//
// point2d.cc
//
// A point in 2d space
//
// Copyright (C) J. Belson	1998.11.30
//


#include "point2d.h"


/**
 * Constructor
 */
point2d::point2d(float xx, float yy, float d)
{
	x = xx;
	y = yy;
	depth = d;
}


/**
 * Return coordinates of this point
 */
void point2d::get(float *xx, float *yy, float *d) const
{
	*xx = x;
	*yy = y;
	*d = depth;
}


/**
 * Set coordinates of this point
 */
void point2d::set(float xx, float yy, float d)
{
	x = xx;
	y = yy;
	depth = d;
}


/**
 * Set colour of this point
 */
void point2d::set_colour(uint8 red, uint8 green, uint8 blue)
{
	col.r = red/255.0;
	col.g = green/255.0;
	col.b = blue/255.0;
}


/**
 * Get colour of this point
 */
fcolour point2d::get_colour(void) const
{
	return col;
}


/**
 * Apply scaling factor to this point
 */
point2d point2d::operator*(double f)
{
	point2d p(x*f, y*f, depth);
	
	return p;
}


/**
 * Subtract vector from this point
 */
vector2d point2d::operator-(const point2d& p) const
{
	vector2d v(x - p.x, y - p.y);
	
	return v;
}


/**
 * Write specified point coordinates to a stream.
 * @param str	stream to write to
 * @param p	point to operate on
 */
std::ostream& operator<<(std::ostream& str, const point2d& p)
{
	//str << std::setprecision(4);
	str << "(" << p.x << ", " << p.y << ", " << p.depth << ")";

	return str;
}