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Merge pull request #1776 from sanyamsingh001/fix/hextile-centerline-symmetry

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Fix HexTile centerline cell selection
This commit is contained in:
BFlat
2026-10-30 00:06:21 +07:00
committed by GitHub
parent 5ed0a3f9b1 9bcf2e2dfd
commit 966fdd3c0a
2 changed files with 4 additions and 2 deletions
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crates/effects/src/stylize3.rs
+1 -1
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@@ -351,7 +351,7 @@ fn hex_cell(x: f64, y: f64, r: f64) -> ((f64, f64), (i64, i64)) {
let rr = (2.0 / 3.0 * y) / r;
// Cube rounding.
let (cx, cz) = (q, rr);
let cy = -cx - cz;
let cy = (-3f64.sqrt() / 3.0 * x - y / 3.0) / r;
let (mut rx, ry, mut rz) = (cx.round(), cy.round(), cz.round());
let (dx, dy, dz) = ((rx - cx).abs(), (ry - cy).abs(), (rz - cz).abs());
if dx > dy && dx > dz {
crates/gpu/src/shaders/fx_pixel2.wgsl
+3 -1
View File
@@ -647,7 +647,9 @@ fn fp2_hextile(@builtin(global_invocation_id) gid: vec3<u32>) {
// stylize3::hex_cell (cube rounding).
let q = (0.5773502691896257 * u - v / 3.0) / r;
let rr = (2.0 / 3.0 * v) / r;
let ccy = -q - rr;
// Evaluate the third cube coordinate symmetrically with q so the centerline
// tie is not broken by subtracting separately rounded coordinates.
let ccy = (-0.5773502691896257 * u - v / 3.0) / r;
var rx = round_away(q);
let ry = round_away(ccy);
var rz = round_away(rr);