text: import { __extends } from "tslib";
  import Path from '../Path';
  var PI = Math.PI;
  var sin = Math.sin;
  var cos = Math.cos;
  var IsogonShape = (function () {
      function IsogonShape() {
          this.x = 0;
          this.y = 0;
          this.r = 0;
          this.n = 0;
      }
      return IsogonShape;
  }());
  var Isogon = (function (_super) {
      __extends(Isogon, _super);
      function Isogon(opts) {
          return _super.call(this, opts) || this;
      }
      Isogon.prototype.getDefaultShape = function () {
          return new IsogonShape();
      };
      Isogon.prototype.buildPath = function (ctx, shape) {
          var n = shape.n;
          if (!n || n < 2) {
              return;
          }
          var x = shape.x;
          var y = shape.y;
          var r = shape.r;
          var dStep = 2 * PI / n;
          var deg = -PI / 2;
          ctx.moveTo(x + r * cos(deg), y + r * sin(deg));
          for (var i = 0, end = n - 1; i < end; i++) {
              deg += dStep;
              ctx.lineTo(x + r * cos(deg), y + r * sin(deg));
          }
          ctx.closePath();
          return;
      };
      return Isogon;
  }(Path));
  Isogon.prototype.type = 'isogon';
  export default Isogon;
  