/**
* zoom to the card before or after the current zoomed card (direction = 1 for next, -1 for
* previous)
*/
private void changeZoomedCard(int direction) {
stopMakingSpace();
zoomCard.addAction(Actions.scaleTo(1.0f, 1.0f, 0.2f, Interpolation.pow2));
addCard(zoomCard, zoomReturnIndex);
makeSpace(zoomReturnIndex + direction);
zoomCard = (CardGroup) cards.getChildren().get(zoomReturnIndex + direction);
zoomCard.clearActions();
zoomCard.remove();
addActor(zoomCard);
zoomCard.setScale(3.0f);
zoomCard.setPosition(600, 100);
zoomReturnIndex += direction;
updateZoomControls();
}
/** unzooms the currently zoomed card */
private void unzoom() {
stopMakingSpace();
zoomCard.setTouchable(Touchable.enabled);
zoomCard.addAction(Actions.scaleTo(1.0f, 1.0f, 0.2f, Interpolation.pow2));
addCard(zoomCard, zoomReturnIndex);
zoomCard = null;
for (Actor actor : getChildren()) {
actor.setTouchable(Touchable.enabled);
}
for (Actor actor : cards.getChildren()) {
actor.setTouchable(Touchable.enabled);
}
zoomGroup.setTouchable(Touchable.disabled);
zoomGroup.setVisible(false);
}
/**
* brings the card up to the front and center, leaving a space where it belongs in the hand.
* Nothing other than the card and its controls can be clicked during a zoom. Tapping the card
* unzooms it. There also is a cancel, play, and rotate button, and arrows to see the next and
* previous cards in the hand.
*
* @param toAdd card to zoom in on
*/
private void zoomCard(CardGroup toAdd) {
zoomCard = toAdd;
// remove toAdd from the hand and add it to the root
zoomReturnIndex = cards.getChildren().indexOf(toAdd, true);
zoomCard.remove();
addActor(zoomCard);
makeSpace(zoomReturnIndex);
zoomCard.getActions().clear();
// blow the card up
zoomCard.addAction(Actions.scaleTo(3.0f, 3.0f, 0.2f, Interpolation.pow2));
// move it
zoomCard.addAction(Actions.moveTo(600, 100, 0.2f, Interpolation.pow2));
// make only the zoom elements touchable
for (Actor actor : getChildren()) {
actor.setTouchable(Touchable.disabled);
}
zoomGroup.setTouchable(Touchable.enabled);
zoomGroup.setVisible(true);
updateZoomControls();
}
/**
* animate the card being added to the hand, and add it to the hand. Removes the card from its
* current parent and adds it to this group. Adds it to the right of the current hand.
*
* @param toAdd cardgroup to add to the hand
* @param index index to add the card at (left is 0)
*/
public void addCard(final CardGroup toAdd, int index) {
// click events for the card
toAdd.getListeners().clear();
toAdd.addListener(
new DragListener() {
public int returnIndex = -1;
public float offsetX;
public float offsetY;
public boolean zoomed = false;
@Override
public void dragStart(InputEvent event, float x, float y, int pointer) {
Vector2 coords = toAdd.localToParentCoordinates(new Vector2(x, y));
offsetX = coords.x - toAdd.getX();
offsetY = coords.y - toAdd.getY();
if (getTouchDownY() > y) {
if (!toAdd.hasRotated) {
toAdd.rotate();
toAdd.hasRotated = true;
}
}
}
@Override
public void dragStop(InputEvent event, float x, float y, int pointer) {
if (toAdd.dragged) {
stopMakingSpace();
addCard(toAdd, returnIndex);
}
}
@Override
public void drag(InputEvent event, float x, float y, int pointer) {
// Only start dragging the card if we are not dragging down or rotated
if ((toAdd.dragged || getTouchDownY() <= y) && !toAdd.hasRotated) {
if (toAdd.dragged == false) {
toAdd.dragged = true;
returnIndex = cards.getChildren().indexOf(toAdd, true);
removeCard(toAdd);
addActor(toAdd);
}
Vector2 coords = toAdd.localToParentCoordinates(new Vector2(x, y));
toAdd.setPosition(coords.x - offsetX, coords.y - offsetY);
// check for making space in the hand
boolean stillNeedsSpace = false;
for (int i = 0; i < cards.getChildren().size; i++) {
Actor card = cards.getChildren().get(i);
Rectangle cardBounds =
new Rectangle(card.getX(), card.getY(), card.getWidth(), card.getHeight());
Rectangle thisBounds =
new Rectangle(toAdd.getX(), toAdd.getY(), toAdd.getWidth(), toAdd.getHeight());
if (cardBounds.overlaps(thisBounds)) {
stillNeedsSpace = true;
if (card != invisibleCard) {
// figure out which side. If the center of the dragged card is to the right
// of the center of the collided with card, make space to the right
if ((thisBounds.getX() + thisBounds.getWidth() / 2)
> (cardBounds.getX() + cardBounds.getWidth() / 2)) {
returnIndex = i + 1;
makeSpace(i + 1);
} else {
returnIndex = i;
makeSpace(i);
}
}
break;
}
}
if (!stillNeedsSpace) {
stopMakingSpace();
}
}
}
});
toAdd.addListener(
new InputListener() {
@Override
public boolean touchDown(InputEvent event, float x, float y, int pointer, int button) {
toAdd.hasRotated = false;
toAdd.dragged = false;
return true;
}
@Override
public void touchUp(InputEvent event, float x, float y, int pointer, int button) {
if (!toAdd.dragged && !toAdd.hasRotated) {
zoomCard(toAdd);
}
}
});
// save the old positions of the cards
List<Vector2> oldPositions = getPositions(cards.getChildren());
oldPositions.add(index, new Vector2(toAdd.getX(), toAdd.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, toAdd.getWidth()));
newGroup.align(Align.bottom);
cards.addActorAt(index, toAdd);
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);
}