Love and behold just as you don't know what to do... you stumble upon one of the new features in Construct 2. Scirra i love you :-)
Try this out for size... Touch labyrinth
Using the new Line-of-sight behavior.
It does exactly what i was looking for.
On a side note. Fun story.. I actually knew about the new line-of-sight behavior, but I didnt think of it.
Until I was trying to get more rep on the website and was going through the manuals to get some more reputation <img src="smileys/smiley9.gif" border="0" align="middle"> So dont say the badge system aint good for something <img src="smileys/smiley17.gif" border="0" align="middle"> <img src="smileys/smiley32.gif" border="0" align="middle">