Line2 dash scale problem on perspective camera

[eXponenta]

Description

Dash scale will change when line out of camera's near plane.

This is because shader trim vertices position, but keep line Distance same.

three.js/examples/jsm/lines/LineMaterial.js

Line 127 in beab9e8

if ( perspective ) {

Possible solution:
We should trim line distance too ( see sample ):

Reproduction steps

1. Build Line2 with long segment that will has one of point out of camera near space ( -100, 100 by Z for example )
2. Enable dash in LineMaterial
3. Fly around line

Code

///

Live example

https://codesandbox.io/p/sandbox/rn458y

Video:
https://drive.google.com/file/d/1znYC56d1LTgS-0T9wuHUw3rRETozCyNX/view?usp=drive_link

note: green is fixed material instance, purple is original.

Screenshots

Version

any

Device

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OS

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