Merge pull request nannou-org#7 from mitchmindtree/master

Fix bug where point rate change could panic
mitchmindtree · Apr 25, 2019 · 38181d3 · 38181d3
2 parents 8ec8c22 + 610dd4e
commit 38181d3
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diff --git a/Cargo.toml b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "lasy"
-version = "0.2.3"
+version = "0.2.4"
 authors = ["mitchmindtree <mitchell.nordine@gmail.com>"]
 description = "A cross-platform laser DAC detection and streaming API."
 edition = "2018"

diff --git a/src/stream/raw.rs b/src/stream/raw.rs
@@ -499,7 +499,7 @@ where
         ether_dream_points.extend(buffer.iter().cloned().map(point_to_ether_dream_point));
 
         // If the point rate changed, set the control value on the first point to trigger it.
-        if point_rate_changed {
+        if point_rate_changed && !ether_dream_points.is_empty() {
             ether_dream_points[0].control = ether_dream::dac::PointControl::CHANGE_RATE.bits();
         }