Update util2d from gameutils.js
Update util2d from gameutils.js

Oletus/glbrush.js,garg/glbrush.js,Bercon/glbrush.js,garg/glbrush.js,Oletus/glbrush.js,garg/glbrush.js,Oletus/glbrush.js,garg/examplepressure,garg/examplepressure,Bercon/glbrush.js,garg/glbrush.js,Bercon/glbrush.js,garg/examplepressure,Bercon/glbrush.js,garg/examplepressure