Re: [JAVA3D] rotX and rotY

[Janet Song]

Hi

Thanks

:-))

-----Original Message-----
From:   David Hall� [SMTP:[EMAIL PROTECTED]]
Sent:   Tuesday, January 11, 2000 4:44 PM
To:     [EMAIL PROTECTED]
Subject:        Re: [JAVA3D] rotX and rotY

>If you multiply seperate rotations, the second rotation will use the
>resulting object of the first rotation.
>If however you want to do several rotations at once, e.g. roll/pitch/yaw for
>an aircraft, you should use the
>Transform3D.setEuler(Vector3d) method.

I use the roll/pitch/yaw for an aircraft (ie. a transformgroup) like this:

// T is the current Transform3D for my TransformGroup
  public void rotate(double[] rotationAngles) {
    Transform3D temp = new Transform3D();
    temp.rotY(rotationAngles[0]);
    T.mul(temp);
    temp.rotZ(rotationAngles[1]);
    T.mul(temp);
    temp.rotX(rotationAngles[2]);
    T.mul(temp);
    setTransform(T);
  }

David.
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