ThreeJS disable rendering of faces behind the Camera

Question

I am Writing a Panorama Viewer. The Image is Displayed in a Sphere with a variable amount of faces. I want it only to render the faces in the camera direction (

Answer 1

If rolling your own vertices, edges, indices, a triangle with vertices stored in counterclockwise order is said to be front facing by default :

"To activate face culling, GL_CULL_FACE​ must first be enabled with glEnable​. By default, face culling is disabled"