The properties for transparency are alphaBlending and alphaThreshold. See a short explanation of them here: http://groups.google.com/group/away3d-dev/browse_thread/thread/c62a6f8d8409b703/2c53be3228c4295a?show_docid=2c53be3228c4295a
Cheers /R On Aug 19, 11:15 pm, wagster <[email protected]> wrote: > I'm still struggling with this one... here's my class > > public class Floor extends Plane > { > public function Floor(floorMc:MovieClip, segmentsW:uint=1, > segmentsH:uint=1, yUp:Boolean=true) > { > var bitmapData:BitmapData = new BitmapData(2048, > 2048, true, > 0x00000000); > bitmapData.draw(floorMc); > var floorMaterial:BitmapMaterial = new > BitmapMaterial(bitmapData, > false); > super(floorMaterial, floorMc.width, floorMc.height, > 1, 1, true); > rotationX = 90; > trace(); > } > } > > Firstly, I would like to create a BitmapData object the same size as > the MovieClip, but Texture3DProxy throws a "size must be power of 2" > error unless I set both height and width to a power of two, so > > new BitmapData(floorMc.width, floorMc.height, true, 0x00000000) > > doesn't work. > > Secondly, I can't set the BitmapMaterial to transparent = true as > suggested above - because BitmapMaterial doesn't have a transparent > property. > > I'm trying to do much the same thing - draw a Sprite onto a plane and > show only the opaque parts of the Sprite. > > Any ideas? > > Cheers, > > Wag > > On Jul 25, 2:00 pm, 0L4F <[email protected]> wrote: > > > > > > > > > Ah, just a very simple method that receives a Sprite Object, and > > returns the corresponding BitmapData. > > > var b:Bitmap = new Bitmap(bmd); is redundant code, whoops ;) > > > cheers, > > > 0L4F > > > On Jul 25, 2:35 pm, Fabrice3D <[email protected]> wrote: > > > > getBitmapData... > > > what is this method doing exactly? > > > > Fabrice > > > > On Jul 25, 2011, at 2:31 PM, 0L4F wrote: > > > > > Hello all, > > > > > I've set up an Away3D - Flash IDE project. I'm using Sprites from the > > > > Flash library to create BitmapMaterials for Planes in Away3D. > > > > > I'd really like the Sprite's transparencies (alpha channel) to show up > > > > in the BitmapMaterials, but I can't seem to get it to work :( > > > > > Here's my code: > > > > > textSprite = new TextSprite(); // Sprite > > > > object from the Flash libraty > > > > matSprite = new > > > > BitmapMaterial(getBitmapData(textSprite)); > > > > > //matSprite.transparent = true; // doesn't do the > > > > trick > > > > > matSprite.lights = [light1]; > > > > > matSprite.diffuseMethod = new BasicDiffuseMethod(); > > > > matSprite.diffuseMethod.alphaThreshold = 0.5; > > > > // no > > > > luck! > > > > > private function > > > > getBitmapData(srcSprite:Sprite):BitmapData > > > > { > > > > var bmd:BitmapData = new BitmapData(srcSprite.width, > > > > srcSprite.height); > > > > var b:Bitmap = new Bitmap(bmd); > > > > bmd.draw(srcSprite); > > > > return(bmd); > > > > } > > > > > I'd appreciate any hints / pointers! Thanks in advance, > > > > > 0L4F
