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

Example 36 with Position

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

the class Toroidal2DPhysics method getRandomFreeLocationInRegion.

/**
 * Returns a new random free location inside the specified box of space
 *
 * @param rand Random number generator
 * @return
 */
public Position getRandomFreeLocationInRegion(Random rand, int freeRadius, int ULX, int ULY, int LRX, int LRY) {
    int boxWidth = LRX - ULX;
    int boxHeight = LRY - ULY;
    // System.out.println("Making a random location inside UL (x,y) " + ULX + ", " + ULY +
    // " to LR (x,y) " + LRY + ", " + LRY);
    Position centerPosition = new Position(boxWidth / 2 + ULX, boxHeight / 2 + ULY);
    // System.out.println("Center position is " + centerPosition);
    double newX = ((2 * rand.nextDouble()) - 1) * (boxWidth / 2.0) + centerPosition.getX();
    double newY = ((2 * rand.nextDouble()) - 1) * (boxHeight / 2.0) + centerPosition.getY();
    Position randLocation = new Position(newX, newY);
    toroidalWrap(randLocation);
    while (!isLocationFree(randLocation, freeRadius)) {
        newX = ((2 * rand.nextDouble()) - 1) * (boxWidth / 2.0) + centerPosition.getX();
        newY = ((2 * rand.nextDouble()) - 1) * (boxHeight / 2.0) + centerPosition.getY();
        randLocation = new Position(newX, newY);
        toroidalWrap(randLocation);
    }
    // System.out.println("random location chosen is " + randLocation);
    return randLocation;
}

Example 37 with Position

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

the class Toroidal2DPhysics method getRandomFreeLocationInRegion.

/**
 * Returns a new random free location in space
 *
 * @param rand Random number generator
 * @param freeRadius the radius around the object that must be free
 * @return
 */
public Position getRandomFreeLocationInRegion(Random rand, int freeRadius, int centerX, int centerY, double maxDistance) {
    Position centerPosition = new Position(centerX, centerY);
    double newX = ((2 * rand.nextDouble()) - 1) * maxDistance + centerX;
    double newY = ((2 * rand.nextDouble()) - 1) * maxDistance + centerY;
    Position randLocation = new Position(newX, newY);
    toroidalWrap(randLocation);
    while (!isLocationFree(randLocation, freeRadius) || findShortestDistance(centerPosition, randLocation) > maxDistance) {
        newX = ((2 * rand.nextDouble()) - 1) * maxDistance + centerX;
        newY = ((2 * rand.nextDouble()) - 1) * maxDistance + centerY;
        randLocation = new Position(newX, newY);
        toroidalWrap(randLocation);
    }
    return randLocation;
}

Example 38 with Position

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

the class TestMoveAction method testpdControlMoveToGoal.

/**
 * Test moving to the goal
 *
 * (40, 40)
 * 			(50,50)
 * (40, 60)
 *
 * @throws SpaceSettlersActionException
 */
@Test
public void testpdControlMoveToGoal() throws SpaceSettlersActionException {
    // first to -3pi/4
    Position currentLoc = new Position(50, 50);
    Position goalLoc = new Position(40, 40);
    currentLoc.setOrientation(-(3 * Math.PI) / 4);
    moveAction = new MoveAction();
    Vector2D accel = moveAction.pdControlMoveToGoal(space, goalLoc, currentLoc, targetVelocity);
    Movement movement = new Movement();
    while (accel.getMagnitude() > MoveAction.TARGET_REACHED_ACCEL) {
        movement.setTranslationalAcceleration(accel);
        currentLoc = space.applyMovement(currentLoc, movement, timestep);
        accel = moveAction.pdControlMoveToGoal(space, goalLoc, currentLoc, targetVelocity);
    }
    assertEquals(currentLoc.getOrientation(), -(3 * Math.PI) / 4, 0.01);
    assertEquals(currentLoc.getX(), 40, 0.05);
    assertEquals(currentLoc.getY(), 40, 0.05);
    // then to 3pi/4
    currentLoc = new Position(50, 50);
    currentLoc.setOrientation(0);
    goalLoc = new Position(40, 60);
    currentLoc.setOrientation((3 * Math.PI) / 4);
    accel = moveAction.pdControlMoveToGoal(space, goalLoc, currentLoc, targetVelocity);
    while (accel.getMagnitude() > MoveAction.TARGET_REACHED_ACCEL) {
        movement.setTranslationalAcceleration(accel);
        currentLoc = space.applyMovement(currentLoc, movement, timestep);
        accel = moveAction.pdControlMoveToGoal(space, goalLoc, currentLoc, targetVelocity);
    }
    assertEquals(currentLoc.getOrientation(), (3 * Math.PI) / 4, 0.01);
    assertEquals(currentLoc.getX(), 40, 0.05);
    assertEquals(currentLoc.getY(), 60, 0.05);
}

Example 39 with Position

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

the class TestMoveAction method testpdControlMoveToAlongX.

/**
 * Test moving to the goal
 *
 * (30, 50) 	(50,50)  (70, 50)
 *
 * @throws SpaceSettlersActionException
 */
@Test
public void testpdControlMoveToAlongX() throws SpaceSettlersActionException {
    // first positive x (60,50)
    Position currentLoc = new Position(50, 50);
    Position goalLoc = new Position(70, 50);
    currentLoc.setOrientation(0);
    moveAction = new MoveAction();
    Vector2D accel = moveAction.pdControlMoveToGoal(space, goalLoc, currentLoc, targetVelocity);
    Movement movement = new Movement();
    while (accel.getMagnitude() > MoveAction.TARGET_REACHED_ACCEL) {
        movement.setTranslationalAcceleration(accel);
        currentLoc = space.applyMovement(currentLoc, movement, timestep);
        accel = moveAction.pdControlMoveToGoal(space, goalLoc, currentLoc, targetVelocity);
    }
    assertEquals(currentLoc.getOrientation(), 0, 0.01);
    assertEquals(currentLoc.getX(), 70, 0.05);
    assertEquals(currentLoc.getY(), 50, 0.05);
    // then to the negative x
    currentLoc = new Position(50, 50);
    currentLoc.setOrientation(0);
    goalLoc = new Position(30, 50);
    currentLoc.setOrientation(-Math.PI);
    accel = moveAction.pdControlMoveToGoal(space, goalLoc, currentLoc, targetVelocity);
    while (accel.getMagnitude() > MoveAction.TARGET_REACHED_ACCEL) {
        movement.setTranslationalAcceleration(accel);
        currentLoc = space.applyMovement(currentLoc, movement, timestep);
        accel = moveAction.pdControlMoveToGoal(space, goalLoc, currentLoc, targetVelocity);
    }
    assertEquals(currentLoc.getOrientation(), -Math.PI, 0.01);
    assertEquals(currentLoc.getX(), 30, 0.05);
    assertEquals(currentLoc.getY(), 50, 0.05);
}

Example 40 with Position

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

the class TestMoveAction method testpdControlOrientToGoal.

/**
 * Test orienting in both directions
 *
 * (40, 40)
 * 			(50,50)
 * (40, 60)
 *
 * @throws SpaceSettlersActionException
 */
@Test
public void testpdControlOrientToGoal() throws SpaceSettlersActionException {
    // first to -3pi/4
    Position currentLoc = new Position(50, 50);
    Position goalLoc = new Position(40, 40);
    moveAction = new MoveAction();
    double accel = moveAction.pdControlOrientToGoal(space, goalLoc, currentLoc, 0);
    Movement movement = new Movement();
    while (Math.abs(accel) > MoveAction.TARGET_REACHED_ACCEL) {
        movement.setAngularAccleration(accel);
        currentLoc = space.applyMovement(currentLoc, movement, timestep);
        accel = moveAction.pdControlOrientToGoal(space, goalLoc, currentLoc, 0);
    }
    assertEquals(currentLoc.getOrientation(), -(3 * Math.PI) / 4, 0.01);
    // then to 3pi/4
    currentLoc = new Position(50, 50);
    currentLoc.setOrientation(0);
    goalLoc = new Position(40, 60);
    accel = moveAction.pdControlOrientToGoal(space, goalLoc, currentLoc, 0);
    movement = new Movement();
    while (Math.abs(accel) > MoveAction.TARGET_REACHED_ACCEL) {
        movement.setAngularAccleration(accel);
        currentLoc = space.applyMovement(currentLoc, movement, timestep);
        accel = moveAction.pdControlOrientToGoal(space, goalLoc, currentLoc, 0);
    }
    assertEquals(currentLoc.getOrientation(), (3 * Math.PI) / 4, 0.01);
}