/* This file is part of Wattzap Community Edition. * * Wattzap Community Edtion 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. * * Wattzap Community Edition 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 Wattzap. If not, see <http://www.gnu.org/licenses/>. */ package com.wattzap.model.power; /** * (c) 2013 David George / Wattzap.com * * * @author David George * @date 11 June 2013 */ @PowerAnnotation public class TacxBlueMaticTwist extends Power { private final double[] slope = { 2.97, 4.81, 6.43, 8.08, 9.73, 11.35, 13.67 }; private final double[] intercept = { -3, -26.5, -36, -47.5, -59, -68.5, -100 }; public int getPower(double speed, int resistance) { int power = (int) ((speed * slope[resistance]) + intercept[resistance]); if (power < 0) { return 0; } return power; } public double getSpeed(int power, int resistance) { resistance--; double speed = (power - intercept[resistance]) / slope[resistance]; if (speed < 0) { return 0; } return speed; } @Override public int getResitanceLevels() { return slope.length; } public String toString() { return "Tacx Blue Twist / Blue Matic"; } }