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Merge pull request #1046 from storytold/fix/1008-polar-zero-radial 

#1008: a polar grid with no radial dividers draws none
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BFlat 2026-10-11 04:08:11 +07:00 committed by GitHub
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2 changed files with 8 additions and 3 deletions
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2
ROADMAP.md
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@ -123,7 +123,7 @@ Ranked; detail in [docs/roadmap.md](docs/roadmap.md) and [docs/gaps.md](docs/gap
| Date | What landed |
|---|---|
| 2026-10-11 | Effect › Brush Strokes: Accented Edges, Angled Strokes, Crosshatch, Dark Strokes, Ink Outlines, Spatter, Sprayed Strokes, Sumi-e (G2). Command parameters from agents and files checked before anything changes (paint, place, cuts, dashes, crop, asset ids, anchors, paths, distort; #984–#999); command dialogs keep whole numbers whole, so Create Object Mosaic takes the tiles typed (#1000); stepper arrows take Shift (×10) and Ctrl/Cmd (÷10) like the arrow keys (#991). Exports and Rasterize supersample Art Optimized edges, so shapes meeting edge to edge leave no seam (#983). Character and paragraph styles take leading, kerning, mojikumi and the other attributes left out at their defaults (#1001). Drawing, typing and pasting with no layer shown and unlocked is refused instead of adding art to a hidden or locked layer (#1002). MCP `add_text` gives type on or in a path the colour asked for (#1003). MCP `screenshot` of a connected app renders the artboard asked for (#1004). `vectorcraft-cli run` ends quietly when its reader closes early (#1005). Select › All on Active Artboard selects on the artboard made active, not always the first (#1006). Reverse Gradient keeps off-centre midpoints, mirrored (#1007). |
| 2026-10-11 | Effect › Brush Strokes: Accented Edges, Angled Strokes, Crosshatch, Dark Strokes, Ink Outlines, Spatter, Sprayed Strokes, Sumi-e (G2). Command parameters from agents and files checked before anything changes (paint, place, cuts, dashes, crop, asset ids, anchors, paths, distort; #984–#999); command dialogs keep whole numbers whole, so Create Object Mosaic takes the tiles typed (#1000); stepper arrows take Shift (×10) and Ctrl/Cmd (÷10) like the arrow keys (#991). Exports and Rasterize supersample Art Optimized edges, so shapes meeting edge to edge leave no seam (#983). Character and paragraph styles take leading, kerning, mojikumi and the other attributes left out at their defaults (#1001). Drawing, typing and pasting with no layer shown and unlocked is refused instead of adding art to a hidden or locked layer (#1002). MCP `add_text` gives type on or in a path the colour asked for (#1003). MCP `screenshot` of a connected app renders the artboard asked for (#1004). `vectorcraft-cli run` ends quietly when its reader closes early (#1005). Select › All on Active Artboard selects on the artboard made active, not always the first (#1006). Reverse Gradient keeps off-centre midpoints, mirrored (#1007). A polar grid with no radial dividers draws none (#1008). |
| 2026-10-10 | Initial live Revolve (Effect › 3D and Materials, #846, #605), in its own `three-d` crate. Progress docs re-measured and restructured to the craftrules standard (this page, `docs/target-app-parity.md`, `gaps.md`, `ui-parity.md`, the format, hardware, localization, effects and type checklists). Same day: v0.8.0; Effect › Distort, Pixelate and Texture filters (13); German interface; Variables (data merge); Graph Type value axes and tick marks; restart when the first frame never reaches the screen (#964) |
| 2026-10-09 | Radial Blur, Smart Blur, Unsharp Mask (gap 2 begins); 340 commits, the busiest day |
| 2026-10-08 | v0.5.0–v0.7.0; community contributions: Pen and shape-tool modifiers, Layers, Artboards, Japanese composition, Hebrew/Arabic type, interface languages, saved selections |

9
crates/geom/src/shapes.rs
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@ -235,8 +235,9 @@ pub fn polar_grid(r: Rect, concentric: u32, radial: u32) -> Vec<PathData> {
let f = i as f64 / (concentric + 1) as f64;
out.push(ellipse(Rect::from_center_size(c, (r.width() * f, r.height() * f))));
}
for i in 0..radial.max(1) {
let a = -PI / 2.0 + TAU * i as f64 / radial.max(1) as f64;
// No dividers at 0 (the loop never divides by it).
for i in 0..radial {
let a = -PI / 2.0 + TAU * i as f64 / radial as f64;
out.push(line(c, Point::new(c.x + r.width() / 2.0 * a.cos(), c.y + r.height() / 2.0 * a.sin())));
}
out
@ -402,6 +403,10 @@ mod tests {
fn grids() {
assert_eq!(rectangular_grid(Rect::new(0.0, 0.0, 10.0, 10.0), 5, 5, true).len(), 11);
assert_eq!(polar_grid(Rect::new(0.0, 0.0, 10.0, 10.0), 5, 5).len(), 11);
// #1008: no radial dividers is none, only the outer ellipse without concentric ones.
for (radial, len) in [(0, 1), (1, 2), (2, 3)] {
assert_eq!(polar_grid(Rect::new(0.0, 0.0, 10.0, 10.0), 0, radial).len(), len, "{radial}");
}
}
#[test]