I am opening file pick Intent with, Bellow code Intent intent_upload = new Intent(); intent_upload.setType("*/*"); intent_upload.setAction(Intent.ACTION_GET_CONTENT); activity.startActivityFor...

I want to do picking via IdMapping in Three.js Because of performance issues I only have one huge geometry, computed like this: for (var i = 0; i < numberOfVertices; i += 9) { p1 = new THREE....

I have a renderer using directx and openGL, and a 3d scene. The viewport and the window are of the same dimensions. How do I implement picking given mouse coordinates x and y in a platform indepen...

So, I am trying to implement the picking through id. This means with every drawArray a different unique id will be set as uniform and saved in the red component on a texture. 16 bits are more than...

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've been going through some AA...

What is the best method to select objects that have been drawn in OpenGL ES 2.0 (iOS)? I am drawing points.

I've been converting my own personal OGLES 2.0 framework to take advantage of the functionality added by the new iOS 5 framework GLKit. After pleasing results, I now wish to implement the colour-b...

As seen in the image I draw set of contours (polygons) as GL_LINE_STRIP. Now I want to select curve(polygon) under the mouse to delete,move..etc in 3D . I am wondering which method to use: 1....