Allows you to easily manipulate variables and fire functions on the fly, inspired by the venerable dat-gui.
dat.GUI magically generates a graphical user interface (sliders, color selector, etc) for each of your variables.
dat.gui's niche is in listening to and controlling data such that it can be visualized into charts or other graphics. Creating a new DAT.GUI instance provides a new sliding pane for which to add controls to: