Brent
Site Admin
Joined: 01 Jul 2005
Posts: 790
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 Posted: Feb 15th, 2009, 3:57am Post subject: [BETA DEMO] RB Math CAPTCHA widget |
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| Code: | [Test Captcha]
cls
print "Please answer a simple math problem to continue."
[Repeat Captcha]
run "MathCaptcha", #captcha
#captcha Difficulty(1,5)
#captcha SetFocus()
render #captcha
button #b, "Submit", [Check Captcha]
wait
[Check Captcha]
print
if #captcha IsValid() then
cls
print "Correct."
else
cls
print "Incorrect. Try again."
goto [Repeat Captcha]
end if
end |
| Code: | ' Math CAPTCHA
' By Brent D. Thorn
' Created 2/2009
' PUBLIC DOMAIN
Global m.answer
Global #answer
Function Difficulty(low, high)
low = Min(Max(low, 1), 5)
high = Min(Max(high, 1), 5)
n = Abs(high - low) + 1
n = Int(n * Rnd(0) + low)
Select Case n
Case 1 ' a + b
a = Int(5 * Rnd(0) + 1)
b = Int(5 * Rnd(0))
m.answer = a + b
Print a;" + ";b;" = ";
Case 2 ' a + b + c
a = Int(10 * Rnd(0))
b = Int(10 * Rnd(0))
c = Int(10 * Rnd(0))
m.answer = a + b + c
Print a;" + ";b;" + ";c;" = ";
Case 3 ' aa + b
a = Int(90 * Rnd(0) + 10)
c = Int(10 * Rnd(0))
m.answer = a + b
Print a;" + ";b;" = ";
Case 4 ' a * b
a = Int(10 * Rnd(0) + 1)
b = Int(10 * Rnd(0) + 1)
m.answer = a * b
HTML a;" × ";b;" = "
Case 4 ' a * b + c
a = Int(10 * Rnd(0))
b = Int(10 * Rnd(0))
c = Int(10 * Rnd(0))
m.answer = a * b + c
HTML a;" × ";b;" + ";c;" = "
Case 5 ' a + b * c
a = Int(10 * Rnd(0))
b = Int(10 * Rnd(0))
c = Int(10 * Rnd(0))
m.answer = a + b * c
HTML a;" + ";b;" × ";c;" = "
End Select
TextBox #answer, ""
End Function
Function IsValid()
IsValid = (#answer Value() = m.answer)
End Function
Function SetFocus()
#answer SetFocus()
End Function |
_________________
Brent |
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