Tagged Questions
0
votes
1answer
77 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;
...
1
vote
4answers
370 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
673 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
992 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
2answers
4k 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
818 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 ...
5
votes
2answers
2k 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 ...
7
votes
4answers
4k views
Complete Math Library for use in OpenGL ES 2.0 Game?
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
528 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 ...
12
votes
2answers
9k 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 ...
