walker.ino

/**
  Copyright (c) 2016 by Nicholas R. Ustick <nick@stoicprogrammer.com>

  This file is part of arduino-cube-3x3x3.

  arduino-cube-3x3x3 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.

  arduino-cube-3x3x3 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 arduino-cube-3x3x3 .  If not, see <http://www.gnu.org/licenses/>.
*/

Walker::Walker(unsigned long rate) : Animation(rate) {
  startingPixel(0, 0, 0);
  setName("Walker");
}

void Walker::startingPixel(int x, int y, int z) {
  _x = x;  _y = y;  _z = z;
  DATA[x][y][z] = true;
}

boolean Walker::update() {
  if (isTimeup() ) {
    int x = _x, y = _y, z = _z;
    moveToNextPixel();
    DATA[_x][_y][_z] = true;
    DATA[x][y][z] = false;

    if (_x == 0 && _y == 0 && _z == 0 ) {
      finished(true);
    }
  }
  return true;
}

void Walker::moveToNextPixel() {
  _x = incrementValue(_x, CUBE_SIZE);

  if (_x == 0 ) {
    _y = incrementValue(_y, CUBE_SIZE);
  }

  if (_x == 0 && _y == 0 ) {
    _z = incrementValue(_z, CUBE_SIZE);
  }
}