| Critter Chat 5 |
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if you cannot see the project |
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Goal: Customize some more with Variables.
Vocabulary: make
to startup
set "question "pos [-200 140]
set "announce "pos [-200 140]
text1, ct hidetext
setbg 0
t1, setsh "critter
conversation
end
to conversation
question [Hi! Do you want to talk? (Type YES or NO.)]
if answer = "no [stop]
if empty? answer [stop]
question [What is your name?]
if empty? answer [stop]
make "yourname answer
text1, ct insert "Hi, insert char 32 insert :yourname insert "! showtext
question (se :yourname [, I don't have a name. Please give me a name.] )
if empty? answer [stop]
text1, ct insert "I'm insert char 32 insert answer insert "!
question (se :yourname [, what color do you like best: red, yellow, orange, green, blue, or violet?] )
if empty? answer [stop]
changecolor
question (se [ I like] answer [too, ] :yourname [. Which sport do you like best: football, baseball, basketball, or soccer?] )
insist
announce (se [I like] answer [best, too! Watch me turn into a ball,] :yourname "! )
setsh answer
text1, ct insert [I'm a] insert char 32 insert answer if answer = "soccer [insert "ball] insert "!
end
to changecolor
if answer = "red [setbg "red]
if answer = "yellow [setbg "yellow]
if answer = "orange [setbg "orange]
if answer = "green [setbg "green]
if answer = "blue [setbg "blue]
if answer = "violet [setbg "violet]
end
to insist
if member? answer [basketball baseball football soccer] [stop]
if empty? answer [stopall]
question [Which sport do you like best: football, baseball, basketball, or soccer? (Spell carefully!)]
insist
end
to Let's_talk_again!
startup
end
Notes Suppose we would like the program to remember the user's name for the whole conversation. We need a way to save this name, because answer only remembers the latest answer.
- We can save an answer by creating a variable using make. In this case, the command
make "yourname answer
creates a variable called yourname and gives it the value of the most recent answer. (Be sure to include one quotation mark before the name of the variable.) Now the computer will remember that answer as long as we want. Whenever we want to use that name, we can write :yourname and the user's name will be supplied. (Be sure to include the colon.)
What If?
Try giving your variable a different name instead of yourname. Does it still work?
Challenge
Create a question-answer conversation in which you include the user's name in at least three questions: at the beginning, the middle, and the end of a question.
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