fix(routes): fix lookahead heading calculation in Compose RoutesActivity to enable precise vehicle turning

dkhawk · dkhawk · commit befafd3a6fd9 · 2026-05-22T13:03:32.000-06:00
diff --git a/Maps3DSamples/ComposeDemos/app/src/main/java/com/example/composedemos/routes/RoutesActivity.kt b/Maps3DSamples/ComposeDemos/app/src/main/java/com/example/composedemos/routes/RoutesActivity.kt
@@ -270,7 +270,7 @@ fun RouteSampleScreen(viewModel: RouteViewModel) {
 
     // 2. The Engine Flow
     val trackingFlow = remember(routeFlow) {
-        RouteEngine.getRouteTrackingFlow(routeFlow, progressFlow, 1000.0)
+        RouteEngine.getRouteTrackingFlow(routeFlow, progressFlow, 30.0)
     }
 
     // 3. Collect the output state

Original file line number	Diff line number	Diff line change
`@@ -270,7 +270,7 @@ fun RouteSampleScreen(viewModel: RouteViewModel) {`
`270`	`270`
`271`	`271`	`// 2. The Engine Flow`
`272`	`272`	`val trackingFlow = remember(routeFlow) {`
`273`		`- RouteEngine.getRouteTrackingFlow(routeFlow, progressFlow, 1000.0)`
	`273`	`+ RouteEngine.getRouteTrackingFlow(routeFlow, progressFlow, 30.0)`
`274`	`274`	`}`
`275`	`275`
`276`	`276`	`// 3. Collect the output state`