On 12-02-15 05:16 AM, Le_Forgeron wrote:
> Le 15/02/2012 10:15, Thomas de Groot a écrit :

>> That last #if is not correct. (...) and #end are missing...
>
>
> While we are at it, #local would be safer than #declare.
>

I copied the macro out of the file I used to test it, not the version I 
saved.  In other words, the slightly erroneous one.  Yes, the last #if 
is superfluous and should be deleted.  In the version I saved, all the 
#declare had been changed to #local.  They were made #declare in the 
testing version in order to be able to read those variables outside the 
macro, for debugging purposes.

The output is a vector, to be used with rotate, that will align the 
object about the origin so that its y axis will now point towards 
tvector.  Jumps will occur when tvector.y = 0 and tvector.x crosses 0.

And yes, an input vector of 0 will break the macro.

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