Edit mode track updates

src/lib/context.ts

@@ -58,7 +58,7 @@ export function getContext() {
   return ctx;
 }
 export function getContextItem<K extends keyof ContextMap>(
-  prop: string,
+  prop: K,
 ): ContextMap[K];
 export function getContextItem<T>(prop: string): T;
 export function getContextItem<T>(prop: string): T {

src/state/states/EditTrackState.ts

@@ -51,7 +51,7 @@ export class EditTrackState extends State<States> {
         p.set(mousePos);
         p.add(relativePoint);
       });
-      segment.recalculateTiePoints();
+      segment.update();
 
       const ends = track.findEnds();
       setContextItem("showEnds", true);
@@ -130,7 +130,7 @@ export class EditTrackState extends State<States> {
             break;
           }
         }
-        this.ghostSegment.recalculateTiePoints();
+        this.ghostSegment.update();
 
         // } else if (closestEnd) {
         //   this.closestEnd = closestEnd;
@@ -245,6 +245,7 @@ export class EditTrackState extends State<States> {
 
     if (translation.x !== 0 || translation.y !== 0) {
       track.translate(translation);
+      track.recalculateAll();
     }
 
     // TODO

src/track/system.ts

@@ -35,7 +35,7 @@ export class TrackSystem {
 
   recalculateAll() {
     for (const segment of this._segments.values()) {
-      segment.recalculateRailPoints();
+      segment.update();
       segment.length = segment.calculateApproxLength();
     }
   }
@@ -290,9 +290,7 @@ export class TrackSegment extends PathSegment {
     super(p);
     this.doodler = getContextItem<Doodler>("doodler");
     this.id = id ?? crypto.randomUUID();
-    this.recalculateRailPoints();
-    this.recalculateTiePoints();
-    this.updateAABB();
+    this.update();
   }
 
   updateAABB() {
@@ -301,7 +299,7 @@ export class TrackSegment extends PathSegment {
     let minY = Infinity;
     let maxY = -Infinity;
 
-    this.points.forEach((p) => {
+    [...this.normalPoints, ...this.antiNormalPoints].forEach((p) => {
       minX = Math.min(minX, p.x);
       maxX = Math.max(maxX, p.x);
       minY = Math.min(minY, p.y);
@@ -349,6 +347,12 @@ export class TrackSegment extends PathSegment {
     this.evenPoints = this.calculateEvenlySpacedPoints(this.length / spacing);
   }
 
+  update() {
+    this.recalculateRailPoints();
+    this.recalculateTiePoints();
+    this.updateAABB();
+  }
+
   setTrack(t: TrackSystem) {
     this.track = t;
   }
@@ -431,13 +435,15 @@ export class TrackSegment extends PathSegment {
     //   color: "red",
     //   weight: 3,
     // });
-
-    this.doodler.drawRect(this.aabb.pos, this.aabb.width, this.aabb.height, {
-      color: "lime",
-    });
-    this.doodler.drawCircle(this.aabb.center, 2, {
-      color: "cyan",
-    });
+    const debug = getContextItem("debug");
+    if (debug.track) {
+      this.doodler.drawRect(this.aabb.pos, this.aabb.width, this.aabb.height, {
+        color: "lime",
+      });
+      this.doodler.drawCircle(this.aabb.center, 2, {
+        color: "cyan",
+      });
+    }
   }
 
   serialize(): SerializedTrackSegment {