com.badlogic.gdx.math.Circle Java Examples

The following examples show how to use com.badlogic.gdx.math.Circle. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: BoundsSystem.java    From Entitas-Java with MIT License 6 votes vote down vote up 
@Override
public void execute(float deltatime) {
    CoreEntity ball = _context.getBallEntity();
    Circle ballShape = (Circle) ball.getView().shape;
    Motion motion = ball.getMotion();

    for (CoreEntity e : _groupPlayer.getEntities()) {
        Player player = e.getPlayer();
        Score score = e.getScore();

        if (ballShape.x + ballShape.radius <= -(WIDTH / 2) && player.id == Player.ID.PLAYER2)
            restart(ballShape, motion, score);

        if (ballShape.x - ballShape.radius >= (WIDTH / 2) && player.id == Player.ID.PLAYER1)
            restart(ballShape, motion, score);

    }

}
Example #2
Source File: ContactSystem.java    From Entitas-Java with MIT License 6 votes vote down vote up 
@Override
public void execute(float deltatime) {
    CoreEntity ball = _context.getBallEntity();
    Circle ballShape = (Circle) ball.getView().shape;
    Motion ballMotion = ball.getMotion();

    if (ballShape.y - ballShape.radius <= -(Pong.SCREEN_HEIGHT / 2)) {
        ballShape.setY(-(Pong.SCREEN_HEIGHT / 2) + ballShape.radius);
        ballMotion.velocity.y = -(ballMotion.velocity.y + 10);
        ballMotion.velocity.x = ballMotion.velocity.x + 10;
    }

    if (ballShape.y + ballShape.radius >= (Pong.SCREEN_HEIGHT / 2)) {
        ballShape.setY((Pong.SCREEN_HEIGHT / 2) - ballShape.radius);
        ballMotion.velocity.y = -(ballMotion.velocity.y + 10);
        ballMotion.velocity.x = ballMotion.velocity.x + 10;
    }


    for (CoreEntity e : _group.getEntities()) {
        View view = e.getView();
        circleRectCollision(ballShape, (Rectangle) view.shape, ballMotion);
    }

}
Example #3
Source File: MoveSystem.java    From Entitas-Java with MIT License 6 votes vote down vote up 
@Override
public void execute(float deltatime) {
    for (CoreEntity e : _group.getEntities()) {
        Motion motion = e.getMotion();
        View view = e.getView();

        if (view.shape instanceof Rectangle) {
            Rectangle ret = (Rectangle) view.shape;
            ret.setPosition(ret.x + motion.velocity.x * Gdx.graphics.getDeltaTime(),
                    ret.y + motion.velocity.y * Gdx.graphics.getDeltaTime());
        } else {
            Circle circle = (Circle) view.shape;
            circle.setPosition(circle.x + motion.velocity.x * Gdx.graphics.getDeltaTime()
                    , circle.y + motion.velocity.y * Gdx.graphics.getDeltaTime());
        }
    }
}
Example #4
Source File: RectangleCircleCollisionScreen.java    From ud406 with MIT License 6 votes vote down vote up 
private boolean areColliding(Rectangle rectangle, Circle circle) {

        // TODO: Complete this function!

        boolean containsACorner = circle.contains(rectangle.x, rectangle.y) || // Bottom left
                circle.contains(rectangle.x + rectangle.width, rectangle.y) || // Bottom right
                circle.contains(rectangle.x + rectangle.width, rectangle.y + rectangle.height) || // Top Right
                circle.contains(rectangle.x, rectangle.y + rectangle.height); // Top left

        boolean inHorizontalInterval = rectangle.x < circle.x && circle.x < rectangle.x + rectangle.width;
        boolean inVerticalInterval = rectangle.y < circle.y && circle.y < rectangle.y + rectangle.height;

        boolean inHorizontalNeighborhood = rectangle.x - circle.radius < circle.x && circle.x < rectangle.x + rectangle.width + circle.radius;
        boolean inVerticalNeighborhood = rectangle.y - circle.radius < circle.y && circle.y < rectangle.y + rectangle.height + circle.radius;

        boolean touchingAnEdge = inHorizontalInterval && inVerticalNeighborhood ||
                inHorizontalNeighborhood && inVerticalInterval;

        return containsACorner || touchingAnEdge;
    }
Example #5
Source File: ContactSystem.java    From Entitas-Java with MIT License 5 votes vote down vote up 
public void circleRectCollision(Circle circle, Rectangle rectangle, Motion ballMotion) {
    temp.set(circle.x - circle.radius, circle.y + circle.radius, circle.radius * 2, circle.radius * 2);

    if (temp.overlaps(rectangle)) {
        if (ballMotion.velocity.x <= 0) circle.setX(rectangle.x + rectangle.width + circle.radius);
        if (ballMotion.velocity.x >= 0) circle.setX(rectangle.x - rectangle.width + circle.radius);
        ballMotion.velocity.x = (float) -(ballMotion.velocity.x * 1.05);
        ballMotion.velocity.y = (float) (ballMotion.velocity.y * 1.05);

    }

}
Example #6
Source File: PongState.java    From Entitas-Java with MIT License 5 votes vote down vote up 
@Override
public void initialize() {
    // Input
    Camera camera = engine.getManager(BaseSceneManager.class).getDefaultCamera();
    Batch batch = engine.getManager(BaseSceneManager.class).getBatch();
    BitmapFont font = engine.getManager(BaseGUIManager.class).getDefaultFont();
    context.core.createEntity()
            .addBall(false)
            .addView(new Circle(0, 0, 8))
            .addMotion(MathUtils.clamp(1, 230, 300), 300);

    context.core.createEntity()
            .addPlayer(Player.ID.PLAYER1)
            .addScore("Player 1: ", 180, 470)
            .addView(new Rectangle(-350, 0, Pong.PLAYER_WIDTH, Pong.PLAYER_HEIGHT))
            .addMotion(0, 0);

    context.core.createEntity()
            .addPlayer(Player.ID.PLAYER2)
            .addScore("Player 2: ", 480, 470)
            .addView(new Rectangle(350, 0, Pong.PLAYER_WIDTH, Pong.PLAYER_HEIGHT))
            .addMotion(0, 0);

    systems.add(new InputSystem(context.core))
            .add(new ContactSystem(context.core))
            .add(new BoundsSystem(context.core))
            .add(new MoveSystem(context.core))
            .add(new RendererSystem(context.core, engine.sr, camera, batch, font));
}
Example #7
Source File: WorldBodyUtils.java    From killingspree with MIT License 5 votes vote down vote up 
public WorldBodyUtils(WorldManager worldManager) {
    circle = new Circle();
    this.worldManager = worldManager;
    entities = new ArrayList<ServerEntity>();
    audio = worldManager.audio;
    this.world = worldManager.getWorld();
    tempPlayerPosition = new Vector2();
}
Example #8
Source File: BoundsSystem.java    From Entitas-Java with MIT License 4 votes vote down vote up 
private void restart(Circle ballShape, Motion ballMotion, Score score) {
    score.points += 10;
    ballShape.setPosition(0, 0);
    ballMotion.velocity.set(MathUtils.clamp(1, 230, 300), 300);
    ballMotion.velocity.x *= -1;
}
Example #9
Source File: OscillatingCircle.java    From ud406 with MIT License 4 votes vote down vote up 
public Circle getCurrentCircle(float elapsedTime) {
    float x = originX + magnitude * MathUtils.cos(angle) * MathUtils.sin(MathUtils.PI2 * elapsedTime / period);
    float y = originY + magnitude * MathUtils.sin(angle) * MathUtils.sin(MathUtils.PI2 * elapsedTime / period);
    return new Circle(x, y, radius);
}
Example #10
Source File: OscillatingCircle.java    From ud406 with MIT License 4 votes vote down vote up 
public Circle getCurrentCircle(float elapsedTime) {
    float x = originX + magnitude * MathUtils.cos(angle) * MathUtils.sin(MathUtils.PI2 * elapsedTime / period);
    float y = originY + magnitude * MathUtils.sin(angle) * MathUtils.sin(MathUtils.PI2 * elapsedTime / period);
    return new Circle(x, y, radius);
}
Example #11
Source File: RectangleCircleCollisionScreen.java    From ud406 with MIT License 2 votes vote down vote up 
private boolean areColliding(Rectangle rectangle, Circle circle) {

        // TODO: Complete this function!

        return false;
    }