barb.throwBoomerangs(50, 1, 30);
barb.throwBoomerangs(50, 2, 30);
barb.throwBoomerangs(50, 3, 30);
barb.throwBoomerangs(50, 4, 30);
In BoomerangWorld, BoomerangThrowers
throw boomerangs. Assume that the boomerangs have an inner angle of
120 degrees. We can specify the size of the boomerangs (ie the
length of one side), the number of boomerangs to throw, and
how far apart (the offset) the boomerangs should land. When we
create a BoomerangThrower barb, she starts at a
specific place with her pen down and facing the right. If we ask her
to throw fewer than one boomerang, she does nothing. The first
boomerang she throws drops at her feet with its top where she stands.
Regardless of the number of boomerangs she throws, barb stands
in her initial position facing her initial direction when she is
finished. The following pictures illustrate the result from asking
barb to throw different numbers of boomerangs.
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Our task is to fill in the code for the
throwBoomerangs method in the
BoomerangThrower class. The following skeleton is
provided for us.
public void throwBoomerangs (double size, int number, double offset) {
System.out.println("throwBoomerangs("+size+", "+number+", "+offset+");");
// add your code here
}
We may also want to define auxiliary methods in the
BoomerangThrower class. We should not need to modify the
BoomerangWorld class in order for our code to work.
However, we may modify it during testing.