Mercurial > jmeCapture
changeset 63:df4a2d12ea13
added new timer for debugging purposes
author | Robert McIntyre <rlm@mit.edu> |
---|---|
date | Sun, 15 Jan 2012 04:10:37 -0700 |
parents | f5e52169f056 |
children | 155c70b7e6de |
files | src/com/aurellem/capture/RatchetTimer.java transcoding.txt |
diffstat | 2 files changed, 57 insertions(+), 1 deletions(-) [+] |
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line diff
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/com/aurellem/capture/RatchetTimer.java Sun Jan 15 04:10:37 2012 -0700 1.3 @@ -0,0 +1,56 @@ 1.4 +package com.aurellem.capture; 1.5 + 1.6 +import com.jme3.system.Timer; 1.7 + 1.8 +/** 1.9 + * RatchetTimer is the same as IsoTimer, except that it will ensure 1.10 + * that the simulation does not proceed any faster than it would had 1.11 + * NanoTimer been used. 1.12 + * 1.13 + * @author normenhansen, Robert McIntyre 1.14 + */ 1.15 + 1.16 +public class RatchetTimer extends Timer{ 1.17 + private float framerate; 1.18 + private int ticks; 1.19 + private long lastTime = 0; 1.20 + 1.21 + public RatchetTimer(float framerate) { 1.22 + this.framerate = framerate; 1.23 + this.ticks = 0; 1.24 + } 1.25 + 1.26 + public long getTime() { 1.27 + return (long) (this.ticks * (1.0f / this.framerate) * 1000f); 1.28 + } 1.29 + 1.30 + public long getResolution() { 1.31 + return 1000000000L; 1.32 + } 1.33 + 1.34 + public float getFrameRate() { 1.35 + return this.framerate; 1.36 + } 1.37 + 1.38 + public float getTimePerFrame() { 1.39 + return (float) (1.0f / this.framerate); 1.40 + } 1.41 + 1.42 + public void update() { 1.43 + long time = System.currentTimeMillis(); 1.44 + long difference = time - lastTime; 1.45 + lastTime = time; 1.46 + if (difference < (1.0f / this.framerate) * 1000.0f) { 1.47 + try { 1.48 + Thread.sleep(difference); 1.49 + } catch (InterruptedException ex) { 1.50 + } 1.51 + } 1.52 + this.ticks++; 1.53 + } 1.54 + 1.55 + public void reset() { 1.56 + this.ticks = 0; 1.57 + } 1.58 +} 1.59 +