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Actionscript 3 library for reading Blender .blend files
timknip/asblender
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ASBLENDER ========================================= ASBlender is an Actionscript 3 library to read Blender .blend files. See http://www.blender.org/development/architecture/blender-file-format/ for an explanation of the .blend format. The complete .blend is read into simple AS3 Object's which map to the structures defined in the so-called DNA. Disadvantage of this approach is that you have to "know" how the structures look like. => check "printDNA" in USAGE below USAGE ========================================= [Embed (source="/assets/crystal_cube.blend", mimeType="application/octet-stream")] public var BlenderData:Class; var blend:BlendFile = new BlendFile(); blend.read(new BlenderData()); if (blend.scenes.length) { // Blender can have multiple scenes, don't know yet how to grab the "active" scene. buildScene(blend.scenes[0]); } /** * Prints out the DNA as contained in the .blend */ private function printDNA(blend:BlendFile):void { var struct:DNAStruct; var field:DNAField; for each (struct in blend.dna.structs) { var type:String = blend.dna.types[ struct.type ]; trace(type); for each (field in struct.fields) { trace(field.type + " " + field.name); } } } private function buildScene(scene:Object):void { var obj:Object = scene.base.first; while (obj) { // grab the Blender Object. // The Blender Object defines rotation, scale, translation etc. var object:Object = obj.object; trace("Object name: " + object.id.name + " type: " + object.type + " matrix: " + object.obmat); //for (var key:String in object) { // trace(key); //} if (object.data) { switch (object.type) { case 1: // Mesh trace (" -> Mesh: " + object.data.id.name); buildMesh(object.data); break; case 10: // Lamp trace (" -> Lamp: " + object.data.id.name); break; case 11: // Camera trace (" -> Camera: " + object.data.id.name); break; default: break; } } obj = obj.next; } } private function buildMesh(mesh:Object):void { var numVertices:int = mesh.totvert; var numFaces:int = mesh.totface; var i:int; trace(" -> #verts : " + numVertices); for (i = 0; i < numVertices; i++) { var v:Object = mesh.mvert[i]; var x:Number = v.co[0]; var y:Number = v.co[1]; var z:Number = v.co[2]; trace(" -> -> vertex: " + x + " " + y + " " + z); } trace(" -> #faces : " + numFaces); for (i = 0; i < numFaces; i++) { var f:Object = mesh.mface[i]; var v1:int = f.v1; var v2:int = f.v2; var v3:int = f.v3; var v4:int = f.v4; trace(" -> -> indices: " + v1 + " " + v2 + " " + v3 + " " + v4); if (mesh.mtface) { // UV coords are defined var tf:Object = mesh.mtface[i]; trace(" -> -> -> uv: " + tf.uv); } } }
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Actionscript 3 library for reading Blender .blend files
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