Examples with Position spacesettlers.utilities.Position used on opensource projects

Example 31 with Position

use of spacesettlers.utilities.Position in project spacesettlers by amymcgovern.

the class PacifistHeuristicAsteroidCollectorTeamClient method getAsteroidCollectorAction.

/**
 * Gets the action for the asteroid collecting ship
 * @param space
 * @param ship
 * @return
 */
private AbstractAction getAsteroidCollectorAction(Toroidal2DPhysics space, Ship ship) {
    AbstractAction current = ship.getCurrentAction();
    Position currentPosition = ship.getPosition();
    // aim for a beacon if there isn't enough energy
    if (ship.getEnergy() < 2000) {
        Beacon beacon = pickNearestBeacon(space, ship);
        AbstractAction newAction = null;
        // if there is no beacon, then just skip a turn
        if (beacon == null) {
            newAction = new DoNothingAction();
        } else {
            newAction = new MoveToObjectAction(space, currentPosition, beacon);
        }
        aimingForBase.put(ship.getId(), false);
        return newAction;
    }
    // if the ship has enough resourcesAvailable, take it back to base
    if (ship.getResources().getTotal() > 500) {
        Base base = findNearestBase(space, ship);
        AbstractAction newAction = new MoveToObjectAction(space, currentPosition, base);
        aimingForBase.put(ship.getId(), true);
        return newAction;
    }
    // did we bounce off the base?
    if (ship.getResources().getTotal() == 0 && ship.getEnergy() > 2000 && aimingForBase.containsKey(ship.getId()) && aimingForBase.get(ship.getId())) {
        current = null;
        aimingForBase.put(ship.getId(), false);
    }
    // otherwise aim for the asteroid
    if (current == null || current.isMovementFinished(space)) {
        aimingForBase.put(ship.getId(), false);
        Asteroid asteroid = pickHighestValueNearestFreeAsteroid(space, ship);
        AbstractAction newAction = null;
        /*if (asteroid == null) {
				// there is no asteroid available so collect a beacon
				Beacon beacon = pickNearestBeacon(space, ship);
				// if there is no beacon, then just skip a turn
				if (beacon == null) {
					newAction = new DoNothingAction();
				} else {
					newAction = new MoveToObjectAction(space, currentPosition, beacon);
				}
			} else {
				asteroidToShipMap.put(asteroid.getId(), ship);
				newAction = new MoveToObjectAction(space, currentPosition, asteroid);
			}*/
        if (asteroid != null) {
            asteroidToShipMap.put(asteroid.getId(), ship);
            newAction = new MoveToObjectAction(space, currentPosition, asteroid, asteroid.getPosition().getTranslationalVelocity());
        }
        return newAction;
    }
    return ship.getCurrentAction();
}

Example 32 with Position

use of spacesettlers.utilities.Position in project spacesettlers by amymcgovern.

the class AggressiveHeuristicAsteroidCollectorTeamClient method getAsteroidCollectorAction.

/**
 * Gets the action for the asteroid collecting ship
 * @param space
 * @param ship
 * @return
 */
private AbstractAction getAsteroidCollectorAction(Toroidal2DPhysics space, Ship ship) {
    AbstractAction current = ship.getCurrentAction();
    Position currentPosition = ship.getPosition();
    // aim for a beacon if there isn't enough energy
    if (ship.getEnergy() < 2000) {
        Beacon beacon = pickNearestBeacon(space, ship);
        AbstractAction newAction = null;
        // if there is no beacon, then just skip a turn
        if (beacon == null) {
            newAction = new DoNothingAction();
        } else {
            newAction = new MoveToObjectAction(space, currentPosition, beacon);
        }
        aimingForBase.put(ship.getId(), false);
        goingForCore.put(ship.getId(), false);
        return newAction;
    }
    // if the ship has enough resourcesAvailable, take it back to base
    if (ship.getResources().getTotal() > 500 || ship.getNumCores() > 0) {
        Base base = findNearestBase(space, ship);
        AbstractAction newAction = new MoveToObjectAction(space, currentPosition, base);
        aimingForBase.put(ship.getId(), true);
        goingForCore.put(ship.getId(), false);
        return newAction;
    }
    // did we bounce off the base?
    if (ship.getResources().getTotal() == 0 && ship.getEnergy() > 2000 && aimingForBase.containsKey(ship.getId()) && aimingForBase.get(ship.getId())) {
        current = null;
        aimingForBase.put(ship.getId(), false);
        goingForCore.put(ship.getId(), false);
    }
    // if there is a nearby core, go get it
    AiCore nearbyCore = pickNearestCore(space, ship, 100);
    if (nearbyCore != null) {
        Position newGoal = nearbyCore.getPosition();
        AbstractAction newAction = new MoveToObjectAction(space, currentPosition, nearbyCore);
        aimingForBase.put(ship.getId(), false);
        goingForCore.put(ship.getId(), true);
        return newAction;
    }
    // otherwise aim for the asteroid
    if (current == null || current.isMovementFinished(space)) {
        aimingForBase.put(ship.getId(), false);
        goingForCore.put(ship.getId(), false);
        Asteroid asteroid = pickHighestValueNearestFreeAsteroid(space, ship);
        AbstractAction newAction = null;
        if (asteroid == null) {
            // there is no asteroid available so collect a beacon
            Beacon beacon = pickNearestBeacon(space, ship);
            // if there is no beacon, then just skip a turn
            if (beacon == null) {
                newAction = new DoNothingAction();
            } else {
                newAction = new MoveToObjectAction(space, currentPosition, beacon);
            }
        } else {
            asteroidToShipMap.put(asteroid.getId(), ship);
            newAction = new MoveToObjectAction(space, currentPosition, asteroid, asteroid.getPosition().getTranslationalVelocity());
        }
        return newAction;
    } else {
        return ship.getCurrentAction();
    }
}

Example 33 with Position

use of spacesettlers.utilities.Position in project spacesettlers by amymcgovern.

the class AggressiveHeuristicAsteroidCollectorTeamClient method getWeaponShipAction.

/**
 * Gets the action for the weapons based ship
 * @param space
 * @param ship
 * @return
 */
private AbstractAction getWeaponShipAction(Toroidal2DPhysics space, Ship ship) {
    AbstractAction current = ship.getCurrentAction();
    Position currentPosition = ship.getPosition();
    // aim for a beacon if there isn't enough energy
    if (ship.getEnergy() < 2000) {
        Beacon beacon = pickNearestBeacon(space, ship);
        AbstractAction newAction = null;
        // if there is no beacon, then just skip a turn
        if (beacon == null) {
            newAction = new DoNothingAction();
        } else {
            newAction = new MoveToObjectAction(space, currentPosition, beacon);
        }
        aimingForBase.put(ship.getId(), false);
        goingForCore.put(ship.getId(), false);
        return newAction;
    }
    // if the ship has enough resourcesAvailable, take it back to base
    if (ship.getResources().getTotal() > 500 || ship.getNumCores() > 0) {
        Base base = findNearestBase(space, ship);
        AbstractAction newAction = new MoveToObjectAction(space, currentPosition, base);
        aimingForBase.put(ship.getId(), true);
        goingForCore.put(ship.getId(), false);
        return newAction;
    }
    // did we bounce off the base?
    if (ship.getResources().getTotal() == 0 && ship.getEnergy() > 2000 && aimingForBase.containsKey(ship.getId()) && aimingForBase.get(ship.getId())) {
        current = null;
        goingForCore.put(ship.getId(), false);
        aimingForBase.put(ship.getId(), false);
    }
    // if there is a nearby core, go get it
    AiCore nearbyCore = pickNearestCore(space, ship, 100);
    if (nearbyCore != null) {
        Position newGoal = nearbyCore.getPosition();
        AbstractAction newAction = new MoveToObjectAction(space, currentPosition, nearbyCore);
        goingForCore.put(ship.getId(), true);
        aimingForBase.put(ship.getId(), false);
        return newAction;
    }
    // otherwise aim for the nearest enemy ship
    if (current == null || current.isMovementFinished(space)) {
        aimingForBase.put(ship.getId(), false);
        goingForCore.put(ship.getId(), false);
        Ship enemy = pickNearestEnemyShip(space, ship);
        AbstractAction newAction = null;
        if (enemy == null) {
            // there is no enemy available so collect a beacon
            Beacon beacon = pickNearestBeacon(space, ship);
            // if there is no beacon, then just skip a turn
            if (beacon == null) {
                newAction = new DoNothingAction();
            } else {
                newAction = new MoveToObjectAction(space, currentPosition, beacon);
            }
        } else {
            newAction = new MoveToObjectAction(space, currentPosition, enemy, enemy.getPosition().getTranslationalVelocity());
        }
        return newAction;
    } else {
        return ship.getCurrentAction();
    }
}

Example 34 with Position

use of spacesettlers.utilities.Position in project spacesettlers by amymcgovern.

the class CollisionHandler method adjustCentersAtCollision.

/**
 * Adjusts the centers of object1 and object2 so that their
 * collision occurs when they are touching, not overlapping
 *
 * This code is a bug fix and is credited to Troy Southard, Spring 2016.
 *
 * @param object1
 * @param object2
 * @param space
 */
private void adjustCentersAtCollision(AbstractObject object1, AbstractObject object2, Toroidal2DPhysics space) {
    // position reference
    Position pos1 = object1.getPosition();
    Position pos2 = object2.getPosition();
    // x,y positions
    double x1 = pos1.getX();
    double x2 = pos2.getX();
    double y1 = pos1.getY();
    double y2 = pos2.getY();
    // x,y velocities
    // negative because time is being reversed
    double u1 = -pos1.getTranslationalVelocityX();
    double u2 = -pos2.getTranslationalVelocityX();
    double v1 = -pos1.getTranslationalVelocityY();
    double v2 = -pos2.getTranslationalVelocityY();
    // object radii
    double r1 = object1.getRadius();
    double r2 = object2.getRadius();
    // Find when radius1 + radius2 == Distance(object1, object2)
    // ==>
    // Solve[r1 + r2 == Sqrt[((x2 + u2*t)-(x1 + u1*t))^2 + ((y2 + v2*t)-(y1 + v1*t))^2], t]
    // ==>
    // Gives two results for t
    double tPlus = (-2 * u1 * x1 + 2 * u2 * x1 + 2 * u1 * x2 - 2 * u2 * x2 - 2 * v1 * y1 + 2 * v2 * y1 + 2 * v1 * y2 - 2 * v2 * y2 + // +
    Math.sqrt(Math.pow(2 * u1 * x1 - 2 * u2 * x1 - 2 * u1 * x2 + 2 * u2 * x2 + 2 * v1 * y1 - 2 * v2 * y1 - 2 * v1 * y2 + 2 * v2 * y2, 2) - 4 * (Math.pow(u1, 2) - 2 * u1 * u2 + Math.pow(u2, 2) + Math.pow(v1, 2) - 2 * v1 * v2 + Math.pow(v2, 2)) * (Math.pow(x1, 2) + Math.pow(x2, 2) + Math.pow(y1, 2) + Math.pow(y2, 2) - Math.pow(r1, 2) - Math.pow(r2, 2) - 2 * r1 * r2 - 2 * x1 * x2 - 2 * y1 * y2))) / (2 * (Math.pow(u1, 2) - 2 * u1 * u2 + Math.pow(u2, 2) + Math.pow(v1, 2) - 2 * v1 * v2 + Math.pow(v2, 2)));
    double tMinus = (-2 * u1 * x1 + 2 * u2 * x1 + 2 * u1 * x2 - 2 * u2 * x2 - 2 * v1 * y1 + 2 * v2 * y1 + 2 * v1 * y2 - 2 * v2 * y2 - // -
    Math.sqrt(Math.pow(2 * u1 * x1 - 2 * u2 * x1 - 2 * u1 * x2 + 2 * u2 * x2 + 2 * v1 * y1 - 2 * v2 * y1 - 2 * v1 * y2 + 2 * v2 * y2, 2) - 4 * (Math.pow(u1, 2) - 2 * u1 * u2 + Math.pow(u2, 2) + Math.pow(v1, 2) - 2 * v1 * v2 + Math.pow(v2, 2)) * (Math.pow(x1, 2) + Math.pow(x2, 2) + Math.pow(y1, 2) + Math.pow(y2, 2) - Math.pow(r1, 2) - Math.pow(r2, 2) - 2 * r1 * r2 - 2 * x1 * x2 - 2 * y1 * y2))) / (2 * (Math.pow(u1, 2) - 2 * u1 * u2 + Math.pow(u2, 2) + Math.pow(v1, 2) - 2 * v1 * v2 + Math.pow(v2, 2)));
    // determine which solution is correct
    // t must lie between 0 and the length of a simulator time step
    // Amy McGovern: added 2.0 * duration instead of just duration because of double precision issues
    double time = 0;
    // System.out.println("Time adjustment solutions tplus = " + tPlus + " tminus = " + tMinus);
    if (Math.abs(tPlus) < (2.0 * space.getTimestepDuration()))
        time = tPlus;
    else if (Math.abs(tMinus) < (2.0 * space.getTimestepDuration()))
        time = tMinus;
    // System.out.println("time adjustment is " + time);
    // adjusted object centers
    Position adjustedPos1 = translatePosition(space, pos1, -time);
    Position adjustedPos2 = translatePosition(space, pos2, -time);
    // set adjusted object centers
    object1.setPosition(adjustedPos1);
    object2.setPosition(adjustedPos2);
}

Example 35 with Position

use of spacesettlers.utilities.Position in project spacesettlers by amymcgovern.

the class Toroidal2DPhysics method respawnDeadObjects.

/**
 * Respawns any dead objects in new random locations.  Ships
 * have a delay before they can respawn.
 */
public void respawnDeadObjects(Random random, double asteroidMaxVelocity) {
    for (AbstractObject object : allObjects) {
        if (!object.isAlive() && object.canRespawn()) {
            Position newPosition = null;
            // flags should re-spawn at a randomly chosen starting location
            if (object instanceof Flag) {
                Flag flag = (Flag) object;
                newPosition = flag.getNewStartingPosition(random);
                // ensure their starting location is free (to handle the thought bug the class
                // introduced of putting a ship or a base where the flag should spawn)
                newPosition = getRandomFreeLocationInRegion(random, flag.getRadius() * 2, (int) newPosition.getX(), (int) newPosition.getY(), 75);
            } else {
                // note this is time 2 in order to ensure objects don't spawn touching (and just to get
                // them a bit farther apart
                newPosition = getRandomFreeLocation(random, object.getRadius() * 2);
            }
            object.setPosition(newPosition);
            object.setAlive(true);
            object.setDrawable(true);
            // reset the UUID if it is a asteroid or beacon
            if (object instanceof Asteroid || object instanceof Beacon) {
                object.resetId();
            }
            // make moveable asteroids move again when they respawn
            if (object.isMoveable() && !(object instanceof Flag)) {
                Vector2D randomMotion = Vector2D.getRandom(random, asteroidMaxVelocity);
                object.getPosition().setTranslationalVelocity(randomMotion);
            }
        }
    }
}