// Gibt Gegner Position zur�ueck, die am naechersten ist, falls keiner im
// Sichtfeld = null
public Entity searchTarget() {
ComponentMapper<PositionComponent> pm = ComponentMapper.getFor(PositionComponent.class);
Entity result = null;
ImmutableArray<Entity> entities = engine.getEntities();
float smallestDistance = sightRadius * sightRadius;
float collisionDistance = 30f;
for (Entity entity : entities) {
// check if entity is a point of interest
if (entity.getClass() == PointOfInterestEntity.class) {
PointOfInterestEntity pie = (PointOfInterestEntity) entity;
PositionComponent piePosition = pm.get(pie);
// if the POI is a target and the distance < collision distance => collision
if (team == Team.GREEN
&& pie.toString() == "target"
&& piePosition.position.dst2(pm.get(this).position)
<= (collisionDistance * collisionDistance)) {
// add a new green boid entity
BoidEntity boidR = new BoidEntity(BoidEntity.Team.GREEN, engine, new EvadeState());
boidR.add(new PositionComponent());
pm.get(boidR).position = piePosition.position.cpy();
boidR.add(new VelocityComponent());
boidR.add(new RenderComponent());
boidR.add(new BoidCenterComponent());
boidR.add(new BoidDistanceComponent());
boidR.add(new BoidMatchVelocityComponent());
boidR.add(new RessourceComponent());
boidR.setPointOfInterest(pie);
engine.addEntity(boidR);
// heal the boid that collected the cross
this.resetRessources();
// set new target position
piePosition.position.set(
MathUtils.random(0, Gdx.graphics.getWidth()),
MathUtils.random(0, Gdx.graphics.getHeight()));
}
}
if (entity.getComponent(BoidCenterComponent.class) == null) continue;
BoidEntity currentBoid = (BoidEntity) entity;
float newDistance = pm.get(this).position.dst2(pm.get(currentBoid).position);
// Checke falls Gegner in Sicht => pursue Gegner
if (this.team != currentBoid.team && newDistance < smallestDistance) {
smallestDistance = newDistance;
result = currentBoid;
}
}
return result;
}
