private List<GameActorPosition> GetInteractableObjectsInFrontOf(IAtlas atlas)
{
// check circle in front of avatar
float radius = ((CircleShape)PhysicalEntity.Shape).Radius;
List<GameActorPosition> actorsInFrontOf = atlas.ActorsInFrontOf(this, LayerType.Object,
0.2f + radius, radius).ToList();
return actorsInFrontOf;
}