @@
     1.4 +#include <assert.h>
     1.5  #include "object.h"
     1.6 +#include "geomobj.h"
     1.7 +#include "snode.h"
     1.8 +
     1.9 +RayHit::RayHit()
    1.10 +{
    1.11 +	dist = 0;
    1.12 +	node = 0;
    1.13 +	obj = subobj = 0;
    1.14 +}
    1.15 +
    1.16 +Vector3 RayHit::calc_normal() const
    1.17 +{
    1.18 +	assert(obj->get_type() == ObjType::geom);
    1.19 +	Vector3 norm = ((const GeomObject*)obj)->calc_normal(*this);
    1.20 +
    1.21 +	const Matrix4x4 &xform = node->get_inv_matrix();
    1.22 +	return norm.transformed(Matrix3x3(xform).transposed());
    1.23 +}
    1.24 +
    1.25 +Vector3 RayHit::calc_tangent() const
    1.26 +{
    1.27 +	assert(obj->get_type() == ObjType::geom);
    1.28 +	Vector3 tang = ((const GeomObject*)obj)->calc_tangent(*this);
    1.29 +
    1.30 +	const Matrix4x4 &xform = node->get_matrix();
    1.31 +	return tang.transformed(Matrix3x3(xform).transposed());
    1.32 +}
    1.33 +
    1.34 +Vector2 RayHit::calc_texcoords() const
    1.35 +{
    1.36 +	assert(obj->get_type() == ObjType::geom);
    1.37 +	return ((const GeomObject*)obj)->calc_texcoords(*this);
    1.38 +}
    1.39 +
    1.40  
    1.41  Object::Object()
    1.42  {