Method beginShape

src/shape/custom_shapes.js:1075–1079

(shapeKind = constants.PATH)

  }

  beginShape(shapeKind = constants.PATH) {
    this.kind = shapeKind;
    // Implicitly start a contour
    this.beginContour(shapeKind);
  }
  /* TO-DO:
     Refactor?
     - Might not need anchorHasPosition.