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PCB topology routing
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Mikolaj Wielgus a2531b078d graph,primitive: Split the 3 primitives into 7 
`Dot` becomes `FixedDot` and `LooseDot`.
`Seg` becomes `FixedSeg`, `HalfLooseSeg`, and `FullyLooseSeg`.
`Bend` becomes `FixedBend` and `LooseBend`.

The fixed variants differ from the loose variants by being unchangeable
for the router (though probably will be pushable in some cases, but
that's for later). So typically tey're going to be the initial
conditions.

For now only the fixed variants are used even if actually loose, to
split this change into several commits.
 		2023-10-22 02:05:22 +00:00
assets Add "upwrapping bends" animation to the readme 2023-08-03 02:28:29 +02:00
src graph,primitive: Split the 3 primitives into 7 2023-10-22 02:05:22 +00:00
vendor/contracts contracts: Visit nested expressions 2023-09-20 00:34:48 +02:00
.gitignore Initial commit 2023-07-12 01:01:25 +02:00
Cargo.toml draw: Use `enum_dispatch` to dynamically dispatch `Head` 2023-09-17 16:54:23 +02:00
LICENSE Initial commit 2023-07-12 01:01:25 +02:00
README.md Add "upwrapping bends" animation to the readme 2023-08-03 02:28:29 +02:00

README.md

Topola

Topological router in Rust.

Gallery

Animation. There are two upward barriers, with some space between tem, around which four rubberband traces, one over another, are wrapped. Enter mouse cursor. The cursor begins to stretch the left barrier to the right. As it's stretched, the traces cease to be wrapped around the right barrier, becoming "free". The traces and the barrier are two-dimensional and all solid red. The background is black but also very slightly white and blue.

This animation shows four traces wrapped around a vertical barrier like rubberbands. Computercursor appears and starts dragging the barrier's top end left and right, up and down, elasticallystretching the barrier and having the traces continue being wrapped on the barrier regardless ofits position. The traces and the barrier are all solid red. The background is black but also veryslightly white and blue.

Animation. There is an upward barrier in the middle and dots on the left and right of it, four each. A trace is drawn from the leftmost dot on the left to the rightmost dot on the right. Then a trace is drawn from the second leftmost dot on the left to the second rightmost dot on the right, displacing the previous trace so that there's space for the new one. Same happens for the remaining dots. The dots, traces and barrier are all solid red. The background is black but also very slightly white and blue.

Three red-colored traces pass around a barrier. Trace bends are not aligned to a grid unlike most PCB layouts these days (this is called "topological routing"). The traces and the barrier are all solid red. The background is black but also veryslightly white and blue.

A trace zigzagging around two barriers. The trace and the barriers are all solid red. The background is black but also very slightly white and blue.