Point.java

gehe zur Dokumentation dieser Datei

package de.lathanda.eos.base.math;
 
import java.text.MessageFormat;
 
public class Point {
 
    protected double x;
    protected double y;
 
    public Point(double x, double y) {
        this.x = x;
        this.y = y;
    }
 
    public Point(Vector v) {
        this.x = v.getdx();
        this.y = v.getdy();
    }
 
    public Point(Point p) {
        this.x = p.getX();
        this.y = p.getY();
    }
    public void scale(double factor) {
        x *= factor;
        y *= factor;
    }
    public double getX() {
        return x;
    }
 
    public double getY() {
        return y;
    }
    public void setX(double x) {
            this.x = x;
    }
    public void setY(double y) {
            this.y = y;
    }
    public double getDistance(Point b) {
        return getDistance(b.getX(), b.getY());
    }
 
    public double getDistance(double x, double y) {
        return Math.sqrt((x - this.x) * (x - this.x) + (y - this.y) * (y - this.y));
    }
    public void negateX() {
        x = -x;
    }
    public void negateY() {
        y = -y;
    }
    
    public double getPhi() {
    double phi = Math.atan(y/x);
    if (x < 0) {
            return phi + Math.PI;
    } else {
            return phi;
        }
    }
    public double getR() {
        return Math.sqrt(x*x+y*y);
    }
    public void move(double dX, double dY) {
        x += dX;
        y += dY;
    }
 
    public void move(Vector v) {
        x += v.getdx();
        y += v.getdy();
    }
 
    public void moveTo(double x, double y) {
        this.x = x;
        this.y = y;
    }
 
    public void moveTo(Point p) {
        this.x = p.getX();
        this.y = p.getY();
    }
 
    @Override
    public String toString() {
        return MessageFormat.format("({0,number,#.00}|{1,number,#.00})",
                new Object[]{x, y});
    }
}