Li, Thanks a lot. I am currently reading 3D Math Primer and I am trying to link the stuff in the book (c++) to AS3. What I want to do is a simple radial radar the shows enemie-positions around the player object.
Thanks for your help, Patrick On Feb 7, 7:26 am, Li <[email protected]> wrote: > I'm not sure if there is a native method, but something like this should > work (based on the dot product of 2 vectors): > > var obj1Vector:Number3D = obj1.position; > var obj2Vector:Number3D = obj2.position; > var cosAngle:Number = > obj1Vector.dot(obj2Vector)/(obj1Vector.modulo*obj1Vector.modulo); > var angle:Number = Math.acos(cosAngle); > > This will be the angle between the positional vectors of the objects in the > plane they define. > I'm not sure what you mean by Y-angle, but just post more details if this > doesn't help you. > > On Sat, Feb 7, 2009 at 4:44 AM, Patrick <[email protected]> wrote: > > > Hi All, > > > Is there a method to retrieve the Y-angle between two objects, while > > both objects are moving? > > > Thanks
