Away3D Forum BitmapMaterial repeat params no effect.

BitmapMaterial repeat params no effect. Software: Away3D 4.x

liuyi, Member Posted: 06 September 2011 10:40 AM Total Posts: 65 The Materials should not be scale to fit this plane. But it looks like only 1 tile here. `var materia : BitmapMaterial = new BitmapMaterial((new _sceneTexture() as Bitmap).bitmapData,true,true); materia.specular = 0.2; materia.specularColor = 0xffffff; var plane:Plane = new Plane(materia, 1000, 1000, 100, 100); plane.rotate(new Vector3D(1, 0, 0), 90); _view.scene.addChild(plane);`
Apprentice, Jr. Member Posted: 06 September 2011 12:05 PM Total Posts: 45 [ # 1 ] I think you think that building a Plane with segmentsW > 1 and segmentsH > 1 will automatically create a plane with repeating texture coordinates, but it won’t. It just creates a plane existing of (segmentsW+1)*(segmentsH+1) vertices where the texture coordinates are spread between 0 and 1. For a repeating effect you should have texture coordinates that are spread between 0 and 2 (for repeating it twice) or higher (for more repeats). Afaik you have to assign these yourself (I haven’t done this before so I can’t directly tell you how). Hope this helps some though. —Apprentice
Richard Olsson, Administrator Posted: 06 September 2011 12:32 PM Total Posts: 1192 [ # 2 ] Set the scaleU and scaleV of your sub-geometries (myPlane.geometry.subGeometries) to something larger than 1. Then make sure that whatever material you are using has animateUVs set to true. That will allow you to tile bitmaps over a surface.
liuyi, Member Posted: 07 September 2011 03:10 AM Total Posts: 65 [ # 3 ] Richard Olsson - 06 September 2011 12:32 PM Set the scaleU and scaleV of your sub-geometries (myPlane.geometry.subGeometries) to something larger than 1. Then make sure that whatever material you are using has animateUVs set to true. That will allow you to tile bitmaps over a surface. Thanks very much, it works. I added plane.geometry.scaleUV(10); `var plane:Plane = new Plane(materia, 1000, 1000, 100, 100); plane.geometry.scaleUV(10); plane.rotate(new Vector3D(1, 0, 0), 90); _view.scene.addChild(plane);`
liuyi, Member Posted: 07 September 2011 03:11 AM Total Posts: 65 [ # 4 ] Apprentice - 06 September 2011 12:05 PM I think you think that building a Plane with segmentsW > 1 and segmentsH > 1 will automatically create a plane with repeating texture coordinates, but it won’t. It just creates a plane existing of (segmentsW+1)*(segmentsH+1) vertices where the texture coordinates are spread between 0 and 1. For a repeating effect you should have texture coordinates that are spread between 0 and 2 (for repeating it twice) or higher (for more repeats). Afaik you have to assign these yourself (I haven’t done this before so I can’t directly tell you how). Hope this helps some though. —Apprentice Thanks! You make me more know away3d.

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