annotate liberebus/src/camera.h @ 4:93894c232d65
more changes across the board
| author |
John Tsiombikas <nuclear@member.fsf.org> |
| date |
Tue, 29 Apr 2014 07:38:40 +0300 |
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9621beb22694 |
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1 #ifndef CAMERA_H_
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2 #define CAMERA_H_
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3
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4 #include "vmath/vmath.h"
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5
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6 class Camera {
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7 protected:
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8 Vector3 pos;
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9 float vfov; // vertical field of view in radians
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10
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11 mutable Matrix4x4 cached_matrix;
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12 mutable bool cached_matrix_valid;
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13
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14 mutable Vector3 *rdir_cache;
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15 mutable int rdir_cache_width, rdir_cache_height;
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16
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17 virtual void calc_matrix(Matrix4x4 *mat) const = 0;
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18
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19 Vector2 calc_sample_pos(int x, int y, int xsz, int ysz, int sample) const;
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20
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21 public:
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22 Camera();
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23 Camera(const Vector3 &pos);
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24 virtual ~Camera();
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25
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26 virtual void set_fov(float vfov);
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27 virtual float get_fov() const;
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28
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29 virtual void set_position(const Vector3 &pos);
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30 virtual const Vector3 &get_position() const;
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31 virtual const Matrix4x4 &get_matrix() const;
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32
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33 virtual Ray get_primary_ray(int x, int y, int xsz, int ysz, int sample = 0) const;
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34 };
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35
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36 class TargetCamera : public Camera {
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37 protected:
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38 Vector3 target;
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39
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40 void calc_matrix(Matrix4x4 *mat) const;
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41
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42 public:
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43 TargetCamera();
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44 TargetCamera(const Vector3 &pos, const Vector3 &targ);
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45
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46 virtual void set_target(const Vector3 &targ);
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47 virtual const Vector3 &get_target() const;
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48 };
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49
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50 class FlyCamera : public Camera {
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51 protected:
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52 Quaternion rot;
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53
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54 void calc_matrix(Matrix4x4 *mat) const;
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55
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56 public:
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57 void input_move(float x, float y, float z);
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58 void input_rotate(float x, float y, float z);
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59 };
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60
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61 #endif // CAMERA_H_
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