Chapter 6-1 IF/ELSE Example (similar to TallTrees exercise in 6-1)
When writing "IF" statements in Alice, you
must do the following in order.
-
Write out in Comments (English)
what you want the IF/ELSE statement to be and try to
use math.
-
Drag
the IF/ELSE command
-
up into a method of your choice (aliceLiddel.walkBetweenTrees example below)
-
select the condition
to be TRUE
-
you will change the TRUE in step 3
-
From the World's
functions window,
-
drag the relation operator (==, != , >, <, >=, <=)
over the TRUE condition
-
select 0.25 for the "a" and
0.25 for the "b”
-
you will change these
numbers in step 4
-
Select an Object and click on the function detail (not method details),
-
drag whatever function (not method)
you need over the first 0.25
-
change
or drag another function or number over the
second 0.25
