/*
* $Id$
* This file is a part of the Arakhne Foundation Classes, http://www.arakhne.org/afc
*
* Copyright (c) 2000-2012 Stephane GALLAND.
* Copyright (c) 2005-10, Multiagent Team, Laboratoire Systemes et Transports,
* Universite de Technologie de Belfort-Montbeliard.
* Copyright (c) 2013-2016 The original authors, and other authors.
*
* 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.
*/
package org.arakhne.afc.math.geometry.d2.i;
import org.eclipse.xtext.xbase.lib.Pure;
import org.arakhne.afc.math.geometry.d2.GeomFactory2D;
import org.arakhne.afc.math.geometry.d2.Point2D;
import org.arakhne.afc.math.geometry.d2.Tuple2D;
import org.arakhne.afc.math.geometry.d2.UnmodifiablePoint2D;
import org.arakhne.afc.math.geometry.d2.Vector2D;
import org.arakhne.afc.vmutil.asserts.AssertMessages;
/** 2D Point with 2 integer numbers.
*
* @author $Author: sgalland$
* @version $FullVersion$
* @mavengroupid $GroupId$
* @mavenartifactid $ArtifactId$
* @since 13.0
*/
public class Point2i extends Tuple2i<Point2i> implements Point2D<Point2i, Vector2i> {
private static final long serialVersionUID = -4977158382149954525L;
/** Construct a zero point.
*/
public Point2i() {
//
}
/** Constructor by copy.
* @param tuple is the tuple to copy.
*/
public Point2i(Tuple2D<?> tuple) {
super(tuple);
}
/** Constructor by copy.
* @param tuple is the tuple to copy.
*/
public Point2i(int[] tuple) {
super(tuple);
}
/** Constructor by copy.
* @param tuple is the tuple to copy.
*/
public Point2i(double[] tuple) {
super(tuple);
}
/** Construct a point with the given coordinates.
* @param x x coordinate.
* @param y y coordinate.
*/
public Point2i(int x, int y) {
super(x, y);
}
/** Construct a point with the given coordinates.
* @param x x coordinate.
* @param y y coordinate.
*/
public Point2i(float x, float y) {
super(x, y);
}
/** Construct a point with the given coordinates.
* @param x x coordinate.
* @param y y coordinate.
*/
public Point2i(double x, double y) {
super(x, y);
}
/** Construct a point with the given coordinates.
* @param x x coordinate.
* @param y y coordinate.
*/
public Point2i(long x, long y) {
super(x, y);
}
@Pure
@Override
public double getDistanceSquared(Point2D<?, ?> point) {
assert point != null : AssertMessages.notNullParameter();
final double dx = this.x - point.getX();
final double dy = this.y - point.getY();
return dx * dx + dy * dy;
}
@Pure
@Override
public double getDistance(Point2D<?, ?> point) {
assert point != null : AssertMessages.notNullParameter();
final double dx = this.x - point.getX();
final double dy = this.y - point.getY();
return Math.sqrt(dx * dx + dy * dy);
}
@Pure
@Override
public double getDistanceL1(Point2D<?, ?> point) {
assert point != null : AssertMessages.notNullParameter();
return Math.abs(this.x - point.getX()) + Math.abs(this.y - point.getY());
}
@Pure
@Override
public double getDistanceLinf(Point2D<?, ?> point) {
assert point != null : AssertMessages.notNullParameter();
return Math.max(Math.abs(this.x - point.getX()), Math.abs(this.y - point.getY()));
}
@Pure
@Override
public int getIdistanceL1(Point2D<?, ?> point) {
assert point != null : AssertMessages.notNullParameter();
return (int) Math.round(getDistanceL1(point));
}
@Pure
@Override
public int getIdistanceLinf(Point2D<?, ?> point) {
assert point != null : AssertMessages.notNullParameter();
return (int) Math.round(getDistanceLinf(point));
}
@Override
public void add(Point2D<?, ?> point, Vector2D<?, ?> vector) {
assert point != null : AssertMessages.notNullParameter(0);
assert vector != null : AssertMessages.notNullParameter(1);
this.x = (int) Math.round(point.getX() + vector.getX());
this.y = (int) Math.round(point.getY() + vector.getY());
}
@Override
public void add(Vector2D<?, ?> vector, Point2D<?, ?> point) {
assert point != null : AssertMessages.notNullParameter(1);
assert vector != null : AssertMessages.notNullParameter(0);
this.x = (int) Math.round(vector.getX() + point.getX());
this.y = (int) Math.round(vector.getY() + point.getY());
}
@Override
public void add(Vector2D<?, ?> vector) {
assert vector != null : AssertMessages.notNullParameter();
this.x = (int) Math.round(this.x + vector.getX());
this.y = (int) Math.round(this.y + vector.getY());
}
@Override
public void scaleAdd(int scale, Vector2D<?, ?> vector, Point2D<?, ?> point) {
assert point != null : AssertMessages.notNullParameter(2);
assert vector != null : AssertMessages.notNullParameter(1);
this.x = (int) Math.round(scale * vector.getX() + point.getX());
this.y = (int) Math.round(scale * vector.getY() + point.getY());
}
@Override
public void scaleAdd(double scale, Vector2D<?, ?> vector, Point2D<?, ?> point) {
assert point != null : AssertMessages.notNullParameter(2);
assert vector != null : AssertMessages.notNullParameter(1);
this.x = (int) Math.round(scale * vector.getX() + point.getX());
this.y = (int) Math.round(scale * vector.getY() + point.getY());
}
@Override
public void scaleAdd(int scale, Point2D<?, ?> point, Vector2D<?, ?> vector) {
assert point != null : AssertMessages.notNullParameter(1);
assert vector != null : AssertMessages.notNullParameter(2);
this.x = (int) Math.round(scale * point.getX() + vector.getX());
this.y = (int) Math.round(scale * point.getY() + vector.getY());
}
@Override
public void scaleAdd(double scale, Point2D<?, ?> point, Vector2D<?, ?> vector) {
assert point != null : AssertMessages.notNullParameter(1);
assert vector != null : AssertMessages.notNullParameter(2);
this.x = (int) Math.round(scale * point.getX() + vector.getX());
this.y = (int) Math.round(scale * point.getY() + vector.getY());
}
@Override
public void scaleAdd(int scale, Vector2D<?, ?> vector) {
assert vector != null : AssertMessages.notNullParameter(1);
this.x = (int) Math.round(scale * this.x + vector.getX());
this.y = (int) Math.round(scale * this.y + vector.getY());
}
@Override
public void scaleAdd(double scale, Vector2D<?, ?> vector) {
assert vector != null : AssertMessages.notNullParameter(1);
this.x = (int) Math.round(scale * this.x + vector.getX());
this.y = (int) Math.round(scale * this.y + vector.getY());
}
@Override
public void sub(Point2D<?, ?> point, Vector2D<?, ?> vector) {
assert point != null : AssertMessages.notNullParameter(0);
assert vector != null : AssertMessages.notNullParameter(1);
this.x = (int) Math.round(point.getX() - vector.getX());
this.y = (int) Math.round(point.getY() - vector.getY());
}
@Override
public void sub(Vector2D<?, ?> vector) {
assert vector != null : AssertMessages.notNullParameter();
this.x = (int) Math.round(this.x - vector.getX());
this.y = (int) Math.round(this.y - vector.getY());
}
@Override
public GeomFactory2i getGeomFactory() {
return GeomFactory2i.SINGLETON;
}
@Pure
@Override
public UnmodifiablePoint2D<Point2i, Vector2i> toUnmodifiable() {
return new UnmodifiablePoint2D<Point2i, Vector2i>() {
private static final long serialVersionUID = -4844158582025788289L;
@Override
public GeomFactory2D<Vector2i, Point2i> getGeomFactory() {
return Point2i.this.getGeomFactory();
}
@Override
@SuppressWarnings("checkstyle:superclone")
public Point2i clone() {
return Point2i.this.getGeomFactory().newPoint(
Point2i.this.ix(),
Point2i.this.iy());
}
@Override
public double getX() {
return Point2i.this.getX();
}
@Override
public int ix() {
return Point2i.this.ix();
}
@Override
public double getY() {
return Point2i.this.getY();
}
@Override
public int iy() {
return Point2i.this.iy();
}
};
}
}