added scale factor for arrows. added control point drag to reparameterize. fixed toggling tangent lines to not happen when dragging.

1 files changed, 5 insertions, 2 deletions

diff --git a/src/client/util/bezierFit.ts b/src/client/util/bezierFit.ts
index 784bb2e18..8fc6de6f9 100644
--- a/src/client/util/bezierFit.ts
+++ b/src/client/util/bezierFit.ts
@@ -53,8 +53,11 @@ class SmartRect {
     }
 }
 
-function Normalize(p: Point) {
-    const len = Math.sqrt(p.X * p.X + p.Y * p.Y);
+export function Distance(p: Point) {
+    return Math.sqrt(p.X * p.X + p.Y * p.Y);
+}
+export function Normalize(p: Point) {
+    const len = Distance(p);
     return new Point(p.X / len, p.Y / len);
 }