Example usage for com.badlogic.gdx.physics.box2d QueryCallback QueryCallback

Introduction

In this page you can find the example usage for com.badlogic.gdx.physics.box2d QueryCallback QueryCallback.

Prototype

QueryCallback

Source Link

Usage

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

/**
 * Find any entity in radius/*from w  w w . j ava  2  s .c  o  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//w  w w.ja  v a 2  s. com
 * @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 ww  .  ja v a  2s . 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 www  .j  a  v a 2  s  .c  om
 * @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;
}

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

/**
 * Find player in radius from a location
 *
 * @param world artemis world/*from w ww .  j a  v  a 2  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 .ja  v a  2  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//from  w  w w.  j ava  2s.c o  m
        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 Vector2 getQueenPosition(final com.artemis.World world) {
    final Vector2 queenPosition = null;
    QueryCallback callback = new QueryCallback() {

        @Override// w  w  w.j  av a2  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())) {
                queenPosition.x = body.getPosition().x;
                queenPosition.y = body.getPosition().y;
                return false;
            }
            return true;
        }

    };
    PhysicsUtil.getPhysicsWorld(world).QueryAABB(callback, -scaleX, -scaleY, scaleX, scaleY);

    return queenPosition;

}

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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//ww w.  j a v  a 2 s  .  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.util.PhysicsUtil.java

public static Array<Entity> findEnemiesInRadius(final Vector2 location, final float radius) {
    final Array<Entity> enemies = new Array<Entity>();

    QueryCallback callback = new QueryCallback() {

        @Override/*from   w w  w . jav a 2  s.co m*/
        public boolean reportFixture(Fixture fixture) {
            Body body = fixture.getBody();
            Entity entity = (Entity) body.getUserData();
            if (EntityUtil.isEnemy(entity)) {
                float distanceSq = new Vector2(body.getPosition()).sub(location).len2();
                if (distanceSq <= radius * radius) {
                    enemies.add(entity);
                }
            }
            return true;
        }
    };
    Vector2 lowerLeft = new Vector2(location).sub(radius, radius);
    Vector2 upperRight = new Vector2(location).add(radius, radius);
    getWorld().QueryAABB(callback, lowerLeft.x, lowerLeft.y, upperRight.x, upperRight.y);

    return enemies;
}

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