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61 lines
2.0 KiB
61 lines
2.0 KiB
package mock.model.commandFactory;
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import mock.model.MockBoat;
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import mock.model.MockRace;
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import mock.model.VMG;
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import shared.model.Bearing;
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/**
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* Command class for tacking and gybing
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*/
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public class TackGybeCommand implements Command {
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private MockRace race;
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private MockBoat boat;
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/**
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* Constructor for class
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* @param race mock race
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* @param boat mock boat to update
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*/
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public TackGybeCommand(MockRace race, MockBoat boat) {
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this.race = race;
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this.boat = boat;
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}
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//The refactoring of MockRace will require changes to be made
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@Override
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public void execute() {
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/*if(boat.getBearing().degrees()>180){
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boat.setBearing(Bearing.fromDegrees(360 - race.getWindDirection().degrees()));
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} else {
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boat.setBearing(Bearing.fromDegrees(race.getWindDirection().degrees()));
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}*/
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/*double angle = Math.max(race.getWindDirection().degrees(), boat.getBearing().degrees()) - Math.min(race.getWindDirection().degrees(), boat.getBearing().degrees());
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boat.setBearing(Bearing.fromDegrees(angle));*/
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double boatAngle = boat.getBearing().degrees();
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double windAngle =race.getWindDirection().degrees();
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double differenceAngle = calcDistance(boatAngle, windAngle);
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double angleA = windAngle + differenceAngle;
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double angleB = windAngle - differenceAngle;
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if(angleA % 360 == boatAngle){
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boat.setBearing(Bearing.fromDegrees(angleB));
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} else {
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boat.setBearing(Bearing.fromDegrees(angleA));
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}
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}
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/**
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* Method to calculate smallest angle between 2 angles
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* @param degreeA first angle degree
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* @param degreeB second angle degree
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* @return the calculated smallest angle
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*/
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public double calcDistance(double degreeA, double degreeB){
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double phi = Math.abs(degreeB - degreeA) % 360;
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double distance = phi > 180 ? 360 - phi : phi;
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return distance;
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}
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}
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