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2025-08-23 10:36:29 +00:00 · 2025-04-22 12:31:42 +02:00 · 2025-04-22 12:31:42 +02:00 · c5c7f76f45
commit c5c7f76f45
parent ce5a882793
1 changed files with 8 additions and 0 deletions
--- a/experiments/2025-03-18/src/geometry/sketch.rs
+++ b/experiments/2025-03-18/src/geometry/sketch.rs
@ -59,6 +59,14 @@ impl Sketch {
                                * radius.sign().to_scalar();

                        let distance_from_midpoint_to_center = {
+                            // We're computing the required distance from a
+                            // right triangle:
+                            // - `a` (leg): `midpoint` to `end`
+                            // - `b` (leg): `midpoint` to circle center (the
+                            //   distance we're looking for)
+                            // - `c` (hypotenuse): `end` to circle center (which
+                            //   is `radius`)
+
                            let d = start_to_end.magnitude() / 2.;
                            let distance_square = radius * radius - d * d;
                            distance_square.sqrt()