Magical gene / lines and strokes
Webbed
A polygonal net of veins over the barrel and neck - the venation of a tiger-moth wing, and nothing else. A third allele carries the same marking worked in greys instead of white - dark where the pale form is light, and the same number of steps.
What it can come out as
| Outcome | Carrying |
|---|---|
| Webbed | Web/Web · Web/Wec · Web/n · Web/Wek |
| Webbed, black | Wek/Wek · Wek/Wec · Wek/n |
| Webbed, coloured | Wec/Wec |
| Wild type | Wec/n · n/n |
How each one is actually drawn - region by region, and the layers it is built from - is on the coding tab.
Crossing two of them
Finding one
About 1 in 893 wild horses is born showing this. That is the whole of the supply: catch one, or make one with the carrot below. Breeds set their own pools and a breed built around this gene will carry it far more often than the wild population does.
| Wild pair | Shows as | How often |
|---|---|---|
Web/Web | Webbed | 0.004% — 1 in 25,000 |
Web/Wek | Webbed | 0.0053% — 1 in 18,751 |
Web/Wec | Webbed | 0.0053% — 1 in 18,751 |
Web/n | Webbed | 0.076% — 1 in 1,316 |
Wek/Wek | Webbed, black | 0.0053% — 1 in 18,751 |
Wek/Wec | Webbed, black | 0.0053% — 1 in 18,751 |
Wek/n | Webbed, black | 0.0053% — 1 in 18,751 |
Wec/Wec | Webbed, coloured | 0.0053% — 1 in 18,751 |
n/n | Wild type | 99.888% |
Its gene carrot
The file
common/src/main/resources/horsegenetics/genes/webbed.json — a
data-driven gene, not a Java class. It is listed in the
index.json beside it and registered by Genes' class
initialiser at startup.
| Key | horsegenetics.webbed |
|---|---|
| Phase | magical — it adds signed colour in phase 3, after the pigment has resolved |
| Priority | 381 — where it sits in the one (priority, key) paint order |
| Alleles | Web · Wek · Wec · n |
| Varies per horse | 4 values drawn once off the expressing allele copy, so a foal that inherits the copy inherits the look |
| Built from | CRACKLE, TOWARD |
Why it is built this way
Imported from the magic-gene intake, 2026-09-08. One crackle field drawn as its channels. It is the simplest gene in this batch and the clearest demonstration of what CRACKLE is for: a tiling of polygons with a genuinely hard edge, which nothing else in the vocabulary gives.
The black allele is the white one with the light taken out of it, and it sits one rung under white in the dominance series - so every combination that existed before it keeps the outcome it had, and only the pairs carrying Wek are new. The re-toning is a mapping rather than a repaint: every achromatic target moves into the dark end of the scale keeping its order and its spacing, and every SATURATED one is left alone, because that colour is the gene rather than its lightness.
What it paints
Each outcome, described the way the gene file describes it, and then the layers that draw it in the order they are painted. The prose is the part a reader checks a bake against; the list underneath is what the engine actually did.
Webbed
One crackle field, drawn as its channels rather than its cells. It is the simplest gene in this family and the one that shows most clearly what CRACKLE is for: a tiling of polygons with a genuinely hard edge, which nothing else in the vocabulary can give.
- the venation net over the barrel and neck —
CRACKLE inverted, painted withTOWARD
Webbed, black
The same marking as the white form with the light taken out of it: a single near-black tone.
- the venation net over the barrel and neck —
CRACKLE inverted, painted withTOWARD
Webbed, coloured
The same net in a colour the line carries. Fully recessive.
- the venation net over the barrel and neck —
CRACKLE inverted, painted withTOWARD
Wild type
No web.
Paints nothing.