click a black square, then click around it to make the blob follow you.
now uses cloning. cleaned up code a whole lot. filled the blobs to help @PhysicsLover999 on https://scratch.mit.edu/discuss/topic/118908 Uses @TheLogFather/@Jamohyperturbopro's triangle filler If softness will vary by area, you can caluclate the area using http://www.mathopenref.com/images/polygonregulararea/Equation-2.gif where n=verts and r=radius
