Debugging for Three.js obj visualiser

Your task is to debug an obj visualiser written with [login to view URL] in native html5. Essentially, a few functions that simplify and wrap around [login to view URL] Function of the visualiser - interface and called by other javascript function on the page to perform task such as below - intialise a div as canvas - load external object and material files and render in that div - set camera and lighting Core functions are implemented. You are required to debug and implement / map the functions to basic html buttons for testing