float CalcSliderValue(Vector2 point)
{
float t = 0;
float min = 0;
float max = 0;
Vector3 pos = this.transform.position;
Vector2 offset = WrapperUnityVersion.GetBoxCollider2DOffset(BoxCollider2D);
switch (direction)
{
case Direction.Horizontal:
min = (pos.x - offset.x) - BoxCollider2D.size.x / 2;
max = (pos.x - offset.x) + BoxCollider2D.size.x / 2;
t = point.x;
break;
case Direction.Vertical:
default:
min = (pos.y - offset.y) - BoxCollider2D.size.y / 2;
max = (pos.y - offset.y) + BoxCollider2D.size.y / 2;
t = point.y;
break;
}
return(Mathf.InverseLerp(min, max, t));
}
//アイテム全体の範囲を取得
void InitItemsRect()
{
if (rootItems.childCount <= 0)
{
itemsRect = new Vector4(0, 0, 0, 0);
}
else
{
float left = float.MaxValue;
float top = float.MinValue;
float right = float.MinValue;
float bottom = float.MaxValue;
foreach (Transform trans in rootItems.transform)
{
BoxCollider2D col = trans.GetComponent <BoxCollider2D>();
Vector2 offset = WrapperUnityVersion.GetBoxCollider2DOffset(col);
left = Mathf.Min(left, trans.position.x + offset.x - col.size.x / 2);
top = Mathf.Max(top, trans.position.y + offset.y + col.size.y / 2);
right = Mathf.Max(right, trans.position.x + offset.x + col.size.x / 2);
bottom = Mathf.Min(bottom, trans.position.y + offset.y - col.size.y / 2);
}
itemsRect = new Vector4(left, top, right, bottom);
}
}
