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Question by samfarha · Jul 03, 2015 at 01:57 PM · childonmousedown

How do I use OnMouseDown() for a child object?

I would like code to run when I click on the child object. However, it never triggers the OnMouseDown() in the child class, even if the parent object is in an ignore raycast layer.

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Answer by HalversonS · Mar 02, 2016 at 02:57 PM

OnMouseDown() looks for a collider on the object with the script. That script would have to be on the child and the child would have to have a collider. I'm assuming your script is located on the parent.

You could use something like this from the parent during Update:

 if(Input.GetMouseButtonDown(0))
         {
             RaycastHit hit;
             Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
             if (Physics.Raycast(ray, out hit))
             { 
                 if( hit.collider == myGameObject.GetComponent<Collider>())
                 {
                     //do this
                 {
             { 
         {

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Answer by malkere · Jul 03, 2015 at 02:21 PM

if there's something in the way it will never get triggered. debug first to find out what your ray is hitting and go from there.

just add a debug log with the hit objects name to every mouse click to test it

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