[Papervision3D] How to get 2D coordinates of a Vertex3D?

[Ralph Hauwert]

After rendering you can just look it up within vertices, and approach  
it's vertex3DInstance, to get the coords.

Ralph.

On 17 jun 2008, at 16:30, tmyers wrote:

>
>
> This is the solution most people seem to use...
>
> Have a look at the DisplayObject3D class. There is a public variable  
> called
> screen (Number3D object) and a private function called
> calculateScreenCoords().
>
> What you have to do is make this function public...you will then  
> have to
> explicitly call this function each time you want to update the screen
> variable which you can access as follows...
>
> myDisplayObject3D.calculateScreenCoords();
> 3dOverlaySprite.x = myDisplayObject3D.screen.x;
>
>
> hope this helps...
>
>
>
>
>
> docstevie wrote:
>>
>> Hi,
>>
>> for displaying a 2D-overlay in front of a Papervision-scene, I need  
>> to get
>> the screen-coordinates of - let's say - a Vertex3D-object. I've  
>> already
>> searched the forum for an answer, but they all seem to be out of  
>> date.
>>
>> Where is the actual calculation 3D -> 2D done? That could also help.
>>
>> Thanks a lot, Stevie.
>>
>
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