/**
* Applies a touch up event to the stage and returns true if an actor in the scene {@link
* Event#handle() handled} the event. Only {@link InputListener listeners} that returned true for
* touchDown will receive this event.
*/
public boolean touchUp(int screenX, int screenY, int pointer, int button) {
pointerTouched[pointer] = false;
pointerScreenX[pointer] = screenX;
pointerScreenY[pointer] = screenY;
if (touchFocuses.size == 0) return false;
screenToStageCoordinates(tempCoords.set(screenX, screenY));
InputEvent event = Pools.obtain(InputEvent.class);
event.setType(Type.touchUp);
event.setStage(this);
event.setStageX(tempCoords.x);
event.setStageY(tempCoords.y);
event.setPointer(pointer);
event.setButton(button);
SnapshotArray<TouchFocus> touchFocuses = this.touchFocuses;
TouchFocus[] focuses = touchFocuses.begin();
for (int i = 0, n = touchFocuses.size; i < n; i++) {
TouchFocus focus = focuses[i];
if (focus.pointer != pointer || focus.button != button) continue;
if (!touchFocuses.removeValue(focus, true)) continue; // Touch focus already gone.
event.setTarget(focus.target);
event.setListenerActor(focus.listenerActor);
if (focus.listener.handle(event)) event.handle();
Pools.free(focus);
}
touchFocuses.end();
boolean handled = event.isHandled();
Pools.free(event);
return handled;
}
private Actor fireEnterAndExit(Actor overLast, int screenX, int screenY, int pointer) {
// Find the actor under the point.
screenToStageCoordinates(tempCoords.set(screenX, screenY));
Actor over = hit(tempCoords.x, tempCoords.y, true);
if (over == overLast) return overLast;
// Exit overLast.
if (overLast != null) {
InputEvent event = Pools.obtain(InputEvent.class);
event.setStage(this);
event.setStageX(tempCoords.x);
event.setStageY(tempCoords.y);
event.setPointer(pointer);
event.setType(InputEvent.Type.exit);
event.setRelatedActor(over);
overLast.fire(event);
Pools.free(event);
}
// Enter over.
if (over != null) {
InputEvent event = Pools.obtain(InputEvent.class);
event.setStage(this);
event.setStageX(tempCoords.x);
event.setStageY(tempCoords.y);
event.setPointer(pointer);
event.setType(InputEvent.Type.enter);
event.setRelatedActor(overLast);
over.fire(event);
Pools.free(event);
}
return over;
}
/**
* Cancels touch focus for all listeners except the specified listener.
*
* @see #cancelTouchFocus()
*/
public void cancelTouchFocusExcept(EventListener exceptListener, Actor exceptActor) {
InputEvent event = Pools.obtain(InputEvent.class);
event.setStage(this);
event.setType(InputEvent.Type.touchUp);
event.setStageX(Integer.MIN_VALUE);
event.setStageY(Integer.MIN_VALUE);
// Cancel all current touch focuses except for the specified listener, allowing for concurrent
// modification, and never
// cancel the same focus twice.
SnapshotArray<TouchFocus> touchFocuses = this.touchFocuses;
TouchFocus[] items = touchFocuses.begin();
for (int i = 0, n = touchFocuses.size; i < n; i++) {
TouchFocus focus = items[i];
if (focus.listener == exceptListener && focus.listenerActor == exceptActor) continue;
if (!touchFocuses.removeValue(focus, true)) continue; // Touch focus already gone.
event.setTarget(focus.target);
event.setListenerActor(focus.listenerActor);
event.setPointer(focus.pointer);
event.setButton(focus.button);
focus.listener.handle(event);
// Cannot return TouchFocus to pool, as it may still be in use (eg if cancelTouchFocus is
// called from touchDragged).
}
touchFocuses.end();
Pools.free(event);
}
/**
* Applies a touch down event to the stage and returns true if an actor in the scene {@link
* Event#handle() handled} the event.
*/
public boolean touchDown(int screenX, int screenY, int pointer, int button) {
if (screenX < viewport.getScreenX()
|| screenX >= viewport.getScreenX() + viewport.getScreenWidth()) return false;
if (Gdx.graphics.getHeight() - screenY < viewport.getScreenY()
|| Gdx.graphics.getHeight() - screenY >= viewport.getScreenY() + viewport.getScreenHeight())
return false;
pointerTouched[pointer] = true;
pointerScreenX[pointer] = screenX;
pointerScreenY[pointer] = screenY;
screenToStageCoordinates(tempCoords.set(screenX, screenY));
InputEvent event = Pools.obtain(InputEvent.class);
event.setType(Type.touchDown);
event.setStage(this);
event.setStageX(tempCoords.x);
event.setStageY(tempCoords.y);
event.setPointer(pointer);
event.setButton(button);
Actor target = hit(tempCoords.x, tempCoords.y, true);
if (target == null) {
if (root.getTouchable() == Touchable.enabled) root.fire(event);
} else {
target.fire(event);
}
boolean handled = event.isHandled();
Pools.free(event);
return handled;
}
private void freeAll(TrackEntry entry) {
while (entry != null) {
TrackEntry next = entry.next;
Pools.free(entry);
entry = next;
}
}
/**
* Applies a mouse moved event to the stage and returns true if an actor in the scene {@link
* Event#handle() handled} the event. This event only occurs on the desktop.
*/
public boolean mouseMoved(int screenX, int screenY) {
if (screenX < viewport.getScreenX()
|| screenX >= viewport.getScreenX() + viewport.getScreenWidth()) return false;
if (Gdx.graphics.getHeight() - screenY < viewport.getScreenY()
|| Gdx.graphics.getHeight() - screenY >= viewport.getScreenY() + viewport.getScreenHeight())
return false;
mouseScreenX = screenX;
mouseScreenY = screenY;
screenToStageCoordinates(tempCoords.set(screenX, screenY));
InputEvent event = Pools.obtain(InputEvent.class);
event.setStage(this);
event.setType(Type.mouseMoved);
event.setStageX(tempCoords.x);
event.setStageY(tempCoords.y);
Actor target = hit(tempCoords.x, tempCoords.y, true);
if (target == null) target = root;
target.fire(event);
boolean handled = event.isHandled();
Pools.free(event);
return handled;
}
/**
* Recalculates the bounding area for the given {@code entity}, which most frequently will turn
* out this component's parent. Should be invoked each time entity's position, size or shape
* changes.
*/
public void update(EngineEntity entity) {
if (area != null) {
Pools.free(area);
}
area =
rect
? BoundingAreaBuilder.getBoundingRectangle(entity)
: BoundingAreaBuilder.getBoundingCircle(entity);
}
/**
* @param oldText May be null.
* @return True if the text was changed.
*/
boolean changeText(String oldText, String newText) {
if (newText.equals(oldText)) return false;
text = newText;
ChangeEvent changeEvent = Pools.obtain(ChangeEvent.class);
boolean cancelled = fire(changeEvent);
text = cancelled ? oldText : newText;
Pools.free(changeEvent);
return !cancelled;
}
public void layoutCards() {
Array<Card> cards = Pools.obtain(Array.class);
for (int i = 0; i < 4; i++) {
cards.clear();
for (int c : players[i].getCards()) cards.add(getCardController().getCard(c));
screen.playDealingAnimation(i, cards);
}
cards.clear();
Pools.free(cards);
}
private void updateValueFromTouch(float touchX, float touchY) {
int newV = (int) (touchX / BasicColorPicker.PALETTE_SIZE * maxValue / sizes.scaleFactor);
int newS = (int) (touchY / BasicColorPicker.PALETTE_SIZE * maxValue / sizes.scaleFactor);
setValue(newS, newV);
ChangeEvent changeEvent = Pools.obtain(ChangeEvent.class);
fire(changeEvent);
Pools.free(changeEvent);
}
/**
* Calculate the bounds of the given actors as a group
*
* @param actors the actors
* @param resultOrigin result origin of the bounds
* @param resultSize result size of the bounds
*/
public static void calculateBounds(
Array<Actor> actors, Vector2 resultOrigin, Vector2 resultSize) {
resultOrigin.set(0, 0);
resultSize.set(0, 0);
if (actors.size == 0) {
return;
}
Vector2 origin = Pools.obtain(Vector2.class);
Vector2 size = Pools.obtain(Vector2.class);
Vector2 leftTop = Pools.obtain(Vector2.class);
Vector2 rightBottom = Pools.obtain(Vector2.class);
float minX = Float.POSITIVE_INFINITY;
float minY = Float.POSITIVE_INFINITY;
float maxX = Float.NEGATIVE_INFINITY;
float maxY = Float.NEGATIVE_INFINITY;
for (Actor actor : actors) {
calculateBounds(actor, origin, size);
size.add(origin);
leftTop.set(origin.x, size.y);
rightBottom.set(size.x, origin.y);
actor.localToParentCoordinates(origin);
actor.localToParentCoordinates(size);
actor.localToParentCoordinates(leftTop);
actor.localToParentCoordinates(rightBottom);
minX =
Math.min(minX, Math.min(origin.x, Math.min(size.x, Math.min(leftTop.x, rightBottom.x))));
minY =
Math.min(minY, Math.min(origin.y, Math.min(size.y, Math.min(leftTop.y, rightBottom.y))));
maxX =
Math.max(maxX, Math.max(origin.x, Math.max(size.x, Math.max(leftTop.x, rightBottom.x))));
maxY =
Math.max(maxY, Math.max(origin.y, Math.max(size.y, Math.max(leftTop.y, rightBottom.y))));
}
Pools.free(origin);
Pools.free(size);
Pools.free(leftTop);
Pools.free(rightBottom);
resultOrigin.set(minX, minY);
resultSize.set(maxX - minX, maxY - minY);
}
/**
* Applies a key typed event to the actor that has {@link Stage#setKeyboardFocus(Actor) keyboard
* focus}, if any, and returns true if the event was {@link Event#handle() handled}.
*/
public boolean keyTyped(char character) {
Actor target = keyboardFocus == null ? root : keyboardFocus;
InputEvent event = Pools.obtain(InputEvent.class);
event.setStage(this);
event.setType(InputEvent.Type.keyTyped);
event.setCharacter(character);
target.fire(event);
boolean handled = event.isHandled();
Pools.free(event);
return handled;
}
/**
* Applies a key up event to the actor that has {@link Stage#setKeyboardFocus(Actor) keyboard
* focus}, if any, and returns true if the event was {@link Event#handle() handled}.
*/
public boolean keyUp(int keyCode) {
Actor target = keyboardFocus == null ? root : keyboardFocus;
InputEvent event = Pools.obtain(InputEvent.class);
event.setStage(this);
event.setType(InputEvent.Type.keyUp);
event.setKeyCode(keyCode);
target.fire(event);
boolean handled = event.isHandled();
Pools.free(event);
return handled;
}
public void clearTrack(int trackIndex) {
if (trackIndex >= tracks.size) return;
TrackEntry current = tracks.get(trackIndex);
if (current == null) return;
if (current.listener != null) current.listener.end(trackIndex);
for (int i = 0, n = listeners.size; i < n; i++) listeners.get(i).end(trackIndex);
tracks.set(trackIndex, null);
freeAll(current);
if (current.previous != null) Pools.free(current.previous);
}
/** 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);
}
private void dealCards(int round) {
Array<Integer> cards = Pools.obtain(Array.class);
for (int i = 0; i < 4; i++) {
cards.clear();
getDealer().deal(Math.min(round, 13), cards);
players[i].receiveCards(cards);
}
cards.clear();
Pools.free(cards);
layoutCards();
getSounds().playDealSound();
}
/**
* For a given actor computes and applies the transformation to keep the same screen
* transformation in a new group
*
* @param actor
* @param parent
*/
public static void computeTransformFor(Actor actor, Group parent) {
Vector2 tmp1 = Pools.obtain(Vector2.class);
Vector2 tmp2 = Pools.obtain(Vector2.class);
Vector2 tmp3 = Pools.obtain(Vector2.class);
Vector2 tmp4 = Pools.obtain(Vector2.class);
Vector2 tmp5 = Pools.obtain(Vector2.class);
calculateBounds(actor, tmp4, tmp5);
Vector2 o = tmp1.set(tmp4.x, tmp4.y);
Vector2 t = tmp2.set(tmp4.x + tmp5.x, tmp4.y);
Vector2 n = tmp3.set(tmp4.x, tmp4.y + tmp5.y);
actor.localToAscendantCoordinates(parent, o);
actor.localToAscendantCoordinates(parent, t);
actor.localToAscendantCoordinates(parent, n);
actor.setRotation(actor.getRotation() + actor.getParent().getRotation());
applyTransformation(actor, o, t, n);
Pools.free(tmp1);
Pools.free(tmp2);
Pools.free(tmp3);
Pools.free(tmp4);
Pools.free(tmp5);
}
private void setCurrent(int index, TrackEntry entry) {
TrackEntry current = expandToIndex(index);
if (current != null) {
if (current.previous != null) {
Pools.free(current.previous);
current.previous = null;
}
if (current.listener != null) current.listener.end(index);
for (int i = 0, n = listeners.size; i < n; i++) listeners.get(i).end(index);
entry.mixDuration = data.getMix(current.animation, entry.animation);
if (entry.mixDuration > 0) {
entry.mixTime = 0;
entry.previous = current;
} else Pools.free(current);
}
tracks.set(index, entry);
if (entry.listener != null) entry.listener.start(index);
for (int i = 0, n = listeners.size; i < n; i++) listeners.get(i).start(index);
}
/**
* Removes the listener from being notified for all touchDragged and touchUp events for the
* specified pointer and button. Note the listener may never receive a touchUp event if this
* method is used.
*/
public void removeTouchFocus(
EventListener listener, Actor listenerActor, Actor target, int pointer, int button) {
SnapshotArray<TouchFocus> touchFocuses = this.touchFocuses;
for (int i = touchFocuses.size - 1; i >= 0; i--) {
TouchFocus focus = touchFocuses.get(i);
if (focus.listener == listener
&& focus.listenerActor == listenerActor
&& focus.target == target
&& focus.pointer == pointer
&& focus.button == button) {
touchFocuses.removeIndex(i);
Pools.free(focus);
}
}
}
/**
* Applies a mouse scroll event to the stage and returns true if an actor in the scene {@link
* Event#handle() handled} the event. This event only occurs on the desktop.
*/
public boolean scrolled(int amount) {
Actor target = scrollFocus == null ? root : scrollFocus;
screenToStageCoordinates(tempCoords.set(mouseScreenX, mouseScreenY));
InputEvent event = Pools.obtain(InputEvent.class);
event.setStage(this);
event.setType(InputEvent.Type.scrolled);
event.setScrollAmount(amount);
event.setStageX(tempCoords.x);
event.setStageY(tempCoords.y);
target.fire(event);
boolean handled = event.isHandled();
Pools.free(event);
return handled;
}
public boolean touchDown(InputEvent event, float x, float y, int pointer, int button) {
if (pointer == 0 && button != 0) return false;
stageToLocalCoordinates(Vector2.tmp);
x = Vector2.tmp.x;
y = Vector2.tmp.y;
if (x > 0 && x < getWidth() && y > 0 && y < getHeight()) {
listSelectedIndex = (int) ((getHeight() - y) / itemHeight);
listSelectedIndex = Math.max(0, listSelectedIndex);
listSelectedIndex = Math.min(items.length - 1, listSelectedIndex);
selectedIndex = listSelectedIndex;
if (items.length > 0) {
ChangeEvent changeEvent = Pools.obtain(ChangeEvent.class);
SelectBox.this.fire(changeEvent);
Pools.free(changeEvent);
}
}
return true;
}
/**
* Sets this actor as the event {@link Event#setTarget(Actor) target} and propagates the event to
* this actor and ancestor actors as necessary. If this actor is not in the stage, the stage must
* be set before calling this method.
*
* <p>Events are fired in 2 phases. The first phase notifies listeners on each actor starting at
* the root and propagating downward to (and including) this actor. The second phase notifes
* listeners on each actor starting at this actor and, if {@link Event#getBubbles()} is true,
* propagating upward to the root. If the event is {@link Event#stop() stopped} at any time, it
* will not propagate to the next actor.
*
* @return true of the event was {@link Event#cancel() cancelled}.
*/
public boolean fire(Event event) {
if (event.getStage() == null) event.setStage(getStage());
event.setTarget(this);
// Collect ancestors so event propagation is unaffected by hierarchy changes.
Array<Group> ancestors = Pools.obtain(Array.class);
Group parent = getParent();
while (parent != null) {
ancestors.add(parent);
parent = parent.getParent();
}
try {
// Notify all parent capture listeners, starting at the root. Ancestors may stop an event
// before children receive it.
for (int i = ancestors.size - 1; i >= 0; i--) {
Group currentTarget = ancestors.get(i);
currentTarget.notify(event, true);
if (event.isStopped()) return event.isCancelled();
}
// Notify the target capture listeners.
notify(event, true);
if (event.isStopped()) return event.isCancelled();
// Notify the target listeners.
notify(event, false);
if (!event.getBubbles()) return event.isCancelled();
if (event.isStopped()) return event.isCancelled();
// Notify all parent listeners, starting at the target. Children may stop an event before
// ancestors receive it.
for (int i = 0, n = ancestors.size; i < n; i++) {
ancestors.get(i).notify(event, false);
if (event.isStopped()) return event.isCancelled();
}
return event.isCancelled();
} finally {
ancestors.clear();
Pools.free(ancestors);
}
}
public void apply(Skeleton skeleton) {
Array<Event> events = this.events;
int listenerCount = listeners.size;
for (int i = 0; i < tracks.size; i++) {
TrackEntry current = tracks.get(i);
if (current == null) continue;
events.size = 0;
float time = current.time;
boolean loop = current.loop;
if (!loop && time > current.endTime) time = current.endTime;
TrackEntry previous = current.previous;
if (previous == null) current.animation.apply(skeleton, current.lastTime, time, loop, events);
else {
float previousTime = previous.time;
if (!previous.loop && previousTime > previous.endTime) previousTime = previous.endTime;
previous.animation.apply(skeleton, previousTime, previousTime, previous.loop, null);
float alpha = current.mixTime / current.mixDuration;
if (alpha >= 1) {
alpha = 1;
Pools.free(previous);
current.previous = null;
}
current.animation.mix(skeleton, current.lastTime, time, loop, events, alpha);
}
for (int ii = 0, nn = events.size; ii < nn; ii++) {
Event event = events.get(ii);
if (current.listener != null) current.listener.event(i, event);
for (int iii = 0; iii < listenerCount; iii++) listeners.get(iii).event(i, event);
}
current.lastTime = current.time;
}
}
/**
* Calls the {@link Actor#act(float)} method on each actor in the stage. Typically called each
* frame. This method also fires enter and exit events.
*
* @param delta Time in seconds since the last frame.
*/
public void act(float delta) {
// Update over actors. Done in act() because actors may change position, which can fire
// enter/exit without an input event.
for (int pointer = 0, n = pointerOverActors.length; pointer < n; pointer++) {
Actor overLast = pointerOverActors[pointer];
// Check if pointer is gone.
if (!pointerTouched[pointer]) {
if (overLast != null) {
pointerOverActors[pointer] = null;
screenToStageCoordinates(
tempCoords.set(pointerScreenX[pointer], pointerScreenY[pointer]));
// Exit over last.
InputEvent event = Pools.obtain(InputEvent.class);
event.setType(InputEvent.Type.exit);
event.setStage(this);
event.setStageX(tempCoords.x);
event.setStageY(tempCoords.y);
event.setRelatedActor(overLast);
event.setPointer(pointer);
overLast.fire(event);
Pools.free(event);
}
continue;
}
// Update over actor for the pointer.
pointerOverActors[pointer] =
fireEnterAndExit(overLast, pointerScreenX[pointer], pointerScreenY[pointer], pointer);
}
// Update over actor for the mouse on the desktop.
ApplicationType type = Gdx.app.getType();
if (type == ApplicationType.Desktop
|| type == ApplicationType.Applet
|| type == ApplicationType.WebGL)
mouseOverActor = fireEnterAndExit(mouseOverActor, mouseScreenX, mouseScreenY, -1);
// Run actions and determine whether to request rendering (for when setContinuousRendering is
// off)
root.act(delta);
}
/**
* Sets the actor that will receive scroll events.
*
* @param actor May be null.
*/
public void setScrollFocus(Actor actor) {
if (scrollFocus == actor) return;
FocusEvent event = Pools.obtain(FocusEvent.class);
event.setStage(this);
event.setType(FocusEvent.Type.scroll);
Actor oldScrollFocus = scrollFocus;
if (oldScrollFocus != null) {
event.setFocused(false);
event.setRelatedActor(actor);
oldScrollFocus.fire(event);
}
if (!event.isCancelled()) {
scrollFocus = actor;
if (actor != null) {
event.setFocused(true);
event.setRelatedActor(oldScrollFocus);
actor.fire(event);
if (event.isCancelled()) setScrollFocus(oldScrollFocus);
}
}
Pools.free(event);
}
public void free() {
Pools.free(position);
position = null;
object = null;
PlayerContactPool.this.free(this);
}
/** Sets position, rotation, scale and origin in actor to meet the 3 given points */
public static void applyTransformation(
Actor actor, Vector2 origin, Vector2 tangent, Vector2 normal) {
/*
* We are going to calculate the affine transformation for the actor to
* fit the bounds represented by the handles. The affine transformation
* is defined as follows:
*/
// |a b tx|
// |c d ty|=|Translation Matrix| x |Scale Matrix| x |Rotation
// Matrix|
// |0 0 1 |
/*
* More info about affine transformations:
* https://people.gnome.org/~mathieu
* /libart/libart-affine-transformation-matrices.html, To obtain the
* matrix, we want to resolve the following equation system:
*/
// | a b tx| |0| |o.x|
// | c d ty|*|0|=|o.y|
// | 0 0 1 | |1| | 1 |
//
// | a b tx| |w| |t.x|
// | c d ty|*|0|=|t.y|
// | 0 0 1 | |1| | 1 |
//
// | a b tx| |0| |n.x|
// | c d ty|*|h|=|n.y|
// | 0 0 1 | |1| | 1 |
/*
* where o is handles[0] (origin), t is handles[2] (tangent) and n is
* handles[6] (normal), w is actor.getWidth() and h is
* actor.getHeight().
*
* This matrix defines that the 3 points defining actor bounds are
* transformed to the 3 points defining modifier bounds. E.g., we want
* that actor origin (0,0) is transformed to (handles[0].x,
* handles[0].y), and that is expressed in the first equation.
*
* Resolving these equations is obtained:
*/
// a = (t.x - o.y) / w
// b = (t.y - o.y) / w
// c = (n.x - o.x) / h
// d = (n.y - o.y) / h
/*
* Values for translation, scale and rotation contained by the matrix
* can be obtained directly making operations over a, b, c and d:
*/
// tx = o.x
// ty = o.y
// sx = sqrt(a^2+b^2)
// sy = sqrt(c^2+d^2)
// rotation = atan(c/d)
// or
// rotation = atan(-b/a)
/*
* Rotation can give two different values (this happens when there is
* more than one way of obtaining the same transformation). To avoid
* that, we ignore the rotation to obtain the final values.
*/
Vector2 tmp1 = Pools.obtain(Vector2.class);
Vector2 tmp2 = Pools.obtain(Vector2.class);
Vector2 tmp3 = Pools.obtain(Vector2.class);
Vector2 tmp4 = Pools.obtain(Vector2.class);
Vector2 tmp5 = Pools.obtain(Vector2.class);
Vector2 o = tmp1.set(origin.x, origin.y);
Vector2 t = tmp2.set(tangent.x, tangent.y);
Vector2 n = tmp3.set(normal.x, normal.y);
Vector2 vt = tmp4.set(t).sub(o);
Vector2 vn = tmp5.set(n).sub(o);
// Ignore rotation
float rotation = actor.getRotation();
vt.rotate(-rotation);
vn.rotate(-rotation);
t.set(vt).add(o);
n.set(vn).add(o);
Vector2 bottomLeft = Pools.obtain(Vector2.class);
Vector2 size = Pools.obtain(Vector2.class);
calculateBounds(actor, bottomLeft, size);
float a = (t.x - o.x) / size.x;
float c = (t.y - o.y) / size.x;
float b = (n.x - o.x) / size.y;
float d = (n.y - o.y) / size.y;
Pools.free(tmp1);
Pools.free(tmp2);
Pools.free(tmp3);
Pools.free(tmp4);
Pools.free(tmp5);
Pools.free(bottomLeft);
Pools.free(size);
// Math.sqrt gives a positive value, but it also have a negatives.
// The
// signum is calculated computing the current rotation
float signumX = vt.angle() > 90.0f && vt.angle() < 270.0f ? -1.0f : 1.0f;
float signumY = vn.angle() > 180.0f ? -1.0f : 1.0f;
float scaleX = (float) Math.sqrt(a * a + b * b) * signumX;
float scaleY = (float) Math.sqrt(c * c + d * d) * signumY;
actor.setScale(scaleX, scaleY);
/*
* To obtain the correct translation value we need to subtract the
* amount of translation due to the origin.
*/
tmpMatrix.setToTranslation(actor.getOriginX(), actor.getOriginY());
tmpMatrix.rotate(actor.getRotation());
tmpMatrix.scale(actor.getScaleX(), actor.getScaleY());
tmpMatrix.translate(-actor.getOriginX(), -actor.getOriginY());
/*
* Now, the matrix has how much translation is due to the origin
* involved in the rotation and scaling operations
*/
float x = o.x - tmpMatrix.getValues()[Matrix3.M02];
float y = o.y - tmpMatrix.getValues()[Matrix3.M12];
actor.setPosition(x, y);
}
protected void sendEvent(Event _event) {
handleEvent(_event);
_event.setManager(null);
Pools.free(_event);
}
/** Fires that this {@link #focusActor} has gained focus */
private void fireFocus() {
FocusEvent dropEvent = Pools.obtain(FocusEvent.class);
dropEvent.setActor(focusActor);
focusActor.fire(dropEvent);
Pools.free(dropEvent);
}
/**
* Calculates the {@code float} distance to another bounding area.
*
* @param anotherArea Another bounding area
* @param fromBorder If true, distance is calculated between the borders, otherwise they are
* calculated between their centers.
* @return A positive or zero float representing the distance between this bounding area and the
* given one, or a negative float if {@code fromBorder} is true and one area contains the
* other.
*/
public float distanceTo(BoundingAreaComponent anotherArea, boolean fromBorder) {
Vector2 intersection = Pools.obtain(Vector2.class);
float d = distanceTo(anotherArea, intersection, fromBorder);
Pools.free(intersection);
return d;
}
