Hi !
Featured games (91)
games approved by the League of Dukes
Games in Showcase (757)
Games in Android Showcase (229)
games submitted by our members
Games in WIP (844)
games currently in development
News: Read the Java Gaming Resources, or peek at the official Java tutorials
    Home     Help   Search   Login   Register   
Pages: [1]
  ignore  |  Print  
  Accelerating graphics updates  (Read 1910 times)
0 Members and 1 Guest are viewing this topic.
Offline Surfy

Innocent Bystander

Java games rock!

« Posted 2002-12-06 09:28:40 »

Hi all,

I've developing a Map component at present and I'm experiencing problems when updating the Map and it's contents to reflect the user's interaction.

At present I have a Map (JPanel) that contains Nodes (JLabel) and Edges (JComponent). The Edge component is basically a line between 2 Nodes.

When the Map is lightly populated with 5-10 Nodes and a several Edges the updates (painting), triggered from a user dragging a Node to a new location, are within the perceived scope of real-time. But as the number of Nodes increases 50+ the dragging operation really suffers; the Node stutters around the screen behind the cursor.

I wondered if I was doing anything obviously wrong, or there is a natural point at which Java can't handle the repainting. I need to use Swing for the components to acknowledge the mouse events, tooltips and other UI details.

Any thoughts ?

Offline Harley Rana

Junior Devvie

Java games rock!

« Reply #1 - Posted 2002-12-15 05:12:42 »

Hi that sounds like an iteresting problem.
When you say a Map component, im not sure what you mean.  Nodes and edges, sounds like your making a Tree.  

So as a node is being moved its kids position is also being updated, and this is whats sucking time?

Its hard to say what the problem is with out some more details of your programs stucture.

The only thing i could think is to update the kids only at the end of the dragging, if your not doing it already.  Mabye setDoubleBuffered(false) might help.

Share some of the code or design and we might be able to help more.
Pages: [1]
  ignore  |  Print  

EgonOlsen (79 views)
2018-06-10 19:43:48

EgonOlsen (58 views)
2018-06-10 19:43:44

EgonOlsen (78 views)
2018-06-10 19:43:20

DesertCoockie (261 views)
2018-05-13 18:23:11

nelsongames (159 views)
2018-04-24 18:15:36

nelsongames (158 views)
2018-04-24 18:14:32

ivj94 (901 views)
2018-03-24 14:47:39

ivj94 (162 views)
2018-03-24 14:46:31

ivj94 (812 views)
2018-03-24 14:43:53

Solater (177 views)
2018-03-17 05:04:08
Java Gaming Resources
by philfrei
2017-12-05 19:38:37

Java Gaming Resources
by philfrei
2017-12-05 19:37:39

Java Gaming Resources
by philfrei
2017-12-05 19:36:10

Java Gaming Resources
by philfrei
2017-12-05 19:33:10

List of Learning Resources
by elect
2017-03-13 14:05:44

List of Learning Resources
by elect
2017-03-13 14:04:45

SF/X Libraries
by philfrei
2017-03-02 08:45:19

SF/X Libraries
by philfrei
2017-03-02 08:44:05 is not responsible for the content posted by its members, including references to external websites, and other references that may or may not have a relation with our primarily gaming and game production oriented community. inquiries and complaints can be sent via email to the info‑account of the company managing the website of java‑
Powered by MySQL Powered by PHP Powered by SMF 1.1.18 | SMF © 2013, Simple Machines | Managed by Enhanced Four Valid XHTML 1.0! Valid CSS!