#include "2dvector.h"

#include <math.h>

#include <iostream.h>



#define PI 3.141592654



float costable[360];

float sintable[360];



void InitTables()

{

	float temp;	



	for( int i = 0; i<360; i++ )

	{

		temp = ((float)(360-i))/180;

		temp *= PI;



		costable[i] = (float)cos( temp );

		sintable[i] = (float)sin( temp );

	}

}



C2DVector::C2DVector()

{

	x = 0;

	y = 0;

	angle = 0;

	length = 0;

}



C2DVector::C2DVector( long Xin, long Yin )

{

	x = Xin;

	y = Yin;

	angle = -1;

	length = sqrt( Xin*Xin + Yin*Yin );

}



C2DVector::~C2DVector()

{

}



void C2DVector::SetX( long Xin )

{

	x = Xin;

}



void C2DVector::SetY( long Yin )

{

	y = Yin;

}



void C2DVector::SetLength( long Lin )

{

	length = Lin;



	x = costable[angle]*length;

	y = sintable[angle]*length;

}



void C2DVector::SetAngle( int Ain )

{

	angle = Ain;



	x = costable[angle]*length;

	y = sintable[angle]*length;

}



long C2DVector::GetX()

{

	return x;

}



long C2DVector::GetY()

{

	return y;

}



long C2DVector::GetLength()

{

	return length;

}



int C2DVector::GetAngle()

{

	return angle;

}



void C2DVector::operator =(C2DVector aVector)

{

	x = aVector.x;

	y = aVector.y;

	length = aVector.length;

	angle = aVector.angle;

}