private void removeCard(Actor toRemove) {
int removeIndex = cards.getChildren().indexOf(toRemove, true);
// save the old positions of the cards
SnapshotArray<Actor> currentCards = cards.getChildren();
currentCards.removeIndex(removeIndex);
List<Vector2> oldPositions = getPositions(currentCards);
// Determine what the new positions would be
// by adding them to a horizontal group and checking their positions
HorizontalGroup newGroup =
new HorizontalGroup()
.space(calculateSpacing(cards.getChildren().size - 1, toRemove.getWidth()));
newGroup.align(Align.bottom);
cards.removeActor(toRemove);
while (cards.getChildren().size > 0) {
newGroup.addActor(cards.getChildren().get(0));
}
newGroup.layout();
List<Vector2> newPositions = getPositions(newGroup.getChildren());
// calculate what is needed to center the cards
float centerOffset = UIConstants.WORLD_WIDTH / 2 - newGroup.getPrefWidth() / 2;
// remove them from the horizontal group and add them back to the normal group so it doesn't try
// to move them around
while (newGroup.getChildren().size > 0) {
cards.addActor(newGroup.getChildren().get(0));
}
interpolateActorPositions(
cards.getChildren(), oldPositions, newPositions, centerOffset, Interpolation.pow2, 0.5f);
}
/**
* makes space for a card (adds an invisible card)
*
* @param index index to make space for a card at
*/
private void makeSpace(int index) {
if (cards.getChildren().size > 0) {
stopMakingSpace();
invisibleCard = new Group();
invisibleCard.setBounds(
0, 0, cards.getChildren().get(0).getWidth(), cards.getChildren().get(0).getHeight());
// save the old positions of the cards
List<Vector2> oldPositions = getPositions(cards.getChildren());
oldPositions.add(index, new Vector2(invisibleCard.getX(), invisibleCard.getY()));
// Determine what the new positions would be
// by adding them to a horizontal group and checking their positions
HorizontalGroup newGroup =
new HorizontalGroup()
.space(calculateSpacing(cards.getChildren().size + 1, invisibleCard.getWidth()));
newGroup.align(Align.bottom);
cards.addActorAt(index, invisibleCard);
while (cards.getChildren().size > 0) {
newGroup.addActor(cards.getChildren().get(0));
}
newGroup.layout();
List<Vector2> newPositions = getPositions(newGroup.getChildren());
// calculate what is needed to center the cards
float centerOffset = UIConstants.WORLD_WIDTH / 2 - newGroup.getPrefWidth() / 2;
// remove them from the horizontal group and add them back to the normal group so it doesn't
// try to move them around
while (newGroup.getChildren().size > 0) {
cards.addActor(newGroup.getChildren().get(0));
}
// interpolate all but the invisible card
cards
.getChildren()
.get(index)
.setPosition(newPositions.get(index).x, newPositions.get(index).y);
cards.removeActor(invisibleCard);
oldPositions.remove(index);
newPositions.remove(index);
interpolateActorPositions(
cards.getChildren(),
oldPositions,
newPositions,
centerOffset,
Interpolation.linear,
0.2f);
cards.addActor(invisibleCard);
}
}
public void removeChild(Actor parent, Actor child) {
((Group) parent).removeActor(child);
}
/**
* Removes this actor from its parent, if it has a parent.
*
* @see Group#removeActor(Actor)
*/
public boolean remove() {
if (parent != null) return parent.removeActor(this);
return false;
}
public void removeTransfert(TransfertActor actor) {
groupTransferts.removeActor(actor);
}