/**
* Detects actor vs actor collisions.
*
* @param movingActor The actor to be checked.
* @return List of all actors that was hit.
*/
public ArrayList<Actor> detectActorCollision(Actor movingActor) {
ArrayList<Actor> collisions = new ArrayList<Actor>();
Iterator<Actor> it = gameEngine.getCurrentLevel().getActors().iterator();
while (it.hasNext()) {
Actor actorInList = it.next();
if (actorInList != movingActor) { // Actors do not collide with themselves.
double distanceBetweenActors = movingActor.getPosition().dist(actorInList.getPosition());
// Detection between to round objects.
if (distanceBetweenActors < movingActor.getHitBoxRadius() + actorInList.getHitBoxRadius()) {
collisions.add(actorInList);
}
// // Detection between two square objects.
// if ((Math.abs(movingActor.getPosition().getX() -
// actorInList.getPosition().getX()) < movingActor.getHitBoxRadius() +
// actorInList.getHitBoxRadius())
// && (Math.abs(movingActor.getPosition().getY() -
// actorInList.getPosition().getY()) < movingActor.getHitBoxRadius() +
// actorInList.getHitBoxRadius())) {
// collisions.add(actorInList);
// }
}
}
return collisions;
}
/**
* Detects actor vs outer wall collisions and returns an array list of strings corresponding to
* the walls that where hit. Up to 2 walls can be hit Simultaneously in rare cases. Returns an
* empty array list if no walls where hit.
*
* @param movingActor The actor to be checked.
* @return The walls that was hit.
*/
public ArrayList<String> detectWallCollision(Actor movingActor) {
ArrayList<String> wallCollision = new ArrayList<String>();
if (movingActor.getPosition().getX() + movingActor.getHitBoxRadius()
>= (gameEngine.getGuiHandler().getWidth()
- gameEngine.getGuiHandler().getOuterWallThickness())) {
wallCollision.add("east");
}
if (movingActor.getPosition().getY() + (movingActor.getHitBoxRadius())
>= (gameEngine.getGuiHandler().getHeight()
- gameEngine.getGuiHandler().getOuterWallThickness())) {
wallCollision.add("south");
}
if (movingActor.getPosition().getX() - (movingActor.getHitBoxRadius())
<= (0 + gameEngine.getGuiHandler().getOuterWallThickness())) {
wallCollision.add("west");
}
if (movingActor.getPosition().getY() - (movingActor.getHitBoxRadius())
<= (0 + gameEngine.getGuiHandler().getOuterWallThickness())) {
wallCollision.add("north");
}
return wallCollision;
}