shouldRepaint method
Implementation
@override
bool shouldRepaint(EffectAnimator oldAnimator) {
return oldAnimator is! RadialFireworkAnimator ||
oldAnimator.elementCount != elementCount ||
oldAnimator.circleRadius != circleRadius ||
oldAnimator.lineLength != lineLength ||
oldAnimator.finalScale != finalScale ||
oldAnimator.enableSparkles != enableSparkles ||
oldAnimator.enableColorShift != enableColorShift ||
oldAnimator.enableExtraBounce != enableExtraBounce;
}