Get three solutions for curve-line intersections to avoid issue with high inclination intersectors

packages/math/src/curve.ts

@@ -157,22 +157,13 @@ export function curveIntersectLineSegment<
     return bezierEquation(c, t);
   };
 
-  let solution = calculate(initial_guesses[0]);
-  if (solution) {
-    return [solution];
-  }
-
-  solution = calculate(initial_guesses[1]);
-  if (solution) {
-    return [solution];
-  }
-
-  solution = calculate(initial_guesses[2]);
-  if (solution) {
-    return [solution];
-  }
+  const solutions = [
+    calculate(initial_guesses[0]),
+    calculate(initial_guesses[1]),
+    calculate(initial_guesses[2]),
+  ].filter((x, i, a): x is Point => x !== null && a.indexOf(x) === i);
 
-  return [];
+  return solutions;
 }
 
 /**

packages/math/src/point.ts

@@ -91,9 +91,10 @@ export function isPoint(p: unknown): p is LocalPoint | GlobalPoint {
 export function pointsEqual<Point extends GlobalPoint | LocalPoint>(
   a: Point,
   b: Point,
+  precision: number = PRECISION,
 ): boolean {
   const abs = Math.abs;
-  return abs(a[0] - b[0]) < PRECISION && abs(a[1] - b[1]) < PRECISION;
+  return abs(a[0] - b[0]) < precision && abs(a[1] - b[1]) < precision;
 }
 
 /**

packages/math/src/utils.ts

@@ -6,7 +6,7 @@ export const clamp = (value: number, min: number, max: number) => {
 
 export const round = (
   value: number,
-  precision: number,
+  precision: number = (Math.log(1 / PRECISION) * Math.LOG10E + 1) | 0,
   func: "round" | "floor" | "ceil" = "round",
 ) => {
   const multiplier = Math.pow(10, precision);