reszta poprawek

.agents/skills/remotion-best-practices/remotion-maps/techniques/cesium/assets/flight-path.ts

@@ -0,0 +1,35 @@
+export type LngLat = [number, number];
+
+// Chaikin corner cutting turns a sparse route into a continuous curve. Repeated passes round
+// direction changes into deliberate swerves instead of left-right heading bumps.
+export const smoothFlightPath = (source: LngLat[], passes = 3): LngLat[] => {
+	if (source.length < 2)
+		throw new Error('Flyover path needs at least two points');
+
+	// Keep adjacent longitudes continuous for routes that cross the antimeridian.
+	const unwrapped: LngLat[] = [source[0]];
+	for (let index = 1; index < source.length; index++) {
+		const [lng, lat] = source[index];
+		const previous = unwrapped[index - 1][0];
+		let adjusted = lng;
+		while (adjusted - previous > 180) adjusted -= 360;
+		while (adjusted - previous < -180) adjusted += 360;
+		unwrapped.push([adjusted, lat]);
+	}
+
+	let curve = unwrapped;
+	for (let pass = 0; pass < Math.max(0, passes); pass++) {
+		const next: LngLat[] = [curve[0]];
+		for (let i = 0; i < curve.length - 1; i++) {
+			const a = curve[i];
+			const b = curve[i + 1];
+			next.push(
+				[a[0] * 0.75 + b[0] * 0.25, a[1] * 0.75 + b[1] * 0.25],
+				[a[0] * 0.25 + b[0] * 0.75, a[1] * 0.25 + b[1] * 0.75],
+			);
+		}
+		next.push(curve[curve.length - 1]);
+		curve = next;
+	}
+	return curve;
+};