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/* camera.h
This file is part of the Osirion project
*/
#ifndef __INCLUDED_CAMERA_H__
#define __INCLUDED_CAMERA_H__
#include "common/vector3f.h"
/// camera functions
/** The functions in this namespace performs the transformations
for the camera eye location. The camera always looks at (0,0,0)
*/
namespace camera
{
/// draw the OpenGL camera transformation
void draw(float elapsed);
/// rotate the camera left
void rotate_left();
/// rotate the camera right
void rotate_right();
/// rotate the camera up
void rotate_up();
/// rotate the camera down
void rotate_down();
/// switch to next camera mode
void nextmode();
/// camera target
/** The location the camera is looking at */
extern Vector3f target;
/// horizontal viewing angle x/z plane
extern float horiz_angle;
/// vertical viewing angle z/y plane
extern float vert_angle;
/// distance from the camera to the target
/** The distance in game units from the eye of the camera to the target */
extern float distance;
};
#endif // __INCLUDED_CAMERA_H__
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