duplicator = (circle) => {
let magnitude = circle.column * 2
let perturb = () => ((changing + Math.random() - 0.5) * (magnitude * 3));
let newShape = {column: circle.column, row: circle.row,
cx: circle.cx,
cy: circle.cy,
r: circle.r + perturb(),
m: circle.m
};
return newShape;
}