Tagged Questions
0
votes
1answer
40 views
How to use mipmap in OpenGL-ES
I have recently entered in the OpenGL world. I am very pleased with the performance that I got with opengl compared to those obtained with a SurfaceView and its canvas. At the same time because of the ...
1
vote
1answer
114 views
OpenGL slower than Canvas
Up to 3 days ago I used a Canvas in a SurfaceView to do all the graphics operations but now I switched to OpenGL because my game went from 60FPS to 30/45 with the increase of the sprites in some ...
0
votes
1answer
42 views
Version number not supported by gl2 in andengine
I am new to andengine. From various forums, i got to know that my system should support hardware virtulisation. I have installed "Intel X86" and my system didn't throw any problem regarding "HAX" now. ...
0
votes
0answers
31 views
Android Object get Jagged at the border
I am new to OpenGL ES 1 in android. My 3D Model border getting Jagged. Please help me to look like a smooth border instead of jagged.
Screenshot : http://i.stack.imgur.com/1Gq83.png
private class ...
2
votes
2answers
232 views
Split up a screen into regions
My task: I want to split up a screen into 3 regions for buffs-bar (with picked items), score-info and a game-map. It doesn't matter are regions intersect with each other or not.
For example: I have ...
3
votes
1answer
142 views
How to program dynamic touch events that scale according to device?
When using openGL to build a UI for my prototype I find that that I am still required to use pixels to capture touch events. To make matters worse the Android Docs make this subject slightly ...
0
votes
0answers
29 views
AndroidOpenGL drawing loop and passing drawing information
I am using GLSurfaceView for my application's core drawing process.
I do my drawing onDrawFrame ( a function that gets called as often as possible, like thread loop ).
However when touch event ...
2
votes
1answer
188 views
How to tell what part of a 3D cube was touched
I am writing a rather simple android game and I am implementing Open GL to draw a 3D cube that spins upon the X, Y and Z axis and I need to know where the user has clicked on the texture of the cube.
...
2
votes
1answer
70 views
How to obtain touch events from a GL Viewport, not the whole screen?
Background
I'm implementing viewport resizing in order for my game to maintain the same display ratio on all devices.
However, I've found an issue with getting touch events.
Basically, if my ...
0
votes
0answers
67 views
Android Screen-World Raycasting using GLU.gluUnProject method glitch?
I had been using GLU.gluUnProject to translate coordinate from 2d screen to world.
I found it odd and frustrating because for some reason using the method results in
unpredicted values.
I included ...
1
vote
0answers
126 views
How to implement a multi-platform Java 2D game engine's graphics?
I'm not sure whether this question should be posted here. I'm trying to make a basic generic game engine in Java. Here's what I have so far.
public abstract class Device {
public abstract void ...
0
votes
0answers
214 views
Android OpenGL ES 2.0 gameloop problems
I implemented a gameloop found here: http://www.koonsolo.com/news/dewitters-gameloop/ into my OpenGL ES 2.0 Android game. The tutorial was written with the canvas API in mind, not OpenGL so I made a ...
8
votes
1answer
481 views
How to reduce image size without pixelation?
I see lots of games with smooth edges characters and high res images, however when I try to reduce images to say 64x64 for my character I just get a pixelated mess. even if I start with a 64x64 canvas ...
5
votes
1answer
99 views
GLImpl.gldrawelements longer than usual
I'm developing a little game engine for the Android platform and I'm trying to improve the performance of this one. (I'm not an OpenGL expert)
I can see a framerate drop sometimes, when using DDMS ...
0
votes
1answer
253 views
Using compressed(ETC1) textures in LibGDX
I use standard android tool for compressing PNG texture and archiving it with gzip:
/android-sdks/tools/etc1tool texture.png --encodeNoHeader
gzip texture.pkm
Then I try to load it:
FileHandle ...
