Hello all,
This is the first time I am contributing to the Java
3D email archive.
I have created multiple objects in my 3D world. One of
the objects is a cylinder. When it is added to the 3D
world, it is vertical and it lies on the Y axis. Then
I rotate it using the following code so that it is on
the Z axis (pointing towards the viewer).
(knobSpace).getTransform(knobTranslate);
Matrix3d someRotationMatrix = new Matrix3d();
someRotationMatrix.setIdentity();
someRotationMatrix.rotX(Math.PI/2.0);
knobTranslate.setRotation(someRotationMatrix);
(knobSpace).setTransform(knobTranslate);
What I would like to do now: turn the cylinder like a
knob (example: volume control on your music sound
system). Using PickMouseBehavior, I am able to rotate
the knob based on a mouse click (this implies that I
am able to pick detect which object is picked). What I
really would like to do is to do this based on mouse
drag. The volume control can be either decreased or
increased.
Can anyone give me ideas on how to accomplish this
task? This rotation of the volume control must be
independent of other objects in the scene.
Thanks,
-Sri :)
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