Subversion Repositories gelsvn

Rev

Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
39 bj 1 
#include "TriMesh.h"
2 
 
3 
using namespace CGLA;
4 
using namespace std;
5 
 
6 
namespace IMesh
7 
{
8 
	TriMeshData::TriMeshData():
9 
		FA_NORM(-1),
10 
		FA_COL(-1),
11 
		VA_POS(-1),
12 
		VA_NORM(-1),
13 
		VA_COL(-1),
14 
		VA_TEX(-1),
15 
		faces_size(0),
16 
		face_sets(0),
17 
		face_attr(0),
18 
		face_set_mapping(0),
19 
		vert_attr(0) {}
20 
 
21 
	/** Copy constructor. This is called from the TriMesh constructor when
22 
			the TriMeshBuilder creates a new TriMesh. */
23 
	TriMeshData::TriMeshData(const TriMeshData& tmd):
24 
		FA_NORM(tmd.FA_NORM),
25 
		FA_COL(tmd.FA_COL),
26 
		VA_POS(tmd.VA_POS),
27 
		VA_NORM(tmd.VA_NORM),
28 
		VA_COL(tmd.VA_COL),
29 
		VA_TEX(tmd.VA_TEX),
30 
		faces_size(tmd.faces_size),
31 
		face_sets(tmd.face_sets),
32 
		face_attr(tmd.face_attr),
33 
		face_set_mapping(tmd.face_set_mapping),
34 
		vert_attr(tmd.vert_attr) {}
35 
 
36 
	void TriMeshData::clear()
37 
		{
38 
			FA_NORM.idx = -1;
39 
			FA_COL.idx = -1;
40 
 
41 
			VA_POS.idx = -1;
42 
			VA_NORM.idx = -1;
43 
			VA_COL.idx = -1;
44 
			VA_TEX.idx = -1;
45 
 
46 
			faces_size = 0;
47 
 
48 
			face_sets.clear();
49 
			face_attr.clear();
50 
			face_set_mapping.clear();
51 
			vert_attr.clear();
52 
		}
53 
 
54 
	void TriMeshData::clean_up()
55 
		{
56 
			// Delete all attribute vectors.
57 
			int i; // Declared here to placate a specific brain dead compiler
58 
			for(i=0;i<face_sets.size(); ++i)
59 
				delete face_sets[i];
60 
			for(i=0;i<face_attr.size(); ++i)
61 
				delete face_attr[i];
62 
			for(i=0;i<vert_attr.size(); ++i)
63 
				delete vert_attr[i];
64 
		}
65 
 
66 
	void TriMesh::get_bbox(CGLA::Vec3f& p0, CGLA::Vec3f& p7) const
67 
  {
68 
    int i;
69 
    p0 = vpos(0);
70 
		p7 = vpos(0);
71 
    for(i=1;i<no_vertices();i++)
72 
      {
73 
				p0 = v_min(vpos(i), p0);
74 
				p7 = v_max(vpos(i), p7);
75 
      }
76 
  }
77 
 
78 
  void TriMesh::get_bsphere(CGLA::Vec3f& c, float& r) const
79 
  {
80 
    Vec3f p0,p7;
81 
    get_bbox(p0, p7);
82 
    Vec3f rad = (p7 - p0)/2.0;
83 
    c = p0 + rad;
84 
    r = rad.length();
85 
  }
86 
 
87 
 
88 
}