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.dongbat.game.util.factory.UnitFactory.java

public static Entity createQueen(World world, Vector2 position, float radius) {
    Entity e = world.createEntity(UUID.randomUUID());

    Stats stats = new Stats();
    stats.setAllowComsumming(false);//www  . jav a 2s. c  o  m
    stats.setConsumable(true);
    stats.setBaseRateSpeed(2000);

    BuffComponent buff = new BuffComponent();

    Physics physics = new Physics();
    physics.setBody(PhysicsUtil.createBody(PhysicsUtil.getPhysicsWorld(world), position, radius, e));
    physics.getBody().setUserData(UuidUtil.getUuid(e));

    UnitMovement movement = new UnitMovement();

    float posX = (float) (ECSUtil.getRandom(world).getFloat(-1, 1) * scaleX);
    float posY = (float) (ECSUtil.getRandom(world).getFloat(-1, 1) * scaleY);
    movement.setDirectionVelocity(new Vector2(posX, posY));

    Display display = new Display();

    e.edit().add(physics).add(stats).add(new CollisionComponent()).add(buff).add(new Queen())
            .add(new Detection()).add(movement).add(display);

    BuffUtil.addBuff(world, e, e, "QueenTeleportSchedule", -1, 1);
    BuffUtil.addBuff(world, e, e, "ProduceFoodSchedule", -1, 1);
    BuffUtil.addBuff(world, e, e, "FeedSmaller", -1, 1, "feedPerSecond", 0.2f);
    BuffUtil.addBuff(world, e, e, "SelfDefense", -1, 1, "framePerFood", 10);
    BuffUtil.addBuff(world, e, e, "QueenGrowth", -1, 1, "cap", 20);
    display.setPosition(PhysicsUtil.getPosition(world, e));
    display.setRadius(PhysicsUtil.getRadius(world, e));
    display.setRotation(EntityUtil.getComponent(world, e, UnitMovement.class).getDirectionVelocity().angle());
    TextureAtlas queen = AssetUtil.getUnitAtlas().get("queen");
    Animation animation = new Animation(0.1f, queen.getRegions());
    animation.setPlayMode(Animation.PlayMode.LOOP);
    display.setDefaultAnimation(new AnimatedSprite(animation));
    return e;
}

---

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

/**
 * Spawn food to the map of the world/*from  w ww .  j a v a2s. c om*/
 *
 * @param world artemis world
 */
public static void spawnFood(World world) {
    if (reachMaxFood(world) || ECSUtil.getFrame(world) % 1 != 0) {
        return;
    }

    float width = (float) (ECSUtil.getRandom(world).getFloat(0, 1) * scaleX * 2 - scaleX);
    float height = (float) (ECSUtil.getRandom(world).getFloat(0, 1) * scaleY * 2 - scaleY);
    for (int i = 0; i < 1; i++) {
        EntityFactory.createFood(world, new Vector2(width, height), null);
    }

}

---

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

/**
 * Initialize a box2d world and put it into libGdx ObjectMap
 *
 * @param world artemis world//  ww w  .  j  a  v  a2  s. com
 */
public static void init(com.artemis.World world) {
    if (physicsWorldMap.get(world) != null) {
        return;
    }
    World physicsWorld = new World(new Vector2(0, Constants.PHYSICS.DEFAULT_GRAVITY), false);
    physicsWorldMap.put(world, physicsWorld);
    artemisWorldMap.put(physicsWorld, world);

}

---

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

/**
 * Create box2d Edge, use for making world, floor, ...
 *
 * @param world artemis world//from www  .j a v a2 s.co  m
 * @param type Body type
 * @param x1 x start
 * @param y1 x finish
 * @param x2 y start
 * @param y2 y finish
 * @param density densisty of edge
 * @return Edge that was just created
 */
public static Body createEdge(com.artemis.World world, BodyDef.BodyType type, float x1, float y1, float x2,
        float y2, float density) {
    BodyDef def = new BodyDef();
    def.type = type;
    Body box = getPhysicsWorld(world).createBody(def);

    EdgeShape poly = new EdgeShape();
    poly.set(new Vector2(0, 0), new Vector2(x2 - x1, y2 - y1));
    //    box.createFixture(poly, density);
    box.setTransform(x1, y1, 0);
    FixtureDef fixtureDef = new FixtureDef();
    fixtureDef.shape = poly;
    //    fixtureDef.filter.maskBits = 2;
    //    fixtureDef.filter.categoryBits = 2 | 1;
    box.createFixture(fixtureDef);
    //    box.setUserData(new Box2dSteeringEntity(box, true, 0.1f));
    poly.dispose();
    return box;
}

---

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

public static Vector2 getPerpendicularVector(Vector2 oldVector) {
    Vector2 newVector = new Vector2(oldVector.y, -oldVector.x);
    return newVector;
}

---

From source file:com.dongbat.invasion.ability.types.Barrier.java

@Override
public void cast(Entity caster) {
    Vector2 pos = PhysicsUtil.getPosition(caster);
    Enemy enemyCom = EntityUtil.getComponent(caster, Enemy.class);

    Vector2 barrierCenter = new Vector2(0, 0);
    barrierCenter.y = MathUtils.random(Constants.PHYSICS.GROUND_Y + OFFSET,
            Constants.ENEMY.AIR_START_Y - OFFSET);
    float start;//  www.ja  va2s . c  o  m
    if (enemyCom.isAirUnit()) {
        start = Constants.ENEMY.AIR_START_X + 20;
    } else {
        start = Constants.ENEMY.GROUND_START_X + 20;
    }
    barrierCenter.x = MathUtils.random(start, Constants.ENEMY.PICK_UP_POINT_X - 20);

    int angle;
    if (enemyCom.isAirUnit()) {
        angle = MathUtils.random(0, 90);
    } else {
        angle = MathUtils.random(90, 180);
    }

    Array<Vector2> positions = getComponentPositions(barrierCenter, angle, componentCount);
    for (Vector2 comPos : positions) {
        Entity component = EnemyRegistry.createEnemy("barrierComponent");
        component.edit().add(new Expires(expires / 1000.0f)).remove(EnemyMovement.class);

        PhysicsUtil.setPosition(component, comPos);
    }
}

---

From source file:com.dongbat.invasion.ability.types.Barrier.java

private Array<Vector2> getComponentPositions(Vector2 center, int angle, int count) {
    Array<Vector2> positions = new Array<Vector2>(count);
    if (count % 2 == 1) {
        positions.add(center.cpy());/*w  w w  .  j ava 2  s. c o m*/
    }

    float sin = MathUtils.sinDeg(angle);
    float cos = MathUtils.cosDeg(angle);
    Float m = cos == 0 ? null : (sin / cos);
    int sideCount = count / 2;
    for (int i = 0; i < sideCount; i++) {
        int distance = count % 2 == 0 ? radius : 2 * radius;
        distance += 2 * radius * i;

        if (cos == 0) {
            positions.add(new Vector2(center.x, center.y - distance));
            positions.add(new Vector2(center.x, center.y + distance));
        } else if (sin == 0) {
            positions.add(new Vector2(center.x - distance, center.y));
            positions.add(new Vector2(center.x + distance, center.y));
        } else {
            float diffX = (float) Math.sqrt(distance * distance / (m * m + 1));
            positions.add(new Vector2(center.x - diffX, center.y - m * diffX));
            positions.add(new Vector2(center.x + diffX, center.y + m * diffX));
        }
    }

    return positions;
}

---

From source file:com.dongbat.invasion.bullet.types.BouncingPiercingBullet.java

@Override
public void update(Entity e) {
    Vector2 velocity = PhysicsUtil.getVelocity(e);
    OutOfBound outOfBound = PhysicsUtil.isGoingOutOfBound(e);

    if (outOfBound == OutOfBound.HORIZONTAL) {
        PhysicsUtil.setVelocity(e, new Vector2(-velocity.x, velocity.y));
    } else if (outOfBound == OutOfBound.VERTICAL) {
        PhysicsUtil.setVelocity(e, new Vector2(velocity.x, -velocity.y));
    }//  w  w w. j a v  a 2 s .  c  o  m
    if (outOfBound != OutOfBound.NONE) {
        times--;
    }
    if (times < 0) {
        BulletUtil.destroy(e);
    }
}

---

From source file:com.dongbat.invasion.bullet.types.BouncingVacumnExplosiveBullet.java

@Override
public void update(Entity e) {
    Collision collision = EntityUtil.getComponent(e, Collision.class);
    if (collision.collidedList.size <= 0) {
        disable = false;/* w ww.j  av  a  2 s .  c  o m*/
    }
    Vector2 velocity = PhysicsUtil.getVelocity(e);
    PhysicsUtil.OutOfBound outOfBound = PhysicsUtil.isGoingOutOfBound(e);
    if (outOfBound == PhysicsUtil.OutOfBound.HORIZONTAL) {
        PhysicsUtil.setVelocity(e, new Vector2(-velocity.x, velocity.y));
    } else if (outOfBound == PhysicsUtil.OutOfBound.VERTICAL) {
        PhysicsUtil.setVelocity(e, new Vector2(velocity.x, -velocity.y));
    }
    if (outOfBound != PhysicsUtil.OutOfBound.NONE) {
        times--;
    }
    if (times <= 0) {
        BulletUtil.destroy(e);
    }
}

---

From source file:com.dongbat.invasion.bullet.types.VacumnExplosiveBullet.java

@Override
public void collided(Entity bullet, Entity enemy) {
    Vector2 bulletPosition = PhysicsUtil.getPosition(bullet);
    Array<Entity> enemies = PhysicsUtil.findEnemiesInRadius(bulletPosition, 20);
    for (Entity e : enemies) {
        PhysicsUtil.setPosition(e, new Vector2(bulletPosition.x, PhysicsUtil.getPosition(enemy).y));
    }//from   w w w.j  ava  2  s . c o  m
    DamageUtil.damageAoe(bulletPosition, Constants.BULLET.DEFAULT_DAMAGE,
            Constants.BULLET.DEFAULT_EXPLOSIVE_RADIUS);
}

---

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