Description
According to
http://en.wikipedia.org/wiki/Target_archery, standard
FITA targets are marked with 10 evenly spaced
concentric rings, which … have score values from 1
through 10 assigned to them. … In FITA archery, targets
are colored as follows:
• 1 ring & 2 ring – white
• 3 ring & 4 ring – black
• 5 ring & 6 ring – blue
• 7 ring & 8 ring – red
• 9 ring, 10 ring – gold
a. Write a function called target to draw an archery
target using turtle graphics; target should have a
parameter that determines the size of the drawing, and the center of the target should be at the origin
(0, 0).
b. Write a function shoot that simulates firing an arrow towards the target. The effect of shoot should be
to indicate visually where on the target (or near the target) the “arrow” lands. The landing position
should be at a pseudo-random position on or near the target. Look at the documentation for the Python
module random and choose a suitable function to help you generate a pseudo-random position. The
return value of shoot should be the distance between the origin and the point at which the arrow lands.
c. Write a function score, which takes as parameters the distance of an arrow from the origin, and the
radius of the target, and calculates the score for that arrow, according to the above instructions. You
may need to use some of the functions in the math module. The return value of score should be the
calculated score. Put some examples into the docstring for score, to illustrate how the function works,
like this:
Examples:
>>> score(0, 200)
10
>>> score(250, 200)
0
Add enough examples to make clear what score does in the interesting boundary cases. When you
execute these examples in the interpreter, you should get the illustrated answers!
d. Write a function displayScore that writes a score underneath a target. Give it suitable parameters.
e. Complete your program for playing single-shot archery by writing the function singleShot that draws
the target, fires an arrow, and displays the score. Naturally, singleShot should use the other functions
that you have already defined. Give singleShot any necessary parameters.
f. Test your program by executing singleShot a few times.
