Picking for Web-Based 3D Experiment - Interactive Web-Based Virtual Reality with Java 3D - page 387

h.25 functIon for button press or release
events

//Button action, press or release

private void ButtonAct(Point3f object, TransformGroup trans, boolean tag, float span)

{

if (tag)

{

setPosition(trans, new Point3f(object.x, object.y, object.z-span));

}

else

{

setPosition(trans, new Point3f(object.x, object.y, object.z));

}

}

h.26 maIn mouse release event functIons for
knobs, clIps, slIders and buttons

private void MouseRelease(int obj)

{

switch (obj)

{

//----------------------------------------- for the oscilloscope

case 1101:

osci_knobangle[0] = RotationPosition(osci_knobangle[0], osciknob1_circleposi.length,

osciknob1_circleposi);

setRotationZ(osciknobTrans[0], osci_knobangle[0]);

if (tcp_osciservice!=null)

{

if (osci_knobangle[0]==osciknob1_circleposi[0])

{

tcp_osciservice.SendCmd(“ch1position 5”);

positionch1 = 0;

}

else if (osci_knobangle[0]==osciknob1_circleposi[1])

{

tcp_osciservice.SendCmd(“ch1position 4”);

positionch1 = 1;

}

else if (osci_knobangle[0]==osciknob1_circleposi[2])

{

tcp_osciservice.SendCmd(“ch1position 3”);

positionch1 = 2;

}

else if (osci_knobangle[0]==osciknob1_circleposi[3])

{

tcp_osciservice.SendCmd(“ch1position 2”);

positionch1 = 3;