Top "Mouse-picking" questions

Object picking with ray casting

I've been having a problem with inaccuracies in my ray casting algorithm for detecting mouse hits within a box. I'm …

opengl casting mouse-picking ray-picking
How do I find my mouse point in a scene using SceneKit?

I have set up a scene in SceneKit and have issued a hit-test to select an item. However, I want …

opengl 3d mouse-picking scenekit