Fixed ghost track rotation on rear ends

Recalculation on track edit end
Changes rendering of ties to be evenly spaced
Fixes ghost and held track rendering

track/system.ts

@@ -29,6 +29,13 @@ export class TrackSystem {
     }
   }
 
+  recalculateAll() {
+    for (const segment of this.segments.values()) {
+      segment.recalculateRailPoints();
+      segment.length = segment.calculateApproxLength();
+    }
+  }
+
   registerSegment(segment: TrackSegment) {
     segment.setTrack(this);
     this.segments.set(segment.id, segment);
@@ -39,6 +46,9 @@ export class TrackSystem {
       s.backNeighbours = s.backNeighbours.filter((n) => n !== segment);
       s.frontNeighbours = s.frontNeighbours.filter((n) => n !== segment);
     }
+    const ends = this.ends.get(segment);
+    this.ends.delete(segment);
+    this.endArray = this.endArray.filter((e) => !ends?.includes(e));
   }
 
   draw(showControls = false) {
@@ -291,7 +301,7 @@ export class TrackSegment extends PathSegment {
     this.track = t;
   }
 
-  override draw(showControls = false) {
+  override draw(showControls = false, recalculateRailPoints = false) {
     // if (showControls) {
     //   this.doodler.drawBezier(
     //     this.points[0],
@@ -320,15 +330,17 @@ export class TrackSegment extends PathSegment {
       });
     }
 
-    const ties = Math.ceil(this.length / 10);
-    for (let i = 0; i < ties; i++) {
-      const t = i / ties;
-      const p = this.getPointAtT(t);
+    const spacing = Math.ceil(this.length / 10);
+    const points = this.calculateEvenlySpacedPoints(this.length / spacing);
+    for (let i = 0; i < points.length - 1; i++) {
+      // const t = i / ties;
+      // const p = this.getPointAtT(t);
+      const [p, t] = points[i];
       // this.doodler.drawCircle(p, 2, {
       //   color: "red",
       //   weight: 3,
       // });
-      this.doodler.drawRotated(p, this.tangent(t).heading(), () => {
+      this.doodler.drawRotated(p, t, () => {
         this.doodler.line(p, p.copy().add(0, 10), {
           color: "#291b17",
           weight: 4,
@@ -348,6 +360,9 @@ export class TrackSegment extends PathSegment {
       });
     }
 
+    if (recalculateRailPoints) {
+      this.recalculateRailPoints();
+    }
     this.doodler.deferDrawing(
       () => {
         this.doodler.drawLine(this.normalPoints, {