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Topic: 69 random(n,n) bug (Read 1245 times) |
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skloopy
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69 random(n,n) bug
« on: Apr 29th, 2004, 11:57pm » |
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Okay this is weird..
P5 will just stop and not draw anything if you try to use the two variable version of random() and both the values are the same. Like random(10,10) I know nobody would want to do that but if you have a variable that could somehow evaluate to random(0,0) then it'll just stop yr whole sketch
I made an example
Code:void setup()
{
size(100,100);
}
void loop()
{
ellipseMode(CENTER_DIAMETER);
ellipse(mouseX+(mousePressed ? random(5,5) : 0),mouseY,20,20);
} |
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| « Last Edit: Apr 30th, 2004, 12:09am by skloopy » |
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fry
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Re: 69 random(n,n) bug
« Reply #1 on: Apr 30th, 2004, 4:14am » |
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ha, nice one.
it's stuck in an infinite loop because of the fix to another bug--where it's not allowed to include the second param as the result.
it's random [5, 5), so it keeps trying to grab random numbers until it finds one that's not a 5. 
it's a simple fix, it should just throw an error instead.
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skloopy
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Re: 69 random(n,n) bug
« Reply #2 on: Apr 30th, 2004, 4:30am » |
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can it maybe just return 5 instead? like if you say random(5,5)?
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fry
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Re: 69 random(n,n) bug
« Reply #3 on: Apr 30th, 2004, 5:34pm » |
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yep. it'll throw an error only in cases of random(6, 4) and that sort of thing.
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fry
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Re: 69 random(n,n) bug
« Reply #4 on: May 2nd, 2004, 7:18pm » |
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okee, all fixed for rev 70.
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