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Quarter snap points for diamonds

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Mark Tolmacs 2025-04-14 15:45:13 +02:00
parent 195a743874
commit 6baf9a93c5
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1 changed files with 42 additions and 0 deletions
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42
packages/element/src/binding.ts
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@ -1171,6 +1171,48 @@ export const snapToMid = (
center,
angle,
);
} else if (element.type === "diamond") {
const sqrtFixedDistance = Math.sqrt(FIXED_BINDING_DISTANCE);
const topLeft = pointFrom<GlobalPoint>(
x + width / 4 - sqrtFixedDistance,
y + height / 4 - sqrtFixedDistance,
);
const topRight = pointFrom<GlobalPoint>(
x + (3 * width) / 4 + sqrtFixedDistance,
y + height / 4 - sqrtFixedDistance,
);
const bottomLeft = pointFrom<GlobalPoint>(
x + width / 4 - sqrtFixedDistance,
y + (3 * height) / 4 + sqrtFixedDistance,
);
const bottomRight = pointFrom<GlobalPoint>(
x + (3 * width) / 4 + sqrtFixedDistance,
y + (3 * height) / 4 + sqrtFixedDistance,
);
if (
pointDistance(topLeft, p) <
Math.max(horizontalThrehsold, verticalThrehsold)
) {
return pointRotateRads(topLeft, center, angle);
}
if (
pointDistance(topRight, p) <
Math.max(horizontalThrehsold, verticalThrehsold)
) {
return pointRotateRads(topRight, center, angle);
}
if (
pointDistance(bottomLeft, p) <
Math.max(horizontalThrehsold, verticalThrehsold)
) {
return pointRotateRads(bottomLeft, center, angle);
}
if (
pointDistance(bottomRight, p) <
Math.max(horizontalThrehsold, verticalThrehsold)
) {
return pointRotateRads(bottomRight, center, angle);
}
}
return p;