com.ardor3d.scenegraph.Node.getChild()方法的使用及代码示例

x33g5p2x  于2022-01-25 转载在 其他  
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本文整理了Java中com.ardor3d.scenegraph.Node.getChild()方法的一些代码示例，展示了Node.getChild()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。Node.getChild()方法的具体详情如下：
包路径：com.ardor3d.scenegraph.Node
类名称：Node
方法名：getChild

Node.getChild介绍

[英]getChild returns a child at a given index.
[中]getChild返回给定索引处的子级。

代码示例

代码示例来源：origin: Renanse/Ardor3D

  1. public Object getChild(final Object parent, final int index) {
  2.   if (parent instanceof UIFrame) {
  3.     return index == 0 ? ((UIFrame) parent).getContentPanel() : null;
  4.   }
  5.   if (parent instanceof Node) {
  6.     final Node parentNode = (Node) parent;
  7.     return parentNode.getChild(index);
  8.   }
  9.   return null;
  10. }

代码示例来源：origin: com.ardor3d/ardor3d-animation

  1. private Spatial findChild(final Spatial root, final String key) {
  2.   if (_spatialCache.containsKey(key)) {
  3.     return _spatialCache.get(key);
  4.   }
  5.   if (key.equals(root.getName())) {
  6.     _spatialCache.put(key, root);
  7.     return root;
  8.   } else if (root instanceof Node) {
  9.     final Spatial spat = ((Node) root).getChild(key);
  10.     if (spat != null) {
  11.       _spatialCache.put(key, spat);
  12.       return spat;
  13.     }
  14.   }
  15.   return null;
  16. }

代码示例来源：origin: Renanse/Ardor3D

  1. private Spatial findChild(final Spatial root, final String key) {
  2.   if (_spatialCache.containsKey(key)) {
  3.     return _spatialCache.get(key);
  4.   }
  5.   if (key.equals(root.getName())) {
  6.     _spatialCache.put(key, root);
  7.     return root;
  8.   } else if (root instanceof Node) {
  9.     final Spatial spat = ((Node) root).getChild(key);
  10.     if (spat != null) {
  11.       _spatialCache.put(key, spat);
  12.       return spat;
  13.     }
  14.   }
  15.   return null;
  16. }

代码示例来源：origin: Renanse/Ardor3D

  1. @Override
  2. public void sortLights() {
  3.   for (int i = getNumberOfChildren() - 1; i >= 0; i--) {
  4.     final Spatial pkChild = getChild(i);
  5.     if (pkChild != null) {
  6.       pkChild.sortLights();
  7.     }
  8.   }
  9. }

代码示例来源：origin: com.ardor3d/ardor3d-core

  1. @Override
  2. protected void updateChildren(final double time) {
  3.   for (int i = getNumberOfChildren() - 1; i >= 0; i--) {
  4.     final Spatial pkChild = getChild(i);
  5.     if (pkChild != null) {
  6.       pkChild.updateGeometricState(time, false);
  7.     }
  8.   }
  9. }

代码示例来源：origin: com.ardor3d/ardor3d-core

  1. @Override
  2. public void sortLights() {
  3.   for (int i = getNumberOfChildren() - 1; i >= 0; i--) {
  4.     final Spatial pkChild = getChild(i);
  5.     if (pkChild != null) {
  6.       pkChild.sortLights();
  7.     }
  8.   }
  9. }

代码示例来源：origin: Renanse/Ardor3D

  1. @Override
  2. protected void updateChildren(final double time) {
  3.   for (int i = getNumberOfChildren() - 1; i >= 0; i--) {
  4.     final Spatial pkChild = getChild(i);
  5.     if (pkChild != null) {
  6.       pkChild.updateGeometricState(time, false);
  7.     }
  8.   }
  9. }

代码示例来源：origin: com.ardor3d/ardor3d-core

  1. /**
  2.  * <code>getChild</code> returns the first child found with exactly the given name (case sensitive.) If our children
  3.  * are Nodes, we will search their children as well.
  4.  * 
  5.  * @param name
  6.  *            the name of the child to retrieve. If null, we'll return null.
  7.  * @return the child if found, or null.
  8.  */
  9. public Spatial getChild(final String name) {
  10.   if (name == null) {
  11.     return null;
  12.   }
  13.   for (int i = getNumberOfChildren() - 1; i >= 0; i--) {
  14.     final Spatial child = _children.get(i);
  15.     if (name.equals(child.getName())) {
  16.       return child;
  17.     } else if (child instanceof Node) {
  18.       final Spatial out = ((Node) child).getChild(name);
  19.       if (out != null) {
  20.         return out;
  21.       }
  22.     }
  23.   }
  24.   return null;
  25. }

代码示例来源：origin: Renanse/Ardor3D

  1. /**
  2.  * <code>getChild</code> returns the first child found with exactly the given name (case sensitive.) If our children
  3.  * are Nodes, we will search their children as well.
  4.  *
  5.  * @param name
  6.  *            the name of the child to retrieve. If null, we'll return null.
  7.  * @return the child if found, or null.
  8.  */
  9. public Spatial getChild(final String name) {
  10.   if (name == null) {
  11.     return null;
  12.   }
  13.   for (int i = getNumberOfChildren() - 1; i >= 0; i--) {
  14.     final Spatial child = _children.get(i);
  15.     if (name.equals(child.getName())) {
  16.       return child;
  17.     } else if (child instanceof Node) {
  18.       final Spatial out = ((Node) child).getChild(name);
  19.       if (out != null) {
  20.         return out;
  21.       }
  22.     }
  23.   }
  24.   return null;
  25. }

代码示例来源：origin: com.ardor3d/ardor3d-core

  1. /**
  2.  * removes all collision trees associated with a Spatial object.
  3.  * 
  4.  * @param object
  5.  *            the spatial to remove all collision trees from.
  6.  */
  7. public void removeCollisionTree(final Spatial object) {
  8.   if (object instanceof Node) {
  9.     final Node n = (Node) object;
  10.     for (int i = n.getNumberOfChildren() - 1; i >= 0; i--) {
  11.       removeCollisionTree(n.getChild(i));
  12.     }
  13.   } else if (object instanceof Mesh) {
  14.     removeCollisionTree((Mesh) object);
  15.   }
  16. }

代码示例来源：origin: Renanse/Ardor3D

  1. /**
  2.  * removes all collision trees associated with a Spatial object.
  3.  * 
  4.  * @param object
  5.  *            the spatial to remove all collision trees from.
  6.  */
  7. public void removeCollisionTree(final Spatial object) {
  8.   if (object instanceof Node) {
  9.     final Node n = (Node) object;
  10.     for (int i = n.getNumberOfChildren() - 1; i >= 0; i--) {
  11.       removeCollisionTree(n.getChild(i));
  12.     }
  13.   } else if (object instanceof Mesh) {
  14.     removeCollisionTree((Mesh) object);
  15.   }
  16. }

代码示例来源：origin: Renanse/Ardor3D

  1. /**
  2.  * updates the existing tree(s) for a supplied spatial. If this tree does not exist, the tree is not updated. If the
  3.  * tree is not in the cache, no further operations are handled.
  4.  * 
  5.  * @param object
  6.  *            the object on which to update the tree.
  7.  */
  8. public void updateCollisionTree(final Spatial object) {
  9.   if (object instanceof Node) {
  10.     final Node n = (Node) object;
  11.     for (int i = n.getNumberOfChildren() - 1; i >= 0; i--) {
  12.       updateCollisionTree(n.getChild(i));
  13.     }
  14.   } else if (object instanceof Mesh) {
  15.     updateCollisionTree((Mesh) object);
  16.   }
  17. }

代码示例来源：origin: com.ardor3d/ardor3d-core

  1. /**
  2.  * updates the existing tree(s) for a supplied spatial. If this tree does not exist, the tree is not updated. If the
  3.  * tree is not in the cache, no further operations are handled.
  4.  * 
  5.  * @param object
  6.  *            the object on which to update the tree.
  7.  */
  8. public void updateCollisionTree(final Spatial object) {
  9.   if (object instanceof Node) {
  10.     final Node n = (Node) object;
  11.     for (int i = n.getNumberOfChildren() - 1; i >= 0; i--) {
  12.       updateCollisionTree(n.getChild(i));
  13.     }
  14.   } else if (object instanceof Mesh) {
  15.     updateCollisionTree((Mesh) object);
  16.   }
  17. }

代码示例来源：origin: Renanse/Ardor3D

  1. public static void trimEmptyBranches(final Spatial spatial) {
  2.   if (spatial instanceof Node) {
  3.     final Node node = (Node) spatial;
  4.     for (int i = node.getNumberOfChildren(); --i >= 0;) {
  5.       trimEmptyBranches(node.getChild(i));
  6.     }
  7.     if (node.getNumberOfChildren() <= 0) {
  8.       spatial.removeFromParent();
  9.     }
  10.   }
  11. }

代码示例来源：origin: com.ardor3d/ardor3d-core

  1. public static void trimEmptyBranches(final Spatial spatial) {
  2.     if (spatial instanceof Node) {
  3.       final Node node = (Node) spatial;
  4.       for (int i = node.getNumberOfChildren(); --i >= 0;) {
  5.         trimEmptyBranches(node.getChild(i));
  6.       }
  7.       if (node.getNumberOfChildren() <= 0) {
  8.         spatial.removeFromParent();
  9.       }
  10.     }
  11.   }
  12. }

代码示例来源：origin: Renanse/Ardor3D

  1. /**
  2.  * Recreate this Collision Tree for the given Node and child index.
  3.  * 
  4.  * @param childIndex
  5.  *            the index of the child to generate the tree for.
  6.  * @param parent
  7.  *            The Node that this tree should represent.
  8.  * @param doSort
  9.  *            true to sort primitives during creation, false otherwise
  10.  */
  11. public void construct(final int childIndex, final int section, final Node parent, final boolean doSort) {
  12.   final Spatial spat = parent.getChild(childIndex);
  13.   if (spat instanceof Mesh) {
  14.     _mesh = makeRef((Mesh) spat);
  15.     _primitiveIndices = new int[((Mesh) spat).getMeshData().getPrimitiveCount(section)];
  16.     for (int i = 0; i < _primitiveIndices.length; i++) {
  17.       _primitiveIndices[i] = i;
  18.     }
  19.     createTree(section, 0, _primitiveIndices.length, doSort);
  20.   }
  21. }

代码示例来源：origin: com.ardor3d/ardor3d-core

  1. /**
  2.  * Recreate this Collision Tree for the given Node and child index.
  3.  * 
  4.  * @param childIndex
  5.  *            the index of the child to generate the tree for.
  6.  * @param parent
  7.  *            The Node that this tree should represent.
  8.  * @param doSort
  9.  *            true to sort primitives during creation, false otherwise
  10.  */
  11. public void construct(final int childIndex, final int section, final Node parent, final boolean doSort) {
  12.   final Spatial spat = parent.getChild(childIndex);
  13.   if (spat instanceof Mesh) {
  14.     _mesh = makeRef((Mesh) spat);
  15.     _primitiveIndices = new int[((Mesh) spat).getMeshData().getPrimitiveCount(section)];
  16.     for (int i = 0; i < _primitiveIndices.length; i++) {
  17.       _primitiveIndices[i] = i;
  18.     }
  19.     createTree(section, 0, _primitiveIndices.length, doSort);
  20.   }
  21. }

代码示例来源：origin: Renanse/Ardor3D

  1. public static void findCollisions(final Spatial spatial, final Spatial scene, final CollisionResults results) {
  2.   if (spatial == scene || spatial.getWorldBound() == null
  3.       || !spatial.getSceneHints().isPickingHintEnabled(PickingHint.Collidable)
  4.       || !scene.getSceneHints().isPickingHintEnabled(PickingHint.Collidable)) {
  5.     return;
  6.   }
  7.   if (spatial instanceof Node) {
  8.     final Node node = (Node) spatial;
  9.     if (node.getWorldBound().intersects(scene.getWorldBound())) {
  10.       // further checking needed.
  11.       for (int i = 0; i < node.getNumberOfChildren(); i++) {
  12.         PickingUtil.findCollisions(node.getChild(i), scene, results);
  13.       }
  14.     }
  15.   } else if (spatial instanceof Mesh) {
  16.     final Mesh mesh = (Mesh) spatial;
  17.     if (mesh.getWorldBound().intersects(scene.getWorldBound())) {
  18.       if (scene instanceof Node) {
  19.         final Node parent = (Node) scene;
  20.         for (int i = 0; i < parent.getNumberOfChildren(); i++) {
  21.           PickingUtil.findCollisions(mesh, parent.getChild(i), results);
  22.         }
  23.       } else {
  24.         results.addCollision(mesh, (Mesh) scene);
  25.       }
  26.     }
  27.   }
  28. }

代码示例来源：origin: com.ardor3d/ardor3d-core

  1. /**
  2.  * Finds a pick using the given ray starting at the scenegraph given as spatial. Results are stored in the given
  3.  * results value.
  4.  * 
  5.  * @param spatial
  6.  * @param ray
  7.  * @param results
  8.  * @param ignoreCulled
  9.  *            if true, Spatials with CullHint ALWAYS will be skipped.
  10.  */
  11. public static void findPick(final Spatial spatial, final Ray3 ray, final PickResults results,
  12.     final boolean ignoreCulled) {
  13.   if (spatial == null || !spatial.getSceneHints().isPickingHintEnabled(PickingHint.Pickable)
  14.       || (ignoreCulled && spatial.getSceneHints().getCullHint() == CullHint.Always)
  15.       || spatial.getWorldBound() == null || !spatial.getWorldBound().intersects(ray)) {
  16.     return;
  17.   }
  18.   if (spatial instanceof Pickable) {
  19.     results.addPick(ray, (Pickable) spatial);
  20.   } else if (spatial instanceof Node) {
  21.     final Node node = (Node) spatial;
  22.     for (int i = node.getNumberOfChildren() - 1; i >= 0; i--) {
  23.       findPick(node.getChild(i), ray, results, ignoreCulled);
  24.     }
  25.   }
  26. }

代码示例来源：origin: Renanse/Ardor3D

  1. /**
  2.  * Finds a pick using the given ray starting at the scenegraph given as spatial. Results are stored in the given
  3.  * results value.
  4.  * 
  5.  * @param spatial
  6.  * @param ray
  7.  * @param results
  8.  * @param ignoreCulled
  9.  *            if true, Spatials with CullHint ALWAYS will be skipped.
  10.  */
  11. public static void findPick(final Spatial spatial, final Ray3 ray, final PickResults results,
  12.     final boolean ignoreCulled) {
  13.   if (spatial == null || !spatial.getSceneHints().isPickingHintEnabled(PickingHint.Pickable)
  14.       || (ignoreCulled && spatial.getSceneHints().getCullHint() == CullHint.Always)
  15.       || spatial.getWorldBound() == null || !spatial.getWorldBound().intersects(ray)) {
  16.     return;
  17.   }
  18.   if (spatial instanceof Pickable) {
  19.     results.addPick(ray, (Pickable) spatial);
  20.   } else if (spatial instanceof Node) {
  21.     final Node node = (Node) spatial;
  22.     for (int i = node.getNumberOfChildren() - 1; i >= 0; i--) {
  23.       findPick(node.getChild(i), ray, results, ignoreCulled);
  24.     }
  25.   }
  26. }

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