public void Can_retrieve_items_from_transparency_map()
{
var map = new TransparencyMap(1);
map.AddTransparencyToMap(0, 201);
Assert.Equal(201, map[0]);
}
public void Adding_too_many_entries_throws_exception()
{
var map = new TransparencyMap(1);
map.AddTransparencyToMap(0, 255);
map.AddTransparencyToMap(1, 213);
var arex = Assert.Throws <ArgumentOutOfRangeException>(() => map.AddTransparencyToMap(2, 49));
Assert.Equal("palletteIndex", arex.ParamName);
}
static public TransparencyMap Load(Sprite sprite)
{
cache = cache ?? new Dictionary <string, TransparencyMap>();
if (cache.ContainsKey(sprite.name))
{
return(cache[sprite.name]);
}
var map = new TransparencyMap(sprite);
cache.Add(sprite.name, map);
return(map);
}
void Start()
{
image = GetComponent <Image>();
transparencyMap = TransparencyMap.Load(image.sprite);
}
