start method

void start({
  1. double? from,
})

Starts an animation from a value

Implementation

void start({double? from}) {
  if (vsync != null) {
    _controller.forward(from: from);
    return;
  }

  if (!_tickerProvider._ticker.muted) {
    _controller.forward(from: from);
  } else {
    _tickerProvider._ticker.muted = false;
  }
}