metasurf
annotate examples/volume/src/cam.h @ 11:430d8dde62aa
random changes
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Sun, 23 Aug 2015 07:17:56 +0300 |
| parents | |
| children |
| rev | line source |
|---|---|
| nuclear@3 | 1 #ifndef CAM_H_ |
| nuclear@3 | 2 #define CAM_H_ |
| nuclear@3 | 3 |
| nuclear@3 | 4 enum { |
| nuclear@3 | 5 CAM_CENTER, |
| nuclear@3 | 6 CAM_LEFT, |
| nuclear@3 | 7 CAM_RIGHT |
| nuclear@3 | 8 }; |
| nuclear@3 | 9 |
| nuclear@3 | 10 /* reset to the initial state */ |
| nuclear@3 | 11 void cam_reset(void); /* all */ |
| nuclear@3 | 12 void cam_reset_view(void); /* view parameters */ |
| nuclear@3 | 13 void cam_reset_proj(void); /* projection parameters */ |
| nuclear@3 | 14 void cam_reset_stereo(void); /* stereo parameters */ |
| nuclear@3 | 15 |
| nuclear@3 | 16 void cam_set_vrange(float min_deg, float max_deg); |
| nuclear@3 | 17 |
| nuclear@3 | 18 void cam_move(float x, float y, float z); |
| nuclear@3 | 19 void cam_rotate(float theta, float phi); |
| nuclear@3 | 20 void cam_dolly(float dist); |
| nuclear@3 | 21 |
| nuclear@3 | 22 /* camera input handling */ |
| nuclear@3 | 23 void cam_inp_pan_speed(float speed); |
| nuclear@3 | 24 void cam_inp_rotate_speed(float speed); |
| nuclear@3 | 25 void cam_inp_zoom_speed(float speed); |
| nuclear@3 | 26 |
| nuclear@3 | 27 void cam_inp_pan(int dx, int dy); /* pan across X/Z plane */ |
| nuclear@3 | 28 void cam_inp_height(int dh); /* move verticaly */ |
| nuclear@3 | 29 void cam_inp_rotate(int dx, int dy); /* rotate around local Y and X axis */ |
| nuclear@3 | 30 void cam_inp_zoom(int dz); /* dolly the camera fwd/back */ |
| nuclear@3 | 31 |
| nuclear@3 | 32 /* camera projection parameters */ |
| nuclear@3 | 33 void cam_clip(float n, float f); /* set clipping planes */ |
| nuclear@3 | 34 void cam_fov(float f); /* vertical field of view in degrees */ |
| nuclear@3 | 35 void cam_aspect(float a); /* aspect ratio (width / height) */ |
| nuclear@3 | 36 |
| nuclear@3 | 37 /* stereo parameters */ |
| nuclear@3 | 38 void cam_separation(float s); |
| nuclear@3 | 39 void cam_focus_dist(float d); |
| nuclear@3 | 40 |
| nuclear@3 | 41 |
| nuclear@3 | 42 /* multiply the camera view matrix on top of the current matrix stack |
| nuclear@3 | 43 * (which should be GL_MODELVIEW) |
| nuclear@3 | 44 */ |
| nuclear@3 | 45 void cam_view_matrix(void); |
| nuclear@3 | 46 void cam_stereo_view_matrix(int eye); |
| nuclear@3 | 47 |
| nuclear@3 | 48 /* multiply the camera projection matrix on top of the current matrix stack |
| nuclear@3 | 49 * (which should be GL_PROJECTION) |
| nuclear@3 | 50 */ |
| nuclear@3 | 51 void cam_proj_matrix(void); |
| nuclear@3 | 52 void cam_stereo_proj_matrix(int eye); |
| nuclear@3 | 53 |
| nuclear@3 | 54 #endif /* CAM_H_ */ |