Android Open Source - MovingPolygons Delta Point

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The source code is released under:

GNU General Public License

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Java Source Code

// Moving Polygons Live Wallpaper
// Copyright (C) 2013
///*from  w w  w .ja v a 2 s .  c  o  m*/
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <>.

public class DeltaPoint {
  private int xCoordinate;
  private int yCoordinate;
  private int deltaX;
  private int deltaY;

  public DeltaPoint(int startingXCoordinate, int startingYCoordinate, int startingDeltaX, int startingDeltaY) {
    xCoordinate = startingXCoordinate;
    yCoordinate = startingYCoordinate;
    deltaX = startingDeltaX;
    deltaY = startingDeltaY;

  public int getXCoordinate() {
    return xCoordinate;

  public int getYCoordinate() {
    return yCoordinate;

  public int getDeltaX() {
    return deltaX;

  public int getDeltaY() {
    return deltaY;

  public void setCoordinates(int newXCoordinate, int newYCoordinate) {
    xCoordinate = newXCoordinate;
    yCoordinate = newYCoordinate;

  public void changeDeltaXDirection() {
    deltaX *= -1;

  public void changeDeltaYDirection() {
    deltaY *= -1;

Java Source Code List