Node

Node

Example

Example Node class 表示 Aspose.3D 场景图中的命名元素。每个节点可以容纳一个 Entity （例如一个 Mesh 或 Camera），维护与其他节点的父子关系，并携带本地变换。节点是组织场景层次结构中 3D 对象的主要方式。.

import com.aspose.threed.Scene;
import com.aspose.threed.Node;

Scene scene = new Scene();

// Access the root node via getter
Node root = scene.getRootNode();

// Create a child node
Node child = root.createChildNode("my_node");

// Iterate child nodes via getter
for (Node node : root.getChildNodes()) {
    System.out.println(node.getName());
}

Example

Example Node 构造函数使用可选名称初始化节点。.

Name	Type	Access	Description
`assetInfo`	`AssetInfo`	Read	Gets the asset info.
`visible`	`boolean`	Read	Gets the visible.
`childNodes`	`List<Node>`	Read	Gets the child nodes.
`entity`	`Entity`	Read	Gets the entity.
`excluded`	`boolean`	Read	Gets the excluded.
`entities`	`List<Entity>`	Read	Gets the entities.
`metaDatas`	`List<CustomObject>`	Read	Gets the meta datas.
`materials`	`List<Material>`	Read	Gets the materials.
`material`	`Material`	Read	Gets the material.
`parentNode`	`Node`	Read	Gets the parent node.
`transform`	`Transform`	Read	Gets the transform.
`globalTransform`	`GlobalTransform`	Read	Gets the global transform.
`boundingBox`	`BoundingBox`	Read	Gets the bounding box.
`scene`	`Scene`	Read	Gets the scene.
`name`	`String`	Read	Gets the name.
`properties`	`PropertyCollection`	Read	Gets the properties.

Example

所有节点属性均通过 getter/setter 方法访问。.

Signature	Description
`Node()`	Calls Node on this Node instance.
`Node(name: String)`	Calls Node(name) on this Node instance.
`Node(name: String, entity: Entity)`	Calls Node(name, entity) on this Node instance.
`getAssetInfo()` → `AssetInfo`	Returns the asset info.
`setAssetInfo(value: AssetInfo)`	Sets the asset info value.
`getVisible()` → `boolean`	Returns the visible.
`setVisible(value: boolean)`	Sets the visible value.
`getChildNodes()` → `List<Node>`	Returns the child nodes.
`createChildNode()` → `Node`	Calls createChildNode on this Node instance.
`createChildNode(name: String)` → `Node`	Calls createChildNode(name) on this Node instance.
`createChildNode(entity: Entity)` → `Node`	Calls createChildNode(entity) on this Node instance.
`createChildNode(name: String, entity: Entity)` → `Node`	Calls createChildNode(name, entity) on this Node instance.
`createChildNode(name: String, entity: Entity, material: Material)` → `Node`	Calls createChildNode(name, entity, material) on this Node instance.
`merge(other: Node)`	Calls merge(other) on this Node instance.
`getEntity()` → `Entity`	Returns the entity.
`setEntity(value: Entity)`	Sets the entity value.
`getExcluded()` → `boolean`	Returns the excluded.
`setExcluded(value: boolean)`	Sets the excluded value.
`getEntities()` → `List<Entity>`	Returns the entities.
`getMetaDatas()` → `List<CustomObject>`	Returns the meta datas.
`getMaterials()` → `List<Material>`	Returns the materials.
`getMaterial()` → `Material`	Returns the material.
`setMaterial(value: Material)`	Sets the material value.
`getParentNode()` → `Node`	Returns the parent node.
`setParentNode(value: Node)`	Sets the parent node value.
`getTransform()` → `Transform`	Returns the transform.
`getGlobalTransform()` → `GlobalTransform`	Returns the global transform.
`evaluateGlobalTransform(includeGeometricTransform: boolean)` → `Matrix4`	Calls evaluateGlobalTransform(includeGeometricTransform) on this Node instance.
`getChild(index: int)` → `Node`	Calls getChild(index) on this Node instance.
`getChild(name: String)` → `Node`	Calls getChild(name) on this Node instance.
`accept(visitor: NodeVisitor)` → `boolean`	Calls accept(visitor) on this Node instance.
`getBoundingBox()` → `BoundingBox`	Returns the bounding box.
`addEntity(entity: Entity)`	Calls addEntity(entity) on this Node instance.
`addChildNode(node: Node)`	Calls addChildNode(node) on this Node instance.
`selectSingleObject(query: String)` → `Object`	Calls selectSingleObject(query) on this Node instance.
`selectObjects(query: String)` → `ArrayList<Object>`	Calls selectObjects(query) on this Node instance.
`toString()` → `String`	Calls toString on this Node instance.
`addEntity(entity: Entity, material: Material)`	Calls addEntity(entity, material) on this Node instance.
`SceneObject()`	Boolean operator allows you to apply Boolean operation on two IMeshConvertible instances.
`getScene()` → `Scene`	Constructor of BooleanOperator.
`A3DObject()`	Parameterized Cylinder. It can also be used to represent a cone when one of radiusTop/radiusBottom is zero.
`getName()` → `String`	The segments of the curve.
`setName(name: String)`	Constructs a CircleShape profile with specified radius.
`getProperties()` → `PropertyCollection`	Initializes a new instance of Cylinder class.
`findProperty(name: String)` → `Property`	Initializes a new instance of the Bone class.
`getProperty(name: String)` → `Object`	Gets the transform matrix of the node in current pose.
`setProperty(name: String, value: Object)`	Gets the width segments.
`removeProperty(name: String)` → `boolean`	Gets flip coordinate system of control points/normal during importing/exporting.

Example

Example	返回类型	Example
`createChildNode(String name)`	`Node`	创建并附加一个具有给定名称的新子节点
`createChildNode(String name, Entity entity)`	`Node`	创建子节点并为其分配实体
`addChildNode(Node node)`	`void`	将现有节点添加为此节点的子节点
`getChild(String name)`	`Node`	按名称查找直接子节点
`addEntity(Entity entity)`	`void`	为此节点附加额外的实体
`merge(Node node)`	`void`	将另一个节点的子节点和实体合并到此节点中
`evaluateGlobalTransform(boolean withGeometricTransform)`	`Matrix4`	返回世界空间变换矩阵；传递 `true` 以包含几何偏移
`getBoundingBox()`	`BoundingBox`	计算节点在世界空间中的轴对齐包围盒
`getProperty(String name)`	`Object`	按名称获取属性值
`findProperty(String name)`	`Property`	按名称查找属性

Example

创建场景，将网格附加到节点，并遍历场景图：:

import com.aspose.threed.Scene;
import com.aspose.threed.Node;
import com.aspose.threed.*;


Scene scene = new Scene();
Mesh mesh = new Mesh();
mesh.getControlPoints().add(new Vector4(0, 0, 0, 1));
mesh.getControlPoints().add(new Vector4(1, 0, 0, 1));
mesh.getControlPoints().add(new Vector4(0.5, 1, 0, 1));
mesh.createPolygon(0, 1, 2);

// Attach mesh to a child node
Node node = scene.getRootNode().createChildNode("triangle", mesh);

// Traverse child nodes using getter
for (Node child : scene.getRootNode().getChildNodes()) {
    Entity entity = child.getEntity();
    if (entity != null) {
        System.out.println("Node '" + child.getName() + "': " + entity.getClass().getSimpleName());
        System.out.println("  Excluded: " + child.getExcluded());
    }
}

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另见