Bullseye
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Appendix 5: Scenario for requirements gathering.
Bullseye
David, a senior executive, likes to relax by playing computer games. One of his favourites is ‘Bullseye’. One evening he arrives home after a difficult day, sits down at his computer and loads ‘Bulls Eye’.
David reads the brief introduction/instructions, explaining how to play the game
and that there are three levels of difficulty:
· Easy; 5 targets traverse the screen over a period of a minute, always from left
to right.
· Harder; 10 targets traverse the screen over a period of a minute, from left to
right then right to left and so on.
· Hard; 15 targets traverse the screen over a period of a minute, randomly, from
left to right or right to left and at increasing speeds.
David clicks the ‘Harder’ button. The screen shows a crosshair on a grass area with a target traversing from the left. Using the mouse David adjusts the aim. He is aiming at a target that traverses the screen from left to right. David, at a point of his choosing clicks the mouse to fire.
If the aim is correct the target is hit. David aims well and hits the circle adjacent to the bull (making a sound) scoring 50 points. Already the next target is traversing from the right; David aims and fires again. After 10 targets have traversed the screen, the game returns to the initial display, which also shows the score of the previous game.
David feels encouraged and clicks the ‘Hard’ button to play the game at the highest
level of difficulty.