shouldRepaint method
Implementation
@override
bool shouldRepaint(EffectAnimator old) =>
old is! ShapeExplosionAnimator ||
old.particleCount != particleCount ||
old.circleRadius != circleRadius ||
old.tailFactor != tailFactor ||
old.explosionScale != explosionScale ||
old.enableHueTilt != enableHueTilt ||
old.hueTiltRange != hueTiltRange ||
old.saturationBoost != saturationBoost;