Hi,

I'm new to Sandy, and have created some 3D spinning models plants in the solar system.

However rotate then render speed of the models (spheres) seems to be dependent upon whether I apply the skin before or after I attach the sphere to the TransformationGroup

i.e.

This code...

var tg1:TransformGroup = new TransformGroup();

tg1.addChild( sphere );

bg.addChild( tg1 );

sphere.setSkin(worldSkin);// Put skin on last - this seems to make it rotate then render - faster



renders much faster than this code

var tg1:TransformGroup = new TransformGroup();
sphere.setSkin(worldSkin);// Putting the skin on now, slows down rotation / rendering
tg1.addChild( sphere );
bg.addChild( tg1 );


As the skin is a child of the sphere I would have expected the resultant object tree to look the same, hence the rotation then render speed be the same.

I estimate the code at the top runs 4 or 5 times faster than the code at the bottom.

Is this a know issue?

Thanks

Roger

Really? I don't see any difference in fps speed =/

But your theory really makes sense. Maybe this will affect the render speed on slower computer. I am not sure though.

I have Pentium 4 3.4 Ghz and nVidia gForce 6800 256 Mb.