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1  Java Game APIs & Engines / OpenGL Development / Re: about glGetFloat on: 2011-05-27 20:17:27
oh ... miss take! Shocked
I used BufferUtils.createFloatBuffer() Instead of ByteBuffer.allocateDirect(16 * 4).asFloatBuffer();
2  Java Game APIs & Engines / OpenGL Development / Re: about glGetFloat on: 2011-05-27 16:08:52
Thank you for your appropriate answers !

I could get good program output,
because I used BufferUtils.createFloatBuffer() Instead of BufferUtils.createFloatBuffer(),
I used glGetFloat(GL11.GL_MODELVIEW_MATRIX...) Instead of glGetFloat(GL11.GL_MODELVIEW...)

My problem is solved!.
Thank you.
3  Java Game APIs & Engines / OpenGL Development / about glGetFloat on: 2011-05-27 12:22:46
I can't use glGetFloat() function well. please help me.

I wrote this code.
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GL11.glMatrixMode(GL11.GL_MODELVIEW);
GL11.glLoadIdentity();
GL11.glScalef(10.f, 10.f, 10.f);
FloatBuffer FB = ByteBuffer.allocateDirect(16 * 4).asFloatBuffer();
GL11.glGetFloat(GL11.GL_MODELVIEW, FB);

for(int i = 0 ; i < 16 ; ++i)
{
  System.out.println(FB.get(i));
}

but, this program out put this.
0.0
0.0
0.0
0.0
...
0.0
all Zero.
this output is not good.
it is different from I expected.
Where is wrong?
 
I'm Japanese. So My English may have some problems. Please pardon me.

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