Subset of the OpenGL 3D graphics API designed for embedded devices such as mobile phones.
1
vote
0answers
32 views
Sprite Animation in Android with OpenGL ES
How to do a sprite animation in android using OpenGL ES?
What i have done :
Now I am able to draw a rectangle and apply my texture(Spritesheet) to it
What I need to know :
Now the rectangle shows ...
1
vote
0answers
35 views
Is there a way to export 3D objects with animation from Blender or any other app into OpenGL ES 1.1 code?
The problem is that all the examples I've found are obsolete or iOS/Android specific and not "pure" OpenGL ES 1.1.
If anyone can provide me with a good example/tutorial/book it would be very much ...
0
votes
1answer
60 views
Lighting get darker when texture is aplied
Im using OpenGL ES 1.1 for iPhone.
I'm attempting to implement a skybox in my 3d world and started out by following one of Jeff Lamarches tutorials on creating textures. Heres the tutorial: ...
3
votes
2answers
85 views
OpenGL sprites and point size limitation
I'm developing a simple particle system that should be able to perform on mobile devices (iOS, Andorid). My plan was to use GL_POINT_SPRITE/GL_PROGRAM_POINT_SIZE method because of it's efficiency ...
1
vote
1answer
144 views
Rotate triangle so that its tip points in the direction of the point on the screen that we last touched
OpenGL ES - Android.
Hello all, I am unable to rotate the triangle accordingly in such a way that its tip always points to my finger.
What i did : Constructed a triangle in by GL.GL_TRIANGLES. Added ...
1
vote
1answer
148 views
Sprite animation in openGL - Some frames are being skipped
Earlier, I was facing problems on implementing sprite animation in openGL ES.
Now its being sorted up. But the problem that i am facing now is that some of my frames are being skipped when a bullet(a ...
5
votes
5answers
161 views
Which version of OpenGL for Android?
I've been trying to learn OpenGL ES 2.0 to create a simple 2D game. I bought a book on android development, but after seeing that the author uses his own SDK that implements OpenGL ES 1.0 I decided to ...
1
vote
1answer
76 views
openGL ES - change the render mode from RENDERMODE_WHEN_DIRTY to RENDERMODE_CONTINUOUSLY on touch
i want to change the rendermode from RENDERMODE_WHEN_DIRTY to RENDERMODE_CONTINUOUSLY when i touch the screen.
WHAT i Need :
Initially the object should be stationary. after touching the screen, it ...
3
votes
1answer
121 views
how to do sprinkle effect of water in opengl in android?
I want to achieve sprinkling effect of water in android using opengl.
so,
do i need to achieve it with graphics?
is there any other way to do it using opengl?
or how can i start working on this,any ...
4
votes
2answers
258 views
Implementing fog of war in opengl es 2.0 game
Hi game development community, this is my first question here! ;)
I'm developing a tactics/strategy real time android game and I've been wondering for some time what's the best way to implement an ...
0
votes
1answer
64 views
Artifacts when draw particles with some alpha
I want to draw in my game some particles. But when I draw one particle above another particle, alpha channel from this above "clear" previous drawed particle.
I set in OpenGL blend in this way:
...
2
votes
2answers
102 views
OpenGL 3.0+ framebuffer to texture/images
I need a way to capture what is rendered on screen, i have read about glReadPixels but it looks really slow.
Can you suggest a more efficient or just an alternative way for just copying what is ...
1
vote
1answer
73 views
Offset Forward vector of object based on Rotation
I'm using the Bullet 3D physics engine in a iOS application running openGL ES 1.1
Currently I'm accepting info from the gyroscope to allow the user to "look around" a 3d world that follows a bouncing ...
1
vote
1answer
53 views
book and resource about vanilla OpenGL ES 2.0 development
I Found this book but it talks about an SDK created by the author rather than pure simple OpenGL ES 2.0; this sounds more like a commercial to me than a good book for programming, i would like to ...
2
votes
3answers
123 views
Should we always prefer OpenGL ES version 2 over version 1.x
OpengGL ES version 2 goes a long way into changing the development paradigm that was established with OpenGL ES 1.x. You have shaders which you can chain together to apply varios effects/transforms to ...
