[chuck-users] assigning a Blit array (George Locke)

Nick Hwang nhwang1 at tigers.lsu.edu
Mon Feb 3 12:50:12 EST 2014


RE: expanding array sizes and null references.

I hope this helps...

//start out with an generic UGen array (named myArray) with size 2

UGen myArray[2];

<<< myArray.size() >>>;



//change size of myArray to 3, using interger object

3 => int newSize;

myArray.size(newSize);

<<< myArray.size(newSize) >>>;


//Since (I believe) expanded arrays do not actually have the classed object
in the new index, you have put a "new" reference in.

for (0 => int i; i < newSize; i++) {

    new UGen @=> myArray[i];

    SinOsc s;

    s => myArray[i];

}


// This works as long as you have a uniform array of primitive UGens, as
you are declaring NEW versions of that UGen (also filling in the new NULL
array referneces).

// This may be troublesome, as you would have to re-update previous the
UGen parameters, since they replaced with NEW ones.



Nick Hwang


On Mon, Feb 3, 2014 at 11:18 AM, George Locke <george.locke.maxmsp at gmail.com
> wrote:

> no dice.
>
> 1 => int choosePulse;
>
> BlitSquare pls[10];
> BlitSaw saw[10];
> BLT osc[10];
> if (choosePulse) {
> pls @=> osc;
> } else {
> saw @=> osc;
> }
>
> produces a compile error at the "pls @=> osc" line:
>
> [untitled]:line(7): cannot assign '@=>' on types 'BlitSquare[]' @=>
> 'BLT[]'...
>
> [untitled]:line(7): ...(reason: --- incompatible types for assignment)
>
>
> Perry's workaround is good enough, though.
>
>
>  - George
>
>
> On Sun, Feb 2, 2014 at 10:37 PM, Zacko Belsch <zackobelsch at gmail.com>wrote:
>
>> I'm not sure whether the following is relevant or not.
>>
>> Looking at the chuck source code (in ugen_stk.h), it appears the common
>> superclass of BlitSaw and BlitSquare is BLT, not Blit.  Would what you
>> tried work if you used BLT for your common array instead of Blit?
>>
>> Bob H
>>
>>
>>
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