Function abs

Returns a point with Math.abs applied to x,y and z if present.

Points.abs({ x:1,  y:1  }); // { x: 1, y: 1 }
Points.abs({ x:-1, y:1  }); // { x: 1, y: 1 }
Points.abs({ x:-1, y:-1 }); // { x: 1, y: 1 }