1 files changed, 0 insertions, 20 deletions
diff --git a/src/sim/materials/smoke.rs b/src/sim/materials/smoke.rs
deleted file mode 100644
index 5240bc9..0000000
--- a/src/sim/materials/smoke.rs
+++ /dev/null
@@ -1,20 +0,0 @@
-use rand::RngExt;
-
-use crate::sim::sim::UpdateCtx;
-
-#[inline]
-pub fn sim_update(ctx: &mut UpdateCtx) {
-    // only allow upward movement some of the time to limit movement speed
-    if ctx.rng.random_range(0.0..1.0) > 0.8 && ctx.candidates_swap(&[(0, -1)]) {
-        return;
-    }
-    // same for each horizontal direction
-    if ctx.rng.random_range(0.0..1.0) > 0.8
-        && ctx.candidates_swap(&[(1 - ctx.seqno_parity as i32 * 2, 0)])
-    {
-        return;
-    }
-    if ctx.rng.random_range(0.0..1.0) > 0.8
-        && ctx.candidates_swap(&[(-1 + ctx.seqno_parity as i32 * 2, 0)])
-    {}
-}