Method to

modules/piu/All/piuTimeline.js:112–117

(target, toProperties, duration, easing = null, delay = 0, when = this.duration)

		return this;
	}
	to(target, toProperties, duration, easing = null, delay = 0, when = this.duration) {
		when += delay;
		this.duration = Math.max(when + duration, this.duration);
		this.tweens.push(Tween.to(target, toProperties, duration, easing, when));
		return this;
	}
	seekTo(time) {
		let duration = this.duration;
		time -= this.delay;