Picking for Web-Based 3D Experiment - Interactive Web-Based Virtual Reality with Java 3D - page 375

private static final float TRACKWIDTH = 0.06f;

private static final int STEPDELAY = 100;

private static final int COUNCH1 = 15;

private static final int COUNCH2 = 15;

private static final int COUNTER = 10;

h.3 constructor for pIckInG behavIor

public PickingBehavior(Canvas3D canvas3D, BranchGroup branchGroup)
{

pickCanvas = new PickCanvas(canvas3D, branchGroup);

pickCanvas.setTolerance(0.0f);

pickCanvas.setMode(PickCanvas.GEOMETRY_INTERSECT_INFO);

pickCanvas.setMode(PickCanvas.GEOMETRY);

pickCanvas.setMode(PickTool.GEOMETRY);

// Create an Appearance.

Appearance redlook = new Appearance();

Color3f objColor = new Color3f(1.0f, 0.0f, 0.0f);

Color3f black = new Color3f(0.0f, 0.0f, 0.0f);

Color3f white = new Color3f(1.0f, 1.0f, 1.0f);

redlook.setMaterial(new Material(objColor, black, objColor, white, 50.0f));

redlook.setCapability(Appearance.ALLOW_MATERIAL_WRITE);

Sphere sph = new Sphere(0.002f, redlook);

sph.setPickable (false);

sphTrans.setCapability (TransformGroup.ALLOW_TRANSFORM_READ);

sphTrans.setCapability (TransformGroup.ALLOW_TRANSFORM_WRITE);

sphTrans.addChild(sph);

branchGroup.addChild(sphTrans);

}

h.4 obtaInInG handles to dIsplays of
oscIlloscope, sIGnal Generator and door panel

public void setDisplay(Group oscidisparent, Group sgdisparent, Group passdisparent)

{

this.osciCurvebranchParent = oscidisparent;

this.sgCurvebranchParent = sgdisparent;

this.passCurvebranchParent = passdisparent;

}

h.5 obtaInInG handle to navIGatIon panel

public void setPanel(OPanel panel)

{