1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/**
* $Id$
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
#ifndef NAN_INCLUDED_MeshBounds_h
#define NAN_INCLUDED_MeshBounds_h
#include "MEM_SmartPtr.h"
#include "LOD_MeshPrimitives.h"
#include "LOD_ManMesh2.h"
#include "MT_assert.h"
// simple class to compute the mesh bounds of a manifold mesh,
class LOD_MeshBounds {
public :
static
LOD_MeshBounds *
New(
){
MEM_SmartPtr<LOD_MeshBounds> output(new LOD_MeshBounds());
return output.Release();
}
void
ComputeBounds(
const LOD_ManMesh2 * mesh
){
MT_assert(mesh!=NULL);
MT_assert(mesh->VertexSet().size() > 0);
const std::vector<LOD_Vertex> &verts = mesh->VertexSet();
m_min = verts[0].pos;
m_max = verts[0].pos;
// iterate through the verts
int t;
const int size = verts.size();
for (t=1; t< size ; ++t) {
UpdateBounds(verts[t].pos,m_min,m_max);
}
}
MT_Vector3
Min(
) const {
return m_min;
}
MT_Vector3
Max(
) const {
return m_max;
}
private :
void
UpdateBounds(
MT_Vector3 vertex,
MT_Vector3& min,
MT_Vector3& max
) {
if (vertex.x() < min.x()) {
min.x() = vertex.x();
} else
if (vertex.x() > max.x()) {
max.x()= vertex.x();
}
if (vertex.y() < min.y()) {
min.y() = vertex.y();
} else
if (vertex.y() > max.y()) {
max.y()= vertex.y();
}
if (vertex.z() < min.z()) {
min.z() = vertex.z();
} else
if (vertex.z() > max.z()) {
max.z()= vertex.z();
}
}
LOD_MeshBounds(
) :
m_min(0,0,0),
m_max(0,0,0)
{
};
MT_Vector3 m_min;
MT_Vector3 m_max;
};
#endif
|
