Calculate the position of an element inside a photosphere

Question

Im using an a-sky element to display a 360° photosphere.

My problem is that I have to place inside the photosphere some elements that must act like \'markers\'; but I do

Answer 1

If you want to calculate position on the a-sky sphere surface, I have a method. make a ray from camera's position, and this ray will hit on sphere. this hit point is the position that we want to calculate. the code is like: