update method

@override void update(double deltaTime, Size size)

Implementation

@override
void update(double deltaTime, Size size) {
  color.update(deltaTime);
  for (ELightning eLightning in _sideLightning) {
    eLightning.update(deltaTime, size);
  }
  _buildPathPoints(size);
  if (_ticker > 0) {
    _ticker -= 1;
    if (_ticker.abs() <= 1) {
      _fireLightningOnNextTick = true;
    }
  }
  if (_buildLightningOnNextTick) {
    _buildLightning(size);
    _buildLightningOnNextTick = false;
  }
  if (_fireLightningOnNextTick) {
    _fire(size);
    _fireLightningOnNextTick = false;
  }
  if (_fireUntilPoint > 0) {
    _fireUntilPoint +=
        ((_pointList.length - 1) / buildingTimeInTicks) * _fireMultiplier;
    if (_fireUntilPoint.isNaN) {
      _fireUntilPoint = 0;
    }
    if (_fireUntilPoint >= _pointList.length - 1) {
      _fireUntilPoint = _pointList.length - 1;
      //reverse the build process
      _fireMultiplier = -_fireMultiplier;
    } else if (_fireUntilPoint <= 0) {
      _fireUntilPoint = 0;
    }
  }
}