ModularActor.java

package org.codecranachan.asteroidpush.base.workshop.actor;

import java.util.Collection;
import java.util.Set;

import org.codecranachan.asteroidpush.base.input.Controller;
import org.codecranachan.asteroidpush.base.simulation.Actor;
import org.codecranachan.asteroidpush.base.simulation.RigidBody;
import org.codecranachan.asteroidpush.base.simulation.command.Command;
import org.codecranachan.asteroidpush.base.visuals.Representation;
import org.codecranachan.asteroidpush.utils.Angle;
import org.codecranachan.asteroidpush.utils.Circle;
import org.codecranachan.asteroidpush.utils.FieldOfView;
import org.jbox2d.common.Vec2;

import com.dreizak.miniball.highdim.Miniball;
import com.dreizak.miniball.model.ArrayPointSet;

public class ModularActor implements Actor {
   private ActorSkeleton skeleton;

   public ModularActor(ActorSkeleton skeleton) {
      this.skeleton = skeleton;
   }

   public Collection<Command> update(int frameNumber) {
      return skeleton.update(frameNumber);
   }

   public Collection<Representation> getRepresentations() {
      return skeleton.getRepresentations();
   }

   public FieldOfView getFieldOfView() {
      Set<RigidBody> bodies = skeleton.getBodies();
      ArrayPointSet pointSet = new ArrayPointSet(2, bodies.size());
      int index = 0;
      for (RigidBody body : bodies) {
         Circle circle = body.getEnclosingCircle();
         pointSet.set(index, 0, circle.getCenter().x);
         pointSet.set(index, 1, circle.getCenter().y);
         index ++;
      }
      Miniball ball = new Miniball(pointSet);
      Vec2 center = new Vec2((float) ball.center()[0], (float) ball.center()[1]);
      float radius = (float) ball.radius() + 10f;
      Circle view = new Circle(center, radius);
      FieldOfView focus = new FieldOfView(view, Angle.HALF_PI);
      return focus;
   }

   public void destroy() {
      // TODO Detach all behaviors from their bodies and destroy bodies
   }

   public void setController(Controller controller) {
      skeleton.setController(controller);
   }

}