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WPF AxisAngleRotation3D vs. XNA CreateFromAxisAngle

Posted By:      Posted Date: December 04, 2010    Points: 0   Category :WPF

I am pretty dumb to 3D, just like my question may be:

I made a "viewer" program in WPF that renders stuff on screen, and what may be rotated as well. I use this for rotation what works for my taste:

Code: WPF

Transform3DGroup tg = new Transform3DGroup();
tg.Children.Add(new ScaleTransform3D(sx, sy, 1));
tg.Children.Add(new RotateTransform3D(new AxisAngleRotation3D(new Vector3D(1, 0, 0), rx)));
tg.Children.Add(new RotateTransform3D(new AxisAngleRotation3D(new Vector3D(0, 1, 0), ry)));
tg.Children.Add(new RotateTransform3D(new AxisAngleRotation3D(new Vector3D(0, 0, 1), rz)));
tg.Children.Add(new TranslateTransform3D(x, y, z));
darabka.Transform = tg;

I decided to make this program in XNA, because that seems to be a bit faster, however I could not make it to work.

Tried this way (Code, XNA):

Pozició = Matrix.CreateScale(sx, sy, 1f);             //méretezés
Pozició *= Matrix.CreateFromAxisAngle(Vector3.UnitX, rx); //forgatás
Pozició *= Matrix.CreateFromAxisAngle(Vector3.UnitY, ry);
Pozició *= Matrix.CreateFromAxisAngle(Vector3.UnitZ, rz);
Pozició *= Matrix.CreateTranslation(x, y, z); //középpont

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