Example usage for com.badlogic.gdx.math Vector2 Vector2

Introduction

In this page you can find the example usage for com.badlogic.gdx.math Vector2 Vector2.

Prototype

public Vector2() 

Source Link

Document

Constructs a new vector at (0,0)

Usage

From source file:com.dongbat.game.util.factory.UnitFactory.java

/**
 * Create unit and add to artemis world/*from  w  w  w .j  a v  a 2s  .c o m*/
 *
 * @param world artemis world
 * @param unitType type of unit in String
 * @param position spawn position
 * @param args optional arguments
 * @return Unit that was just created
 */
public static Entity createUnit(World world, String unitType, Vector2 position, Object... args) {
    Entity e = world.createEntity(UUID.randomUUID());

    UnitInfo unitInfo = get(unitType);
    setUnitData(world, e, args);

    CollisionComponent collision = new CollisionComponent();

    Stats stats = new Stats();
    stats.setBaseRateSpeed(unitInfo.getBaseSpeedRate());

    Physics physics = new Physics();
    e.edit().add(physics);
    physics.setBody(
            PhysicsUtil.createBody(PhysicsUtil.getPhysicsWorld(world), position, unitInfo.getRadius(), e));
    physics.getBody().setUserData(UuidUtil.getUuid(e));
    UnitMovement movement = new UnitMovement();
    movement.setDirectionVelocity(new Vector2());

    AiControl aiControl = new AiControl(unitInfo.getDefinitionPath());
    Display display = new Display();
    e.edit().add(new BuffComponent()).add(aiControl).add(new Player()).add(new Detection()).add(stats)
            .add(movement).add(display).add(collision);

    display.setPosition(PhysicsUtil.getPosition(world, e));
    display.setRadius(PhysicsUtil.getRadius(world, e));
    display.setRotation(EntityUtil.getComponent(world, e, UnitMovement.class).getDirectionVelocity().angle());
    display.setDefaultAnimation(AnimationUtil.getUnitAnimation());
    BuffUtil.addBuff(world, e, e, "FeedSmaller", -1, 1);

    return e;
}

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From source file:com.dongbat.game.util.PlaneMathCalculator.java

public static Vector2 giaiPtBacNhat2An(float a1, float b1, float c1, float a2, float b2, float c2) {
    float d = a1 * b2 - b1 * a2;
    float dX = c1 * b2 - b1 * c2;
    float dY = a1 * c2 - c1 * a2;
    if (d == 0) {
        //vo nghiem hoac vo so nghiem, ma ke no
        return null;
    }//from ww  w.  ja  v a2  s.  co  m
    Vector2 newVector = new Vector2();
    if (d != 0) {
        newVector.x = dX / d;
        newVector.y = dY / d;
    }
    return newVector;
}

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From source file:com.dongbat.invasion.enemy.tasks.BossFindTargetTask.java

@Override
public void run(Entity enemy) {
    Enemy enemyComponent = EntityUtil.getComponent(enemy, Enemy.class);
    Vector2 position = PhysicsUtil.getPosition(enemy);

    Vector2 target = new Vector2();
    target.y = position.y;// w  w w . ja  v  a  2 s . co  m

    if (position.x >= Constants.ENEMY.BOSS_RIGHT_INTENT_X) {
        enemyComponent.setTurnedAround(true);
    } else if (position.x <= Constants.ENEMY.BOSS_LEFT_INTENT_X) {
        enemyComponent.setTurnedAround(false);
    }

    target.x = enemyComponent.hasTurnedAround() ? Constants.ENEMY.BOSS_LEFT_INTENT_X
            : Constants.ENEMY.BOSS_RIGHT_INTENT_X;

    MovementUtil.setTarget(enemy, target);
    success();
}

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From source file:com.dongbat.invasion.system.EnemyMovementSystem.java

@Override
protected void process(Entity entity) {
    Delay delay = delayMapper.get(entity);
    if (delay != null && delay.getDuration() > 0) {
        long timePassed = TimeUtil.getGameTimeSince(delay.getStartTime());
        if (timePassed <= delay.getDuration()) {
            return;
        }/*from w ww . ja  v  a 2s .c  om*/
    }

    //    Vector2 prevVelocity = PhysicsUtil.getVelocity(entity).cpy();
    Vector2 position = PhysicsUtil.getPosition(entity);
    EnemyMovement movement = EntityUtil.getComponent(entity, EnemyMovement.class);
    PhysicsUtil.setVelocity(entity, new Vector2());
    Vector2 intent = movement.getIntent().cpy();
    Vector2 travel;
    MovementUtil.moveEnemyTo(entity, intent);
    // TODO check free enemy
    intent.y = position.y;
    // TODO free movement unit use moveTo
    Vector2 distance = intent.cpy().sub(position);
    travel = PhysicsUtil.getVelocity(entity).cpy().scl(world.delta);
    if (travel.dot(distance) > 0 && travel.len2() - distance.len2() > 0) {
        PhysicsUtil.setPosition(entity, intent);
        PhysicsUtil.setVelocity(entity, new Vector2());
    }

    if (TimeUtil.getGameTimeSince(movement.getStartDrag()) >= movement.getDragDuration()) {
        movement.setDraggedTo(null);
    }

    if (movement.getDraggedTo() == null) {
        return;
    }

    float max = movement.getDraggedTo().cpy().sub(movement.getDraggedFrom()).len2();
    float actual = position.cpy().sub(movement.getDraggedFrom()).len2();
    if (actual >= max) {
        return;
    }

    Vector2 drag = movement.getDraggedTo().cpy().sub(position);
    float dragLen2 = drag.len2();
    if (dragLen2 > movement.getDragForce() * movement.getDragForce()) {
        drag.nor().scl(movement.getDragForce());
    }
    PhysicsUtil.applyImpulseOnEnemy(entity, drag);

    // TODO fix this similar to above
    travel = PhysicsUtil.getVelocity(entity).cpy().scl(world.delta);
    if (travel.sub(drag).len2() <= Constants.GAME.EPSILON_SQUARED) {
        PhysicsUtil.setPosition(entity, movement.getDraggedTo());
        PhysicsUtil.applyImpulseOnEnemy(entity, drag.scl(-1));
    }
}

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From source file:com.ethereal.rm.game.objects.AbstractGameObject.java

public AbstractGameObject() {
    position = new Vector2();
    dimension = new Vector2(1, 1);
    origin = new Vector2();
    scale = new Vector2(1, 1);
    rotation = 0;/*from w  w  w.j  av  a2s  .  c  om*/

}

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From source file:com.evoluzion.Organismo.java

License:Open Source License

public Organismo(Genoma adn, Vector2 posicion, StringBuffer nombre, Mundo m) {

    this.m = m;//from  w w w . java 2 s .com

    fechaNacimiento = "" + m.minutos2 + ":" + m.segundos;

    aObjetos = new Array<Vector2>();
    aPredadores = new Array<Vector2>();

    this.adn = adn;
    this.posicion = posicion;
    this.nombre = nombre;

    direccion = new Vector2();
    borde = new Rectangle();

    translate();

    segundos = 0;
    setTime();
    setEdad();
    setDelta();

    identificador = new String(Identificar(m));

    if (capacidad <= 0) {
        capacidad = 1;
        morir();
    }

    //System.out.println("identificador"+identificador);

}

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From source file:com.evoluzion.Qenergia.java

License:Open Source License

public Qenergia(Vector2 posicion, boolean mover, Mundo m) {

    this.m = m;/*from   w w  w. j a va2  s  . c om*/
    masa = m.Qbiomasa;
    this.posicion = posicion;
    direccion = new Vector2();

    ancho = ancho / m.zoom;
    alto = alto / m.zoom;

    speed = 30;
    borde = new Rectangle();

    borde.height = alto;
    borde.width = ancho;

    borde.x = posicion.x;
    borde.y = posicion.y;

    if (mover == true) {
        direccion.y = -1;
    }
    direccion.x = 0;

    imagen = new Sprite(m.textuRA_ENER.getRegions().get(1));
    imagen.setPosition(this.posicion.x, this.posicion.y);
    imagen.setSize(ancho, alto);

}

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From source file:com.evoluzion.Senergia.java

License:Open Source License

public Senergia(Vector2 posicion, Mundo m) {

    this.m = m;// w  ww .  j a va2  s.  com
    energia = m.Senergia;
    this.posicion = posicion;
    direccion = new Vector2();

    ancho = ancho / m.zoom;
    alto = alto / m.zoom;

    speed = 30;
    borde = new Rectangle();

    borde.height = alto;
    borde.width = ancho;

    borde.x = posicion.x;
    borde.y = posicion.y;

    direccion.y = -1;
    direccion.x = 0;

    imagen = new Sprite(m.textuRA_ENER.getRegions().get(0));
    imagen.setPosition(this.posicion.x, this.posicion.y);
    imagen.setSize(ancho, alto);

}

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From source file:com.flatfisk.gnomp.math.GeometryUtils.java

License:Apache License

/**
 * @param floats the float[] to convert to a Vector2[]
 * @return the Vector2[] converted from the given float[]
 *///from  ww  w.  j a  va 2 s . c om
public static Vector2[] toVector2Array(float[] floats, Vector2[] output) {
    if (floats.length % 2 != 0)
        throw new IllegalArgumentException(
                "the float array's length is not dividable by two, so it won't make up a Vector2 array: "
                        + floats.length);

    if (output == null || output.length != floats.length / 2) {
        output = new Vector2[floats.length / 2];
        for (int i = 0; i < output.length; i++)
            output[i] = new Vector2();
    }

    for (int i = 0, fi = -1; i < output.length; i++)
        output[i].set(floats[++fi], floats[++fi]);

    return output;
}

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From source file:com.gamejolt.mikykr5.ceidecpong.ecs.entities.PongEntityInitializer.java

License:Open Source License

@Override
public void setLoadableAssets(PooledEngine engine) throws IllegalStateException {
    if (!entitiesCreated)
        throw new IllegalStateException("Entities have not been created before setting assets.");

    // Some variables used to initialize the ball.
    Vector2 randomVector = new Vector2().set(Vector2.X).setAngle(MathUtils.random(-60, 60));
    int randomSign = MathUtils.random(-1, 1) >= 0 ? 1 : -1;

    // Fetch the assets.
    TextureAtlas atlas = loader.getAsset("data/gfx/textures/pong_atlas.atlas", TextureAtlas.class);
    Texture bckg = loader.getAsset("data/gfx/textures/bckg.png", Texture.class);

    // Add the sound effects to the entities.
    Mappers.soundMapper.get(victorySound).path = "data/sfx/oh_yeah_wav_cut.ogg";
    Mappers.soundMapper.get(defeatSound).path = "data/sfx/atari_boom.ogg";

    // Set up the background.
    Mappers.spriteMapper.get(background).sprite = new Sprite(bckg);
    Mappers.positionMapper.get(background).setXY(-(ProjectConstants.FB_WIDTH / 2.0f),
            -(ProjectConstants.FB_HEIGHT / 2.0f));

    // Set up the ball.
    Mappers.spriteMapper.get(ball).sprite = atlas.createSprite("ball");
    Mappers.positionMapper.get(ball).setXY(-(Mappers.spriteMapper.get(ball).sprite.getWidth() / 2),
            -(Mappers.spriteMapper.get(ball).sprite.getHeight() / 2));
    Mappers.velocityMapper.get(ball).setXY(randomVector.x * 475.0f * randomSign,
            randomVector.y * 475.0f * randomSign);
    Mappers.bboxMapper.get(ball).bbox.set(Mappers.spriteMapper.get(ball).sprite.getBoundingRectangle());
    Mappers.soundMapper.get(ball).path = "data/sfx/BounceYoFrankie.ogg";

    // Set up the human player.
    Mappers.spriteMapper.get(paddleUser).sprite = atlas.createSprite("glasspaddle2");
    Mappers.positionMapper.get(paddleUser).setXY(-(ProjectConstants.FB_WIDTH / 2) + 100,
            -(Mappers.spriteMapper.get(paddleUser).sprite.getHeight() / 2));
    Mappers.bboxMapper.get(paddleUser).bbox
            .set(Mappers.spriteMapper.get(paddleUser).sprite.getBoundingRectangle());
    Mappers.playerMapper.get(paddleUser).id = PlayerComponent.HUMAN_PLAYER;

    // Set up the computer player.
    Mappers.spriteMapper.get(paddleComp).sprite = atlas.createSprite("paddle");
    Mappers.positionMapper.get(paddleComp)
            .setXY(((ProjectConstants.FB_WIDTH / 2) - 1) - 100
                    - Mappers.spriteMapper.get(paddleComp).sprite.getWidth(),
                    -(Mappers.spriteMapper.get(paddleComp).sprite.getHeight() / 2));
    Mappers.bboxMapper.get(paddleComp).bbox
            .set(Mappers.spriteMapper.get(paddleComp).sprite.getBoundingRectangle());
    Mappers.playerMapper.get(paddleComp).id = PlayerComponent.COMPUTER_PLAYER;

    // Release the assets loader instance and mark the flag.
    AsyncAssetLoader.freeInstance();//from w w  w . ja  va  2  s.  c  o m
    assetsLoaded = true;
}

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