private void updateUV()
{
if (TargetImage.texture == null)
{
return;
}
//テクスチャサイズ
float tw = TargetImage.texture.width;
float th = TargetImage.texture.height;
//float tw_half = tw * 0.5f;
float th_half = th * 0.5f;
//オブジェクト位置
RectTransform rectObjTrans = GetComponent <RectTransform>();
Vector2 o_pos = RectTransformUtility.WorldToScreenPoint(MainCamera, rectObjTrans.position);
//オブジェクトサイズ
float ow = rectObjTrans.sizeDelta.x;
float oh = rectObjTrans.sizeDelta.y;
float ow_half = ow * 0.5f;
float oh_half = oh * 0.5f;
//スクリーンサイズ
float sw = MainCamera.pixelWidth;
float sh = MainCamera.pixelHeight;
//float sw_half = sw * 0.5f;
float sh_half = sh * 0.5f;
CanvasSetting canvasSetting = MainCanvas.GetComponent <CanvasSetting>();
if (!canvasSetting.IsHeightReference)
{
float rate = DefaultCanvasSizeX / sw;
o_pos *= rate;
float tmp0 = (sh_half * rate) - th_half;
Vector2 o_pos_lu = new Vector2(o_pos.x - ow_half, o_pos.y - oh_half - tmp0);
TargetImage.uvRect = new Rect(o_pos_lu.x / tw, o_pos_lu.y / th, ow / tw, oh / th);
}
else
{
float rate = DefaultCanvasSizeY / sh;
o_pos *= rate;
float tmp0 = (sh_half * rate) - th_half;
Vector2 o_pos_lu = new Vector2(o_pos.x - ow_half, o_pos.y - oh_half - tmp0);
TargetImage.uvRect = new Rect((o_pos_lu.x + (canvasSetting.GetAddWidth() * 0.5f)) / tw, o_pos_lu.y / th, ow / tw, oh / th);
}
#if UNITY_EDITOR
TargetImage.OnRebuildRequested();
#endif
}
