2nd array modifier end cap offset #79498
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Reference: blender/blender#79498
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System Information
Operating system: Linux
Graphics card: NVidia
Blender Version
Broken: 2.83.3, 2.91.0a (
8356012068
, built 2020-08-03)Worked:
Short description of error
2 array modifiers:
1st array modifier for span of elements between fence-posts, + start cap (one fence-post per span)
2nd array modifier for multiple spans, + end cap (last extra fence-post)
problem: last end cap is offset by +1 unit.
Exact steps for others to reproduce the error
see attached file test014_arrayCaps.blend
Added subscriber: @shannonz-1
Added subscriber: @Raimund58
"Linux" and "NVidia" are not really sufficient descriptions of your OS/hardware.
Added subscriber: @Pasang
Changed status from 'Needs Triage' to: 'Archived'
There is no bug here. The modifier is working as intended.
test015_arrayCaps.blend
Here's how I did it. There are more ways of doing it.
Check how the origin of the each cap piece has been shifted.
You can also just duplicate the red piece and rotate it to avoid duplicating the cap pieces.
If you have problems just comment.
The red and blue instances are not the same thing rotated, although they should appear to be.
Red: each span has a start_cap, and the whole has an end_cap.
Blue: each span has an end_cap, and the whole has a start_cap.
They behave differently, although why this should be so is a mystery.
In your modified version of test015_arrayCaps.blend:
Modifiers are transform sensitive.
For your case, you must need at least 2 cap pieces.
Behind the scene of how star/end cap work.
To snap the start cap to the first copy, you must shift the center of the cap piece, which is what I did in your test file. It gets more confusing with start cap in one array and end cap in another array modifier.
These options would improve the behavior of Array Start/End cap experience:
As you can see, there is no bug in the code. You can you https://blender.community/c/rightclickselect/ to create