2 files changed, 5 insertions, 1 deletions
diff --git a/src/main.rs b/src/main.rs
index 5a40014..9cbb610 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,13 +1,15 @@
 /*
 @TODO:
+- screenshot
+- RnToRn functions (& add back in RToR)
 - let user go back&forth through past sdfs using scenes.txt file
 - documentation
 - GenRandom integers (just use 0..u32::MAX and add a modulus)
-- record a video
 - blender-style rendering the picture in multiple frames
    (this lets us look at super complicated SDFs while still processing input, etc. at 60 fps)
 - better SDL api: Context  +  Window<'a> impl !Send+!Sync
 - gallery view
+- record a cool video
 */
 
 #![windows_subsystem = "windows"]
diff --git a/src/sdf.rs b/src/sdf.rs
index 8c38337..9a92905 100644
--- a/src/sdf.rs
+++ b/src/sdf.rs
@@ -200,6 +200,8 @@ pub enum R3ToR3 {
 	Wibbly,
 	#[prob(2)]
 	Sqrt(Constant),
+	// this was removed at some point.
+	// it doesn't really seem to be helpful.
 	#[prob(0)]
 	Twisty(Constant),
 }