Picking for Web-Based 3D Experiment - Interactive Web-Based Virtual Reality with Java 3D - page 382

mouseandpostidEvents[8] = new WakeupOnBehaviorPost(null, SGINC);

mouseandpostidEvents[9] = new WakeupOnBehaviorPost(null, SGDEC);

mouseandpostidEvents[10] = new WakeupOnBehaviorPost(null, PASSON);

mouseandpostidEvents[11] = new WakeupOnBehaviorPost(null, DOOROPEN);

mouseandpostidEvents[12] = new WakeupOnBehaviorPost(null, DOORCLOSE);

mouseandpostidEvents[13] = new WakeupOnBehaviorPost(null, ANIMATION);

mouseandpostidEvents[14] = new WakeupOnBehaviorPost(null, INTERACTION);

mouseandpostidEvents[15] = new WakeupOnBehaviorPost(null, DISCONN);

mouseandpostidCriterion = new WakeupOr(mouseandpostidEvents);

wakeupOn(mouseandpostidCriterion);

}

h.16 functIon for detectInG exIstence of pIckable
control When mouse Is moved

private boolean isObject(Point3f object, float x, float y)

{

float d;

d = (object.x-x)*(object.x-x)+(object.y-y)*(object.y-y);

if (d < DIFFERENCE)

{

return true;

}

else

{

return false;

}

}

h.17 functIon for determInInG Id of control
obJect beInG pIcked

private int whichObject(float x, float y)

{

//Detect the control components on the oscilloscope panel

if (isObject(osci_knobposi[0], x-osciposi.x, y-osciposi.y)) return 1101;

if (isObject(osci_knobposi[1], x-osciposi.x, y-osciposi.y)) return 1102;

if (isObject(osci_knobposi[2], x-osciposi.x, y-osciposi.y)) return 1103;

if (isObject(osci_knobposi[3], x-osciposi.x, y-osciposi.y)) return 1104;

if (isObject(osci_knobposi[4], x-osciposi.x, y-osciposi.y)) return 1105;

if (isObject(osci_knobposi[5], x-osciposi.x, y-osciposi.y)) return 1106;

if (isObject(osci_knobposi[6], x-osciposi.x, y-osciposi.y)) return 1107;

if (isObject(osci_knobposi[7], x-osciposi.x, y-osciposi.y)) return 1108;

if (isObject(osci_knobposi[8], x-osciposi.x, y-osciposi.y)) return 1109;

if (isObject(osci_knobposi[9], x-osciposi.x, y-osciposi.y)) return 1110;

if (isObject(osci_buttonposi[0], x-osciposi.x, y-osciposi.y)) return 1201;

if (isObject(osci_slideposi[0], x-osciposi.x, y-osciposi.y)) return 1301;