source: trunk/vizservers/nanovis/Vector3.h @ 827

/*
 * ----------------------------------------------------------------------
 * Vector3.h : Vector class with 3 components
 *
 * ======================================================================
 *  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 _VECTOR3_H_
#define _VECTOR3_H_

class Mat4x4;

class Vector3{

public:
        float x, y, z;
        Vector3(float _x, float _y, float _z);
        Vector3();

        Vector3 operator +(Vector3 &op2);       
        Vector3 operator -(Vector3 &op2);
        bool equal(Vector3 &op2);
        //float operator *(Vector3 &op2);       //dot product
        float operator *(Vector3 &op2);         //dot product
        Vector3 operator *(float op2);    //mul per component
        Vector3 operator /(float op2);    //mul per component
        void operator <(Vector3 &op2);    //assign      
        Vector3 operator ^(Vector3 &op2); //cross product
        Vector3 normalize();
        Vector3 rot_x(float degree);      //rotation about x
        Vector3 rot_y(float degree);      //rotation about y
        Vector3 rot_z(float degree);      //rotation about z
        void set(float newx, float newy, float newz);
        void print();
        float distance(Vector3 &another) const; //compute distance
        float distanceSquare(Vector3 &another) const;   //compute distance
        float distanceSquare(float vx, float vy, float vz) const;       //compute distance

        //fast version
        Vector3 cross(Vector3 op2);

    float dot(const Vector3& vec) const;

    void transform(const Vector3& vec, const Mat4x4& mat);
    float length() const;
};

#endif