/**
* 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);
}
}
@Override
public void act(float delta) {
// coordinate fix
// TODO to STAGE COORDS for relativ coords
float relativeX = getX();
float relativeY = getY();
float relativeRotation = 0;
Group currParent = this.getParent();
while (currParent != null) {
relativeX += currParent.getX();
relativeY += currParent.getY();
relativeRotation += currParent.getRotation();
currParent = currParent.getParent();
}
if (lightObject != null) {
float yy = 0;
float xx = 0;
if (relativeRotation != 0) {
xx =
getX() * MathUtils.cosDeg(relativeRotation)
- getY() * MathUtils.sinDeg(relativeRotation);
yy =
getY() * MathUtils.cosDeg(relativeRotation)
+ getX() * MathUtils.sinDeg(relativeRotation);
yy = getY() - yy;
xx = getX() - xx;
}
lightObject.setPosition(relativeX - xx, relativeY - yy);
}
if (dataVO.type == LightType.CONE) {
lightObject.setDirection(direction + relativeRotation);
}
// debugImg.setX(relativeX);
// debugImg.setY(relativeY);
super.act(delta);
}
/** Adjusts the position and size of the given group to its children */
public static void adjustGroup(Actor root) {
if (!(root instanceof Group)) {
return;
}
Group group = (Group) root;
if (group.getChildren().size == 0) {
return;
}
Vector2 origin = Pools.obtain(Vector2.class);
Vector2 size = Pools.obtain(Vector2.class);
Vector2 tmp3 = Pools.obtain(Vector2.class);
Vector2 tmp4 = Pools.obtain(Vector2.class);
calculateBounds(group.getChildren(), origin, size);
/*
* minX and minY are the new origin (new 0, 0), so everything inside the
* group must be translated that much.
*/
for (Actor actor : group.getChildren()) {
actor.setPosition(actor.getX() - origin.x, actor.getY() - origin.y);
}
/*
* Now, we calculate the current origin (0, 0) and the new origin (minX,
* minY), and group is translated by that difference.
*/
group.localToParentCoordinates(tmp3.set(0, 0));
group.localToParentCoordinates(tmp4.set(origin.x, origin.y));
tmp4.sub(tmp3);
group.setBounds(group.getX() + tmp4.x, group.getY() + tmp4.y, size.x, size.y);
group.setOrigin(size.x / 2.0f, size.y / 2.0f);
Pools.free(origin);
Pools.free(size);
Pools.free(tmp3);
Pools.free(tmp4);
}
@Override
public void render() {
Gdx.gl.glViewport(0, 0, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
Gdx.gl.glClearColor(0.2f, 0.2f, 0.2f, 1);
Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
if (Gdx.input.isTouched()) {
stage.screenToStageCoordinates(stageCoords.set(Gdx.input.getX(), Gdx.input.getY()));
Actor actor = stage.hit(stageCoords.x, stageCoords.y, true);
if (actor instanceof Image)
((Image) actor)
.setColor(
(float) Math.random(),
(float) Math.random(),
(float) Math.random(),
0.5f + 0.5f * (float) Math.random());
}
Array<Actor> actors = stage.getActors();
int len = actors.size;
if (rotateSprites) {
for (int i = 0; i < len; i++) actors.get(i).rotateBy(Gdx.graphics.getDeltaTime() * 10);
}
scale += vScale * Gdx.graphics.getDeltaTime();
if (scale > 1) {
scale = 1;
vScale = -vScale;
}
if (scale < 0.5f) {
scale = 0.5f;
vScale = -vScale;
}
len = images.size();
for (int i = 0; i < len; i++) {
Image img = images.get(i);
if (rotateSprites) img.rotateBy(-40 * Gdx.graphics.getDeltaTime());
else img.setRotation(0);
if (scaleSprites) {
img.setScale(scale);
} else {
img.setScale(1);
}
img.invalidate();
}
stage.draw();
renderer.begin(ShapeType.Point);
renderer.setColor(1, 0, 0, 1);
len = actors.size;
for (int i = 0; i < len; i++) {
Group group = (Group) actors.get(i);
renderer.point(group.getX() + group.getOriginX(), group.getY() + group.getOriginY(), 0);
}
renderer.end();
fps.setText(
"fps: "
+ Gdx.graphics.getFramesPerSecond()
+ ", actors "
+ images.size()
+ ", groups "
+ actors.size);
ui.draw();
}