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I tried to input opengl based on a book that says to load the library. However opengl is not one of the available libraries. When I tried to run it anyway, it says "Looks like your mixing active and static modes
Answers
OpenGL is bundled with Processing, no library to install.
"Looks like your mixing active and static modes"
I don't think the Processing devs used such wrong grammar... :-P
This error has nothing to do with OpenGL, it happens if you have no setup() function, but you try to define a function, in general.
I have a setup() but still have same message. But it looks like I just need to import processing.opengl.*; right?