I am trying to perform picking in O开发者_如何学编程penGL, and have 3 questions in 1. I use twice the Unproject command, once with 0 and once with 1 as near/end planes.
What is the best method to select object开发者_如何学Pythons that have been drawn in OpenGL ES 2.0 (iOS)?
I\'m on Android OpenGL-ES 2.0 and after all the limitations that come with it, I can\'t figure out how to take 2D screen touches to the 3D points I have. I can\'t get the right results.
I often* find myself in need of a data structure which has the following properties: can be initialized with an array of n objects in O(n).
Hi this might seem like a difficult question(or at least to me it is) but im using glUnproject and its not working.
I have a virtual landscape with the ability to walk around in first-person. I want to be able to walk 开发者_如何学Goup any slope if it is 45 degrees or less. As far as I know, this involves translati
I am trying to implement an opengl picking system I read about and have hit an issue with glReadPixels. Basically, every node in the scene gets a unique color and when a new touch happens, it renders
I\'m making a Minecraft clone as my very first OpenGL project and am stuck at the box selection part. What would be the best method to make a reliable box selection?
I am making a game, actually a very basic replica of Minecraft, for开发者_高级运维 a class project of mine. I\'m stuck in the picking process right now, which would enable me to destroy and create blo
I trying to implement a simple picking function using glReadPixels however when I click on an object that is 1 colour, I get different values back depending on where I clicked on that object?There not
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