1
vote
1answer
78 views

When to use color keying vs PNG transparency?

With (SDL in this case) one can use color keying to make a certain color in an image transparent. Images in .png format can have transparency, and can be loaded with SDL. When is it better to use a ...
1
vote
1answer
457 views

OpenGL ES Faces appear to be transparent when alpha is 1.0?

I am working on an object (OBJ File) loader for my app on iOS, currently I have successfully read the vertices and the faces of the object, and I am now just adding colours to the imported models. I ...