I notesed grate property scenePosition just use it to get global
position.
On Nov 30, 4:26 pm, Alex Karmazin <[EMAIL PROTECTED]> wrote:
> Here is how I see it. But this test seams not working just how it
> should be, but it is good start for playing around with. Just put this
> class in document class field, it works with away3d 2.2 If you managed
> to clearly understand how it works pleas let me know.
>
> package
> {
> import away3d.containers.*;
> import away3d.core.base.*;
> import away3d.core.math.*;
> import away3d.primitives.*;
> import flash.events.*;
> import flash.display.*;
> import flash.geom.Matrix;
> /**
> * ...
> * @author Alex Karmazin (NEB Group)
> */
> public class AbsolutePosTest extends MovieClip
> {
> private var view:View3D;
> private var center:Object3D;
> private var testCube:Object3D;
> private var controlCube:Object3D;
> private var container:ObjectContainer3D;
>
> public function AbsolutePosTest() {
> super();
> init3DObjects();
> testSubject();
> stage.addEventListener(Event.ENTER_FRAME, enterFrame);
> }
>
> private function init3DObjects() {
> this.view = new View3D({x:stage.stageWidth/2,
> y:stage.stageHeight/
> 2});
> this.addChild(this.view);
> center = new Cube( { x:0, y:0, z:0, width:50,
> height:50,
> material:"red#black" } );
> this.view.scene.addChild(center);
> this.view.camera.position = new Number3D(0, 500,
> 1000);
> this.view.camera.lookAt(center.position);
> }
>
> private function testSubject() {
> this.container = new ObjectContainer3D( { x:0, y:0,
> z:0 } );
> this.view.scene.addChild(this.container);
> this.testCube = new Cube( { x:200, y:0, z:0,
> width:50, height:50,
> material:"blue#black" } );
> this.controlCube = new Cube( { x:200, y:0, z:0,
> width:50, height:
> 50, material:"green#black" } );
> this.testCube.addOnMouseDown(testClick);
> this.controlCube.addOnMouseDown(controlClick);
> this.container.addChild(this.testCube);
> this.view.scene.addChild(this.controlCube);
> this.container.rotationY += 90;
> }
>
> public function testClick(e) {
> trace("blue....................");
> localToGlobal3D(testCube.transform);
> trace("local_________________");
> trace("x:"+testCube.x + " y:" + testCube.y + " z:" +
> testCube.z);
> }
>
> public function controlClick(e) {
> trace("green....................");
> trace("global_________________");
> trace("x:"+controlCube.x + " y:" + controlCube.y + "
> z:" +
> controlCube.z);
> globalToLocal3D(controlCube.transform);
> }
>
> public function localToGlobal3D(t:Matrix3D) {
> var m:Matrix3D = new Matrix3D();
> m.multiply4x4(this.container.transform, t);
> trace("global_________________");
> trace("x:"+m.tx + " y:" + m.ty + " z:" + m.tz);
> }
> public function globalToLocal3D(t:Matrix3D) {
> var m:Matrix3D = new Matrix3D();
> m.multiply4x4(this.container.transform, t);
> trace("local_________________");
> trace("x:"+m.tx + " y:" + m.ty + " z:" + m.tz);
> }
>
> private function enterFrame(e:Event) {
> this.view.render();
> }
>
> }
>
> }
>
> On Nov 27, 12:01 am, artur <[EMAIL PROTECTED]> wrote:
>
> > Alex
>
> > Thank so much for answer , can you show me and example of how use the
> > second technique?
> > I m not very familiarized with transform between 3dobjects. I trying
> > to implement the first one but I m really interested in the second
> > one.
>
> > Tks in advance.
>
> > Artur
>
> > On Nov 26, 8:25 am, Alex Karmazin <[EMAIL PROTECTED]> wrote:
>
> > > I had the same problem, so I put extra Object3D near container and
> > > start rotating container. On every frame I test condition if
> > > (curent.distanceTo(frontPos) < 7.5)
> > > where curent is my Object3D that must be facing to the camera and
> > > frontPos is "flag" Object3D that I placed in front of camera. When
> > > condition triggers I use extra method to rotate container on proper
> > > degree, usually it is very small, but I need exactly correct angle. So
> > > for me it works perfect. Another way is to multiplying transform of
> > > each container to the point coordinates and you will get absolute
> > > position but I didn't use this method yet.
>
> > > On Nov 26, 12:00 am, artur <[EMAIL PROTECTED]> wrote:
>
> > > > Hello
>
> > > > There is my problem I ll do my best to try explain it:
>
> > > > I loading a 3ds in a ObjectContainer3D( BigContainer) so I rotate the
> > > > container to make a 360 view, now the next step is load little 3ds
> > > > pieces in littles ObjectContainer3D containers, positioning them over
> > > > the bigContainer or at least that is the idea, the little ones 3ds
> > > > should be look at to the normal of the point where they were added,
> > > > but they are rotating in crazy ways, I tried to do a lookat camera
> > > > postion but is not working, I was looking and noticed all
> > > > ObjectContainer3D has his own local Coords so that would explain the
> > > > weird behaviors, there is a decent way to do this?,basically put the
> > > > face of my loaded models pointing to the normal of the face of the big
> > > > model where was located?, I hope you can bring a light on my day
>
> > > > Thanks so much in advance.
>
> > > > Artur.
