Subversion Repositories gelsvn

Rev

Rev 443 | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 443 Rev 595
- 
 
 1 
/* ----------------------------------------------------------------------- *
- 
 
 2 
 * This file is part of GEL, http://www.imm.dtu.dk/GEL
- 
 
 3 
 * Copyright (C) the authors and DTU Informatics
- 
 
 4 
 * For license and list of authors, see ../../doc/intro.pdf
- 
 
 5 
 * ----------------------------------------------------------------------- */
- 
 
 6 
 
- 
 
 7 
/**
- 
 
 8 
 * @file AABox.h
- 
 
 9 
 * @brief Axis aligned bounding box class.
- 
 
 10 
 */
- 
 
 11 
 
1 
#ifndef __GEOMETRY_AABOX__H
 12 
#ifndef __GEOMETRY_AABOX__H
2 
#define __GEOMETRY_AABOX__H
 13 
#define __GEOMETRY_AABOX__H
3 
 
 14 
 
4 
#include <iostream>
 15 
#include <iostream>
5 
#include <vector>
 16 
#include <vector>
6 
#include "Triangle.h"
 17 
#include "Triangle.h"
7 
 
 18 
 
8 
namespace Geometry
 19 
namespace Geometry
9 
{
 20 
{
10 
  const float DIST_THRESH = 5.0e-4f;
 21 
  const float DIST_THRESH = 5.0e-4f;
11 
 
 22 
 
12 
  class AABox
 23 
  class AABox
13 
  {
 24 
  {
14 
	CGLA::Vec3f pmin, pmax, interior_point;
 25 
	CGLA::Vec3f pmin, pmax, interior_point;
15 
  public:
 26 
  public:
16 
 
 27 
 
17 
	AABox() {}
 28 
	AABox() {}
18 
 
 29 
 
19 
	AABox(const CGLA::Vec3f& _pmin, const CGLA::Vec3f& _pmax,
 30 
	AABox(const CGLA::Vec3f& _pmin, const CGLA::Vec3f& _pmax,
20 
		  const CGLA::Vec3f& _interior_point):
 31 
		  const CGLA::Vec3f& _interior_point):
21 
 
 32 
 
22 
	pmin(_pmin), pmax(_pmax), interior_point(_interior_point)
 33 
	pmin(_pmin), pmax(_pmax), interior_point(_interior_point)
23 
	{
 34 
	{
24 
      for(int i=0;i<3;++i)
 35 
      for(int i=0;i<3;++i)
25 
		if((pmax[i]-pmin[i]) < DIST_THRESH)
 36 
		if((pmax[i]-pmin[i]) < DIST_THRESH)
26 
		{
 37 
		{
27 
			pmax[i] += DIST_THRESH/2.0f;
 38 
			pmax[i] += DIST_THRESH/2.0f;
28 
			pmin[i] -= DIST_THRESH/2.0f;
 39 
			pmin[i] -= DIST_THRESH/2.0f;
29 
		}
 40 
		}
30 
	  assert(pmin.all_le(interior_point));
 41 
	  assert(pmin.all_le(interior_point));
31 
	  assert(pmax.all_ge(interior_point));
 42 
	  assert(pmax.all_ge(interior_point));
32 
	}
 43 
	}
33 
 
 44 
 
34 
	const CGLA::Vec3f& get_pmin() const {return pmin;}
 45 
	const CGLA::Vec3f& get_pmin() const {return pmin;}
35 
 
 46 
 
36 
	const CGLA::Vec3f& get_pmax() const {return pmax;}
 47 
	const CGLA::Vec3f& get_pmax() const {return pmax;}
37 
 
 48 
 
38 
	bool intersect(const CGLA::Vec3f&, const CGLA::Vec3f&) const;
 49 
	bool intersect(const CGLA::Vec3f&, const CGLA::Vec3f&) const;
39 
 
 50 
 
40 
	void minmax_sq_dist(const CGLA::Vec3f& p, float& dmin, float& dmax) const;
 51 
	void minmax_sq_dist(const CGLA::Vec3f& p, float& dmin, float& dmax) const;
41 
 
 52 
 
42 
	static AABox box_triangle(const Triangle&);
 53 
	static AABox box_triangle(const Triangle&);
43 
 
 54 
 
44 
	static AABox box_and_split(const std::vector<Triangle>& invec,
 55 
	static AABox box_and_split(const std::vector<Triangle>& invec,
45 
							   std::vector<Triangle>& lvec,
 56 
							   std::vector<Triangle>& lvec,
46 
							   std::vector<Triangle>& rvec);
 57 
							   std::vector<Triangle>& rvec);
47
58
48 
  };
 59 
  };
49 
}
 60 
}
50 
 
 61 
 
51 
#endif
 62 
#endif
52 
 
 63