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49 lines
1.2 KiB
49 lines
1.2 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 shared.model.Bearing;
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import java.util.Observable;
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/**
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* Command class for upwind and downwind controls
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*/
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public class WindCommand extends ObserverCommand {
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private int direction;
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/**
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* Constructor for class
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* @param race race context
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* @param boat boat controlled by command
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* @param upwind if true, downwind if false
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*/
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public WindCommand(MockRace race, MockBoat boat, boolean upwind) {
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super(race, boat);
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race.addAngularCommand(this);
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this.direction = upwind? -1 : 1;
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}
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@Override
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public void execute() {
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boat.setAutoVMG(false);
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double wind = race.getWindDirection().degrees();
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double heading = boat.getBearing().degrees();
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double offset = 3.0;
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offset *= direction;
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double headWindDelta = wind - heading;
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if ((headWindDelta < 0) || (headWindDelta > 180)) offset *= -1;
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boat.setBearing(Bearing.fromDegrees(heading + offset));
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}
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@Override
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public void update(Observable o, Object arg) {
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race.deleteObserver(this);
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}
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}
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