add(objects) {
		if (objects instanceof Trigger) {
			// single
			return this.triggers.push(objects)
		}

		objects.each((trigger) => {
			if (trigger instanceof Trigger) {
				this.triggers.push(trigger)
			} else {
				console.error('Object added to TriggerCollection is not a Trigger. Object: ', trigger)
			}
		})
	}
Adds one or multiple Trigger objects
@param {Trigger|Trigger[]} objects