1 #ifndef CAM_H_

2 #define CAM_H_

3

4 enum {

5 CAM_CENTER,

6 CAM_LEFT,

7 CAM_RIGHT

8 };

9

10 /* reset to the initial state */

11 void cam_reset(void); /* all */

12 void cam_reset_view(void); /* view parameters */

13 void cam_reset_proj(void); /* projection parameters */

14 void cam_reset_stereo(void); /* stereo parameters */

15

16 void cam_set_vrange(float min_deg, float max_deg);

17

18 void cam_move(float x, float y, float z);

19 void cam_rotate(float theta, float phi);

20 void cam_dolly(float dist);

21

22 /* camera input handling */

23 void cam_inp_pan_speed(float speed);

24 void cam_inp_rotate_speed(float speed);

25 void cam_inp_zoom_speed(float speed);

26

27 void cam_inp_pan(int dx, int dy); /* pan across X/Z plane */

28 void cam_inp_height(int dh); /* move verticaly */

29 void cam_inp_rotate(int dx, int dy); /* rotate around local Y and X axis */

30 void cam_inp_zoom(int dz); /* dolly the camera fwd/back */

31

32 /* camera projection parameters */

33 void cam_clip(float n, float f); /* set clipping planes */

34 void cam_fov(float f); /* vertical field of view in degrees */

35 void cam_aspect(float a); /* aspect ratio (width / height) */

36

37 /* stereo parameters */

38 void cam_separation(float s);

39 void cam_focus_dist(float d);

40

41

42 /* multiply the camera view matrix on top of the current matrix stack

43 * (which should be GL_MODELVIEW)

44 */

45 void cam_view_matrix(void);

46 void cam_stereo_view_matrix(int eye);

47

48 /* multiply the camera projection matrix on top of the current matrix stack

49 * (which should be GL_PROJECTION)

50 */

51 void cam_proj_matrix(void);

52 void cam_stereo_proj_matrix(int eye);

53

54 #endif /* CAM_H_ */