Tagged Questions
0
votes
0answers
229 views
Camera rotation flicker in OpenGL ES 2.0
I implemented an orbit camera in my own OpenGL ES 2.0 application.
I was getting extensive amount of flicker while rotating the camera using the mouse.
When I added the line eglSwapInterval( ..., ...
1
vote
0answers
140 views
Creation of .des files from .png files?
A DES file is text file. In this file you can find information about the atlas(sprrite sheet) file including: where to find atlas (sprite sheet) image AND describe the position of original image on ...
2
votes
1answer
593 views
OpenGL ES drop shadows for 2D sprites
I've got a an OpenGL scene rendered with a bunch of sprites, and I'd like to automagically add drop shadows to all of them. Here's a picture showing what I mean:
The scene uses orthographic ...
0
votes
2answers
552 views
Graphical Android game: Bad performance in some situations
I am developing a simple graphical game for Android (Java and OpenGL ES). There is no high-end graphics involved, basically a few (less than 10) sprites and some (about 10) dynamically drawn ...
2
votes
2answers
2k views
OpenGL-ES: clearing the alpha of the FrameBufferObject
This question is a follow-up to Texture artifacts on iPad
How does one "clear the alpha of the render texture frameBufferObject"? I've searched around here, StackOverflow and various search engines ...
3
votes
2answers
484 views
Texture artifacts on iPad
I'm porting an iPhone game to the iPad. When I move textures "quickly" (5.0 pixels every update at a rate of 60 Hz) I start to see little "artifacts" or remnants of where the texture used to be. I'm ...
6
votes
2answers
582 views
OpenGL or OpenGL ES
What should I learn? OpenGL 4.1 or OpenGL ES 2.0?
I will be developing desktop applications using Qt but I may start developing mobile applications in a few months, too. I don't know anything about ...
4
votes
1answer
2k views
Rendering 2d sprites into a 3d world?
In opengl how do I render 2d sprites in opengl given that I have a png of the sprite? See images as an example of the effect I'd like to achieve. Also I would like to overlay weapons on the screen ...
4
votes
5answers
2k views
How can I improve the “smoothness” of a 2D side-scrolling iPhone game?
I'm working on a relatively simple 2D side-scrolling iPhone game. The controls are tilt-based. I use OpenGL ES 1.1 for the graphics. The game state is updated at a rate of 30 Hz... And the drawing ...
5
votes
1answer
882 views
How do you activate multisampling in OpenGL ES on the iPhone?
I'm experimenting w/ improving the "resolution" of an OpenGL ES based app. Apple mentions here (developer.apple.com) that OpenGL ES in iOS 4 supports multisampling... and this can improve the ...
