public static GrayAtlas GetGrayAtlas(NGUIAtlas a)
{
if (inst == null)
{
var go = new GameObject("GrayAtlasPool", typeof(GrayAtlasPool));
inst = go.GetComponent <GrayAtlasPool>();
}
return(inst.GetGray(a));
}
void OnDestroy()
{
foreach (var pair in pool)
{
Destroy(pair.Value.gray);
}
pool.Clear();
inst = null;
}
public static void ToGrayscale(this UISprite s, bool gray)
{
if (s == null || s.atlas == null)
{
return;
}
if (gray)
{
GrayAtlas a = GrayAtlasPool.GetGrayAtlas(s.atlas.origin());
s.atlas = a.gray;
}
else
{
if (GrayAtlasPool.HasGrayAtlas(s.atlas.origin()))
{
GrayAtlas a = GrayAtlasPool.GetGrayAtlas(s.atlas.origin());
s.atlas = a.src;
}
}
}
