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Camera.h
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1 /* Project nGenEx
2  Destroyer Studios LLC
3  Copyright © 1997-2004. All Rights Reserved.
4 
5  SUBSYSTEM: nGenEx.lib
6  FILE: Camera.h
7  AUTHOR: John DiCamillo
8 
9 
10  OVERVIEW
11  ========
12  Camera class - Position and Point of View
13 */
14 
15 #ifndef Camera_h
16 #define Camera_h
17 
18 // +--------------------------------------------------------------------+
19 
20 #include "Types.h"
21 #include "Geometry.h"
22 
23 // +--------------------------------------------------------------------+
24 
25 class Camera
26 {
27 public:
28  static const char* TYPENAME() { return "Camera"; }
29 
30  Camera(double x=0.0, double y=0.0, double z=0.0);
31  virtual ~Camera();
32 
33  void Aim(double roll, double pitch, double yaw) { orientation.Rotate(roll, pitch, yaw); }
34  void Roll(double roll) { orientation.Roll(roll); }
35  void Pitch(double pitch) { orientation.Pitch(pitch); }
36  void Yaw(double yaw) { orientation.Yaw(yaw); }
37 
38  void MoveTo(double x, double y, double z);
39  void MoveTo(const Point& p);
40  void MoveBy(double dx, double dy, double dz);
41  void MoveBy(const Point& p);
42 
43  void Clone(const Camera& cam);
44  void LookAt(const Point& target);
45  void LookAt(const Point& target, const Point& eye, const Point& up);
46  bool Padlock(const Point& target, double alimit=-1, double e_lo=-1, double e_hi=-1);
47 
48  Point Pos() const { return pos; }
49  Point vrt() const { return Point(orientation(0,0), orientation(0,1), orientation(0,2)); }
50  Point vup() const { return Point(orientation(1,0), orientation(1,1), orientation(1,2)); }
51  Point vpn() const { return Point(orientation(2,0), orientation(2,1), orientation(2,2)); }
52 
53  const Matrix& Orientation() const { return orientation; }
54 
55 protected:
56  Point pos;
57  Matrix orientation;
58 };
59 
60 #endif Camera_h
61