/**
* Obtains the actor at (x,y) with TOLERANCE.
*
* <p>Creates a square with size = TOLERANCE and checks:
*
* <p>1. if some vertex from the TOLERANCE square is inside an actor bbox 2. if some actor bbox
* vertex is inside the TOLERANCE square
*/
public InteractiveActor getInteractiveActorAtWithTolerance(float x, float y, float tolerance) {
List<SceneLayer> layers = getLayers();
tmpToleranceRect.x = x - tolerance / 2;
tmpToleranceRect.y = y - tolerance / 2;
tmpToleranceRect.width = tolerance;
tmpToleranceRect.height = tolerance;
for (SceneLayer layer : layers) {
if (!layer.isVisible()) continue;
// Obtain actors in reverse (close to camera)
for (int l = layer.getActors().size() - 1; l >= 0; l--) {
BaseActor a = layer.getActors().get(l);
if (a instanceof InteractiveActor && ((InteractiveActor) a).hasInteraction()) {
if (a.hit(x, y)
|| a.hit(tmpToleranceRect.x, tmpToleranceRect.y)
|| a.hit(tmpToleranceRect.x + tmpToleranceRect.width, tmpToleranceRect.y)
|| a.hit(tmpToleranceRect.x, tmpToleranceRect.y + tmpToleranceRect.height)
|| a.hit(
tmpToleranceRect.x + tmpToleranceRect.width,
tmpToleranceRect.y + tmpToleranceRect.height)) return (InteractiveActor) a;
float[] verts = a.getBBox().getTransformedVertices();
for (int i = 0; i < verts.length; i += 2) {
float vx = verts[i];
float vy = verts[i + 1];
if (tmpToleranceRect.contains(vx, vy)) return (InteractiveActor) a;
}
}
}
}
return null;
}
/** Returns the actor at the position. */
public BaseActor getActorAt(float x, float y) {
for (SceneLayer layer : layers) {
if (!layer.isVisible()) continue;
// Obtain actors in reverse (close to camera)
for (int i = layer.getActors().size() - 1; i >= 0; i--) {
BaseActor a = layer.getActors().get(i);
if (a.hit(x, y)) {
return a;
}
}
}
return null;
}
/**
* Returns the Interactive actor at the position. The actor must have the interaction property
* enabled.
*/
public InteractiveActor getInteractiveActorAt(float x, float y) {
for (SceneLayer layer : layers) {
if (!layer.isVisible()) continue;
// Obtain actors in reverse (close to camera)
for (int i = layer.getActors().size() - 1; i >= 0; i--) {
BaseActor a = layer.getActors().get(i);
if (a instanceof InteractiveActor
&& ((InteractiveActor) a).hasInteraction()
&& a.hit(x, y)) {
return (InteractiveActor) a;
}
}
}
return null;
}
