/// <summary>
/// Updates focus values bassed on whether we are increasing
/// texture num in focus or decreasing it
/// </summary>
/// <param name="increase"></param>
private void UpdateFocus(bool increase)
{
Vector3 offset = new Vector3((back.sizeDelta.x * 0.5f) + carImageOne.rect.width, 0);
List <Sprite> carSprites = InRoomManager.Instance.GetSelectableCarSprites();
if (increase)
{
//update texture number in focus (increasing it)
bool outOfbounds = TextureNumInFocus == carSprites.Count;
TextureNumInFocus = outOfbounds ? 1 : TextureNumInFocus + 1;
//set position of car out of focus to the right of back
carOutOfFocus.transform.position = back.position - offset;
}
else
{
//update texture number in focus (decreasing it)
bool outOfbounds = TextureNumInFocus == 1;
TextureNumInFocus = outOfbounds ? carSprites.Count : TextureNumInFocus - 1;
//set position of car out of focus to the right of back
carOutOfFocus.transform.position = back.position + offset;
}
//set new car sprite based on texture num in focus
Image image = carOutOfFocus.GetComponent <Image>();
image.sprite = carSprites[TextureNumInFocus - 1];
carName.text = carNames[TextureNumInFocus - 1];
if (!CarTextureColors.ContainsKey(TextureNumInFocus))
{
//if the texture colors dictionary doesn't contain the colors, add it
CarTextureColors.Add(TextureNumInFocus, ((Texture2D)image.mainTexture).GetPixels());
}
UpdateImageInVisability(carOutOfFocus, carOutOfFocus.GetComponent <RectTransform>().rect);
}
/// <summary>
/// Adds given texture to the dictionary, using its last
/// character as digit as key
/// </summary>
/// <param name="tex"></param>
private void AddTextureToDictionary(Texture2D tex)
{
int num = int.Parse(tex.name.Substring(tex.name.Length - 1));
CarTextureColors.Add(num, tex.GetPixels());
}