/// <summary>
/// a function Generating automatically a Grid of Images Child of the Canvas where this script is put
/// it will also change the layer to 8 so that we'll detect the fact that this image is what we want to interact with
/// </summary>
private void GenerateGrid()
{
GameObject imageSpawn = Instantiate(ImageTemplate);
GetInformationFromCanvas getInfoFromCanvas = null;
int row = 0;
int column = 0;
foreach (VideoInformation videoInfo in SceneLoader.OutputScript.ClipGroups)
{
if (count < rows * columns)
{
GameObject tile = Instantiate(imageSpawn, transform);
getInfoFromCanvas = tile.transform.GetComponent <GetInformationFromCanvas>();
float posX = -rectTransformCanvas.rect.width / 2 + RectTemplate.rect.width / 2 + column * (RectTemplate.rect.width + tileSize);
float posY = -rectTransformCanvas.rect.height / 2 + RectTemplate.rect.height / 2 + row * (RectTemplate.rect.height + tileSize);
tile.transform.localPosition = new Vector3(posX, posY, 0);
tile.layer = 8;
column++;
if (column == columns)
{
column -= columns;
row++;
}
StartCoroutine(DownloadImage(videoInfo.ThumbnailUrl, getInfoFromCanvas));
//tile.transform.GetChild(0).GetComponent<Text>().text = videoInfo.Title;
getInfoFromCanvas.SetText(videoInfo.Title);
}
count++;
}
Destroy(imageSpawn);
}
/// <summary>
/// This coroutine will download the image from the url provided and replace the sprite of the image
/// using the GetRectTransform() method to get the rectTransform of the image and resizing it
/// and changing it's sprite, using the SetSprite() method,
/// by the downloaded image (adapted into a sprite)
/// </summary>
/// <param name="url"></param>
/// <param name="image"></param>
/// <returns></returns>
IEnumerator DownloadImage(string url, GetInformationFromCanvas image)
{
UnityWebRequest request = UnityWebRequestTexture.GetTexture(url);
yield return(request.SendWebRequest());
if (request.isNetworkError || request.isHttpError)
{
Debug.Log(request.error);
}
else
{
reziseCanvas(image.GetRectTransform(), DownloadHandlerTexture.GetContent(request).width, DownloadHandlerTexture.GetContent(request).height);
image.SetSprite(Sprite.Create(
DownloadHandlerTexture.GetContent(request),
new Rect(0.0f, 0.0f, DownloadHandlerTexture.GetContent(request).width, DownloadHandlerTexture.GetContent(request).height),
new Vector2(0.5f, 0.5f)));
}
}
