fix incorrectly sleeping chunks

1 files changed, 2 insertions, 1 deletions

diff --git a/src/sim/cell_sim/sim.rs b/src/sim/cell_sim/sim.rs
index 3fc3a0f..92a263e 100644
--- a/src/sim/cell_sim/sim.rs
+++ b/src/sim/cell_sim/sim.rs
@@ -197,9 +197,9 @@ impl UpdateCtx<'_, '_, '_> {
                 && candidate_cell.material.def().density < self.material.density
             {
                 candidate_cell.reset_settled();
-                candidate_cell.match_parity(self.seqno + 1);
                 self.cell.reset_settled();
                 self.cell.match_parity(self.seqno + 1);
+
                 self.set_cell(0, 0, candidate_cell);
                 self.set_cell(dx, dy, *self.cell);
                 self.do_rewrite = false;
@@ -252,6 +252,7 @@ pub fn sim_tick_chunk(chunks: &mut [Option<&mut Chunk>; 9], seqno: u64) {
 
                     if update_ctx.do_rewrite {
                         // the cell didn't move, so it's more settled, and we also need to update its state for parity
+                        cell.match_parity(seqno + 1);
                         cell.increment_settled();
                         set_cell(chunks, x, y, cell);
                     }