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// Stuart Reges handout #25
// 11/28/05
//
// This class is a minor variation of the chapter 8 Point class that keeps
// track of how many times each Point has been translated.
//
// A Point object represents an ordered pair of 2D coordinates (x, y).
public class Point {
private int x; // x-coordinate
private int y; // y-coordinate
private int translateCount; // # of times this Point has been translated
// Constructs a Point object at the origin, (0, 0).
public Point() {
this(0, 0);
}
// Constructs a Point object with the given x and y coordinates.
public Point(int x, int y) {
this.setLocation(x, y);
this.translateCount = 0;
}
// Returns the x-coordinate of this Point.
public int getX() {
return this.x;
}
// Returns the y-coordinate of this Point.
public int getY() {
return this.y;
}
// Sets this Point's x/y coordinates to the given values.
public void setLocation(int x, int y) {
this.x = x;
this.y = y;
}
// Returns a String representation of this Point object.
public String toString() {
return "(" + this.x + ", " + this.y + ")";
}
// Shifts the position of this Point object by the given amount
// in each direction.
public void translate(int dx, int dy) {
this.setLocation(this.x + dx, this.y + dy);
this.translateCount++;
}
// Returns a count of the number of times translate has been called for
// this Point.
public int getTranslateCount() {
return this.translateCount;
}
}
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