Re: [JAVA3D] help

[A. Murat Tanyer]

Hi Alessandro,

Thanks for your reply,

I understand that my use of switch is not the correct way. I will change it according to your advices. However, my question is how I can link my behaviour with the JButton event so that the cubes are woke up when I press the button? At the moment the cubes woke up 3 seconds after the scene construction.

I think I have to have two criteria for this; first is the elapsed time the other is the press event of the JButton. But how can I detect that the particular Button is pressed?

Regards,
Murat



Alessandro Borges wrote:

Murat,

You can use only one Switch to show the cubes you want by using

setChildMask(java.util.BitSet childMask)

were childMask is a java.util.BitSet object (see javadocs).

By using it you can select correctly what will appear or not.

Use constans to label your TGs

BG

|

SW

/ | \

TG1 TG2 TG3

// use same sequence you add to switch

int TG1_BIT = 01;

int TG2_BIT = 02;

int TG3_BIT = 03;

BitSet mask = new BitSet();

...

Swich switch = new Switch();

switch.setWhichChild(Switch.CHILD_MASK);

...

//to show TG1

mask = switch.getChildMask();

mask.set(TG1_BIT);

switch.setChildMask(mask);

// to show TG2, no show Tg3, show TG1

mask = switch.getChildMask();

mask.set(TG1_BIT);

mask.set(TG2_BIT);

mask.clear(TG3_BIT);

I did not test above code, but I use a "look alike" one in a demo.

Alessandro

----- Original Message -----

From: A. Murat Tanyer

To: [EMAIL PROTECTED]

Sent: Monday, March 17, 2003 9:12 AM

Subject: [JAVA3D] help

Dear all,

I am working on a small test program. I have three ColorCubes in my scene, all attached to different switches (see attached for the scenegraph). I am rendering only the first of these cubes by the switch statements.

I want to wakeup the other two cubes three seconds after I press the button on the GUI. I created a time behaviour class which uses WakeupOnElapsedTime(3000). But the problem is that the cubes are woke up three seconds after the scene is constructed. How can I link my behaviour with the JButton event so that the cubes are woke up when I press the button?

Thanks



public void initialize()
{
System.out.println("INITIALIZED");
critter = new WakeupOnElapsedTime(3000);
resetEvents();
}

protected final void resetEvents()
{
wakeupOn(critter);
}

// protected abstract void processAWTEvent(AWTEvent evt);

public void processStimulus(Enumeration criteria)
{
System.out.println("RUNNING PROCESS STIMULUS");
WakeupCondition cond;

while(criteria.hasMoreElements())
{
cond = (WakeupCondition)criteria.nextElement();
if(cond instanceof WakeupOnElapsedTime)
{
System.out.println("WAKE UP");

Switch1.setWhichChild(Switch.CHILD_NONE);
Switch2.setWhichChild(Switch.CHILD_ALL);
Switch3.setWhichChild(Switch.CHILD_ALL);
}
}
}

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