Android OpenGL deltaTime Measure issue

Posted by droidmachine on Stack Overflow See other posts from Stack Overflow or by droidmachine
Published on 2012-09-03T00:55:14Z Indexed on 2012/09/03 3:38 UTC
Read the original article Hit count: 156

Filed under:

android

|

opengl-es

I'm measuring deltaTime like that:

deltaTime = (System.nanoTime()-startTime) / 1000000000.0f;
            startTime = System.nanoTime();

But I'm always getting different float values and because of that my game is stuttering.What can be the problem of that?

09-03 03:51:59.219: D/a(21807): 0.017184043
09-03 03:51:59.234: D/a(21807): 0.016405167
09-03 03:51:59.249: D/a(21807): 0.018071748
09-03 03:51:59.269: D/a(21807): 0.015293334
09-03 03:51:59.284: D/a(21807): 0.016080335
09-03 03:51:59.299: D/a(21807): 0.018669458
09-03 03:51:59.314: D/a(21807): 0.014720625
09-03 03:51:59.334: D/a(21807): 0.01605596
09-03 03:51:59.349: D/a(21807): 0.017086169

© Stack Overflow or respective owner

Related posts about android

Please verify my layout: bottom button keeps coming up over keyboard

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi everyone, I have a layout which does almost what I want. There's just one bug regarding the button at the bottom. I should stay at the bottom at all times. But whenever I bring up the soft-keyboard the button will be displayed above the keyboard. This is not what I want but it should become covered… >>> More
Android programming. Application stopped unexpectedly.

as seen on Stack Overflow - Search for 'Stack Overflow'
I've just created a prototype of interface for my android app and tried to run it. Unfortunately I get an error that my app has stopped unexpectedly (my reputation doesn't allow me to post images so follow my links): screenshot of error message This is layout mode of editing. Everything looks as… >>> More
Listview Row Overlap Problem

as seen on Stack Overflow - Search for 'Stack Overflow'
I just updated my app and I am getting some odd complaints from people who update it. I am only getting complaints from people with non-stock android phones (phones that manufacturers have modified...HTC phones, cliq, pulse, etc), other phones like the Droid, Nexus work fine. My app (Photo Frame Deluxe)… >>> More
Why are some of my view not aligned correctly at the bottom of my relative layout?

as seen on Stack Overflow - Search for 'Stack Overflow'
I have problems getting some of my views aligned in a relative layout that I use inside a row of my listview. Here is a screenshot from the layout builder in Eclipse, this is what I think it should look like: The next image is from the emulator. Now the TestTestTest View is at the top and covers… >>> More
Android RatingBar weirdness: Whenever I add a RatingBar to my layout, a bunch of the generated tags,

as seen on Stack Overflow - Search for 'Stack Overflow'
Whenever I use a RatingBar view in my layout, I suddenly get all kinds of compile errors. I'm using Android 2.0, but I've also tried 2.0.1, and 2.1, without joy. I also get a message: Shader 'android.graphics.BitmapShader' is not supported in Layout Editor, and an odd warning which may or maynot be… >>> More

Related posts about opengl-es

Tutorials and libraries for OpenGL-ES games on Android

as seen on Stack Overflow - Search for 'Stack Overflow'
What tutorials and libraries are available which can help beginners to develop 2D and 3D games on Android using OpenGL-ES? I'm looking for tutorials which can help me learn OpenGL-ES, and I'm looking for OpenGL-ES libraries which can make life easier for beginners in OpenGL-ES. Since Android is still… >>> More
Can I upgrade UIRequiredDeviceCapabilities from opengles-1 to opengles-2 in iOS app

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi I’m upgrading my app from cocos2d-x 1.x to 2.x that means change from OpenGLES 1.0 to 2.0, I've updated my Info.plist settings to reflect the change <key>UIRequiredDeviceCapabilities</key> <dict> <key>accelerometer</key> <true/> <key>opengles-2</key> … >>> More
Where are some good resources to learn Game Development with OpenGL ES 2.X

as seen on Game Development - Search for 'Game Development'
Background: From http://www.khronos.org/opengles/2_X/ OpenGL ES 2.0 combines a version of the OpenGL Shading Language for programming vertex and fragment shaders that has been adapted for embedded platforms, together with a streamlined API from OpenGL ES 1.1 that has removed any fixed functionality… >>> More
[OpenGL ES - Android] Better way to generate tiles

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi ! I'll start by saying that i'm REALLY new to OpenGL ES (I started yesterday =), but I do have some Java and other languages experience. I've looked a lot of tutorials, of course Nehe's ones and my work is mainly based on that. As a test, I started creating a "tile generator" in order to create… >>> More
iPod/iPhone OpenGL ES UIView flashes when updating

as seen on Stack Overflow - Search for 'Stack Overflow'
I have a simple iPhone application which uses OpenGL ES (v1) to draw a line based on the touches of the user. In the XCode Simulator, the code works perfectly. However, when I install the app onto an iPod or iPhone, the OpenGL ES view "flashes" when drawing the line. If I disable the line drawing… >>> More