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

x33g5p2x  于2022-01-30 转载在 其他  
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本文整理了Java中com.badlogic.gdx.scenes.scene2d.Stage.getRoot()方法的一些代码示例，展示了Stage.getRoot()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。Stage.getRoot()方法的具体详情如下：
包路径：com.badlogic.gdx.scenes.scene2d.Stage
类名称：Stage
方法名：getRoot

Stage.getRoot介绍

[英]Returns the root group which holds all actors in the stage.
[中]返回包含舞台中所有演员的根组。

代码示例

代码示例来源：origin: libgdx/libgdx

public Target (Actor actor) {
  if (actor == null) throw new IllegalArgumentException("actor cannot be null.");
  this.actor = actor;
  Stage stage = actor.getStage();
  if (stage != null && actor == stage.getRoot())
    throw new IllegalArgumentException("The stage root cannot be a drag and drop target.");
}

代码示例来源：origin: libgdx/libgdx

public Target (Actor actor) {
  if (actor == null) throw new IllegalArgumentException("actor cannot be null.");
  this.actor = actor;
  Stage stage = actor.getStage();
  if (stage != null && actor == stage.getRoot())
    throw new IllegalArgumentException("The stage root cannot be a drag and drop target.");
}

代码示例来源：origin: libgdx/libgdx

private void focusChanged (FocusEvent event) {
    Stage stage = getStage();
    if (isModal && stage != null && stage.getRoot().getChildren().size > 0
      && stage.getRoot().getChildren().peek() == Dialog.this) { // Dialog is top most actor.
      Actor newFocusedActor = event.getRelatedActor();
      if (newFocusedActor != null && !newFocusedActor.isDescendantOf(Dialog.this)
        && !(newFocusedActor.equals(previousKeyboardFocus) || newFocusedActor.equals(previousScrollFocus)))
        event.cancel();
    }
  }
};

代码示例来源：origin: libgdx/libgdx

private void focusChanged (FocusEvent event) {
    Stage stage = getStage();
    if (isModal && stage != null && stage.getRoot().getChildren().size > 0
      && stage.getRoot().getChildren().peek() == Dialog.this) { // Dialog is top most actor.
      Actor newFocusedActor = event.getRelatedActor();
      if (newFocusedActor != null && !newFocusedActor.isDescendantOf(Dialog.this)
        && !(newFocusedActor.equals(previousKeyboardFocus) || newFocusedActor.equals(previousScrollFocus)))
        event.cancel();
    }
  }
};

代码示例来源：origin: libgdx/libgdx

@Override
public void create () {
  texture = new Texture(Gdx.files.internal("data/badlogicsmall.jpg"));
  stage = new Stage();
  for (int i = 0; i < 100; i++) {
    Image img = new Image(new TextureRegion(texture));
    img.setX((float)Math.random() * 480);
    img.setY((float)Math.random() * 320);
    img.getColor().a = (float)Math.random() * 0.5f + 0.5f;
    stage.addActor(img);
  }
  stage.getRoot().addAction(forever(sequence(fadeOut(3), fadeIn(3))));
}

代码示例来源：origin: libgdx/libgdx

public void validate () {
  if (!layoutEnabled) return;
  Group parent = getParent();
  if (fillParent && parent != null) {
    float parentWidth, parentHeight;
    Stage stage = getStage();
    if (stage != null && parent == stage.getRoot()) {
      parentWidth = stage.getWidth();
      parentHeight = stage.getHeight();
    } else {
      parentWidth = parent.getWidth();
      parentHeight = parent.getHeight();
    }
    setSize(parentWidth, parentHeight);
  }
  if (!needsLayout) return;
  needsLayout = false;
  layout();
}

代码示例来源：origin: libgdx/libgdx

float minHeight = getMinHeight(), maxHeight = getMaxHeight();
Stage stage = getStage();
boolean clampPosition = keepWithinStage && getParent() == stage.getRoot();

代码示例来源：origin: libgdx/libgdx

float minHeight = getMinHeight(), maxHeight = getMaxHeight();
Stage stage = getStage();
boolean clampPosition = keepWithinStage && getParent() == stage.getRoot();

代码示例来源：origin: libgdx/libgdx

public void validate () {
  if (!layoutEnabled) return;
  Group parent = getParent();
  if (fillParent && parent != null) {
    float parentWidth, parentHeight;
    Stage stage = getStage();
    if (stage != null && parent == stage.getRoot()) {
      parentWidth = stage.getWidth();
      parentHeight = stage.getHeight();
    } else {
      parentWidth = parent.getWidth();
      parentHeight = parent.getHeight();
    }
    setSize(parentWidth, parentHeight);
  }
  if (!needsLayout) return;
  needsLayout = false;
  layout();
}

代码示例来源：origin: libgdx/libgdx

float parentWidth, parentHeight;
Stage stage = getStage();
if (stage != null && parent == stage.getRoot()) {
  parentWidth = stage.getWidth();
  parentHeight = stage.getHeight();

代码示例来源：origin: libgdx/libgdx

float parentWidth, parentHeight;
Stage stage = getStage();
if (stage != null && parent == stage.getRoot()) {
  parentWidth = stage.getWidth();
  parentHeight = stage.getHeight();

代码示例来源：origin: libgdx/libgdx

public void keepWithinStage () {
  if (!keepWithinStage) return;
  Stage stage = getStage();
  if (stage == null) return;
  Camera camera = stage.getCamera();
  if (camera instanceof OrthographicCamera) {
    OrthographicCamera orthographicCamera = (OrthographicCamera)camera;
    float parentWidth = stage.getWidth();
    float parentHeight = stage.getHeight();
    if (getX(Align.right) - camera.position.x > parentWidth / 2 / orthographicCamera.zoom)
      setPosition(camera.position.x + parentWidth / 2 / orthographicCamera.zoom, getY(Align.right), Align.right);
    if (getX(Align.left) - camera.position.x < -parentWidth / 2 / orthographicCamera.zoom)
      setPosition(camera.position.x - parentWidth / 2 / orthographicCamera.zoom, getY(Align.left), Align.left);
    if (getY(Align.top) - camera.position.y > parentHeight / 2 / orthographicCamera.zoom)
      setPosition(getX(Align.top), camera.position.y + parentHeight / 2 / orthographicCamera.zoom, Align.top);
    if (getY(Align.bottom) - camera.position.y < -parentHeight / 2 / orthographicCamera.zoom)
      setPosition(getX(Align.bottom), camera.position.y - parentHeight / 2 / orthographicCamera.zoom, Align.bottom);
  } else if (getParent() == stage.getRoot()) {
    float parentWidth = stage.getWidth();
    float parentHeight = stage.getHeight();
    if (getX() < 0) setX(0);
    if (getRight() > parentWidth) setX(parentWidth - getWidth());
    if (getY() < 0) setY(0);
    if (getTop() > parentHeight) setY(parentHeight - getHeight());
  }
}

代码示例来源：origin: libgdx/libgdx

public void keepWithinStage () {
  if (!keepWithinStage) return;
  Stage stage = getStage();
  if (stage == null) return;
  Camera camera = stage.getCamera();
  if (camera instanceof OrthographicCamera) {
    OrthographicCamera orthographicCamera = (OrthographicCamera)camera;
    float parentWidth = stage.getWidth();
    float parentHeight = stage.getHeight();
    if (getX(Align.right) - camera.position.x > parentWidth / 2 / orthographicCamera.zoom)
      setPosition(camera.position.x + parentWidth / 2 / orthographicCamera.zoom, getY(Align.right), Align.right);
    if (getX(Align.left) - camera.position.x < -parentWidth / 2 / orthographicCamera.zoom)
      setPosition(camera.position.x - parentWidth / 2 / orthographicCamera.zoom, getY(Align.left), Align.left);
    if (getY(Align.top) - camera.position.y > parentHeight / 2 / orthographicCamera.zoom)
      setPosition(getX(Align.top), camera.position.y + parentHeight / 2 / orthographicCamera.zoom, Align.top);
    if (getY(Align.bottom) - camera.position.y < -parentHeight / 2 / orthographicCamera.zoom)
      setPosition(getX(Align.bottom), camera.position.y - parentHeight / 2 / orthographicCamera.zoom, Align.bottom);
  } else if (getParent() == stage.getRoot()) {
    float parentWidth = stage.getWidth();
    float parentHeight = stage.getHeight();
    if (getX() < 0) setX(0);
    if (getRight() > parentWidth) setX(parentWidth - getWidth());
    if (getY() < 0) setY(0);
    if (getTop() > parentHeight) setY(parentHeight - getHeight());
  }
}

代码示例来源：origin: libgdx/libgdx

stage.act(Gdx.graphics.getDeltaTime());
stage.getBatch().disableBlending();
Group root = stage.getRoot();
Array<Actor> actors = root.getChildren();

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

public Target (Actor actor) {
  if (actor == null) throw new IllegalArgumentException("actor cannot be null.");
  this.actor = actor;
  Stage stage = actor.getStage();
  if (stage != null && actor == stage.getRoot())
    throw new IllegalArgumentException("The stage root cannot be a drag and drop target.");
}

代码示例来源：origin: peakgames/libgdx-stagebuilder

public void setStage(Stage stage) {
  this.stage = stage;
  screenHeight = (int) stage.getHeight();
  ignoreFocusChangeActorsList = new HashSet<String>();
  addFocusChangedListenerToStage();
  initialYCoordinateMap.clear();
  for(Actor actor : stage.getRoot().getChildren()) {
    initialYCoordinateMap.put(actor, actor.getY());
  }
}

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

private void focusChanged (FocusEvent event) {
    Stage stage = getStage();
    if (isModal && stage != null && stage.getRoot().getChildren().size > 0
      && stage.getRoot().getChildren().peek() == Dialog.this) { // Dialog is top most actor.
      Actor newFocusedActor = event.getRelatedActor();
      if (newFocusedActor != null && !newFocusedActor.isDescendantOf(Dialog.this)
        && !(newFocusedActor.equals(previousKeyboardFocus) || newFocusedActor.equals(previousScrollFocus)))
        event.cancel();
    }
  }
};

代码示例来源：origin: manuelbua/uracer-kotd

private void focusChanged (FocusEvent event) {
    Stage stage = getStage();
    if (isModal && stage != null && stage.getRoot().getChildren().size > 0
      && stage.getRoot().getChildren().peek() == Dialog.this) { // Dialog is top most actor.
      Actor newFocusedActor = event.getRelatedActor();
      if (newFocusedActor != null && !newFocusedActor.isDescendantOf(Dialog.this)) event.cancel();
    }
  }
});

代码示例来源：origin: kotcrab/vis-ui

private void focusChanged (FocusEvent event) {
    Stage stage = getStage();
    if (isModal() && stage != null && stage.getRoot().getChildren().size > 0
        && stage.getRoot().getChildren().peek() == VisDialog.this) { // Dialog is top most actor.
      Actor newFocusedActor = event.getRelatedActor();
      if (newFocusedActor != null && !newFocusedActor.isDescendantOf(VisDialog.this)) event.cancel();
    }
  }
};

代码示例来源：origin: langurmonkey/gaiasky

@Override
public void expandGuiComponent(String name) {
  IGui gui = GaiaSky.instance.mainGui;
  ControlsWindow controls = (ControlsWindow) gui.getGuiStage().getRoot()
      .findActor(I18n.bundle.get("gui.controlpanel"));
  controls.getCollapsiblePane(name).expandPane();
}

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