one.empty3.library.Point2D Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of empty3-library-3d Show documentation
3D rendering engine. Plus modeling. Expected glsl textures 3d and 2d rendering
There is a newer version: 2024.5.10
/*
 * Copyright (c) 2023. Manuel Daniel Dahmen
 *
 *
 *    Copyright 2012-2023 Manuel Daniel Dahmen
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

/*
 * 2016 Manuel Dahmen
 */
package one.empty3.library;

import java.awt.*;

public class Point2D {

    public double x;
    public double y;

    public Point2D() {
        super();
    }

    public Point2D(double x, double y) {
        super();
        this.x = x;
        this.y = y;
    }

    public Point2D(Point2D p1) {
        x = p1.getX();
        y = p1.getY();
    }

    public Point2D(java.awt.Point coordonneesPoint2D) {
        x = coordonneesPoint2D.getX();
        y = coordonneesPoint2D.getY();
    }

    public static double dist(Point2D p0, Point2D plus) {
        double xx = p0.x - plus.x;
        double xy = p0.y - plus.y;
        return xx * xx + xy * xy;
    }

    public static Point2D plus(Point2D p1, Point2D p2) {
        Point2D ret = new Point2D(p1);

        ret.x += p2.x;
        ret.y += p2.y;

        return ret;
    }

    public double distance(Point2D p2a) {
        double distance = Math.sqrt((x - p2a.getX()) * (x - p2a.getX()) + (y - p2a.getY()) * (y - p2a.getY()));
        return distance;
    }

    /*__
     * @param p2a
     * @param d
     * @param e
     * @return
     */
    public boolean distanceEntre(Point2D p2a, double d, double e) {
        double distance = Math.sqrt((x - p2a.getX()) * (x - p2a.getX()) + (y - p2a.getY()) * (y - p2a.getY()));
        return distance > d && distance < e;
    }
    public double prodScalaire(Point2D v2) {
        return getX()*v2.getX()+getY()*v2.getY();
    }

    public Point2D prodVect(Point2D v2) {
        return new Point2D(v2.getY() - getX(),   getY() - v2.getX());

    }

    public double getX() {
        return x;
    }

    public void setX(double x) {
        this.x = x;
    }

    public double getY() {
        return y;
    }

    public void setY(double y) {
        this.y = y;
    }

    public Point2D moins(Point2D p) {
        return new Point2D(x - p.x, y - p.y);
    }

    public Point2D mult(double d) {
        return new Point2D(x * d, y * d);
    }

    public double norme() {
        return Math.sqrt(x * x + y * y);
    }

    public Point2D norme1() {
        return mult(1 / norme());
    }

    public Point2D plus(Point2D p) {
        return new Point2D(x + p.x, y + p.y);
    }

    public void setLocation(double x, double y) {
        this.x = x;
        this.y = y;
    }

    public Point3D get3D() {
        return new Point3D(x, y, 0d);
    }

    public double get(int axe) {
        return axe == 0 ? x : (axe == 1 ? y : Double.NaN);
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (!(o instanceof Point2D)) return false;

        Point2D point2D = (Point2D) o;

        if (Double.compare(point2D.getX(), getX()) != 0) return false;
        return Double.compare(point2D.getY(), getY()) == 0;
    }

    @Override
    public int hashCode() {
        int result;
        long temp;
        temp = Double.doubleToLongBits(getX());
        result = (int) (temp ^ (temp >>> 32));
        temp = Double.doubleToLongBits(getY());
        result = 31 * result + (int) (temp ^ (temp >>> 32));
        return result;
    }
    public Point2D mult(Point2D p2) {
        return new Point2D(x*p2.y, y*p2.x);
    }

}