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source: orxonox.OLD/branches/mount_points/src/world_entities/camera.h @ 10149

Last change on this file since 10149 was 9869, checked in by bensch, 18 years ago

orxonox/trunk: merged the new_class_id branche back to the trunk.
merged with command:
svn merge https://svn.orxonox.net/orxonox/branches/new_class_id trunk -r9683:HEAD
no conflicts… puh..

File size: 2.7 KB
Line 
1/*!
2 * @file camera.h
3 * Viewpoint controlling class definitions
4*/
5
6#ifndef _CAMERA_H
7#define _CAMERA_H
8
9#include "p_node.h"
10#include "event_listener.h"
11#include "plane.h"
12
13class World;
14class CameraTarget;
15class Event;
16
17
18//! Camera
19/**
20 * This class controls the viewpoint from which the World is rendered.
21*/
22class Camera : public PNode, public EventListener
23{
24  ObjectListDeclaration(Camera);
25public:
26  //! an enumerator for different types of view
27  typedef enum ViewMode
28  {
29    ViewNormal,
30    ViewBehind,
31    ViewFront,
32    ViewLeft,
33    ViewRight,
34    ViewTop
35  };
36
37  Camera();
38  virtual ~Camera();
39
40  void lookAt(PNode* target);
41  CameraTarget* getTarget() const { return this->target; };
42  PNode* getTargetNode() const;
43
44  void setAspectRatio(float aspectRatio);
45  void setClipRegion(float nearClip, float farClip);
46
47  /** @param fovy new field of view factor (in degrees) */
48  void setFovy(float fovy) { this->fovy = fovy; };
49  /** @param fovy new field of view factor (in degrees) to iterate to */
50  void setToFovy(float toFovy) { this->toFovy = toFovy; };
51
52  void setViewMode(Camera::ViewMode mode);
53  inline const Vector& getViewVector() const { return this->viewVector; }
54  inline const Vector& getUpVector() const { return this->upVector; }
55  inline const Plane& getViewFrustum() const { return this->frustumPlane; }
56
57  inline float distance(const Vector& distance) const { return this->frustumPlane.distancePoint(distance); }
58  inline float distance(const PNode* node) const { return distance(node->getAbsCoor()); }
59
60  void tick(float dt);
61  void apply ();
62  void project();
63
64  void process(const Event &event);
65
66private:
67  CameraTarget*     target;          //!< The Target of the Camera (where this Camera Looks at)
68
69  float             fovy;            //!< The field of view Angle (in degrees).
70  float             aspectRatio;     //!< The aspect ratio (width / height).
71  float             nearClip;        //!< The near clipping plane.
72  float             farClip;         //!< The far clipping plane.
73
74  float             toFovy;          //!< The fovy-mode to iterate to.
75  Camera::ViewMode  currentMode;     //!< The ViewMode the camera is in
76
77  Vector            delay;
78  Plane             frustumPlane;    //!< plane that marks the view frustum
79  Vector            viewVector;      //!< the direction of the camera view
80  Vector            upVector;        //!< direction of the up vector
81};
82
83//! A CameraTarget is where the Camera is looking at.
84class CameraTarget : public PNode
85{
86  friend class Camera;             //! The CameraTarget is a friend of Camera. noone else needs a CameraTarget, so noone else can create it.
87  ObjectListDeclaration(CameraTarget);
88
89private:
90  CameraTarget();
91
92public:
93};
94
95
96#endif /* _CAMERA_H */
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