0
votes
1answer
72 views

OpenGL ES 1 Pixel Error?

I am developing a game on android using OpenGL ES 1.0 for Android OS. It is a 2d game using a simple Orthographic projection and textures for the sprites. One of these textures has a small line (it ...
1
vote
1answer
447 views

Selecting and moving object in OpenGL Gameplay3D Engine

I'm using Gameplay3d as a game engine to develop a simple board game. PEG Solitaire I've come to the part where I've created a 2D grid for all the movable object, empty locations and also where it's ...
0
votes
1answer
435 views

OpenGLES GLSL Shader attributes always bound to 0

So I have a very simple vertex shader as follows #version 120 attribute vec3 position; attribute vec3 inColor; uniform mat4 mvp; varying vec3 fragColor; void main(void){ fragColor = inColor; ...
2
votes
4answers
638 views

How to create OpenGL (ES 1.0) texture programmatically?

I need to draw inside a buffer and then upload it as texture to OpenGL. So basicaly unsigned char* buffer and then call to glTexImage2D(). I will be using Marmalade mobile SDK and OpenGL ES 1.0.
2
votes
1answer
3k views

How do I implement a score database in Android?

I making a 2D game for Android using OpenGL-ES technology. It is a space shooting game where the player shoots enemy ships. I want to keep a track of score for the amount of enemy ships destroyed ...
-5
votes
4answers
3k views

How to implement a 2d collision detection for Android

I am making a 2d space shooter using opengl ES. Can someone please show me how to implement a collision detection between the enemy ship and player ship. The code for the two classes are below: ...
3
votes
3answers
7k views

OpenGL ES 2.0: Vertex and Fragment Shader for 2D with Transparency

Could I knindly ask for correct examples of OpenGL ES 2.0 Vertex and Fragment shader for displaying 2D textured sprites with transparency? I have fairly simple shaders that display textured polygon ...
2
votes
2answers
978 views

OpenGL ES 2.0: Picking Individual Polygon Sprites from within VBO

Say, I send 10 polygon pairs (one polygon pair == one 2d sprite == one rectangle == two triangles) into OpenGL ES 2.0 VBO. The 10 polygon pairs represent one animated 2D object consisting of 10 ...
6
votes
2answers
3k views

OpenGL ES 2.0: Using VBOs?

OpenGL VBOs (vertex buffer objects) have been developed to improve performance of OpenGL (OpenGL ES 2.0 in my case). The logic is that with the help of VBOs, the data does not need to be copied from ...
12
votes
5answers
8k views

Complete Math Library for use in OpenGL ES 2.0 Game? [closed]

Are you aware of a complete (or almost complete) cross platform math library for use in OpenGL ES 2.0 games? The library should contain: Matrix2x2, Matrix 3x3, Matrix4x4 classes Quaternions ...
6
votes
2answers
619 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 ...
13
votes
2answers
16k views

OpenGL ES 2.0: Setting up 2D Projection

This article describes in general, how to draw sharp OpenGL 2D graphics, using fixed function pipeline. http://basic4gl.wikispaces.com/2D+Drawing+in+OpenGL Because OpenGL ES 2.0 has some ES 1.x ...