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-rw-r--r--apps/web/src/lib/masks/utils.ts128
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;
+}