Panda3D Manual: Reference Counting
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WRITEME: this article is a stub. Please help by expanding it. This page will explain about Panda3D's smart Reference Counting system. Some Panda3D classes use this system. You can check if such a class is Reference Counted by checking in the List of Classes if it inherits from ReferenceCount. Such classes, for example Texture, or TextNode, are created like this:
      //  Create the PointerTo object
    PT(TextNode) myVar;
      // Assign a new TextNode to it
    myVar = new TextNode("title");

      // Now, you can do with it what you want, treat it like a pointer:

    myVar->set_text("I am a reference counted TextNode!");
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