One consecutive run of items that share a texture (§55 / §65 atlas grouping). start is an index into the input array; count is the run length. Identity is === on the resolved texture.
start
count
===
Readonly
One consecutive run of items that share a texture (§55 / §65 atlas grouping).
startis an index into the input array;countis the run length. Identity is===on the resolved texture.