I've been getting an awful lot of e-mails lately about the broken links on the blog. Unfortunately, there are too many of these e-mails for me to reply to them individually. Instead, I thought I'd reiterate here that all files with broken links can be found on my GitHub page:
Most of them can be found here:
The OpenGL ES-specific code can be found here:
I apologize for the inconvenience, but it's just not practical to go back through five years of blog posts and update the links.