Overall Data Flow ...
What are the new variables needed
- loEnd, hiEnd, midPt and lastDay
Where do the initial values come from?
- After the Zodiac computation, loEnd and hiEnd can be set
- Once interval set, probe (midPt) can be computed
How are these values updated?
- In the yes and no button event handlers
- In the case of “yes,” which end moves?
- loEnd moves up past the midPt
- In the case of “no”, which end moves?
- hiEnd moves down to the midPt
When does the questioning terminate?
- When the end points are equal