source: trunk/packages/vizservers/nanovis/NvCamera.h @ 1194

/*
 * ----------------------------------------------------------------------
 * NvCamera.h : NvCamera 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 "Vector3.h"

class NvCamera {

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;

    ~NvCamera();
    NvCamera(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