//************************************************************************************************
//
//************************************************************************************************
public static Vector2 Resize(float dim, Vector2 src, PRESERVE_ASPECT preserve)
{
if (src.x <= 0.0f)
{
return(Vector2.zero);
}
if (src.y <= 0.0f)
{
return(Vector2.zero);
}
if (preserve == PRESERVE_ASPECT.DEFAULT)
{
return(Vector2.zero);
}
float scale = (preserve == PRESERVE_ASPECT.H) ? dim / src.x : dim / src.y;
float ratio = (preserve == PRESERVE_ASPECT.H) ? src.y / src.x : src.x / src.y;
float x = (preserve == PRESERVE_ASPECT.H) ? src.x * scale : src.y * scale * ratio;
float y = (preserve == PRESERVE_ASPECT.W) ? src.y * scale : src.x * scale * ratio;
return(new Vector2(x, y));
}
//************************************************************************************************
//
//************************************************************************************************
public static Vector2 Constrain(Vector2 dst, Vector2 src, PRESERVE_ASPECT preserve = PRESERVE_ASPECT.DEFAULT)
{
if (preserve == PRESERVE_ASPECT.DEFAULT)
{
if (src.x >= src.y)
{
return(Resize(dst.x, src, PRESERVE_ASPECT.H));
}
else
{
return(Resize(dst.y, src, PRESERVE_ASPECT.W));
}
}
return(Resize(dst.y, src, preserve));
}
//************************************************************************************************
//
//************************************************************************************************
public static void Constrain(RectTransform dst, Texture src, PRESERVE_ASPECT preserve = PRESERVE_ASPECT.DEFAULT)
{
if (dst == null)
{
return;
}
if (src == null)
{
return;
}
Vector2 size = CORE.UI.Constrain(new Vector2(dst.rect.width, dst.rect.height), new Vector2(src.width, src.height), preserve);
Vector2 scale = new Vector2(size.x / dst.rect.width, size.y / dst.rect.height);
dst.localScale = new Vector3(scale.x, scale.y, 1.0f);
}
