rotate method

Offset rotate(
  1. double radius,
  2. int nbSteps,
  3. int step
)

Implementation

Offset rotate(double radius, int nbSteps, int step) {
  return Offset(this.dx + radius * cos(step * 2 * pi / nbSteps),
      this.dy + radius * sin(step * 2 * pi / nbSteps));
}