Fabrice
Thank you - I will think about the Null material further, and the
CentralLibrary angle.
Meanwhile how do you Scale BSPTrees? Whatever I have tried throwing
at an AWD file, it appears exactly same on screen ( whereas it's
accompanying Collada DAE, does scale as expected ).
Cheers
;j
On 9 Sep 2010, at 22:06, Fabrice3D wrote:
I actually like the idea of a null material. :)
you actually just need to copy a simple materail and avoid draw
functions.
to apply however, you'd be better off to add a function that parses
the entire main array centralLibrary to set these.
plus if you keep a simple parallele array to this, you can restore
at zero pain when you show it back.
Fabrice
On Sep 9, 2010, at 10:12 PM, [email protected] wrote:
As well as trying to hide the BSPTree, I am also having no luck in
scaling the AWD file at runtime.
Is there a simple way of rescaling and then hiding a standard AWD
file, so it can be used inside a complex collada model?
Cheers
;j
On 9 Sep 2010, at 20:13, [email protected] wrote:
I am trying to hide a simple BSPTree's material when it is only
used for BSP and a separate more complex model is used for the
visual.
My initial approach was to modify AWData to make it store the
BSPTree with the material ( currently it seems to store null as
the mesh ), but the material id name does not seem to be stored on
the handle, so you have to trace out the name so after some
modifications I was able to hack hiding....
(CentralMaterialLibrary.getBSPTreeFromMaterialName( 'building' )
as
BSPTree
).replaceMaterial
(CentralMaterialLibrary.getMaterial( 'building' ), new
MovieMaterial(new MovieClip()), true );
but this is probably not really cutting down on render. Looking
in BSPTree I found I could directly modify the material of each
face to reduce rendering, so my current solution is to add this
method to BSPTree, when loaded I can access it via (AWData.handle
as BSPTree).hide();
public function hide()
{
var loop:int = _faces.length;
var face: Face;
var wire: WireframeMaterial = new WireframeMaterial();
wire.wireAlpha = 0;
for(var i:int = 0;i<loop;++i)
{
face = _faces[i];
face.back = null;
// minimize drawn faces
face.invert();
face.material = wire;
}
}
I am considering creating a NullMaterial as currently when I set
face.material = null it trys to be too helpful and instead renders
a color wireframe, for the moment alpha simple wireframe inverted
with no back is probably lowest overhead.
Maybe I am missing something obvious, but if you try to visible
false the whole BSPTree then I think it stops doing BSP
collisions, maybe there is already a solution.... or a better
approach.
Cheers
:j
