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M8.11: Perspective grid widgets: ground-level points move the grid, separate extents, cell size widget, screen-fixed Plane Switching Widget with 1-4 keys

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The Perspective Grid tool's left and right ground-level points move the whole
grid; the left and right extents are separate (extentRight; Alt drags both,
Shift goes by whole cells); a cell size widget sits up the line where the planes
meet; Shift keeps a vanishing point on the horizon and the ground points and
origin on one axis. The Plane Switching Widget stays put in a corner of the
document window (ViewInfo/ToolContext carry the window as a ScreenFrame), takes
its clicks with any tool while the grid shows (the Perspective Selection tool
too while it's hidden), and 1-4 pick the left, horizontal, right and no plane.
Double-clicking the Perspective Grid tool opens Perspective Grid Options
(show the widget, its corner; perspective.widget.options, kept with the
preferences).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
bflatastic
2026-10-06 12:16:39 +07:00
co-authored by Claude Opus 5.5
parent 565b75b91d
commit 0889f13cd8
20 changed files with 771 additions and 69 deletions
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docs/control-protocol.md
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@@ -520,3 +520,9 @@ blend's spine adds a point (on a point no key sits on, deletes it).
Perspective grid view options: View → Perspective Grid lists Show/Hide Grid, Show/Hide Rulers, Snap to Grid
(checked), Lock/Unlock Grid and Lock Station Point (checked); `ui.menu.list` reports the current labels. They run
`perspective.grid.show`, `rulers`, `snap`, `lock` and `lockStation`.
Perspective grid widgets: the Plane Switching Widget is fixed in a corner of the canvas (`ui.pointer` with
`space: "screen"` reaches it at the same pixels whatever the zoom); a press on it with any tool picks the plane while
the grid shows. `ui.key` with `key` `"1"`…`"4"` picks the left, horizontal, right or no plane. Double-clicking the
Perspective Grid tool (`tool.options {tool: "perspectiveGrid"}`) opens `perspectiveGridOptions` (fields `show`,
`position`: `topLeft`, `topRight`, `bottomLeft`, `bottomRight`); `ui.dialog.confirm` runs `perspective.widget.options`.