# I have a bit of a problem with a collision check loop

**URL:** <https://discourse.processing.org/t/i-have-a-bit-of-a-problem-with-a-collision-check-loop/34390>\
**Category:** Coding Questions\
**Created:** [December 31, 2021, 12:47am UTC](https://discourse.processing.org/t/i-have-a-bit-of-a-problem-with-a-collision-check-loop/34390 "2021-12-31T00:47:12Z")\
**Posts on this page:** 5\
**Page:** 2

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**Author:** ![Chrisir](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.processing.org/chrisir/32/45_2.png) [@Chrisir](https://discourse.processing.org/u/Chrisir)\
**Post date:** [January 1, 2022, 10:50pm UTC](https://discourse.processing.org/t/i-have-a-bit-of-a-problem-with-a-collision-check-loop/34390/21 "2022-01-01T22:50:57Z")

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you don’t have to use it

you were doing fine with the 3 global parallel arrays

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**Author:** ![NigelWoollard](https://avatars.discourse-cdn.com/v4/letter/n/34f0e0/32.png) [@NigelWoollard](https://discourse.processing.org/u/NigelWoollard)\
**Post date:** [January 2, 2022, 12:22am UTC](https://discourse.processing.org/t/i-have-a-bit-of-a-problem-with-a-collision-check-loop/34390/22 "2022-01-02T00:22:38Z")

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Cheers, so you don’t think there is any technical difference between the two then ?

I used the “z” “x” “c” “,” “.” “/” key configuration  
up back down left forward right  
-Y +Z +Y -X -Z +X

as it enables 6 direction movement in a 3D matrix without any finger shift to other keys , I am find it quite comfortable the more I get used to it ! I don’t want to use mouse XY for the plotter as the keys enable a one axis change from the last point usefull for drawing out square bases etc without eye checking an on screen coordinate readout… I originally developed the config with 3D flight in mind. Thanks Chris.

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**Author:** ![Chrisir](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.processing.org/chrisir/32/45_2.png) [@Chrisir](https://discourse.processing.org/u/Chrisir)\
**Post date:** [January 3, 2022, 2:36pm UTC](https://discourse.processing.org/t/i-have-a-bit-of-a-problem-with-a-collision-check-loop/34390/23 "2022-01-03T14:36:22Z")

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> [@NigelWoollard](#):
>
> so you don’t think there is any technical difference between the two then ?

No there is no difference.

But people from games are used to wasd

Never mind

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**Author:** ![Chrisir](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.processing.org/chrisir/32/45_2.png) [@Chrisir](https://discourse.processing.org/u/Chrisir)\
**Post date:** [January 3, 2022, 3:05pm UTC](https://discourse.processing.org/t/i-have-a-bit-of-a-problem-with-a-collision-check-loop/34390/24 "2022-01-03T15:05:01Z")

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> [@NigelWoollard](#):
>
> I don’t want to use mouse XY for the plotter as the keys enable a one axis change from the last point usefull for drawing out square bases etc

Yeah. Understood.

Also possible with mouse: eg key 1 mode where only mouse x is used, key 2 for y, key 3 for z

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**Author:** ![NigelWoollard](https://avatars.discourse-cdn.com/v4/letter/n/34f0e0/32.png) [@NigelWoollard](https://discourse.processing.org/u/NigelWoollard)\
**Post date:** [January 8, 2022, 6:46pm UTC](https://discourse.processing.org/t/i-have-a-bit-of-a-problem-with-a-collision-check-loop/34390/25 "2022-01-08T18:46:04Z")

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Cheers Chrisir , very helpfull.

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