artilla's blog

OpenGL ES 1.0 http://android-raypick.blogspot.kr/2012/04/first-i-want-to-state-this-is-my-first.html https://github.com/i-schuetz/Android_OpenGL_Picking OpenGL ES 2.0 http://micropilot.tistory.com/1845   in Korean * Updating I made a demo https://github.com/LHSG/AndroidRayPickingDemo

to make object face at camera(billboarding) http://nehe.gamedev.net/article/billboarding_how_to/18011/ http://www.lighthouse3d.com/opengl/billboarding/index.php?billInt

move camera according to the sensor rotation matrix in OpenGL ES 2.0 https://github.com/LiamAttClarke/android-gl-experiment a bit complex code with LibGDX http://mesai0.blogspot.kr/2013/03/outdoorgeo-augmented-reality-camera.html