source: GTP/trunk/App/Demos/Geom/OgreStuff/include/OgreWireBoundingBox.h @ 1092

Revision 1092, 2.5 KB checked in by gumbau, 18 years ago (diff)

LodStrips? and LODTrees demos

Line 
1/*
2-----------------------------------------------------------------------------
3This source file is part of OGRE
4    (Object-oriented Graphics Rendering Engine)
5For the latest info, see http://www.ogre3d.org/
6
7Copyright (c) 2000-2005 The OGRE Team
8Also see acknowledgements in Readme.html
9
10This program is free software; you can redistribute it and/or modify it under
11the terms of the GNU Lesser General Public License as published by the Free Software
12Foundation; either version 2 of the License, or (at your option) any later
13version.
14
15This program is distributed in the hope that it will be useful, but WITHOUT
16ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
18
19You should have received a copy of the GNU Lesser General Public License along with
20this program; if not, write to the Free Software Foundation, Inc., 59 Temple
21Place - Suite 330, Boston, MA 02111-1307, USA, or go to
22http://www.gnu.org/copyleft/lesser.txt.
23-----------------------------------------------------------------------------
24*/
25#ifndef _WireBoundingBox_H__
26#define _WireBoundingBox_H__
27
28#include "OgrePrerequisites.h"
29
30#include "OgreSimpleRenderable.h"
31
32namespace Ogre {
33
34    /** Allows the rendering of a wireframe bounding box.
35        @remarks
36            This class builds a wireframe renderable from a given aabb. A pointer to this class can be
37                        added to a render queue to display the bounding box of an object.
38    */
39        class _OgreExport WireBoundingBox : public SimpleRenderable
40        {
41    protected:
42        /** Override this method to prevent parent transforms (rotation,translation,scale)
43        */
44                void getWorldTransforms( Matrix4* xform ) const;
45        /** @copydoc Renderable::getWorldOrientation */
46        const Quaternion& getWorldOrientation(void) const;
47        /** @copydoc Renderable::getWorldPosition */
48        const Vector3& getWorldPosition(void) const;
49               
50        /** Builds the wireframe line list.
51        */
52                void setupBoundingBoxVertices(const AxisAlignedBox& aab);
53
54        Real mRadius;
55
56        public:
57                       
58                WireBoundingBox();
59                ~WireBoundingBox();
60
61        /** Builds the wireframe line list.
62            @param
63                aabb bounding box to build a wireframe from.
64        */
65                void setupBoundingBox(const AxisAlignedBox& aabb);
66
67                Real getSquaredViewDepth(const Camera* cam) const;
68
69        Real getBoundingRadius(void) const { return mRadius; }
70
71        };
72
73}// namespace
74
75#endif
76
77
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