//-----------------------------------------------------------
/// <summary>
/// 各派生クラスでの初期化処理を行う（メニューまたは AddView から生成される場合のみ実行れる）
/// </summary>
/// <param name="tOption"></param>
override protected void OnBuild(string tOption = "")
{
SetAnchorToLeftStretch();
Vector2 tSize = GetCanvasSize();
if (tSize.x > 0 && tSize.y > 0)
{
_w = tSize.x * 0.5f;
}
SetPivot(0, 0);
Image tImage = _image;
tImage.color = new Color32(255, 255, 255, 32);
isCanvasGroup = true;
isEventTrigger = true;
UIAtlasSprite tAtlas = UIAtlasSprite.Create("uGUIHelper/Textures/UISimpleJoystick");
UIImage tFrame = AddView <UIImage>("Frame");
tFrame.SetAnchorToLeftBottom();
tFrame.sprite = tAtlas["UISimpleJoystick_Frame_Type_0"];
tFrame.SetSize(frameWidth, frameWidth);
frame = tFrame;
float thumbWidth = frameWidth * thumbScale;
UIImage tThumb = tFrame.AddView <UIImage>("Thumb");
tThumb.SetAnchorToCenter();
tThumb.sprite = tAtlas["UISimpleJoystick_Thumb_Type_0"];
tThumb.SetSize(thumbWidth, thumbWidth);
thumb = tThumb;
// DestroyImmediate( tAtlas ) ;
}