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| author | Maze Winther <mazewinther@gmail.com> | 2026-03-27 00:55:15 +0100 |
|---|---|---|
| committer | Maze Winther <mazewinther@gmail.com> | 2026-03-29 15:56:48 +0200 |
| commit | 4d127a038bf768eded68aae3cfa5c1b12241bdac (patch) | |
| tree | 16bbb801caf6770546cff4fdb37b6408ec9ead98 /apps/web/src/lib/masks/utils.ts | |
| parent | 82817cb50cb0487350573d6129130aec705f924b (diff) | |
| download | opencut-4d127a038bf768eded68aae3cfa5c1b12241bdac.tar.gz | |
chore: normalize line endings
Diffstat (limited to 'apps/web/src/lib/masks/utils.ts')
| -rw-r--r-- | apps/web/src/lib/masks/utils.ts | 128 |
1 files changed, 64 insertions, 64 deletions
diff --git a/apps/web/src/lib/masks/utils.ts b/apps/web/src/lib/masks/utils.ts index a9110237..b1ac2c39 100644 --- a/apps/web/src/lib/masks/utils.ts +++ b/apps/web/src/lib/masks/utils.ts @@ -1,64 +1,64 @@ -const LINE_PARALLEL_EPSILON = 1e-10; - -export function lineEdgeIntersection({ - lineX, - lineY, - normalX, - normalY, - x1, - y1, - x2, - y2, -}: { - lineX: number; - lineY: number; - normalX: number; - normalY: number; - x1: number; - y1: number; - x2: number; - y2: number; -}): { x: number; y: number } | null { - const distance1 = halfPlaneSign({ - lineX, - lineY, - normalX, - normalY, - x: x1, - y: y1, - }); - const distance2 = halfPlaneSign({ - lineX, - lineY, - normalX, - normalY, - x: x2, - y: y2, - }); - const denom = distance1 - distance2; - if (Math.abs(denom) < LINE_PARALLEL_EPSILON) return null; - const t = distance1 / denom; - if (t < 0 || t > 1) return null; - return { - x: x1 + (x2 - x1) * t, - y: y1 + (y2 - y1) * t, - }; -} - -export function halfPlaneSign({ - lineX, - lineY, - normalX, - normalY, - x, - y, -}: { - lineX: number; - lineY: number; - normalX: number; - normalY: number; - x: number; - y: number; -}): number { - return (x - lineX) * normalX + (y - lineY) * normalY; -} +const LINE_PARALLEL_EPSILON = 1e-10;
+
+export function lineEdgeIntersection({
+ lineX,
+ lineY,
+ normalX,
+ normalY,
+ x1,
+ y1,
+ x2,
+ y2,
+}: {
+ lineX: number;
+ lineY: number;
+ normalX: number;
+ normalY: number;
+ x1: number;
+ y1: number;
+ x2: number;
+ y2: number;
+}): { x: number; y: number } | null {
+ const distance1 = halfPlaneSign({
+ lineX,
+ lineY,
+ normalX,
+ normalY,
+ x: x1,
+ y: y1,
+ });
+ const distance2 = halfPlaneSign({
+ lineX,
+ lineY,
+ normalX,
+ normalY,
+ x: x2,
+ y: y2,
+ });
+ const denom = distance1 - distance2;
+ if (Math.abs(denom) < LINE_PARALLEL_EPSILON) return null;
+ const t = distance1 / denom;
+ if (t < 0 || t > 1) return null;
+ return {
+ x: x1 + (x2 - x1) * t,
+ y: y1 + (y2 - y1) * t,
+ };
+}
+
+export function halfPlaneSign({
+ lineX,
+ lineY,
+ normalX,
+ normalY,
+ x,
+ y,
+}: {
+ lineX: number;
+ lineY: number;
+ normalX: number;
+ normalY: number;
+ x: number;
+ y: number;
+}): number {
+ return (x - lineX) * normalX + (y - lineY) * normalY;
+}
|