clean the code

ShanMa1991 · ShanMa1991 · commit c9423be194d2 · 2021-03-30T16:25:41.000-07:00
diff --git a/Sources/MapboxNavigation/NavigationMapView+VanishingRouteLine.swift b/Sources/MapboxNavigation/NavigationMapView+VanishingRouteLine.swift
@@ -206,7 +206,7 @@ extension NavigationMapView {
                 return
             }
             let newFractionTraveled = self.preFractionTraveled + traveledDifference * timePassedInMilliseconds.truncatingRemainder(dividingBy: 1000) / 1000
-            guard let mainRouteLayerGradient = self.routeLineGradient(routeProgress.route, fractionTraveled: newFractionTraveled, isMain: true) else { return }
+            guard let mainRouteLayerGradient = self.routeLineGradient(routeProgress.route, fractionTraveled: newFractionTraveled) else { return }
             let mainRouteCasingLayerGradient = self.routeCasingGradient(newFractionTraveled)
             
             guard var mainRouteLineLayer = try? self.mapView.style.getLayer(with: mainRouteLayerIdentifier, type: LineLayer.self).get(),

Original file line number	Diff line number	Diff line change
`@@ -206,7 +206,7 @@ extension NavigationMapView {`
`206`	`206`	`return`
`207`	`207`	`}`
`208`	`208`	`let newFractionTraveled = self.preFractionTraveled + traveledDifference * timePassedInMilliseconds.truncatingRemainder(dividingBy: 1000) / 1000`
`209`		`- guard let mainRouteLayerGradient = self.routeLineGradient(routeProgress.route, fractionTraveled: newFractionTraveled, isMain: true) else { return }`
	`209`	`+ guard let mainRouteLayerGradient = self.routeLineGradient(routeProgress.route, fractionTraveled: newFractionTraveled) else { return }`
`210`	`210`	`let mainRouteCasingLayerGradient = self.routeCasingGradient(newFractionTraveled)`
`211`	`211`
`212`	`212`	`guard var mainRouteLineLayer = try? self.mapView.style.getLayer(with: mainRouteLayerIdentifier, type: LineLayer.self).get(),`