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soroban-abacus-flashcards
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fix: arrow direction - go RIGHT to borrowed 10s box, not left 

The borrowed 10s box is visually to the RIGHT (ones place is right of tens).
Changed anchor from 'top + right' to 'top + left' with dx offset to position
at the right edge of borrow box, then curve goes right and down to the
borrowed 10s box.
This commit is contained in:
Thomas Hallock 2025-11-08 06:41:37 -06:00
parent 9b4eb14aaa
commit fab1fb10b7
1 changed files with 16 additions and 14 deletions
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30
apps/web/src/app/create/worksheets/addition/typstHelpers.ts
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@ -453,24 +453,25 @@ export function generateSubtractionProblemStackFunction(
#text(size: ${(cellSizePt * 0.25).toFixed(1)}pt, fill: white, stroke: 0.3pt + black, weight: "bold")[1]
]
)
// Draw curved arrow from top-right of borrow box to top of borrowed 10s box
// Draw curved arrow from top-right of borrow box to top of borrowed 10s box (one cell to the RIGHT visually)
#place(
top + right,
top + left,
dx: ${cellSizeIn},
path(
stroke: (paint: white, thickness: 1pt),
// Start at top-right corner of borrow box
// Start at top-right corner of borrow box (0,0 since we're already positioned there)
(0pt, 0pt),
// Bezier curve - convex on upper right
// Control point above and to the right
(${(cellSize * 0.3).toFixed(2)}in, ${(cellSize * 0.2).toFixed(2)}in),
// End at top-center of borrowed 10s box (one cell right, one cell down)
(${(cellSize * 1.0 + cellSize * 0.225).toFixed(2)}in, ${cellSizeIn}),
// End at top-left of borrowed 10s box (one cell right visually, one cell down)
(${cellSizeIn}, ${cellSizeIn}),
)
)
// Arrowhead at the end
#place(
top + right,
dx: ${(cellSize * 1.0 + cellSize * 0.225).toFixed(2)}in,
top + left,
dx: ${(cellSize * 2.0).toFixed(2)}in,
dy: ${(cellSize * 0.95).toFixed(2)}in,
text(size: ${(cellSizePt * 0.4).toFixed(1)}pt, fill: white, weight: "bold")[▼]
)
@ -485,24 +486,25 @@ export function generateSubtractionProblemStackFunction(
#text(size: ${(cellSizePt * 0.25).toFixed(1)}pt, fill: gray.darken(30%), weight: "bold")[1]
]
)
// Draw curved arrow from top-right of borrow box to top of borrowed 10s box
// Draw curved arrow from top-right of borrow box to top of borrowed 10s box (one cell to the RIGHT visually)
#place(
top + right,
top + left,
dx: ${cellSizeIn},
path(
stroke: (paint: gray.darken(30%), thickness: 1pt),
// Start at top-right corner of borrow box
// Start at top-right corner of borrow box (0,0 since we're already positioned there)
(0pt, 0pt),
// Bezier curve - convex on upper right
// Control point above and to the right
(${(cellSize * 0.3).toFixed(2)}in, ${(cellSize * 0.2).toFixed(2)}in),
// End at top-center of borrowed 10s box (one cell right, one cell down)
(${(cellSize * 1.0 + cellSize * 0.225).toFixed(2)}in, ${cellSizeIn}),
// End at top-left of borrowed 10s box (one cell right visually, one cell down)
(${cellSizeIn}, ${cellSizeIn}),
)
)
// Arrowhead at the end
#place(
top + right,
dx: ${(cellSize * 1.0 + cellSize * 0.225).toFixed(2)}in,
top + left,
dx: ${(cellSize * 2.0).toFixed(2)}in,
dy: ${(cellSize * 0.95).toFixed(2)}in,
text(size: ${(cellSizePt * 0.4).toFixed(1)}pt, fill: gray.darken(30%), weight: "bold")[▼]
)