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camera.h

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00001 /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*-
00002 
00003    this file is part of rcssserver3D
00004    Fri May 9 2003
00005    Copyright (C) 2002,2003 Koblenz University
00006    Copyright (C) 2003 RoboCup Soccer Server 3D Maintenance Group
00007    $Id: camera.h,v 1.6 2004/02/12 14:07:23 fruit Exp $
00008 
00009    This program is free software; you can redistribute it and/or modify
00010    it under the terms of the GNU General Public License as published by
00011    the Free Software Foundation; version 2 of the License.
00012 
00013    This program is distributed in the hope that it will be useful,
00014    but WITHOUT ANY WARRANTY; without even the implied warranty of
00015    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00016    GNU General Public License for more details.
00017 
00018    You should have received a copy of the GNU General Public License
00019    along with this program; if not, write to the Free Software
00020    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00021 */
00022 #ifndef KEROSIN_CAMERA_H
00023 #define KEROSIN_CAMERA_H
00024 
00025 #include "basenode.h"
00026 #include <salt/frustum.h>
00027 
00028 namespace oxygen
00029 {
00030 
00035 class Camera : public BaseNode
00036 {
00037     //
00038     // Functions
00039     //
00040 public:
00041     Camera();
00042     virtual ~Camera();
00043 
00044     // set properties
00045 
00047     void SetViewport(int x, int y, int width, int height);
00048     int GetViewportX();
00049     int GetViewportY();
00050     int GetViewportWidth();
00051     int GetViewportHeight();
00052 
00054     void SetFOV(const float fov);
00055 
00057     void SetZNear(const float zNear);
00058 
00060     void SetZFar(const float zFar);
00061 
00063     void AdjustFOV(const float fov);
00064 
00067     void AdjustZNear(const float zNear);
00068 
00071     void AdjustZFar(const float zFar);
00072 
00074     float GetFOV() const;
00075 
00077     float GetZNear() const;
00078 
00080     float GetZFar() const;
00081 
00083     const salt::Matrix& GetViewTransform() const;
00084 
00086     const salt::Matrix& GetProjectionTransform() const;
00087 
00090     void DescribeFrustum(salt::Frustum& frustum) const;
00091 
00095     void Bind();
00096 
00097 protected:
00099     virtual void OnLink();
00100 
00101 private:
00104     virtual void UpdateHierarchyInternal();
00105 
00106     //
00107     // Members
00108     //
00109 protected:
00111     float mFOV;
00112 
00114     float mZNear;
00115 
00117     float mZFar;
00118 
00120     int mX;
00121 
00123     int mY;
00124 
00126     int mWidth;
00127 
00129     int mHeight;
00130     float mHalfWorldWidth;
00131     float mHalfWorldHeight;
00132 
00134     salt::Matrix mViewTransform;
00135 
00137     salt::Matrix mProjectionTransform;
00138 };
00139 
00140 DECLARE_CLASS(Camera);
00141 
00142 } //namespace kerosin
00143 
00144 #endif //KEROSIN_CAMERA_H

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