anchor.diff:  			//src = null
   		proc
   			shoot(lag=2)
  +				velocity = lag
   				walk(src,dir,lag)
   				//sleep(20)
   				//src.loc = null
  
positive.code: 					     angle  = new /Random(n - 25, n + 25),
  					     speed  = 2,
  					     life   = new /Random(15,25))
  			walk(src,0)
  			src.loc = null
  
  
negative.code: 	projectile
  		layer = 4
  		density = 1
  		var/velocity = 0
  		SteppedOn(atom/movable/A)
  			//world << "[src] stepped on [A]"
  			//			projectile stood on candle
  