Microsoft-3D-Movie-Maker/BREN/INC/CAMERA.H
2022-05-03 16:31:19 -07:00

78 lines
1.2 KiB
C

/*
* Copyright (c) 1993-1995 by Argonaut Technologies Limited. All rights reserved.
*
* $Id: camera.h 1.4 1995/05/25 13:37:27 sam Exp $
* $Locker: $
*
* Definitons for a camera
*/
#ifndef _CAMERA_H_
#define _CAMERA_H_
#ifdef __cplusplus
extern "C" {
#endif
enum {
BR_CAMERA_PARALLEL,
BR_CAMERA_PERSPECTIVE_FOV,
BR_CAMERA_PERSPECTIVE_WHD
};
/*
* Backwards compatibility
*/
#define BR_CAMERA_PERSPECTIVE BR_CAMERA_PERSPECTIVE_FOV
typedef struct br_camera {
/*
* Optional identifier
*/
char *identifier;
/*
* Type of camera
*/
br_uint_8 type;
/*
* Field of view
* (BR_CAMERA_PERSPECTIVE_FOV only)
*/
br_angle field_of_view;
/*
* Front and back of view volume in view coordinates
*/
br_scalar hither_z;
br_scalar yon_z;
/*
* Aspect ratio of viewport
* (BR_CAMERA_PERSPECTIVE_FOV only)
*/
br_scalar aspect;
/*
* Width and height of projection surface
* (BR_CAMERA_PERSPECTIVE_WHD and BR_CAMERA_PARALLEL only)
*/
br_scalar width;
br_scalar height;
/*
* Distance of projection plane from center of projection
* (BR_CAMERA_PERSPECTIVE_WHD only)
*/
br_scalar distance;
} br_camera;
#ifdef __cplusplus
};
#endif
#endif