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  best way for a space background  (Read 1517 times)
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Offline lesto

Senior Newbie





« Posted 2012-01-26 01:17:13 »

Hi,
I'm going to use Ardor3d to pull up some graphics, and i'm wondering what's the bast way to make a space-like backgroud?

I think about a skysphere, with some auto-generated glPoint as star.

But if is possible i like to create a dinamic backgroud, so with some algorithm the user will never see 2 same backgroud, and i can add something more than just star, like distant plane, galaxy fog, and somthing like this.

But i'm also new to this king of algorithm..

can you help me to find some tutorial or nice code about this?
Offline endolf

JGO Knight


Medals: 7
Projects: 1


Current project release date: sometime in 3003


« Reply #1 - Posted 2012-01-26 14:17:18 »

Hi

What I do for darkvoid is generate random number of point stars, a few larger sprited stars all on a sphere, I distort the colour towards blue or red randomly too. Then I generate a few layers of 3D noise of various colours and merge the whole lot together. By priming the random number generator with a seed when I start the process I can guarantee that for the same seed I will get the same background. So I could use say, the sector names hash code to seed the rng.

Some backgrounds have no nebula type things, just stars, some have faint nebula, so are a mass of bright ones, it's quite fun sometimes to just sit there generating new backgrounds to see what falls out Smiley.

If you run the darkvoid demo from the website you'll be able to see the background for the 'first' sector.

HTH

Endolf

Offline lesto

Senior Newbie





« Reply #2 - Posted 2012-01-26 18:44:35 »

hi
i've seen your project (when there was webstart), what I want do is the same, but I started from the physic (only 2d) and network layer. I'm very interessed to your code, but i can't find any repo link

ah, for your native problem, here some code that will autoload your native (just change the relative path according your library location):

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static {

        System.out.println(System.getProperty("java.library.path"));

        System.out.println("Loading native library from: " + new File(new File(System.getProperty("user.dir"), "lib" + File.separator + "lwjgl2.8.1" + File.separator + "native"), LWJGLUtil.getPlatformName()).getAbsolutePath());
        System.setProperty("org.lwjgl.librarypath", new File(new File(System.getProperty("user.dir"), "lib" + File.separator + "lwjgl2.8.1" + File.separator + "native"), LWJGLUtil.getPlatformName()).getAbsolutePath());
       
       
        String jinput = System.getProperty("user.dir").toString()+ File.separator+"lib" + File.separator + "dist";
        System.out.println("Loading jinput native library from: " + jinput);
        System.setProperty("net.java.games.input.librarypath", jinput);

    }


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Offline endolf

JGO Knight


Medals: 7
Projects: 1


Current project release date: sometime in 3003


« Reply #3 - Posted 2012-01-26 19:01:14 »

Nope, there is no public repository of my code, it's not open source which means most code hosts don't want to know.

I wasn't aware that I had any problems loading natives.

Endolf

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