78 lines
1.9 KiB
C++
78 lines
1.9 KiB
C++
/***********************************************************************
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* Source File:
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* Point : The representation of a position on the screen
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* Author:
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* Br. Helfrich
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* Summary:
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* Everything we need to know about a location on the screen, including
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* the location and the bounds.
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************************************************************************/
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#include "point.h"
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#include <cassert>
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#include "uiDraw.h"
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using namespace std;
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/******************************************
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* POINT : CONSTRUCTOR WITH X,Y
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* Initialize the point to the passed position
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*****************************************/
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Point::Point(float x, float y) : x(0.0), y(0.0)
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{
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setX(x);
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setY(y);
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}
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/*******************************************
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* POINT : SET X
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* Set the x position if the value is within range
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*******************************************/
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void Point::setX(float x)
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{
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this->x = x;
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}
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/*******************************************
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* POINT : SET Y
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* Set the y position if the value is within range
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*******************************************/
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void Point::setY(float y)
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{
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this->y = y;
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}
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/******************************************
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* POINT insertion
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* Display coordinates on the screen
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*****************************************/
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std::ostream & operator << (std::ostream & out, const Point & pt)
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{
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out << "(" << pt.getX() << ", " << pt.getY() << ")";
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return out;
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}
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/*******************************************
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* POINT extraction
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* Prompt for coordinates
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******************************************/
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std::istream & operator >> (std::istream & in, Point & pt)
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{
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float x;
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float y;
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in >> x >> y;
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pt.setX(x);
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pt.setY(y);
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return in;
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}
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bool Point::inRange( const Point &p, const float range )
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{
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if ( ( fabs( getX() - p.getX() ) < range) &&
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( fabs( getY() - p.getY() ) < range ) )
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{
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return true;
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}
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return false;
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}
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