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(float x, float y) 

Source Link

Document

Constructs a vector with the given components

Usage

From source file:com.indignado.games.smariano.utils.dermetfan.math.GeometryUtils.java

License:Apache License

/**
 * @param floats the float[] to convert to a Vector2[]
 * @return the Vector2[] converted from the given float[]
 *///  w  w w  . j  a  va2 s .c o m
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);

    output = new Vector2[floats.length / 2];

    int fi = -1;
    for (int i = 0; i < output.length; i++)
        output[i] = new Vector2(floats[++fi], floats[++fi]);

    return output;
}

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From source file:com.invader.collide.Loader.java

License:Open Source License

void levelLoader() {
    //Create and load sprites for level
    //Dispose Previously used global vars
    Constants.paused_game = 0;/*from  www .  j ava 2  s.c  o m*/
    Constants.hole.clear();
    Constants.goal.clear();
    Constants.coin.clear();
    Constants.wall.clear();

    //STart initialisation
    Constants.LevelScreen = new Scene();
    Constants.LevelbgAtlas = new BitmapTextureAtlas(Constants.tm, 256, 256, TextureOptions.REPEATING_BILINEAR);
    Constants.background_grass = (TextureRegion) BitmapTextureAtlasTextureRegionFactory
            .createFromAsset(Constants.LevelbgAtlas, Constants.context, "ground.png", 0, 0);
    Constants.background_grass.setTextureHeight(Constants.CAMERA_HEIGHT);
    Constants.background_grass.setTextureWidth(Constants.CAMERA_WIDTH);
    Constants.LevelbgAtlas.load();

    Constants.LevelAtlas = new BitmapTextureAtlas(Constants.tm, 650, 165);
    Constants.comp_sprite_texture = (TiledTextureRegion) BitmapTextureAtlasTextureRegionFactory
            .createTiledFromAsset(Constants.LevelAtlas, Constants.context, "comp_striker.png", 0, 27, 2, 1); //96*48
    Constants.user_sprite_texture = (TiledTextureRegion) BitmapTextureAtlasTextureRegionFactory
            .createTiledFromAsset(Constants.LevelAtlas, Constants.context, "user_striker.png", 54, 27, 2, 1); //96x48
    Constants.hole_sprite_texture = (TiledTextureRegion) BitmapTextureAtlasTextureRegionFactory
            .createTiledFromAsset(Constants.LevelAtlas, Constants.context, "hole.png", 0, 0, 8, 1); //750x50
    Constants.wall_sprite_texture = (TiledTextureRegion) BitmapTextureAtlasTextureRegionFactory
            .createTiledFromAsset(Constants.LevelAtlas, Constants.context, "wall.png", 108, 27, 1, 1);
    Constants.goal_sprite_texture = (TextureRegion) BitmapTextureAtlasTextureRegionFactory
            .createFromAsset(Constants.LevelAtlas, Constants.context, "goal.png", 135, 27);
    Constants.menu_sprite_texture = (TextureRegion) BitmapTextureAtlasTextureRegionFactory
            .createFromAsset(Constants.LevelAtlas, Constants.context, "menu_but.png", 216, 0);
    Constants.pause_sprite_texture = (TextureRegion) BitmapTextureAtlasTextureRegionFactory
            .createFromAsset(Constants.LevelAtlas, Constants.context, "pause_but.png", 270, 0);
    Constants.play_sprite_texture = (TextureRegion) BitmapTextureAtlasTextureRegionFactory
            .createFromAsset(Constants.LevelAtlas, Constants.context, "play_but.png", 324, 0);
    Constants.reset_sprite_texture = (TextureRegion) BitmapTextureAtlasTextureRegionFactory
            .createFromAsset(Constants.LevelAtlas, Constants.context, "reset.png", 459, 0);
    Constants.next_sprite_texture = (TextureRegion) BitmapTextureAtlasTextureRegionFactory
            .createFromAsset(Constants.LevelAtlas, Constants.context, "next_but.png", 514, 0);
    Constants.prev_sprite_texture = (TextureRegion) BitmapTextureAtlasTextureRegionFactory
            .createFromAsset(Constants.LevelAtlas, Constants.context, "prev_but.png", 395, 0);
    Constants.comp_disappear_texture = (TiledTextureRegion) BitmapTextureAtlasTextureRegionFactory
            .createTiledFromAsset(Constants.LevelAtlas, Constants.context, "comp_disappear.png", 0, 108, 12, 1);
    Constants.user_disappear_texture = (TiledTextureRegion) BitmapTextureAtlasTextureRegionFactory
            .createTiledFromAsset(Constants.LevelAtlas, Constants.context, "user_disappear.png", 0, 54, 12, 1);
    Constants.LevelAtlas.load();

    SpriteBackground background_sprite = new SpriteBackground(
            new Sprite(0, 0, Constants.background_grass, Constants.vbom));
    Constants.LevelScreen.setBackground(background_sprite);
    Constants.physicsWorld = new PhysicsWorld(new Vector2(0, 0), false);
    ;
    Constants.physicsWorld.setContactListener(contactListener());
    Constants.Enable_Listener = 1;
    final FixtureDef wallFixtureDef = PhysicsFactory.createFixtureDef(0, 0.5f, 0.5f);
    final Rectangle ground = new Rectangle(-2, Constants.CAMERA_HEIGHT, Constants.CAMERA_WIDTH + 4, 2,
            Constants.vbom);
    final Rectangle roof = new Rectangle(-2, -2, Constants.CAMERA_WIDTH + 4, 2, Constants.vbom);
    final Rectangle left = new Rectangle(-2, -2, 2, Constants.CAMERA_HEIGHT + 4, Constants.vbom);
    final Rectangle right = new Rectangle(Constants.CAMERA_WIDTH, -2, 2, Constants.CAMERA_HEIGHT + 4,
            Constants.vbom);
    Body b_ground = PhysicsFactory.createBoxBody(Constants.physicsWorld, ground, BodyType.StaticBody,
            wallFixtureDef);
    Body b_roof = PhysicsFactory.createBoxBody(Constants.physicsWorld, roof, BodyType.StaticBody,
            wallFixtureDef);
    Body b_left = PhysicsFactory.createBoxBody(Constants.physicsWorld, left, BodyType.StaticBody,
            wallFixtureDef);
    Body b_right = PhysicsFactory.createBoxBody(Constants.physicsWorld, right, BodyType.StaticBody,
            wallFixtureDef);
    b_ground.setUserData("GROUNDWALL");
    b_roof.setUserData("ROOFWALL");
    b_left.setUserData("LEFTWALL");
    b_right.setUserData("RIGHTWALL");
    Constants.LevelScreen.attachChild(ground);
    Constants.LevelScreen.attachChild(roof);
    Constants.LevelScreen.attachChild(left);
    Constants.LevelScreen.attachChild(right);
    Constants.menu = new Sprite(0, 0, Constants.menu_sprite_texture, Constants.vbom);
    Constants.resume = new Sprite(Constants.CAMERA_WIDTH - 54, 0, Constants.play_sprite_texture,
            Constants.vbom);
    Constants.pause = new Sprite(Constants.CAMERA_WIDTH - 54, 0, Constants.pause_sprite_texture,
            Constants.vbom);
    Constants.reset = new Sprite(381, 0, Constants.reset_sprite_texture, Constants.vbom);
    Constants.next = new Sprite(543, 0, Constants.next_sprite_texture, Constants.vbom);
    Constants.prev = new Sprite(219, 0, Constants.prev_sprite_texture, Constants.vbom);
    Constants.pause.setAlpha(0.7f);
    Constants.menu.setAlpha(0.7f);
    Constants.resume.setAlpha(0.7f);
    Constants.reset.setAlpha(0.7f);
    Constants.next.setAlpha(0.7f);
    Constants.prev.setAlpha(0.7f);
    Constants.NO_USER = 0;
    //Load Level
    try {
        Scanner in;
        Log.e("LOADING", String.valueOf(Constants.CUR_LEVEL));
        try {
            in = new Scanner(
                    new InputStreamReader(Constants.context.getAssets().open("level/" + Constants.CUR_LEVEL)));
        } catch (Exception e) {
            in = new Scanner(new InputStreamReader(Constants.context.getAssets().open("level/finallevel")));
        }
        for (int i = 0; i < 20; i++)
            for (int j = 0; j < 30; j++) {
                String inp = in.next();
                if (inp.compareTo("enemy") == 0)
                    Constants.coin.add(new Coin("COMP", j * 27, 24 * i, false));
                else if (inp.compareTo("user") == 0) {
                    Constants.coin.add(new Coin("USER", j * 27, 24 * i, false));
                    Constants.NO_USER++;
                } else if (inp.compareTo("wall") == 0)
                    Constants.wall.add(new Wall(j * 27, 24 * i));
                else if (inp.compareTo("hole") == 0)
                    Constants.hole.add(new Hole(j * 27, i * 24));
                else if (inp.compareTo("goal") == 0)
                    Constants.goal.add(new Goal(j * 27, i * 24));
                else if (inp.compareTo("stat") == 0)
                    Constants.coin.add(new Coin("COMP", j * 27, 24 * i, true));

                //Log.e("READ",inp+" "+i+" "+j);      
            }

    } catch (IOException e1) {
        e1.printStackTrace();

    }
    Constants.LevelScreen.attachChild(Constants.menu);
    Constants.LevelScreen.attachChild(Constants.pause);
    Constants.LevelScreen.attachChild(Constants.prev);
    Constants.LevelScreen.attachChild(Constants.next);
    Constants.LevelScreen.attachChild(Constants.reset);
    Constants.resume.setVisible(false);
    if (Constants.CUR_LEVEL == Constants.getLevel())
        Constants.next.setVisible(false);
    if (Constants.CUR_LEVEL == 0)
        Constants.prev.setVisible(false);
    Constants.LevelScreen.attachChild(Constants.resume);
    Constants.load_inprogress = 2;
}

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From source file:com.jemge.box2d.Physics2D.java

License:Apache License

@Override
public void init() {
    worlds = new HashMap<String, World>(1);
    worlds.put("main", new World(new Vector2(0, -20f), true));
}

---

From source file:com.jmolina.orb.elements.LinearMagnetic.java

License:Open Source License

/**
 * Punto de inicio del segmento.//w  ww  .j a  va  2 s. co m
 */
private Vector2 getStart() {
    float startX = getPosition().x + 0.5f * getWidth() * MathUtils.cosDeg(180 + getRotation());
    float startY = getPosition().y + 0.5f * getWidth() * MathUtils.sinDeg(180 + getRotation());

    return new Vector2(startX, startY);
}

---

From source file:com.jmolina.orb.elements.LinearMagnetic.java

License:Open Source License

/**
 * Punto de fin del segmento./*from  ww w.j a va2  s .co m*/
 */
private Vector2 getEnd() {
    float endX = getPosition().x + 0.5f * getWidth() * MathUtils.cosDeg(getRotation());
    float endY = getPosition().y + 0.5f * getWidth() * MathUtils.sinDeg(getRotation());

    return new Vector2(endX, endY);
}

---

From source file:com.jmolina.orb.elements.LinearMagnetic.java

License:Open Source License

/**
 * Devuelve la fuerza que ejerce este elemento sobre un punto dado.
 *
 * La fuerza es cero si la proyeccin del punto sobre el eje del elemento cae fuera del segmento
 * del elemento./*from w ww .  ja v a 2s. c  om*/
 *
 * @param point Punto expresado en unidades del mundo
 */
@Override
public Vector2 getForce(Vector2 point) {
    Vector2 force = new Vector2(0, 0);

    if (closeRange(point)) {
        if (insideField(point)) {
            float factor = MAX_FORCE * (getThreshold() - distanceLine(point)) / getThreshold();
            force.set(Utils.normal(getSegment()));
            force.scl(factor);

            if (getPolarity() == Polarity.REPULSIVE)
                force.scl(-1);
        }
    }

    return force;
}

---

From source file:com.jmolina.orb.elements.RadialMagnetic.java

License:Open Source License

/**
 * Devuelve la fuerza que ejerce este elemento sobre un punto dado.
 * <p>/*from   www. j  a v  a2  s.c om*/
 * La frmula de la atraccin est simplificada:
 * - Slo depende de la inversa de la distancia, siempre que el punto haya sobrepasado el umbral.
 * - Slo se computan los centroides (i.e. no se atrae el Orb si su centroide no cae dentro del
 * campo de actuacin).
 *
 * @param point Punto expresado en unidades del mundo
 */
@Override
public Vector2 getForce(Vector2 point) {
    Vector2 force = new Vector2(0, 0);

    if (belowThreshold(point)) {
        float factor = MAX_FORCE * (getThreshold() - distance(point)) / getThreshold();
        Vector2 direction = getPosition().sub(point).nor();
        force.set(direction).scl(factor);

        if (getPolarity() == Polarity.REPULSIVE)
            force.scl(-1);
    }

    return force;
}

---

From source file:com.jmolina.orb.elements.WorldElement.java

License:Open Source License

/**
 * Crea un tringulo equiltero de lado {@link #width}. El parmetro {@link #height} se ignora.
 * El punto de origen es su centroide (punto de cruce de las 3 alturas).
 *///from  w  ww . j  a  v a  2 s  . c  o m
private Shape triangle() {
    Vector2[] points = new Vector2[3];
    points[0] = new Vector2(-0.5f * width, -width * MathUtils.sinDeg(60) / 3);
    points[1] = new Vector2(0.5f * width, -width * MathUtils.sinDeg(60) / 3);
    points[2] = new Vector2(0, width * MathUtils.sinDeg(60) / 3 * 2);

    PolygonShape shape = new PolygonShape();
    shape.set(points);

    return shape;
}

---

From source file:com.jmolina.orb.elements.WorldElement.java

License:Open Source License

/**
 * Devuelve la posicion actual del elemento
 *///from  w ww .  java 2s  .c  om
public Vector2 getPosition() {
    return new Vector2(getBody().getPosition().x, getBody().getPosition().y);
}

---

From source file:com.jmolina.orb.screens.Level.java

License:Open Source License

/**
 * Calcula las fuerzas de atraccin y repulsin activas sobre el orbe y las aplica.
 *///from  w w w  . j  a  v a  2s  .c  om
private void computeMagneticFoces() {
    Vector2 force = new Vector2(0, 0);

    for (Situation situation : situationManager.getVisible()) {
        for (Element element : situation.getElements()) {
            if (element instanceof Magnetic) {
                Vector2 partial = ((Magnetic) element).getForce(getOrb().getPosition());
                force.add(partial);
            }
        }
    }

    getOrb().getBody().applyLinearImpulse(force, getOrb().getPosition(), true);
}

---

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