public MaterialPropertyBlock UpdateBlock()
{
if (_block == null)
{
_block = new MaterialPropertyBlock(); // make it lazy
}
HEX hex = _weak_hex.Target as HEX;
Dictionary <int, int> TSet = new Dictionary <int, int> ();
List <Vector4> TArray = new List <Vector4> ();
for (int i = 0; i < spriteIds.Count; i++)
{
Vector4 pos = hex.GetSpritePosInfoByName(spriteIds [i]);
TArray.Add(pos);
}
if (TArray.Count > 0)
{
_block.SetVectorArray("_ARRAY", TArray.ToArray());
}
_block.SetTexture("_ATLAS", hex.altasTexture);
var mr = gameObject.GetComponent <MeshRenderer>();
if (mr != null)
{
mr.SetPropertyBlock(_block);
}
return(_block);
}
