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Warning! This version of documentation is OUTDATED, as it describes an older SDK version! Please switch to the documentation for the latest SDK version.
Warning! This version of documentation describes an old SDK version which is no longer supported! Please upgrade to the latest SDK version.

Unigine.NodeDummy Class

Inherits from: Node

A dummy node is a zero-sized node that has no visual representation. It is used to organize the other nodes into a hierarchy: the dummy node serves as a parent node and enables to organize the other nodes that are made its children into a group.

Notice
A bounding box of the dummy node is equal to the bounding boxes of all its child nodes combined together.

Creating a Dummy Node#

Create an instance of the NodeDummy class. You can also specify such settings as a name, transformation and so on.

NodeDummyClass.cs

Source code (C#)
using Unigine;

namespace UnigineApp
{
	class AppWorldLogic : WorldLogic
	{

		public override bool Init()
		{
			// create a dummy node
			NodeDummy dummy = new NodeDummy();
			// set a name
			dummy.Name = "DummyNode";

			return true;
		}
	}
}

Organizing a Nodes Hierarchy#

To organize nodes in a hierarchy, perform as follows:

  1. Create an instance of the NodeDummy class.
  2. Create a node and add it as a child to the created dummy node.

NodeDummyClass.cs

Source code (C#)
using Unigine;

namespace UnigineApp
{
	class AppWorldLogic : WorldLogic
	{

		public override bool Init()
		{
            // create a dummy node
            NodeDummy root = new NodeDummy();
            // set a name for the node
            root.Name = "root";

            // create child nodes
            for (int y = -10; y <= 10; y++)
            {
                for (int x = -10; x <= 10; x++)
                {

                    // create a mesh
                    Mesh mesh = new Mesh();
                    mesh.AddBoxSurface("box_0", new vec3(1.0f));
                    // create a node (an instance of the ObjectMeshStatic class)
                    ObjectMeshStatic node = new ObjectMeshStatic(mesh);
                    // set node transformation
                    node.WorldTransform = MathLib.Translate(new vec3(x * 2.0f, y * 2.0f, 0.0f));
                    // set a name for the node
                    node.Name = String.Format("mesh_{0}_{1}", x + 10, y + 10);
                    // add the node as a child to the root dummy node
                    root.addWorldChild(node);
                }
            }

			return 1;
		}
	}
}

NodeDummy Class

Members


NodeDummy ( ) #

Constructor. Creates a dummy node.

static int type ( ) #

Returns the type of the node.

Return value

NodeDummy type identifier.
Last update: 2022-12-14
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