pmouseX/Y are processing.js variables that always contain the previous frame's coordinates of the mouse. It is not necessary to set it in mouseClicked() for it to work in mouseDragged()
Space bar centers on the player (currently 0,0 by default). Key can be changed in the future.
Updates to documentation
resolved
Merge pull request #49 from Seneca-CDOT/issue37

Issue37 - Viewbox Center