duck

var wasSnapped : boolean;

function Update() {

	snap = false;

	for (snapPos in snapPositions) {
		(if touch is near snapPos) {
			snap = true;
                        foundSnapPosition = snapPos;
		}
	}

	if (snap) {

		if (!wasSnapped) {

			// this is the first frame of a snap!
			send foundSnapPosition
			wasSnapped = true
		}

	} else {

		send touch position
		wasSnapped = false
	}

}