Method initiator

src/main/java/fieldbox/boxes/TimeSlider.java:240–252

builds the initiator object for this "begin" call. This can be used to get at the object that caused this "animation" to begin. @param b

(Box b, double t)

	/**
	 * builds the initiator object for this "begin" call. This can be used to get at the object that caused this "animation" to begin.
	 *
	 * @param b
	 */
	public Map<String, Object> initiator(Box b, double t) {
		fieldlinker.AsMap init = Initiators.get(b, () -> {
			Double mapped = currentMapping.get(b);
			if (mapped==null)
			{
				//this happens when a box is overrun
				// t is the time when it was initiated not the current time
				return currentMappingAtTime;
			}
			return mapped.floatValue();
		}, () -> this.properties.get(Box.frame).y);