private void add(Body body) {
if (body == null) throw new IllegalArgumentException("bodies cannot contain null");
broadPhase.add(body);
if (broadPhase != rayBroadPhase) {
rayBroadPhase.add(body);
}
}
/**
* Returns all contacts made by a ray.
*
* @param ray
* @return Ray contacts, never null
*/
public List<RayContact> allReached(Ray ray) {
List<RayContact> contacts = new ArrayList<RayContact>();
for (Body body : rayBroadPhase.potentialBodies(ray)) {
RayContact contact = isReached(body, ray);
if (contact != null) {
contacts.add(contact);
}
}
sort(contacts, byAscendingDistanceFromRayStart());
return contacts;
}
public void clearBodies() {
broadPhase.clear();
if (broadPhase != rayBroadPhase) {
rayBroadPhase.clear();
}
}