Trying to use hump.tween to tween arrays... without success.

[nibylev]

Hi,
does anyone know if thats possible to tween arrays?
I have an obejct "a" of class Foo. I set some table in it:

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a.table = {1, 2, 3}

then I try to tween it:

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  fg.timer:tween(1,a, {table[1] =3)

but I get an error. Also tweenging the wole table does not work:

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[code]  fg.timer:tween(1,a, {table = {3, 3, 3})

[/code]
Please help!

[s-ol]

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fg.timer:tween(1,a, {table[1] = 3})

would mean "tween the key table[1] (which is nil) to a value of 3", so nothing happens. You want:

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fg.timer:tween(1,a.table, {[1] = 3})

or if you want to keep the "nested" table tween:

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fg.timer:tween(1,a, { table = {3} })

[nibylev]

Thanks, although I don't get one thing: the value a.table[1] is not nil, so I would expect my code to work. How do you mean that value is nil?

[s-ol]

Thanks, although I don't get one thing: the value a.table[1] is not nil, so I would expect my code to work. How do you mean that value is nil?

a.table[1] is not nil, but table[1] is.

[s-ol]

Thanks, although I don't get one thing: the value a.table[1] is not nil, so I would expect my code to work. How do you mean that value is nil?

a.table[1] is not nil, but table[1] is nil (table is a global variable that contains helper functions, but not the key 1)

[nibylev]

So what is the syntax of timer:tween? The documentation suggests that the code

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fg.timer:tween(time, object, {param = value})

tweens object.param from current value to value specified in {}. What is that thing I am missing?

[s-ol]

So what is the syntax of timer:tween? The documentation suggests that the code

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fg.timer:tween(time, object, {param = value})

tweens object.param from current value to value specified in {}. What is that thing I am missing?

you cannot have a key like "subvalue[value]" or "key.key". The third argument is just a lua table itself. To access a nested property you have to give it a nested "target table", as seen in the documentation aswell.

for example consider a setup like this:

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tweenme = {}
tweenme.table = {a=3}
tweenme["table.a"] = 3

fg.timer:tween(1, tweenme, {table = {a=2}}) -- will tween the first value
fg.timer:tween(1, tweenme, {["table.a"] = 2}) -- will tween the second value

[nibylev]

Thanks for replies, I understood some.
I will be investigating this from side of lua syntax later. This is completely new language for me.