forked from 0ad/0ad
72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
|
//***********************************************************
|
||
|
//
|
||
|
// Name: Vector3D.H
|
||
|
// Last Update: 28/1/02
|
||
|
// Author: Poya Manouchehri
|
||
|
//
|
||
|
// Description: Provides an interface for a vector in R3 and
|
||
|
// allows vector and scalar operations on it
|
||
|
//
|
||
|
//***********************************************************
|
||
|
|
||
|
#ifndef VECTOR3D_H
|
||
|
#define VECTOR3D_H
|
||
|
|
||
|
#include <math.h>
|
||
|
#include "MathUtil.h"
|
||
|
#include "Types.h"
|
||
|
|
||
|
class CVector3D
|
||
|
{
|
||
|
public:
|
||
|
float X, Y, Z;
|
||
|
|
||
|
public:
|
||
|
CVector3D ();
|
||
|
CVector3D (float x, float y, float z);
|
||
|
|
||
|
int operator == (const CVector3D &vector) const ;
|
||
|
int operator != (const CVector3D &vector) const ;
|
||
|
int operator ! () const ;
|
||
|
|
||
|
float& operator[](int index) { return *((&X)+index); }
|
||
|
const float& operator[](int index) const { return *((&X)+index); }
|
||
|
|
||
|
//vector addition
|
||
|
CVector3D operator + (const CVector3D &vector) const ;
|
||
|
//vector addition/assignment
|
||
|
CVector3D &operator += (const CVector3D &vector);
|
||
|
|
||
|
//vector subtraction
|
||
|
CVector3D operator - (const CVector3D &vector) const ;
|
||
|
//vector subtraction/assignment
|
||
|
CVector3D &operator -= (const CVector3D &vector);
|
||
|
|
||
|
//scalar multiplication
|
||
|
CVector3D operator * (float value) const ;
|
||
|
//scalar multiplication/assignment
|
||
|
CVector3D& operator *= (float value);
|
||
|
|
||
|
// negation
|
||
|
CVector3D operator-() const;
|
||
|
|
||
|
public:
|
||
|
void Set (float x, float y, float z);
|
||
|
void Clear ();
|
||
|
|
||
|
//Dot product
|
||
|
float Dot (const CVector3D &vector) const;
|
||
|
//Cross product
|
||
|
CVector3D Cross (const CVector3D &vector) const;
|
||
|
|
||
|
//Returns length of the vector
|
||
|
float GetLength () const;
|
||
|
void Normalize ();
|
||
|
|
||
|
//Returns a color which describes the vector
|
||
|
SColor4ub ConvertToColor (float alpha_factor) const;
|
||
|
};
|
||
|
|
||
|
|
||
|
#endif
|