1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/cam.h	Sat Sep 19 05:51:51 2015 +0300
     1.3 @@ -0,0 +1,61 @@
     1.4 +/*
     1.5 +Stereoscopic tunnel for iOS.
     1.6 +Copyright (C) 2011  John Tsiombikas <nuclear@member.fsf.org>
     1.7 +
     1.8 +This program is free software: you can redistribute it and/or modify
     1.9 +it under the terms of the GNU General Public License as published by
    1.10 +the Free Software Foundation, either version 3 of the License, or
    1.11 +(at your option) any later version.
    1.12 +
    1.13 +This program is distributed in the hope that it will be useful,
    1.14 +but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.15 +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.16 +GNU General Public License for more details.
    1.17 +
    1.18 +You should have received a copy of the GNU General Public License
    1.19 +along with this program.  If not, see <http://www.gnu.org/licenses/>.
    1.20 +*/
    1.21 +
    1.22 +#ifndef CAM_H_
    1.23 +#define CAM_H_
    1.24 +
    1.25 +enum {
    1.26 +	CAM_CENTER,
    1.27 +	CAM_LEFT,
    1.28 +	CAM_RIGHT
    1.29 +};
    1.30 +
    1.31 +/* reset to the initial state */
    1.32 +void cam_reset(void);			/* all */
    1.33 +void cam_reset_view(void);		/* view parameters */
    1.34 +void cam_reset_proj(void);		/* projection parameters */
    1.35 +void cam_reset_stereo(void);	/* stereo parameters */
    1.36 +
    1.37 +/* camera viewing parameters */
    1.38 +void cam_pan(int dx, int dy);		/* pan across X/Z plane */
    1.39 +void cam_height(int dh);			/* move verticaly */
    1.40 +void cam_rotate(int dx, int dy);	/* rotate around local Y and X axis */
    1.41 +void cam_zoom(int dz);				/* dolly the camera fwd/back */
    1.42 +
    1.43 +/* camera projection parameters */
    1.44 +void cam_clip(float n, float f);	/* set clipping planes */
    1.45 +void cam_fov(float f);				/* vertical field of view in degrees */
    1.46 +void cam_aspect(float a);			/* aspect ratio (width / height) */
    1.47 +
    1.48 +/* stereo parameters */
    1.49 +void cam_separation(float s);
    1.50 +void cam_focus_dist(float d);
    1.51 +
    1.52 +/* multiply the camera view matrix on top of the current matrix stack
    1.53 + * (which should be GL_MODELVIEW)
    1.54 + */
    1.55 +void cam_view_matrix(void);
    1.56 +void cam_stereo_view_matrix(int eye);
    1.57 +
    1.58 +/* multiply the camera projection matrix on top of the current matrix stack
    1.59 + * (which should be GL_PROJECTION)
    1.60 + */
    1.61 +void cam_proj_matrix(void);
    1.62 +void cam_stereo_proj_matrix(int eye);
    1.63 +
    1.64 +#endif	/* CAM_H_ */