/Users/craigcornelius/Projects/SPRING Mac Release 0.2/camera.h

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// $Id: camera.h,v 1.5 2005/08/31 19:37:55 hawaii Exp $
// $Copyright: (c)2001 National Biocomputation Center, Stanford University $

#ifndef Camera_H
#define Camera_H

#include <stdio.h>
#include "point3d.h"


class Camera {
public:
    int debug;
    float zoom;
    double rotation[16];
    Point3D trans;
    float eyez;
    float near_z; 
    float far_z;

    float min_z;
    float max_z;
    float pan_increment;
    float rotate_increment;
    
    void Init();
    Camera();
    void SetNearClippingPlane(float near_z_in);
    void SetFarClippingPlane(float far_z_in);
};

inline Camera::Camera()
{ Init(); }

inline void Camera::Init() { 
    debug = 0;
    zoom = 1.0; 
    for (int i = 0; i < 16; i++) rotation[i] = 0.0;
    rotation[0] = rotation[5] = rotation[10] = rotation[15] = 1.0;
    trans = Point3D(0,0,0);
    eyez = 0.0; 

    min_z = 0.01;
    max_z = 1000.0;
    near_z = min_z; 
    far_z = max_z;
    pan_increment = 1.0; 
    rotate_increment = 10.0;
}


inline void Camera::SetNearClippingPlane(float near_z_in)
{ 
    if (near_z_in > min_z) near_z = near_z_in; 
    if (debug) cerr << "Camera::near_z = " << near_z << endl;
}

inline void Camera::SetFarClippingPlane(float far_z_in)
{
    if (far_z_in > min_z) far_z = far_z_in; 
    if (debug) cerr << "Camera::far_z = " << far_z << endl;
}

#endif

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