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Question by Lathrisk · Jun 02, 2011 at 12:37 PM · treenode

Accessing Tree Nodes through Script

Hi,

I was looking to 'grow' a tree. I have created a tree game object which consists of 6 nodes, 4 branch and 2 leaf. In Inspector -> Hierarchy, the nodes are listed and I have the option of making the nodes visible (using the eye, show/hide).

Is it possible to create a script which will access the visible property of each node of the tree and assign a value? Allowing me to make each node visible, in turn, from root to leaf?

I have found plenty of information on transform, rotate etc but none on accessing the property of nodes.

Thanks,

-Jared

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Answer by Wolfram · Jun 02, 2011 at 01:54 PM

You can loop through the children of a transform, and therefore through your hierarchy:

 for (var treeNode : Transform in treeObject.transform) {
     for (var branch : Transform in treeNode) {
         for (var leaf : Transform in branch) {
             // use only one of the following lines
             leaf.gameObject.active=false; // method 1: disables just the game object
             leaf.gameObject.SetActiveRecursively(false); // method 2 : disables the whole hierachy (if leaf has children)
             leaf.renderer.enabled=false; // method 3: just disables the renderer, not the object, making it invisible (assuming the leaf has a renderer attached)
        }
     }       
 }          
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