jmeCapture: src/com/aurellem/capture/RatchetTimer.java annotate

added new timer for debugging purposes

rev	line source
rlm@63	1 package com.aurellem.capture;
rlm@63	2
rlm@63	3 import com.jme3.system.Timer;
rlm@63	4
rlm@63	5 /**
rlm@63	6 * RatchetTimer is the same as IsoTimer, except that it will ensure
rlm@63	7 * that the simulation does not proceed any faster than it would had
rlm@63	8 * NanoTimer been used.
rlm@63	9 *
rlm@63	10 * @author normenhansen, Robert McIntyre
rlm@63	11 */
rlm@63	12
rlm@63	13 public class RatchetTimer extends Timer{
rlm@63	14 private float framerate;
rlm@63	15 private int ticks;
rlm@63	16 private long lastTime = 0;
rlm@63	17
rlm@63	18 public RatchetTimer(float framerate) {
rlm@63	19 this.framerate = framerate;
rlm@63	20 this.ticks = 0;
rlm@63	21 }
rlm@63	22
rlm@63	23 public long getTime() {
rlm@63	24 return (long) (this.ticks * (1.0f / this.framerate) * 1000f);
rlm@63	25 }
rlm@63	26
rlm@63	27 public long getResolution() {
rlm@63	28 return 1000000000L;
rlm@63	29 }
rlm@63	30
rlm@63	31 public float getFrameRate() {
rlm@63	32 return this.framerate;
rlm@63	33 }
rlm@63	34
rlm@63	35 public float getTimePerFrame() {
rlm@63	36 return (float) (1.0f / this.framerate);
rlm@63	37 }
rlm@63	38
rlm@63	39 public void update() {
rlm@63	40 long time = System.currentTimeMillis();
rlm@63	41 long difference = time - lastTime;
rlm@63	42 lastTime = time;
rlm@63	43 if (difference < (1.0f / this.framerate) * 1000.0f) {
rlm@63	44 try {
rlm@63	45 Thread.sleep(difference);
rlm@63	46 } catch (InterruptedException ex) {
rlm@63	47 }
rlm@63	48 }
rlm@63	49 this.ticks++;
rlm@63	50 }
rlm@63	51
rlm@63	52 public void reset() {
rlm@63	53 this.ticks = 0;
rlm@63	54 }
rlm@63	55 }
rlm@63	56

Mercurial > jmeCapture