Hi Artur, >Date: Mon, 13 May 2002 15:27:36 +0200 >From: Artur Biesiadowski <[EMAIL PROTECTED]> >Subject: [JAVA3D] Node cloning questions >To: [EMAIL PROTECTED] >MIME-version: 1.0 >Content-transfer-encoding: 7bit >X-Accept-Language: en-us, en >Delivered-to: [EMAIL PROTECTED] >User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:0.9.9) Gecko/20020311 > >I'm in process of adding methods to allow cloning my own subclasses of >Behavior/Shape3D. I have few questions: > >1) Is there any way to force duplication of one of NodeComponents ? I'm >talking about Shape3D subclass. I would like to allow cloning of all >components depending on duplication flag (for Appearance, Bounds etc), >but I would like to _force_ duplication of geometry. Currently I'm >thinking about allowing Shape3D to do it's work and then if duplicate >flag is false (this would mean that geometry is copied by reference), >just duplicate it by hand. Will it work ? Or maybe there is some easier >way to do this ?
Passing forceDuplicate = true in cloneTree(boolean forceDuplicate) will duplicate all NodeComponents automatically. If you only want part of them to clone, you have to do this manually after cloneTree(false). > >2) In behaviors I'm keeping references to some transformgroups/shapes. >If I'll copy them directly, they will point to original tree. Is there a >way to point them automatically to corresponding nodes in new tree >(clones of nodes they were pointing to previously) ? What will happen if >node they point to is outside tree being copied at the moment ? > You can use the callback during cloneTree() to get the new reference public void updateNodeReferences(NodeReferenceTable referenceTable) referenceTable.getNewObjectReference(oldReference); DanglingReferenceException may throws otherwise. Check out Section 7.2 from the Specification for details. - Kelvin --------------- Java 3D Team Sun Microsystems Inc. =========================================================================== To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff JAVA3D-INTEREST". For general help, send email to [EMAIL PROTECTED] and include in the body of the message "help".
