From: "Zoran Krunic" <[EMAIL PROTECTED]>
> Hi There,
> Is there a way to get FPS measurements with j3D 1.2.1 ?
> Thanks,
> Zoran
There is a generic way to count FPS: see below.
May work with any version of Java3D.
I dont remember the name of the author, but I like to say a
big Thank You to him/her.
/**
* Title: FPS
* Description: FPS measurer
* Usage: add to your 3D graph and see the FPS measure at console
* @author I dont know :(
* @version 1.0
*/
import javax.media.j3d.*;
import com.sun.j3d.utils.geometry.Text2D;
import javax.vecmath.*;
import java.util.Enumeration;
final class FPS extends Behavior {
protected int nFrames;
protected long startTime;
protected final WakeupCondition w;
protected static float frameRate;
public int i=1;
public Text2D text2D=null;
public FPS(int nFrames)
{
this.nFrames = nFrames;
w = new WakeupOnElapsedFrames(nFrames);
}
public FPS(){
this(200);
}
public FPS(int nFrames, Shape3D texto)
{
this(nFrames);
if (texto instanceof Text2D)
text2D = (Text2D)texto;
}
public void initialize(){
setSchedulingBounds (new BoundingSphere( new Point3d(), 1000));
startTime = System.currentTimeMillis();
wakeupOn(w);
}
public void processStimulus(Enumeration criteria){
long time = System.currentTimeMillis();
frameRate=1000 * (float)nFrames/(float)(time-startTime);
String saida = new String("FPS : " + (int)frameRate);
System.out.println(saida);
if (text2D != null)
{
text2D.setString(saida);
}
startTime = System.currentTimeMillis();
wakeupOn(w);
}
public static float getFrameRate() {
return frameRate;
}
}
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