source: trunk/vizservers/nanovis/Camera.h @ 828

/*
 * ----------------------------------------------------------------------
 * Camera.h : Camera class
 *
 * ======================================================================
 *  AUTHOR:  Wei Qiao <qiaow@purdue.edu>
 *           Purdue Rendering and Perceptualization Lab (PURPL)
 *
 *  Copyright (c) 2004-2006  Purdue Research Foundation
 *
 *  See the file "license.terms" for information on usage and
 *  redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 * ======================================================================
 */

#ifndef _CAMERA_H_
#define _CAMERA_H_


#include <GL/glu.h>
#include "Vector3.h"

class Camera{

public:
        Vector3 location;       //Location of the camera in the scene
        Vector3 target;         //Location the camera is looking at.
                                //location and target: two points define the line-of-sight      
        Vector3 angle;          //rotation angles of camera along x, y, z
        int width;      //screen size
        int height;     //screen size
    int startX;
    int startY;

        ~Camera();
        Camera(int startx, int starty, int w, int h,
                double loc_x, double loc_y, double loc_z, 
                double target_x, double target_y, double target_z,
                int angle_x, int angle_y, int angle_z);
        void move(double loc_x, double loc_y, double loc_z);    //move location of camera
        void aim(double target_x, double target_y, double target_z); //change target point
        void rotate(double angle_x, double angle_y, double angle_z); //change target point
        void activate();//make the camera setting active, this has to be called before drawing things.
        void set_screen_size(int startx, int starty, int w, int h);
};

#endif