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Le 15/08/2019 à 12:15, Bald Eagle a écrit :
>
> Le_Forgeron <jgr### [at] free fr> wrote:
>
>> You will never find it, it's too obvious.
>>
>> The segment is 1 unit long.
>
> That looks OK in the x direction, but in z, it's all off kilter.
> I tried to puzzle it out yesterday, even looking at patterns.cpp, and doing an
> overlay grid exactly like you have here, and couldn't get it to line up.
>
>
on the z, it's an hexagon whose center is at 0. so there is an offset of
sqrt(3)/2 (0.866, sinus 60 degree) to find the next horizontal.
the width on z is 1.732 (sqrt(3)), but 2 on x for a single hexagon.
On the paving block, the x length is 3, but remains at sqrt(3) on z.
(a paving block is a block you can repeat to pave a plane)
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