Examples with Vector2D spacesettlers.utilities.Vector2D used on opensource projects

Example 11 with Vector2D

use of spacesettlers.utilities.Vector2D in project spacesettlers by amymcgovern.

the class TestCollisionHandler method testElasticCollisionsAsteroidsMoveableToMoveableOnX.

@Test
public void testElasticCollisionsAsteroidsMoveableToMoveableOnX() {
    Asteroid asteroid1, asteroid2;
    Position position1 = new Position(0, 0, Math.PI / 4);
    position1.setTranslationalVelocity(new Vector2D(20, 0));
    asteroid1 = new Asteroid(position1, false, 10, true, .33, .33, .34);
    Position position2 = new Position(10, 0, -Math.PI / 4);
    position2.setTranslationalVelocity(new Vector2D(-10, 0));
    asteroid2 = new Asteroid(position2, false, 10, true, .33, .33, .34);
    collisionHandler.collide(asteroid1, asteroid2, space);
    assertEquals(asteroid1.getPosition().getTranslationalVelocityX(), -10, 0.01);
    assertEquals(asteroid1.getPosition().getTranslationalVelocityY(), 0, 0.01);
    assertEquals(asteroid2.getPosition().getTranslationalVelocityX(), 20, 0.01);
    assertEquals(asteroid2.getPosition().getTranslationalVelocityY(), 0, 0.01);
}

Example 12 with Vector2D

use of spacesettlers.utilities.Vector2D in project spacesettlers by amymcgovern.

the class TestToroidal2DPhysics method testfindShortestDistance.

/**
 * Tests points all around the current point
 *
 * (40, 40)			(60, 40)
 *
 * 			(50,50)
 *
 * (40, 60)			(60, 60)
 */
@Test
public void testfindShortestDistance() {
    Position pos2;
    position.setX(50);
    position.setY(50);
    // start with the same location so the vector should be 0,0
    pos2 = new Position(50, 50);
    Vector2D shortestDist = space.findShortestDistanceVector(position, pos2);
    assertEquals(shortestDist.getMagnitude(), 0, 0.01);
    assertEquals(shortestDist.getXValue(), 0, 0.01);
    assertEquals(shortestDist.getYValue(), 0, 0.01);
    assertEquals(shortestDist.getAngle(), 0, 0.01);
    // start in the upper left corner (on the diagram in the comments)
    double expectedMagnitude = Math.sqrt(200);
    pos2.setX(40);
    pos2.setY(40);
    shortestDist = space.findShortestDistanceVector(position, pos2);
    assertEquals(shortestDist.getMagnitude(), expectedMagnitude, 0.01);
    assertEquals(shortestDist.getXValue(), -10, 0.01);
    assertEquals(shortestDist.getYValue(), -10, 0.01);
    assertEquals(shortestDist.getAngle(), -(3 * Math.PI) / 4, 0.01);
    // upper right quadrant
    pos2.setX(60);
    pos2.setY(40);
    shortestDist = space.findShortestDistanceVector(position, pos2);
    assertEquals(shortestDist.getMagnitude(), expectedMagnitude, 0.01);
    assertEquals(shortestDist.getXValue(), 10, 0.01);
    assertEquals(shortestDist.getYValue(), -10, 0.01);
    assertEquals(shortestDist.getAngle(), -(Math.PI / 4), 0.01);
    // lower right quadrant
    pos2.setX(60);
    pos2.setY(60);
    shortestDist = space.findShortestDistanceVector(position, pos2);
    assertEquals(shortestDist.getMagnitude(), expectedMagnitude, 0.01);
    assertEquals(shortestDist.getXValue(), 10, 0.01);
    assertEquals(shortestDist.getYValue(), 10, 0.01);
    assertEquals(shortestDist.getAngle(), Math.PI / 4, 0.01);
    // lower left quadrant
    pos2.setX(40);
    pos2.setY(60);
    shortestDist = space.findShortestDistanceVector(position, pos2);
    assertEquals(shortestDist.getMagnitude(), expectedMagnitude, 0.01);
    assertEquals(shortestDist.getXValue(), -10, 0.01);
    assertEquals(shortestDist.getYValue(), 10, 0.01);
    assertEquals(shortestDist.getAngle(), (3 * Math.PI) / 4, 0.01);
}

Example 13 with Vector2D

use of spacesettlers.utilities.Vector2D in project spacesettlers by amymcgovern.

the class TestToroidal2DPhysics method testApplyOrientationMoveFromStop.

@Test
public void testApplyOrientationMoveFromStop() {
    Movement movement = new Movement();
    double angularAccel = Math.PI / 60.0;
    movement.setAngularAccleration(angularAccel);
    movement.setTranslationalAcceleration(new Vector2D());
    double expectedOrientation = angularAccel;
    Position newPosition = space.applyMovement(position, movement, timestep);
    assertEquals(newPosition.getOrientation(), expectedOrientation, 0.01);
    assertEquals(newPosition.getAngularVelocity(), angularAccel, 0.01);
    assertEquals(newPosition.getX(), 0, 0.0);
    assertEquals(newPosition.getY(), 0, 0.0);
    assertEquals(newPosition.getTotalTranslationalVelocity(), 0, 0);
}

Example 14 with Vector2D

use of spacesettlers.utilities.Vector2D in project spacesettlers by amymcgovern.

the class TestToroidal2DPhysics method testApplyTranslationalMovementVerticalFromStop.

@Test
public void testApplyTranslationalMovementVerticalFromStop() {
    Movement movement = new Movement();
    movement.setAngularAccleration(0);
    movement.setTranslationalAcceleration(new Vector2D(0, 10));
    position.setOrientation(Math.PI / 2);
    double expectedX = 0;
    double expectedY = 10;
    Position newPosition = space.applyMovement(position, movement, timestep);
    assertEquals(newPosition.getX(), expectedX, 0.01);
    assertEquals(newPosition.getY(), expectedY, 0.01);
    assertEquals(newPosition.getOrientation(), Math.PI / 2, 0.01);
    assertEquals(newPosition.getAngularVelocity(), 0, 0.01);
    assertEquals(newPosition.getTranslationalVelocityX(), 0, 0.01);
    assertEquals(newPosition.getTranslationalVelocityY(), 10, 0.01);
}

Example 15 with Vector2D

use of spacesettlers.utilities.Vector2D in project spacesettlers by amymcgovern.

the class TestToroidal2DPhysics method testApplyTranslationalMovementAngledFromStop.

@Test
public void testApplyTranslationalMovementAngledFromStop() {
    Movement movement = new Movement();
    movement.setAngularAccleration(0);
    movement.setTranslationalAcceleration(new Vector2D(10, 10));
    position.setOrientation(Math.PI / 4);
    double expectedX = 10;
    double expectedY = 10;
    Position newPosition = space.applyMovement(position, movement, timestep);
    assertEquals(newPosition.getX(), expectedX, 0.01);
    assertEquals(newPosition.getY(), expectedY, 0.01);
    assertEquals(newPosition.getOrientation(), Math.PI / 4, 0.01);
    assertEquals(newPosition.getAngularVelocity(), 0, 0.01);
    assertEquals(newPosition.getTranslationalVelocityX(), 10, 0.01);
    assertEquals(newPosition.getTranslationalVelocityY(), 10, 0.01);
}