Tagged Questions

-1
votes
1answer
69 views

How can one make multiple movable images in OpenGL ES 2.0? [closed]

I was wondering, I've only seen examples of OpenGL ES 2.0 where people have used one or perhaps two images. I didn't see multiple images of where they each had independent movement. What if someone ...
0
votes
1answer
96 views

Get back or delete an existing OpenGL object, then change it and draw at new. How?

With OpenGL i'm drawing for example a circle. Can i take this drawn circle back out of the window and change something and then draw it back on the window? Or can i /have to delete it and then draw ...
7
votes
2answers
308 views

What's the best way to draw lots of trees

I'm writing an app which renders a random island planted with trees. The trees are currently two quads, criss-crossed and drawn with textures. I plan to have more complex meshes that form different ...
3
votes
1answer
113 views

Cut a translucent square in a texture

How to remove (cut-out) a transparent rectangle in a Texture, so that the hole will be translucent. On Android I would use the Xfermodes approach: ...
0
votes
0answers
51 views

What could cause dispersed triangles instead of integral model?

So the thing is, I get dispersed triangles instead of model that I'm loading, in this case it's just a cube. It seems as those triangles have no points that connect them. Is there anyone who had this ...
2
votes
0answers
1k views

Best practice to use Sprites in a game using AndEngine GLES2

Currently I am having static reference to all my sprites and loading and initializing them in my OnCreateResource mthod of SimpleBaseGameActivity, But now I have to override onAreaTouched listener on ...
2
votes
2answers
402 views

Horizontal wrapping with AndEngine

How would one implement the effect of a sprite disappearing on one side of the screen and appearing on the other using AndEngine? Like in Kid Icarus, seen here at around 1:22.
1
vote
3answers
789 views

How can I draw crisp per-pixel images with OpenGL ES on Android?

I have made many Android applications and games in Java before, however I am very new to OpenGL ES. Using guides online, I have made simple things in OpenGL ES, including a simple triangle and a cube. ...
3
votes
2answers
948 views

What is causing these visual artifacts on my OpenGL sprites?

What could be the cause of the defects in my characters sprite? I am using OpenGL ES 2.0. I draw my sprites in a sprite batch that uses UV coordinates from one large texture atlas. If you look around ...