diff --git a/src/inputs.rs b/src/inputs.rs
new file mode 100644
index 0000000..1dfaaaa
--- /dev/null
+++ b/src/inputs.rs
@@ -0,0 +1,24 @@
+
+use {
+    std::time::Duration,
+    crate::waveform::Waveform
+};
+
+
+#[derive(Clone, Debug)]
+pub struct Inputs {
+    pub t: Duration,
+    pub transition_time: Duration,
+
+    pub scene_select: usize,
+    pub cycle_len: Duration,
+    pub wave_peak: f32,
+
+    pub master_wave: Option< Waveform >,
+    pub master_subdivision: i32,
+    pub master_intensity: f32,
+    pub wheel: i32,
+    pub wheel2: i32,
+}
+
+
diff --git a/src/main.rs b/src/main.rs
index 69761da..eddc3bc 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -16,6 +16,7 @@ use {
 mod util;
 mod fixture;
 mod setup;
+mod inputs;
 mod view;
 mod stripe_driver;
 mod jack;
@@ -32,25 +33,10 @@ use crate::{
     util::get_angle,
 
     scene_library::SceneLibrary,
-    waveform::Waveform
+    waveform::Waveform,
+    inputs::Inputs
 };
 
-#[derive(Clone, Debug)]
-pub struct Inputs {
-    t: Duration,
-    transition_time: Duration,
-
-    scene_select: usize,
-    cycle_len: Duration,
-    wave_peak: f32,
-
-    master_wave: Option< Waveform >,
-    master_subdivision: i32,
-    master_intensity: f32,
-    wheel: i32,
-    wheel2: i32,
-}
-
 #[async_std::main]
 async fn main() {
     let event_loop = EventLoop::new().unwrap();
diff --git a/src/patterns/arctic_rain.rs b/src/patterns/arctic_rain.rs
index c665b9e..4c21ba8 100644
--- a/src/patterns/arctic_rain.rs
+++ b/src/patterns/arctic_rain.rs
@@ -17,7 +17,6 @@ pub struct ArcticRain { pub inputs: Arc<RwLock< Inputs >> }
 impl ColorGrid for ArcticRain {
     fn get(&self, p: &Vector2<f32>) -> Rgb<f32> {
         let inputs = self.inputs.read().unwrap().clone();
-//        let millis = self
 
         let i = ( inputs.t.as_millis() as f32 / (4.0*inputs.cycle_len.as_millis() as f32) ) % 1.0;
 
diff --git a/src/view.rs b/src/view.rs
index e8359c2..8263636 100644
--- a/src/view.rs
+++ b/src/view.rs
@@ -1,9 +1,15 @@
 use {
     cgmath::Vector2,
-    prisma::Rgb
+    prisma::Rgb,
+
+    crate::inputs::Inputs
 };
 
 pub trait ColorGrid {
     fn get(&self, pos: &Vector2<f32>) -> Rgb<f32>;
 }
 
+pub trait Animation {
+    fn advance(&mut self, inputs: Inputs);
+}
+