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feat: Precise hit testing (#9488)

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Márk Tolmács
2025-06-07 12:56:32 +02:00
committed by GitHub
parent 56c05b3099
commit ca1a4f25e7
52 changed files with 2223 additions and 2718 deletions
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14
packages/math/src/vector.ts
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@@ -21,13 +21,23 @@ export function vector(
*
* @param p The point to turn into a vector
* @param origin The origin point in a given coordiante system
* @returns The created vector from the point and the origin
* @param threshold The threshold to consider the vector as 'undefined'
* @param defaultValue The default value to return if the vector is 'undefined'
* @returns The created vector from the point and the origin or default
*/
export function vectorFromPoint<Point extends GlobalPoint | LocalPoint>(
p: Point,
origin: Point = [0, 0] as Point,
threshold?: number,
defaultValue: Vector = [0, 1] as Vector,
): Vector {
return vector(p[0] - origin[0], p[1] - origin[1]);
const vec = vector(p[0] - origin[0], p[1] - origin[1]);
if (threshold && vectorMagnitudeSq(vec) < threshold * threshold) {
return defaultValue;
}
return vec;
}
/**