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Kosh

[java] Getting more speed out of java

3 posts in this topic

Hello everyone, I am interested in getting more speed out of java and well, I want to write a small but fast (enough) polygon engine, just something that can draw polygons, filling them in with a solid colour, no lightsourcing yet, just the polygons will do. But I have a question, how the hell to get more speed out of java. It''s terribly slow at even drawing a few pixels onto a 640x480 frame, let alone a full on fillpoly() routine. So, does anyone have any suggestions ? I am using MemorySourceImage as well, just in case someone suggests that, I am already using it, but apart from that, I am not sure about how I can get more speed. I have hash tabled the cos and sin values for use when rotating, this is done once for each object (done this way cause at the moment, I only have one object so....) anyone have any bright ideas kosh
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you can go and check this java engine :
http://www2.active.ch/~proxima/idx3d/idx3d.htm

You can use Opengl :
http://www.jausoft.com/gl4java/

or the java3d API (OpenGL or Direct3D):
http://java.sun.com

and it''ll help you.

You could use a JIT compiler, as well.
Can''t help you more cause I''m tired and have many things to do ;o)

-* Sounds, music and story makes the difference between good and great games *-
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The black art of java game programming has a nice Polygon 3D engine and it runs at about 60 fps. Go to a book store and buy it or read it there. Since you''re already in the process of making one you should be able to pick up on their method easily.
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Neat trick for everyone, use optimize code toggle in your compieler, it proviedes small speed increase. Also finalize your paint and draw everything in update.

Final public void paint(Graphics g)
{
update(g);
}

public void update(Graphics g)
{
}
Do it something like this. It is faster if you do use canvas or applet


Time comes, time goes and I only am.
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