com.badlogic.gdx.scenes.scene2d.Actor.getParent()方法的使用及代码示例

x33g5p2x  于2022-01-16 转载在 其他  
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本文整理了Java中com.badlogic.gdx.scenes.scene2d.Actor.getParent()方法的一些代码示例，展示了Actor.getParent()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Actor.getParent()方法的具体详情如下：
包路径：com.badlogic.gdx.scenes.scene2d.Actor
类名称：Actor
方法名：getParent

Actor.getParent介绍

[英]Returns the parent actor, or null if not in a group.
[中]返回父参与者，如果不在组中，则返回null。

代码示例

代码示例来源：origin: libgdx/libgdx

/** Returns the tree this node is currently in, or null. */
public Tree getTree () {
  Group parent = actor.getParent();
  if (!(parent instanceof Tree)) return null;
  return (Tree)parent;
}

代码示例来源：origin: libgdx/libgdx

/** Returns the tree this node is currently in, or null. */
public Tree getTree () {
  Group parent = actor.getParent();
  if (!(parent instanceof Tree)) return null;
  return (Tree)parent;
}

代码示例来源：origin: libgdx/libgdx

/** Sets the actor in this cell and adds the actor to the cell's table. If null, removes any current actor. */
public <A extends Actor> Cell<A> setActor (A newActor) {
  if (actor != newActor) {
    if (actor != null && actor.getParent() == table) actor.remove();
    actor = newActor;
    if (newActor != null) table.addActor(newActor);
  }
  return (Cell<A>)this;
}

代码示例来源：origin: libgdx/libgdx

public void changed (ChangeEvent event, Actor actor) {
    if (!values.containsKey(actor)) return;
    while (actor.getParent() != buttonTable)
      actor = actor.getParent();
    result(values.get(actor));
    if (!cancelHide) hide();
    cancelHide = false;
  }
});

代码示例来源：origin: libgdx/libgdx

public void changed (ChangeEvent event, Actor actor) {
    if (!values.containsKey(actor)) return;
    while (actor.getParent() != buttonTable)
      actor = actor.getParent();
    result(values.get(actor));
    if (!cancelHide) hide();
    cancelHide = false;
  }
});

代码示例来源：origin: libgdx/libgdx

/** Sets the actor in this cell and adds the actor to the cell's table. If null, removes any current actor. */
public <A extends Actor> Cell<A> setActor (A newActor) {
  if (actor != newActor) {
    if (actor != null && actor.getParent() == table) actor.remove();
    actor = newActor;
    if (newActor != null) table.addActor(newActor);
  }
  return (Cell<A>)this;
}

代码示例来源：origin: libgdx/libgdx

public Actor hit (float x, float y, boolean touchable) {
  if (!isVisible()) return null;
  Actor hit = super.hit(x, y, touchable);
  if (hit == null && isModal && (!touchable || getTouchable() == Touchable.enabled)) return this;
  float height = getHeight();
  if (hit == null || hit == this) return hit;
  if (y <= height && y >= height - getPadTop() && x >= 0 && x <= getWidth()) {
    // Hit the title bar, don't use the hit child if it is in the Window's table.
    Actor current = hit;
    while (current.getParent() != this)
      current = current.getParent();
    if (getCell(current) != null) return this;
  }
  return hit;
}

代码示例来源：origin: libgdx/libgdx

public Actor hit (float x, float y, boolean touchable) {
  if (!isVisible()) return null;
  Actor hit = super.hit(x, y, touchable);
  if (hit == null && isModal && (!touchable || getTouchable() == Touchable.enabled)) return this;
  float height = getHeight();
  if (hit == null || hit == this) return hit;
  if (y <= height && y >= height - getPadTop() && x >= 0 && x <= getWidth()) {
    // Hit the title bar, don't use the hit child if it is in the Window's table.
    Actor current = hit;
    while (current.getParent() != this)
      current = current.getParent();
    if (getCell(current) != null) return this;
  }
  return hit;
}

代码示例来源：origin: libgdx/libgdx

/** @return May be null. */
private TextField findNextTextField (Array<Actor> actors, TextField best, Vector2 bestCoords, Vector2 currentCoords,
  boolean up) {
  for (int i = 0, n = actors.size; i < n; i++) {
    Actor actor = actors.get(i);
    if (actor instanceof TextField) {
      if (actor == this) continue;
      TextField textField = (TextField)actor;
      if (textField.isDisabled() || !textField.focusTraversal || !textField.ancestorsVisible()) continue;
      Vector2 actorCoords = actor.getParent().localToStageCoordinates(tmp3.set(actor.getX(), actor.getY()));
      boolean below = actorCoords.y != currentCoords.y && (actorCoords.y < currentCoords.y ^ up);
      boolean right = actorCoords.y == currentCoords.y && (actorCoords.x > currentCoords.x ^ up);
      if (!below && !right) continue;
      boolean better = best == null || (actorCoords.y != bestCoords.y && (actorCoords.y > bestCoords.y ^ up));
      if (!better) better = actorCoords.y == bestCoords.y && (actorCoords.x < bestCoords.x ^ up);
      if (better) {
        best = (TextField)actor;
        bestCoords.set(actorCoords);
      }
    } else if (actor instanceof Group)
      best = findNextTextField(((Group)actor).getChildren(), best, bestCoords, currentCoords, up);
  }
  return best;
}

代码示例来源：origin: libgdx/libgdx

/** @return May be null. */
private TextField findNextTextField (Array<Actor> actors, TextField best, Vector2 bestCoords, Vector2 currentCoords,
  boolean up) {
  for (int i = 0, n = actors.size; i < n; i++) {
    Actor actor = actors.get(i);
    if (actor instanceof TextField) {
      if (actor == this) continue;
      TextField textField = (TextField)actor;
      if (textField.isDisabled() || !textField.focusTraversal || !textField.ancestorsVisible()) continue;
      Vector2 actorCoords = actor.getParent().localToStageCoordinates(tmp3.set(actor.getX(), actor.getY()));
      boolean below = actorCoords.y != currentCoords.y && (actorCoords.y < currentCoords.y ^ up);
      boolean right = actorCoords.y == currentCoords.y && (actorCoords.x > currentCoords.x ^ up);
      if (!below && !right) continue;
      boolean better = best == null || (actorCoords.y != bestCoords.y && (actorCoords.y > bestCoords.y ^ up));
      if (!better) better = actorCoords.y == bestCoords.y && (actorCoords.x < bestCoords.x ^ up);
      if (better) {
        best = (TextField)actor;
        bestCoords.set(actorCoords);
      }
    } else if (actor instanceof Group)
      best = findNextTextField(((Group)actor).getChildren(), best, bestCoords, currentCoords, up);
  }
  return best;
}

代码示例来源：origin: libgdx/libgdx

private boolean isCulled () {
    // we start by setting the stage coordinates to this
    // actors coordinates which are relative to its parent
    // Group.
    float stageX = getX();
    float stageY = getY();
    // now we go up the hierarchy and add all the parents'
    // coordinates to this actors coordinates. Note that
    // this assumes that neither this actor nor any of its
    // parents are rotated or scaled!
    Actor parent = this.getParent();
    while (parent != null) {
      stageX += parent.getX();
      stageY += parent.getY();
      parent = parent.getParent();
    }
    // now we check if the rectangle of this actor in screen
    // coordinates is in the rectangle spanned by the camera's
    // view. This assumes that the camera has no zoom and is
    // not rotated!
    actorRect.set(stageX, stageY, getWidth(), getHeight());
    camRect.set(camera.position.x - camera.viewportWidth / 2.0f, camera.position.y - camera.viewportHeight / 2.0f,
      camera.viewportWidth, camera.viewportHeight);
    visible = camRect.overlaps(actorRect);
    return !visible;
  }
}

代码示例来源：origin: com.badlogicgames.gdx/gdx

/** Returns the tree this node is currently in, or null. */
public Tree getTree () {
  Group parent = actor.getParent();
  if (!(parent instanceof Tree)) return null;
  return (Tree)parent;
}

代码示例来源：origin: kotcrab/vis-ui

/**
 * @param actor might be in the drag pane.
 * @return true if actor is added to the pane's internal group.
 */
public boolean contains (final Actor actor) {
  return actor.getParent() == getActor();
}

代码示例来源：origin: kotcrab/vis-ui

/**
 * Checks if actor is visible in stage acknowledging parent visibility.
 * If any parent returns false from isVisible then this method return false.
 * True is returned when this actor and all its parent are visible.
 */
private boolean isActorVisibleInStage (Actor actor) {
  if (actor == null) return true;
  if (actor.isVisible() == false) return false;
  return isActorVisibleInStage(actor.getParent());
}

代码示例来源：origin: com.badlogicgames.gdx/gdx

public void changed (ChangeEvent event, Actor actor) {
    if (!values.containsKey(actor)) return;
    while (actor.getParent() != buttonTable)
      actor = actor.getParent();
    result(values.get(actor));
    if (!cancelHide) hide();
    cancelHide = false;
  }
});

代码示例来源：origin: kotcrab/vis-ui

@Override
  public void changed (ChangeEvent event, Actor actor) {
    if (!values.containsKey(actor)) return;
    while (actor.getParent() != buttonTable)
      actor = actor.getParent();
    result(values.get(actor));
    if (!cancelHide) hide();
    cancelHide = false;
  }
});

代码示例来源：origin: kotcrab/vis-ui

private Window findModalWindow (Actor actor) {
  if (actor == null) return null;
  if (actor instanceof Window && ((Window) actor).isModal()) return (Window) actor;
  return findModalWindow(actor.getParent());
}

代码示例来源：origin: com.badlogicgames.gdx/gdx

/** Sets the actor in this cell and adds the actor to the cell's table. If null, removes any current actor. */
public <A extends Actor> Cell<A> setActor (A newActor) {
  if (actor != newActor) {
    if (actor != null && actor.getParent() == table) actor.remove();
    actor = newActor;
    if (newActor != null) table.addActor(newActor);
  }
  return (Cell<A>)this;
}

代码示例来源：origin: dingjibang/GDX-RPG

public static float absoluteY(Actor actor){
  float val = 0;
  val += actor.getY();
  Actor parent = actor;
  while(true){
    Actor _p = parent.getParent();
    if(_p == null) break;
    val += parent.localToParentCoordinates(new Vector2(parent.getX(),parent.getY())).y;
    parent = parent.getParent();
  }
  return val;
}

代码示例来源：origin: dingjibang/GDX-RPG

public static float absoluteX(Actor actor){
  float val = 0;
  val += actor.getX();
  Actor parent = actor;
  while(true){
    Actor _p = parent.getParent();
    if(_p == null) break;
    val += parent.localToParentCoordinates(new Vector2(0,0)).x;
    parent = _p;
  }
  return val;
}

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