Android Open Source - MovingPolygons Sawtooth Wave

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License

The source code is released under:

GNU General Public License

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Java Source Code

// Moving Polygons Live Wallpaper
// Copyright (C) 2013 LogicallyCreative.org
///*  ww  w  .  ja  v  a 2s  . c om*/
// 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
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// 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 <http://www.gnu.org/licenses/>.
package org.logicallycreative.mplw.managers;

public class SawtoothWave extends ColorManager {
  private int redIncrement = 1;
  private int greenIncrement = 1;
  private int blueIncrement = 1;

  public SawtoothWave(int minimumColorValue, int maximumColorValue) {
    super(minimumColorValue, maximumColorValue);

    super.setRandomColorValues();
  }

  @Override
  public void changeColors() {
    super.currentColor.red += redIncrement;
    if (super.currentColor.red >= super.maximumColorValue) {
      super.currentColor.red = super.maximumColorValue;
      redIncrement *= -1;
    } else if (super.currentColor.red <= super.minimumColorValue) {
      super.currentColor.red = super.minimumColorValue;
      redIncrement *= -1;
    }

    super.currentColor.green += greenIncrement;
    if (super.currentColor.green >= super.maximumColorValue) {
      super.currentColor.green = super.maximumColorValue;
      greenIncrement *= -1;
    } else if (super.currentColor.green <= super.minimumColorValue) {
      super.currentColor.green = super.minimumColorValue;
      greenIncrement *= -1;
    }

    super.currentColor.blue += blueIncrement;
    if (super.currentColor.blue >= super.maximumColorValue) {
      super.currentColor.blue = super.maximumColorValue;
      blueIncrement *= -1;
    } else if (super.currentColor.blue <= super.minimumColorValue) {
      super.currentColor.blue = super.minimumColorValue;
      blueIncrement *= -1;
    }
  }
}

Java Source Code List