本文整理了Java中com.badlogic.gdx.utils.Pool类的一些代码示例，展示了Pool类的具体用法。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。Pool类的具体详情如下：
包路径：com.badlogic.gdx.utils.Pool
类名称：Pool

Pool介绍

[英]A pool of objects that can be reused to avoid allocation.
[中]可以重用以避免分配的对象池。

代码示例

代码示例来源：origin: libgdx/libgdx

public Node<E> obtain (Node<E> p, Node<E> n, E value, int index) {
    Node<E> newNode = super.obtain();
    newNode.p = p;
    newNode.n = n;
    newNode.value = value;
    newNode.index = index;
    return newNode;
  }
}

代码示例来源：origin: libgdx/libgdx

/** Removes the tail of the list regardless of iteration status */
public T removeLast () {
  if (tail == null) {
    return null;
  }
  T payload = tail.payload;
  size--;
  Item<T> p = tail.prev;
  pool.free(tail);
  if (size == 0) {
    head = null;
    tail = null;
  } else {
    tail = p;
    tail.next = null;
  }
  return payload;
}

代码示例来源：origin: libgdx/libgdx

private void clearDebugRects () {
  if (debugRects == null) return;
  DebugRect.pool.freeAll(debugRects);
  debugRects.clear();
}

代码示例来源：origin: libgdx/libgdx

public void renderSkeleton (final Vector3 from, final Node node) {
  final Vector3 pos = vectorPool.obtain();
  node.globalTransform.getTranslation(pos);
  shapeRenderer.setColor(node.isAnimated ? Color.RED : Color.YELLOW);
  shapeRenderer.box(pos.x, pos.y, pos.z, 0.5f, 0.5f, 0.5f);
  shapeRenderer.setColor(Color.WHITE);
  shapeRenderer.line(from.x, from.y, from.z, pos.x, pos.y, pos.z);
  for (Node child : node.getChildren())
    renderSkeleton(pos, child);
  vectorPool.free(pos);
}

代码示例来源：origin: libgdx/libgdx

private void getTiles (int startX, int startY, int endX, int endY, Array<Rectangle> tiles) {
  TiledMapTileLayer layer = (TiledMapTileLayer)map.getLayers().get("walls");
  rectPool.freeAll(tiles);
  tiles.clear();
  for (int y = startY; y <= endY; y++) {
    for (int x = startX; x <= endX; x++) {
      Cell cell = layer.getCell(x, y);
      if (cell != null) {
        Rectangle rect = rectPool.obtain();
        rect.set(x, y, 1, 1);
        tiles.add(rect);
      }
    }
  }
}

代码示例来源：origin: libgdx/libgdx

/** Removes all actors and cells from the table. */
public void clearChildren () {
  Array<Cell> cells = this.cells;
  for (int i = cells.size - 1; i >= 0; i--) {
    Cell cell = cells.get(i);
    Actor actor = cell.actor;
    if (actor != null) actor.remove();
  }
  cellPool.freeAll(cells);
  cells.clear();
  rows = 0;
  columns = 0;
  if (rowDefaults != null) cellPool.free(rowDefaults);
  rowDefaults = null;
  implicitEndRow = false;
  super.clearChildren();
}

代码示例来源：origin: libgdx/libgdx

@Override
  public void clear () {
    // Dispose every allocated instance because the templates may be changed
    for (int i = 0, free = pool.getFree(); i < free; ++i) {
      pool.obtain().dispose();
    }
    super.clear();
  }
}

代码示例来源：origin: libgdx/libgdx

public void layout () {
  BitmapFont font = style.font;
  Drawable selectedDrawable = style.selection;
  itemHeight = font.getCapHeight() - font.getDescent() * 2;
  itemHeight += selectedDrawable.getTopHeight() + selectedDrawable.getBottomHeight();
  prefWidth = 0;
  Pool<GlyphLayout> layoutPool = Pools.get(GlyphLayout.class);
  GlyphLayout layout = layoutPool.obtain();
  for (int i = 0; i < items.size; i++) {
    layout.setText(font, toString(items.get(i)));
    prefWidth = Math.max(layout.width, prefWidth);
  }
  layoutPool.free(layout);
  prefWidth += selectedDrawable.getLeftWidth() + selectedDrawable.getRightWidth();
  prefHeight = items.size * itemHeight;
  Drawable background = style.background;
  if (background != null) {
    prefWidth += background.getLeftWidth() + background.getRightWidth();
    prefHeight += background.getTopHeight() + background.getBottomHeight();
  }
}

代码示例来源：origin: libgdx/libgdx

@Override
public void beforeGroup (int group, Array<Decal> contents) {
  if (group == GROUP_BLEND) {
    Gdx.gl.glEnable(GL20.GL_BLEND);
    contents.sort(cameraSorter);
  } else {
    for (int i = 0, n = contents.size; i < n; i++) {
      Decal decal = contents.get(i);
      Array<Decal> materialGroup = materialGroups.get(decal.material);
      if (materialGroup == null) {
        materialGroup = arrayPool.obtain();
        materialGroup.clear();
        usedArrays.add(materialGroup);
        materialGroups.put(decal.material, materialGroup);
      }
      materialGroup.add(decal);
    }
    contents.clear();
    for (Array<Decal> materialGroup : materialGroups.values()) {
      contents.addAll(materialGroup);
    }
    materialGroups.clear();
    arrayPool.freeAll(usedArrays);
    usedArrays.clear();
  }
}

代码示例来源：origin: libgdx/libgdx

/** Removes all actors and cells from the table. */
public void clearChildren () {
  Array<Cell> cells = this.cells;
  for (int i = cells.size - 1; i >= 0; i--) {
    Cell cell = cells.get(i);
    Actor actor = cell.actor;
    if (actor != null) actor.remove();
  }
  cellPool.freeAll(cells);
  cells.clear();
  rows = 0;
  columns = 0;
  if (rowDefaults != null) cellPool.free(rowDefaults);
  rowDefaults = null;
  implicitEndRow = false;
  super.clearChildren();
}

代码示例来源：origin: libgdx/libgdx

@Override
  public void clear () {
    // Dispose every allocated instance because the templates may be changed
    for (int i = 0, free = pool.getFree(); i < free; ++i) {
      pool.obtain().dispose();
    }
    super.clear();
  }
}

代码示例来源：origin: libgdx/libgdx

public Node<E> obtain (Node<E> p, Node<E> n, E value, int index) {
    Node<E> newNode = super.obtain();
    newNode.p = p;
    newNode.n = n;
    newNode.value = value;
    newNode.index = index;
    return newNode;
  }
}

代码示例来源：origin: libgdx/libgdx

/** Removes the tail of the list regardless of iteration status */
public T removeLast () {
  if (tail == null) {
    return null;
  }
  T payload = tail.payload;
  size--;
  Item<T> p = tail.prev;
  pool.free(tail);
  if (size == 0) {
    head = null;
    tail = null;
  } else {
    tail = p;
    tail.next = null;
  }
  return payload;
}

代码示例来源：origin: libgdx/libgdx

public void layout () {
  BitmapFont font = style.font;
  Drawable selectedDrawable = style.selection;
  itemHeight = font.getCapHeight() - font.getDescent() * 2;
  itemHeight += selectedDrawable.getTopHeight() + selectedDrawable.getBottomHeight();
  prefWidth = 0;
  Pool<GlyphLayout> layoutPool = Pools.get(GlyphLayout.class);
  GlyphLayout layout = layoutPool.obtain();
  for (int i = 0; i < items.size; i++) {
    layout.setText(font, toString(items.get(i)));
    prefWidth = Math.max(layout.width, prefWidth);
  }
  layoutPool.free(layout);
  prefWidth += selectedDrawable.getLeftWidth() + selectedDrawable.getRightWidth();
  prefHeight = items.size * itemHeight;
  Drawable background = style.background;
  if (background != null) {
    prefWidth += background.getLeftWidth() + background.getRightWidth();
    prefHeight += background.getTopHeight() + background.getBottomHeight();
  }
}

代码示例来源：origin: libgdx/libgdx

@Override
public void beforeGroup (int group, Array<Decal> contents) {
  if (group == GROUP_BLEND) {
    Gdx.gl.glEnable(GL20.GL_BLEND);
    contents.sort(cameraSorter);
  } else {
    for (int i = 0, n = contents.size; i < n; i++) {
      Decal decal = contents.get(i);
      Array<Decal> materialGroup = materialGroups.get(decal.material);
      if (materialGroup == null) {
        materialGroup = arrayPool.obtain();
        materialGroup.clear();
        usedArrays.add(materialGroup);
        materialGroups.put(decal.material, materialGroup);
      }
      materialGroup.add(decal);
    }
    contents.clear();
    for (Array<Decal> materialGroup : materialGroups.values()) {
      contents.addAll(materialGroup);
    }
    materialGroups.clear();
    arrayPool.freeAll(usedArrays);
    usedArrays.clear();
  }
}

代码示例来源：origin: libgdx/libgdx

public void flush () {
    super.freeAll(obtained);
    obtained.clear();
  }
}

代码示例来源：origin: libgdx/libgdx

private AnimationDesc obtain (final Animation anim, float offset, float duration, int loopCount, float speed,
  final AnimationListener listener) {
  if (anim == null) return null;
  final AnimationDesc result = animationPool.obtain();
  result.animation = anim;
  result.listener = listener;
  result.loopCount = loopCount;
  result.speed = speed;
  result.offset = offset;
  result.duration = duration < 0 ? (anim.duration - offset) : duration;
  result.time = speed < 0 ? result.duration : 0.f;
  return result;
}

代码示例来源：origin: libgdx/libgdx

@Override
public void free (T object) {
  obtained.removeValue(object, true);
  super.free(object);
}

代码示例来源：origin: libgdx/libgdx

colors.add(colorPool.obtain().set(hits.get(i).getColor()));
    hits.get(i).setColor(Color.RED);
    colors.add(colorPool.obtain().set(contacts.get(i).getColor()));
    contacts.get(i).setColor(Color.BLUE);
for (int i = 0; i < contacts.size; i++)
  contacts.get(i).setColor(colors.get(hits.size + i));
colorPool.freeAll(colors);
colors.clear();

代码示例来源：origin: libgdx/libgdx

@Override
  public void freeAll (Array<T> objects) {
    obtained.removeAll(objects, true);
    super.freeAll(objects);
  }
}