#include "dxstdafx.h"
#include ".\plane.h"

Plane::Plane(void)
{
}

Plane::~Plane(void)
{
}

void Plane::setPoint(Vector p) 
{
	this->point = p;
}

void Plane::setPoint(float _x, float _y, float _z) 
{
	this->point.x = _x;
	this->point.y = _y;
	this->point.z = _z;
}

Vector Plane::getPoint() 
{
	return this->point;
}

void Plane::setNormal(Vector &n) 
{
	this->normal = n;
	this->normal.normalize();
}

void Plane::setNormal(float _nx, float _ny, float _nz) 
{
	this->normal.x = _nx;
    this->normal.y = _ny;
	this->normal.z = _nz;
	this->normal.normalize();
}

Vector Plane::getNormal() 
{
	return this->normal;
}

bool Plane::inFront(Vector p) 
{
	Vector diff;
	diff = p - this->point;
	diff.normalize();
	float cosa = diff.dotProd(this->normal);
	if(cosa>=0) 
		return true;
	return false;
}

bool Plane::inFront(float x, float y, float z) 
{
	Vector p;
	p.x = x;
	p.y = y;
	p.z = z;
	return this->inFront(p);
}