Function getCachedFrustumBitmap

src/hooks/frustumTextureCache.ts:42–52

(
  bitmapCache: FrustumBitmapCache,
  imageName: string,
  now = Date.now
)

}

export function getCachedFrustumBitmap(
  bitmapCache: FrustumBitmapCache,
  imageName: string,
  now = Date.now
): ImageBitmap | null {
  const cached = bitmapCache.get(imageName);
  if (!cached) return null;

  cached.lastUsed = now();
  return cached.bitmap;
}

export async function getOrLoadFrustumBitmap(
  url: string,