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(Vector2 v) 

Source Link

Document

Constructs a vector from the given vector

Usage

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

/**
 * Find any entity in radius/*from w  ww.  j av  a2s.co  m*/
 *
 * @param world artemis world
 * @param location location to find
 * @param radius radius to find
 * @return Array of nearest Entity in radius
 */
public static Array<Entity> findAnyInRadius(final com.artemis.World world, final Vector2 location,
        final float radius) {
    final Array<Entity> entities = new Array<Entity>();

    QueryCallback callback = new QueryCallback() {

        @Override
        public boolean reportFixture(Fixture fixture) {
            Body body = fixture.getBody();
            Entity entity = UuidUtil.getEntityByUuid(world, (UUID) body.getUserData());
            float distanceSq = new Vector2(body.getPosition()).sub(location).len2();
            if (distanceSq <= radius * radius) {
                entities.add(entity);
            }
            return true;
        }
    };
    Vector2 lowerLeft = new Vector2(location).sub(radius, radius);
    Vector2 upperRight = new Vector2(location).add(radius, radius);
    PhysicsUtil.getPhysicsWorld(world).QueryAABB(callback, lowerLeft.x, lowerLeft.y, upperRight.x,
            upperRight.y);

    return entities;
}

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

/**
 * Find food in radius, centre is an point on map
 *
 * @param world artemis world//from w  w  w.j av a  2 s  . c  om
 * @param location centre of circle
 * @param radius radius to find
 * @return Food entity list
 */
public static Array<Entity> findFoodInRadius(final com.artemis.World world, final Vector2 location,
        final float radius) {
    final Array<Entity> food = new Array<Entity>();

    QueryCallback callback = new QueryCallback() {

        @Override
        public boolean reportFixture(Fixture fixture) {
            Body body = fixture.getBody();
            Entity entity = UuidUtil.getEntityByUuid(world, (UUID) body.getUserData());
            if (entity != null) {
                if (isFood(world, entity.getId())) {
                    float distanceSq = new Vector2(body.getPosition()).sub(location).len2();
                    if (distanceSq <= radius * radius) {
                        food.add(entity);
                    }
                }
            }
            return true;
        }
    };
    Vector2 lowerLeft = new Vector2(location).sub(radius, radius);
    Vector2 upperRight = new Vector2(location).add(radius, radius);
    getPhysicsWorld(world).QueryAABB(callback, lowerLeft.x, lowerLeft.y, upperRight.x, upperRight.y);

    return food;
}

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

public static Array<Entity> findColdFoodInRadius(final com.artemis.World world, final Vector2 location,
        final float radius) {
    final Array<Entity> food = new Array<Entity>();

    QueryCallback callback = new QueryCallback() {

        @Override/* w  w  w . ja  va2  s  . c  o  m*/
        public boolean reportFixture(Fixture fixture) {
            Body body = fixture.getBody();
            Entity entity = UuidUtil.getEntityByUuid(world, (UUID) body.getUserData());
            if (entity != null) {
                if (isFood(world, entity.getId())) {
                    float distanceSq = new Vector2(body.getPosition()).sub(location).len2();
                    if (distanceSq <= radius * radius) {
                        Food f = EntityUtil.getComponent(world, entity, Food.class);
                        if (!f.isToxic()) {
                            food.add(entity);
                        }
                    }
                }
            }
            return true;
        }
    };
    Vector2 lowerLeft = new Vector2(location).sub(radius, radius);
    Vector2 upperRight = new Vector2(location).add(radius, radius);
    getPhysicsWorld(world).QueryAABB(callback, lowerLeft.x, lowerLeft.y, upperRight.x, upperRight.y);

    return food;
}

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

/**
 * Find enemy in radius, centre is an point on map
 *
 * @param world artemis world//from   ww w .  ja v a  2  s  .c o m
 * @param location centre of circle
 * @param radius radius to find
 * @return Enemy entity list
 */
public static Array<Entity> findEnemyInRadius(final com.artemis.World world, final Vector2 location,
        final float radius) {
    // TODO: to be fixed
    final Array<Entity> enemy = new Array<Entity>();

    QueryCallback callback = new QueryCallback() {

        @Override
        public boolean reportFixture(Fixture fixture) {
            Body body = fixture.getBody();
            Entity entity = UuidUtil.getEntityByUuid(world, (UUID) body.getUserData());
            boolean isEnemy = false;
            if (isEnemy) {
                float distanceSq = new Vector2(body.getPosition()).sub(location).len2();
                if (distanceSq <= radius * radius) {
                    enemy.add(entity);
                }
            }
            return true;
        }
    };

    Vector2 lowerLeft = new Vector2(location).sub(radius, radius);
    Vector2 upperRight = new Vector2(location).add(radius, radius);
    getPhysicsWorld(world).QueryAABB(callback, lowerLeft.x, lowerLeft.y, upperRight.x, upperRight.y);

    return enemy;
}

---

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

/**
 * Find nearest entity in list from a location
 *
 * @param world artemis world/*from   w w  w. ja  va  2s. co  m*/
 * @param location location
 * @param entityList entity list that you want to find
 * @return one entity
 */
public static Entity findNearestEntityInList(com.artemis.World world, Vector2 location,
        Array<Entity> entityList) {
    Entity nearest = null;
    float closestDistanceSq = Float.MAX_VALUE;

    for (Entity e : entityList) {
        Vector2 position = getPosition(world, e);
        float distanceSq = new Vector2(position).sub(location).len2();
        if (distanceSq < closestDistanceSq) {
            nearest = e;
            closestDistanceSq = distanceSq;
        }
    }

    return nearest;
}

---

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

/**
 * Find player in radius from a location
 *
 * @param world artemis world//from w ww. ja v  a2  s  .  co m
 * @param location location that you want to find
 * @param radius radius to find
 * @return Player entity list
 */
public static Array<Entity> findPlayerNonAiInRadius(final com.artemis.World world, final Vector2 location,
        final float radius) {
    final Array<Entity> playerAndAIList = new Array<Entity>();

    QueryCallback callback = new QueryCallback() {

        @Override
        public boolean reportFixture(Fixture fixture) {
            Body body = fixture.getBody();
            Entity entity = UuidUtil.getEntityByUuid(world, (UUID) body.getUserData());
            if (isPlayerNonAiUnit(world, entity.getId())) {
                float distanceSq = new Vector2(body.getPosition()).sub(location).len2();
                if (distanceSq <= radius * radius) {
                    playerAndAIList.add(entity);
                }
            }
            return true;
        }
    };
    Vector2 lowerLeft = new Vector2(location).sub(radius, radius);
    Vector2 upperRight = new Vector2(location).add(radius, radius);
    getPhysicsWorld(world).QueryAABB(callback, lowerLeft.x, lowerLeft.y, upperRight.x, upperRight.y);

    return playerAndAIList;
}

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

public static Array<Entity> findQueenInRadius(final com.artemis.World world, final Vector2 location,
        final float radius) {
    final Array<Entity> queenList = new Array<Entity>();

    QueryCallback callback = new QueryCallback() {

        @Override//from w w w  .j  ava2 s.  c  o  m
        public boolean reportFixture(Fixture fixture) {
            Body body = fixture.getBody();
            Entity entity = UuidUtil.getEntityByUuid(world, (UUID) body.getUserData());
            if (isQueen(world, entity.getId())) {
                float distanceSq = new Vector2(body.getPosition()).sub(location).len2();
                if (distanceSq <= radius * radius) {
                    queenList.add(entity);
                }
                return false;
            }
            return true;
        }
    };
    Vector2 lowerLeft = new Vector2(location).sub(radius, radius);
    Vector2 upperRight = new Vector2(location).add(radius, radius);
    getPhysicsWorld(world).QueryAABB(callback, lowerLeft.x, lowerLeft.y, upperRight.x, upperRight.y);

    return queenList;
}

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

public static Array<Entity> findPlayerWithAiInRadius(final com.artemis.World world, final Entity e,
        final Vector2 location, final float radius) {
    final Array<Entity> entities = new Array<Entity>();

    QueryCallback callback = new QueryCallback() {

        @Override//w  w w . j a va 2  s .com
        public boolean reportFixture(Fixture fixture) {
            Body body = fixture.getBody();
            Entity entity = UuidUtil.getEntityByUuid(world, (UUID) body.getUserData());
            if (EntityUtil.getComponent(world, e, SubUnit.class) != null
                    || isPlayer(world, entity.getId()) && !e.equals(entity)) {
                float distanceSq = new Vector2(body.getPosition()).sub(location).len2();
                if (distanceSq <= radius * radius) {
                    entities.add(entity);
                }
            }
            return true;
        }
    };
    Vector2 lowerLeft = new Vector2(location).sub(radius, radius);
    Vector2 upperRight = new Vector2(location).add(radius, radius);
    PhysicsUtil.getPhysicsWorld(world).QueryAABB(callback, lowerLeft.x, lowerLeft.y, upperRight.x,
            upperRight.y);

    return entities;
}

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

public static Array<Entity> findFood(final com.artemis.World world, final Vector2 location,
        final float radius) {
    final Array<Entity> entities = new Array<Entity>();

    QueryCallback callback = new QueryCallback() {

        @Override/*from ww w  .  jav a 2s.c  o  m*/
        public boolean reportFixture(Fixture fixture) {
            Body body = fixture.getBody();
            Entity entity = UuidUtil.getEntityByUuid(world, (UUID) body.getUserData());
            if (isFood(world, entity.getId())) {
                float distanceSq = new Vector2(body.getPosition()).sub(location).len2();
                if (distanceSq <= radius * radius) {
                    entities.add(entity);
                }
            }
            return true;
        }
    };
    Vector2 lowerLeft = new Vector2(location).sub(radius, radius);
    Vector2 upperRight = new Vector2(location).add(radius, radius);
    PhysicsUtil.getPhysicsWorld(world).QueryAABB(callback, lowerLeft.x, lowerLeft.y, upperRight.x,
            upperRight.y);

    return entities;
}

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

@Override
public void update(Entity bullet) {
    if (PhysicsUtil.isGoingOutOfBound(bullet) != PhysicsUtil.OutOfBound.NONE) {
        BulletUtil.destroy(bullet);//from  w  ww  .j  a  v a2  s. c o  m
    }
    long gameTimeSince = TimeUtil.getGameTimeSince(startTime);
    if (splitDisable && gameTimeSince > Constants.BULLET.SPLIT_DELAY) {
        splitDisable = false;
    }
    if (isHoming) {
        if (homingDisable && gameTimeSince > Constants.BULLET.HOMING_DELAY) {
            homingDisable = false;
        }
        if (!homingDisable) {
            if (target == null || !target.isActive()) {
                target = PhysicsUtil.findNearestEnemy(PhysicsUtil.getPosition(bullet));
            }
            if (target != null && target.isActive()) {
                MovementUtil.chase(bullet, target);
            }
        }
    }
    if (splitDisable) {
        return;
    }
    Collision collision = EntityUtil.getComponent(bullet, Collision.class);
    if (collision.collidedList.size == 0) {
        return;
    }
    Entity enemy = collision.collidedList.get(0);
    if (!EntityUtil.isEnemy(enemy)) {
        return;
    }
    DamageUtil.damageSingle(enemy, Constants.BULLET.DEFAULT_DAMAGE);
    BuffUtil.addBuff(bullet, enemy, "stun", duration);
    if (level > 0) {
        float enemyRadius = PhysicsUtil.getRadius(enemy);
        for (int i = 0; i < Constants.BULLET.DEFAULT_NUMBER_SUBBULLET; i++) {
            float angle = (float) (Math.random() * 340 + 20);
            Vector2 enemyPosition = new Vector2(PhysicsUtil.getPosition(enemy));
            Vector2 v = new Vector2(enemyRadius + 10, 0);
            Vector2 vRotation = v.rotate(angle);
            Vector2 fireVector = new Vector2(vRotation).add(enemyPosition);
            Entity subBullet = BulletRegistry.createBullet("homingSplitStun", fireVector);
            HomingSplitStunBullet type = (HomingSplitStunBullet) EntityUtil
                    .getComponent(subBullet, Bullet.class).getType();
            PhysicsUtil.applyImpulse(subBullet, new Vector2(vRotation).scl(10));
            type.level = level - 1;
            type.splitDisable = true;
            type.homingDisable = true;
            type.isHoming = true;
        }
    }
    BulletUtil.destroy(bullet);
}

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