erebus
annotate liberebus/src/camera.h @ 0:4abdce1361b9
initial commit
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Sun, 27 Apr 2014 16:02:47 +0300 |
| parents | |
| children | 9621beb22694 |
| rev | line source |
|---|---|
| nuclear@0 | 1 #ifndef CAMERA_H_ |
| nuclear@0 | 2 #define CAMERA_H_ |
| nuclear@0 | 3 |
| nuclear@0 | 4 #include "vmath/vmath.h" |
| nuclear@0 | 5 |
| nuclear@0 | 6 class Camera { |
| nuclear@0 | 7 protected: |
| nuclear@0 | 8 Vector3 pos; |
| nuclear@0 | 9 float vfov; // vertical field of view in radians |
| nuclear@0 | 10 |
| nuclear@0 | 11 mutable Matrix4x4 cached_matrix; |
| nuclear@0 | 12 mutable bool cached_matrix_valid; |
| nuclear@0 | 13 |
| nuclear@0 | 14 mutable Vector3 *rdir_cache; |
| nuclear@0 | 15 mutable int rdir_cache_width, rdir_cache_height; |
| nuclear@0 | 16 |
| nuclear@0 | 17 virtual void calc_matrix(Matrix4x4 *mat) const = 0; |
| nuclear@0 | 18 |
| nuclear@0 | 19 Vector2 calc_sample_pos(int x, int y, int xsz, int ysz, int sample) const; |
| nuclear@0 | 20 |
| nuclear@0 | 21 public: |
| nuclear@0 | 22 Camera(); |
| nuclear@0 | 23 Camera(const Vector3 &pos); |
| nuclear@0 | 24 virtual ~Camera(); |
| nuclear@0 | 25 |
| nuclear@0 | 26 virtual void set_fov(float vfov); |
| nuclear@0 | 27 virtual float get_fov() const; |
| nuclear@0 | 28 |
| nuclear@0 | 29 virtual void set_position(const Vector3 &pos); |
| nuclear@0 | 30 virtual const Vector3 &get_position() const; |
| nuclear@0 | 31 virtual const Matrix4x4 &get_matrix() const; |
| nuclear@0 | 32 |
| nuclear@0 | 33 virtual Ray get_primary_ray(int x, int y, int xsz, int ysz, int sample = 0) const; |
| nuclear@0 | 34 }; |
| nuclear@0 | 35 |
| nuclear@0 | 36 class TargetCamera : public Camera { |
| nuclear@0 | 37 protected: |
| nuclear@0 | 38 Vector3 target; |
| nuclear@0 | 39 |
| nuclear@0 | 40 void calc_matrix(Matrix4x4 *mat) const; |
| nuclear@0 | 41 |
| nuclear@0 | 42 public: |
| nuclear@0 | 43 TargetCamera(); |
| nuclear@0 | 44 TargetCamera(const Vector3 &pos, const Vector3 &targ); |
| nuclear@0 | 45 |
| nuclear@0 | 46 virtual void set_target(const Vector3 &targ); |
| nuclear@0 | 47 virtual const Vector3 &get_target() const; |
| nuclear@0 | 48 }; |
| nuclear@0 | 49 |
| nuclear@0 | 50 class FlyCamera : public Camera { |
| nuclear@0 | 51 protected: |
| nuclear@0 | 52 Quaternion rot; |
| nuclear@0 | 53 |
| nuclear@0 | 54 void calc_matrix(Matrix4x4 *mat) const; |
| nuclear@0 | 55 |
| nuclear@0 | 56 public: |
| nuclear@0 | 57 void input_move(float x, float y, float z); |
| nuclear@0 | 58 void input_rotate(float x, float y, float z); |
| nuclear@0 | 59 }; |
| nuclear@0 | 60 |
| nuclear@0 | 61 #endif // CAMERA_H_ |