annotate liberebus/src/camera.h @ 44:a2afaf8af09b
helpful comment
| author |
John Tsiombikas <nuclear@member.fsf.org> |
| date |
Fri, 18 Sep 2015 06:47:41 +0300 |
| parents |
9621beb22694 |
| children |
bab25c0ce337 |
| rev |
line source |
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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 virtual void calc_matrix(Matrix4x4 *mat) const = 0;
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15
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16 Vector2 calc_sample_pos(int x, int y, int xsz, int ysz, int sample) const;
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17
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18 public:
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19 Camera();
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20 Camera(const Vector3 &pos);
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21 virtual ~Camera();
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22
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23 virtual void set_fov(float vfov);
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24 virtual float get_fov() const;
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25
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26 virtual void set_position(const Vector3 &pos);
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27 virtual const Vector3 &get_position() const;
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28 virtual const Matrix4x4 &get_matrix() const;
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29
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30 virtual Ray get_primary_ray(int x, int y, int xsz, int ysz, int sample = 0) const;
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31 };
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32
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33 class TargetCamera : public Camera {
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34 protected:
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35 Vector3 target;
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36
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37 void calc_matrix(Matrix4x4 *mat) const;
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38
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39 public:
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40 TargetCamera();
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41 TargetCamera(const Vector3 &pos, const Vector3 &targ);
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42
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43 virtual void set_target(const Vector3 &targ);
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44 virtual const Vector3 &get_target() const;
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45 };
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46
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47 class FlyCamera : public Camera {
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48 protected:
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49 Quaternion rot;
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50
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51 void calc_matrix(Matrix4x4 *mat) const;
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52
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53 public:
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54 void input_move(float x, float y, float z);
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55 void input_rotate(float x, float y, float z);
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56 };
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57
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58 #endif // CAMERA_H_
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