Re: [Breaking Change] DO3D has new propslocalRotationX/ Y /Z , pitch, yaw, roll are methods again

Hi Jon,

Thanks for the suggestions to solve this problem! Unfortunately, none of
these seems to work out correctly.
I tried using the code for this method from revision 647. This seems to
work without any problems right now. However I expect that this might
introduce some new problems as well.

It might be an idea that someone from the pv3d team looks into this and
put this in the next update?
As soon as I've found a way to update the current implemented code I'll
post a new message.

Paul


-----Original Message-----
From: papervision3d-bounces@...

[mailto:papervision3d-bounces@...] On Behalf Of Jon Bradley
Sent: woensdag 23 juli 2008 19:04
To: papervision3d@...

Subject: Re: [Papervision3D] [Breaking Change] DO3D has new
propslocalRotationX/ Y /Z , pitch, yaw, roll are methods again

Ah, I'm a doofus. Didn't put in the matrix props correctly. This
method is completely untested.

       public static function matrix2euler( m :Matrix3D,
euler:Number3D=null, scale:Number3D=null ) : Number3D
       {
               euler = euler || new Number3D();

        var x:Number = 0;
        var y:Number = 0;
        var c:Number = 0;

        euler.y = -Math.asin( m.n13);
        c = Math.cos(ay);

        if ( Math.abs(c) > 0.005 )
        {
            x =  m.n33/c;
            y = -m.n23/c;

            euler.x = Math.atan2(y,x);

            x = m.n11/c;
            y = m.n12/c;

            euler.z = atan2(y,x);
        }
        else
        {
            euler.x = 0;
            x = m.n22;
            y = m.n21;
            euler.z = atan2(y,x);
        }

        //  Clamp values
        euler.x = (euler.x > 360) ? 360:((euler.x < 0) ? 0:euler.x);
        euler.y = (euler.y > 360) ? 360:((euler.y < 0) ? 0:euler.y);
        euler.z = (euler.z > 360) ? 360:((euler.z < 0) ? 0:euler.z);

               if(Papervision3D.useDEGREES)
               {
                       euler.x *= toDEGREES;
                       euler.y *= toDEGREES;
                       euler.z *= toDEGREES;
               }

               return euler;
    }




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