public Builder then(FadedHandler handler) {
fader.handler = handler;
return this;
}
public Builder every(int millis) {
fader.period = millis;
return this;
}
public Builder by(double step) {
fader.step = step;
return this;
}
public Builder to(double to) {
fader.to = Math.max(to, 0);
return this;
}
public Builder from(double from) {
fader.from = Math.min(from, 1);
return this;
}
public FadeAnimation start() {
fader.start();
return fader;
}