Hmm... maybe. I'm unfamiliar enough with Away3D that I'm not sure how to proceed with your idea. What I really need is simply a function that translates a stage point to a 3D location (z can be set to 0 since I realize that a point projected on the stage could be anywhere along the z axis).
On Jun 15, 10:03 am, savagelook <[email protected]> wrote: > Can you just forget the camera positioning/rolling and use the > OrthogonalLens for your camera? > > On Jun 15, 9:34 am, JeffH <[email protected]> wrote: > > > > > Hi all. I wanted to get the experts' opinions on the best way to > > accomplish what I need to do. I have a 3D object (a boat) that is in a > > view with the camera set to a position and roll (45) to try and > > achieve a "simcity" look. The settings are like this: > > > view.camera.x = 675; view.camera.y = -675; view.camera.z = -1300; > > view.camera.roll(45); view.camera.lookAt(new Number3D(0, 0, 0)); > > > What I want to do is to move this object based on 2D points located on > > the stage (for example, a path along a river). What is the best way to > > do this? I did try converting 2D points to 3D by trying to get the > > intersect of a ray off a plane but it doesn't seem to work. Not sure > > if it is because I have a camera roll... I tried this based on some > > other posts (where my 2D point is the var pt): > > > var plane:Plane3D = new Plane3D(); > > plane.fromNormalAndPoint(new Number3D(0, 1, 0), new Number3D(0, 0, > > 0)); > > var cameraPosition:Number3D = new Number3D(view.camera.x, > > view.camera.y, view.camera.z); > > var ray:Number3D = view.camera.unproject(pt.x, pt.y); > > ray.add(ray, cameraPosition); > > var intersect:Number3D = > > plane.getIntersectionLineNumbers(cameraPosition, ray); > > > But, intersect.x does not seem to align with pt.x on the screen. > > Perhaps I am misinterpreting how this should work? Should I try to > > orient the stage (Flash CS4) the same way or can I leave that "flat" > > and translate 2D coordinates to the 3D space? > > > Anyway, thanks for any guidance!
