CHAPTER 7
Code Explanation
sw = wallstgs[i].split("+"); Split individual item
sx = Number(sw[0]); Extract 0th value and convert to number
sy = Number(sw[1]); ...1st
fx = Number(sw[2]); ...2nd
fy = Number(sw[3]); ...3rd
curwall = new
Wall(sx,sy,fx,fy,wallwidth,wallstyle);
Create new Wall using extracted and
fixed valueswalls.push(curwall); Add to walls array
everything.push(curwall); Add to everything array
} Close loop
drawall(); Draw everything
} Close if not null
Else { Was null
alert("No data retrieved."); No data
} Close clause
window.addEventListener('keydown',
getkeyAndMove,false);
Set up keydown actionreturn false; Return false to prevent refresh
} Close function
End head element
Start body, set up call to init