Everything only works with Snapshot 14w26a or newer! Schematic download link: http://adf.ly/pyaG2 This file also includes that arrows can break glass. You only need to add three lines of code and you have to put it in the right direction (signs on commandblocks) to make it work: /scoreboard objectives add running dummy /scoreboard objectives add falling dummy /scoreboard objectives add flying dummy
If you have any question just ask :)
Explanation here: https://www.youtube.com/watch?v=72Ef37xDoOY&feature=youtu.be
Appears on these pages
This is my idea for a better glass module that let's you break glass but falling on it, running...