add random stars pattern

fix wrong multi devices selection
add color section to simplify devices section

Cargo.lock

@@ -920,6 +920,14 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "pattern_derive"
+version = "0.1.0"
+dependencies = [
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "peeking_take_while"
 version = "0.1.2"
@@ -1096,6 +1104,7 @@ dependencies = [
  "bluer",
  "clap",
  "futures",
+ "pattern_derive",
  "rand",
  "rodio",
  "serde",

Cargo.toml

@@ -12,6 +12,7 @@ futures = "0.3.19"
 rand = "0.8.5"
 rodio = "0.15.0"
 clap = { version = "3.1.6", features = ["derive"] }
+pattern_derive = { path = "pattern_derive" }
 
 serde_derive = "1.0.136"
 serde = "1.0.136"

spectacle.yml

@@ -1,39 +1,46 @@
+colors:
+  - &red
+    red: 255
+    green: 0
+    blue: 0
+
+devices:
   - name : toto
     mac_addresses :
       - C9:81:9C:BA:53:BC
     sequence:
-#      - pattern:
-#          type: Blink
-#          fade:
-#            current_iteration: 10
-#            nbr_iterations: 20
-#            begin_color: &black
-#              red: 0
-#              green: 0
-#              blue: 0
-#            end_color: &purple
-#              red: 255
-#              green: 0
-#              blue: 255
-#          max_iteration: 10
-#        period: 50
       - pattern:
           type: Rain
           color: &blue
             red: 0
             green: 0
             blue: 255
-          background_color: &black
+          background_color: &yellow
             red: 0
             green: 255
-            blue: 0
+            blue: 255
           stability: 10
           lines: 5
         period: 200
+      - pattern:
+          type: Blink
+          fade:
+            current_iteration: 10
+            steps: 20
+            begin_color: &black
+              red: 0
+              green: 0
+              blue: 0
+            end_color: &purple
+              red: 255
+              green: 0
+              blue: 255
+          max_iteration: 10
+        period: 50
       - pattern:
           type: Fade
           steps: 20
-          begin_color: &red
+          begin_color:
             red: 255
             green: 0
             blue: 0
@@ -55,11 +62,15 @@
   - name: titi
     sequence:
       - pattern:
-          type: RingScanner
+          type: StarsRandom
           color: *green
-          ring_size: 4
+          ratio: 8
-          max_iteration : 50
+          steps: 20
-        period: 100
+          background_color:
+            red: 0
+            green: 255
+            blue: 100
+        period: 50
       - pattern:
           type: Rainbow
           max_iteration: 200

src/config.rs

@@ -1,9 +1,15 @@
+use crate::patterns::PixelColor;
 use crate::runner::DeviceSequence;
 use serde_derive::{Deserialize, Serialize};
 use std::collections::HashSet;
 use std::fs;
 
-pub(crate) type Config<const N: usize> = Vec<Device<N>>;
+
+#[derive(Serialize, Deserialize)]
+pub struct Config<const N: usize> {
+    devices: Vec<Device<N>>,
+    colors: Vec<PixelColor>,
+}
 
 #[derive(Deserialize, Serialize)]
 pub struct Device<const N: usize> {
@@ -12,8 +18,8 @@ pub struct Device<const N: usize> {
     pub sequence: DeviceSequence<N>,
 }
 
-pub fn load_from_file<const N: usize>(file: &std::path::Path) -> Config<N> {
+pub fn load_from_file<const N: usize>(file: &std::path::Path) -> Vec<Device<N>> {
     let file = fs::read_to_string(file).unwrap();
     let config: Config<N> = serde_yaml::from_str(&*file).unwrap();
-    config
+    config.devices
 }

src/main.rs

@@ -8,7 +8,7 @@ mod spectacle;
 
 use crate::args::Cli;
 use crate::audio::play_sound;
-use crate::config::{load_from_file, Config};
+use crate::config::load_from_file;
 use crate::runner::Spectacle;
 use bluer::gatt::remote::Characteristic;
 use bluer::{Device, Error};
@@ -29,7 +29,7 @@ async fn main() -> bluer::Result<()> {
     let command_line = Cli::parse();
 
     let file = Path::new(&command_line.spectacle_file);
-    let config: Config<25> = load_from_file(file);
+    let config = load_from_file(file);
     let spectacle = Spectacle::from(config);
     let spectacle = Arc::new(Mutex::new(spectacle));
 
@@ -86,7 +86,6 @@ async fn connect_device(
                         };
                     }
                     println!("device {} disconnected", &device.address());
-                    // drop(rx_device);
                 });
             }
         }

src/patterns.rs

@@ -10,6 +10,7 @@ mod rainbow;
 mod ring;
 mod ring_scanner;
 mod scanner;
+mod stars_random;
 
 use crate::patterns::blink::Blink;
 use crate::patterns::color_wipe::ColorWipe;
@@ -23,11 +24,12 @@ use crate::patterns::rainbow::Rainbow;
 use crate::patterns::ring::Ring;
 use crate::patterns::ring_scanner::RingScanner;
 use crate::patterns::scanner::Scanner;
+use crate::patterns::stars_random::StarsRandom;
 use rand::rngs::ThreadRng;
 use rand::Rng;
 use serde_derive::{Deserialize, Serialize};
 use std::fmt;
-use std::ops::{AddAssign, Div, Index, IndexMut, SubAssign};
+use std::ops::{Add, AddAssign, Div, Index, IndexMut, Sub, SubAssign};
 
 #[derive(Serialize, Deserialize, Debug, Eq, Hash, PartialEq, Copy, Clone)]
 #[serde(tag = "type")]
@@ -44,15 +46,49 @@ pub(crate) enum Patterns<const N: usize> {
     FadeUnstable(FadeUnstable<N>),
     Ring(Ring<N>),
     RingScanner(RingScanner<N>),
+    StarsRandom(StarsRandom<N>),
 }
 
 pub trait Pattern: Iterator {
     type Strip;
 
-    fn init(&mut self) -> Option<Self::Strip>;
+    fn init(&mut self) -> Option<Self::Strip> {
+        None
+    }
     fn is_last_iteration(&self) -> bool;
 }
 
+#[macro_export]
+macro_rules! impl_pattern_init_background {
+    ($generic: tt) => {
+        fn init(&mut self) -> Option<Self::Strip> {
+            if let Some(color) = self.background_color {
+                Some(Strip::<N>::new(color))
+            } else {
+                None
+            }
+        }
+    };
+}
+
+#[macro_export]
+macro_rules! impl_pattern_last_iteration {
+    ($name:ty) => {
+        fn is_last_iteration(&self) -> bool {
+            match self.max_iteration {
+                None => false,
+                Some(max_iter) => {
+                    if self.current_iteration >= max_iter {
+                        true
+                    } else {
+                        false
+                    }
+                }
+            }
+        }
+    };
+}
+
 impl<const N: usize> Iterator for Patterns<N> {
     type Item = Strip<N>;
 
@@ -70,6 +106,7 @@ impl<const N: usize> Iterator for Patterns<N> {
             Patterns::FadeUnstable(p) => p.next(),
             Patterns::Ring(p) => p.next(),
             Patterns::RingScanner(p) => p.next(),
+            Patterns::StarsRandom(p) => p.next(),
         }
     }
 }
@@ -91,6 +128,7 @@ impl<const N: usize> Pattern for Patterns<N> {
             Patterns::FadeUnstable(p) => p.init(),
             Patterns::Ring(p) => p.init(),
             Patterns::RingScanner(p) => p.init(),
+            Patterns::StarsRandom(p) => p.init(),
         }
     }
 
@@ -108,6 +146,7 @@ impl<const N: usize> Pattern for Patterns<N> {
             Patterns::FadeUnstable(p) => p.is_last_iteration(),
             Patterns::Ring(p) => p.is_last_iteration(),
             Patterns::RingScanner(p) => p.is_last_iteration(),
+            Patterns::StarsRandom(p) => p.is_last_iteration(),
         }
     }
 }
@@ -139,6 +178,30 @@ impl Div<u8> for PixelColor {
     }
 }
 
+impl Add for PixelColor {
+    type Output = Self;
+
+    fn add(self, rhs: Self) -> Self::Output {
+        PixelColor {
+            red: self.red.saturating_add(rhs.red),
+            green: self.green.saturating_add(rhs.green),
+            blue: self.blue.saturating_add(rhs.blue),
+        }
+    }
+}
+
+impl Sub<u8> for PixelColor {
+    type Output = Self;
+
+    fn sub(self, rhs: u8) -> Self::Output {
+        PixelColor {
+            red: self.red.saturating_sub(rhs),
+            green: self.green.saturating_sub(rhs),
+            blue: self.blue.saturating_sub(rhs),
+        }
+    }
+}
+
 impl SubAssign for PixelColor {
     fn sub_assign(&mut self, rhs: Self) {
         self.red = self.red.saturating_sub(rhs.red);
@@ -166,23 +229,27 @@ impl PixelColor {
     /// returns: PixelColor
     ///
     pub fn random_delta(&self, stability: usize, rng: &mut ThreadRng) -> PixelColor {
-        let red_delta = rng.gen_range(0..stability) as u8;
+        let minus_interval = -(stability as i8);
-        let green_delta = rng.gen_range(0..stability) as u8;
+        let max_interval = stability as i8;
-        let blue_delta = rng.gen_range(0..stability) as u8;
+        let red_delta = rng.gen_range(minus_interval..max_interval) as i8;
-        let operation = rng.gen_bool(0.5);
+        let green_delta = rng.gen_range(minus_interval..max_interval) as i8;
-        let red;
+        let blue_delta = rng.gen_range(minus_interval..max_interval) as i8;
-        let green;
+        self.delta((red_delta, green_delta, blue_delta))
-        let blue;
-        if operation {
-            red = self.red.saturating_add(red_delta);
-            green = self.green.saturating_add(green_delta);
-            blue = self.blue.saturating_add(blue_delta);
-        } else {
-            red = self.red.saturating_sub(red_delta);
-            green = self.green.saturating_sub(green_delta);
-            blue = self.blue.saturating_sub(blue_delta);
     }
-        PixelColor { red, green, blue }
+
+    pub fn delta(&self, delta: (i8, i8, i8)) -> PixelColor {
+        let (red, green, blue) = delta;
+        PixelColor {
+            red: (self.red as i16 + red as i16) as u8,
+            green: (self.green as i16 + green as i16) as u8,
+            blue: (self.blue as i16 + blue as i16) as u8,
+        }
+    }
+
+    pub fn is_closer(&self, pixel: PixelColor, distance: PixelColor) -> bool {
+        (self.red as i16 - pixel.red as i16).abs() <= distance.red as i16
+            && (self.green as i16 - pixel.green as i16).abs() <= distance.green as i16
+            && (self.blue as i16 - pixel.blue as i16).abs() <= distance.blue as i16
     }
 }
 

src/patterns/blink.rs

@@ -1,6 +1,6 @@
 use crate::patterns::fade::Fade;
 use crate::patterns::Pattern;
-use crate::Strip;
+use crate::{impl_pattern_last_iteration, Strip};
 use serde::{Deserialize, Serialize};
 
 /// # Blink
@@ -16,23 +16,7 @@ pub struct Blink<const N: usize> {
 
 impl<const N: usize> Pattern for Blink<N> {
     type Strip = Strip<N>;
-
+    impl_pattern_last_iteration!(ColorWipe);
-    fn init(&mut self) -> Option<Self::Strip> {
-        None
-    }
-
-    fn is_last_iteration(&self) -> bool {
-        match self.max_iteration {
-            None => false,
-            Some(max_iter) => {
-                if self.current_iteration >= max_iter {
-                    true
-                } else {
-                    false
-                }
-            }
-        }
-    }
 }
 
 impl<const N: usize> Iterator for Blink<N> {

src/patterns/color_wipe.rs

@@ -1,5 +1,5 @@
 use crate::patterns::{Pattern, PixelColor};
-use crate::Strip;
+use crate::{impl_pattern_init_background, impl_pattern_last_iteration, Strip};
 use serde::{Deserialize, Serialize};
 
 /// # Colorwipe pattern
@@ -22,27 +22,8 @@ pub struct ColorWipe<const N: usize> {
 
 impl<const N: usize> Pattern for ColorWipe<N> {
     type Strip = Strip<N>;
-
+    impl_pattern_init_background!(N);
-    fn init(&mut self) -> Option<Self::Strip> {
+    impl_pattern_last_iteration!(ColorWipe);
-        if let Some(color) = self.background_color {
-            Some(Strip::<N>::new(color))
-        } else {
-            None
-        }
-    }
-
-    fn is_last_iteration(&self) -> bool {
-        match self.max_iteration {
-            None => false,
-            Some(max_iter) => {
-                if self.current_iteration >= max_iter {
-                    true
-                } else {
-                    false
-                }
-            }
-        }
-    }
 }
 
 impl<const N: usize> Iterator for ColorWipe<N> {

src/patterns/fade.rs

@@ -20,10 +20,6 @@ fn fade_value(value_start: u8, value_end: u8, index: usize, nbr_iter: usize) ->
 impl<const N: usize> Pattern for Fade<N> {
     type Strip = Strip<N>;
 
-    fn init(&mut self) -> Option<Self::Strip> {
-        None
-    }
-
     fn is_last_iteration(&self) -> bool {
         self.current_iteration >= self.steps
     }

src/patterns/fade_random.rs

@@ -1,6 +1,6 @@
 use crate::patterns::fade::Fade;
 use crate::patterns::Pattern;
-use crate::Strip;
+use crate::{impl_pattern_last_iteration, Strip};
 use serde::{Deserialize, Serialize};
 
 /// # FadeRandom
@@ -17,23 +17,7 @@ pub struct FadeRandom<const N: usize> {
 
 impl<const N: usize> Pattern for FadeRandom<N> {
     type Strip = Strip<N>;
-
+    impl_pattern_last_iteration!(ColorWipe);
-    fn init(&mut self) -> Option<Self::Strip> {
-        None
-    }
-
-    fn is_last_iteration(&self) -> bool {
-        match self.max_iteration {
-            None => false,
-            Some(max_iter) => {
-                if self.current_iteration >= max_iter {
-                    true
-                } else {
-                    false
-                }
-            }
-        }
-    }
 }
 
 impl<const N: usize> Iterator for FadeRandom<N> {

src/patterns/fade_unstable.rs

@@ -1,6 +1,6 @@
 use crate::patterns::fade::Fade;
 use crate::patterns::Pattern;
-use crate::Strip;
+use crate::{impl_pattern_last_iteration, Strip};
 use serde::{Deserialize, Serialize};
 
 /// # FadeUnstable
@@ -17,23 +17,7 @@ pub struct FadeUnstable<const N: usize> {
 
 impl<const N: usize> Pattern for FadeUnstable<N> {
     type Strip = Strip<N>;
-
+    impl_pattern_last_iteration!(ColorWipe);
-    fn init(&mut self) -> Option<Self::Strip> {
-        None
-    }
-
-    fn is_last_iteration(&self) -> bool {
-        match self.max_iteration {
-            None => false,
-            Some(max_iter) => {
-                if self.current_iteration >= max_iter {
-                    true
-                } else {
-                    false
-                }
-            }
-        }
-    }
 }
 
 impl<const N: usize> Iterator for FadeUnstable<N> {

src/patterns/fill_random.rs

@@ -1,5 +1,5 @@
 use crate::patterns::{Pattern, PixelColor};
-use crate::Strip;
+use crate::{impl_pattern_last_iteration, Strip};
 use serde::{Deserialize, Serialize};
 
 /// # FillRandom
@@ -16,23 +16,7 @@ pub struct FillRandom<const N: usize> {
 
 impl<const N: usize> Pattern for FillRandom<N> {
     type Strip = Strip<N>;
-
+    impl_pattern_last_iteration!(ColorWipe);
-    fn init(&mut self) -> Option<Self::Strip> {
-        None
-    }
-
-    fn is_last_iteration(&self) -> bool {
-        match self.max_iteration {
-            None => false,
-            Some(max_iter) => {
-                if self.current_iteration >= max_iter {
-                    true
-                } else {
-                    false
-                }
-            }
-        }
-    }
 }
 
 impl<const N: usize> Iterator for FillRandom<N> {

src/patterns/fill_unstable.rs

@@ -1,5 +1,5 @@
 use crate::patterns::{Pattern, PixelColor};
-use crate::Strip;
+use crate::{impl_pattern_last_iteration, Strip};
 use serde::{Deserialize, Serialize};
 
 /// # FillUnstable
@@ -16,23 +16,7 @@ pub struct FillUnstable<const N: usize> {
 
 impl<const N: usize> Pattern for FillUnstable<N> {
     type Strip = Strip<N>;
-
+    impl_pattern_last_iteration!(FillUnstable);
-    fn init(&mut self) -> Option<Self::Strip> {
-        None
-    }
-
-    fn is_last_iteration(&self) -> bool {
-        match self.max_iteration {
-            None => false,
-            Some(max_iter) => {
-                if self.current_iteration >= max_iter {
-                    true
-                } else {
-                    false
-                }
-            }
-        }
-    }
 }
 
 impl<const N: usize> Iterator for FillUnstable<N> {

src/patterns/rain.rs

@@ -1,5 +1,5 @@
 use crate::patterns::{Pattern, PixelColor};
-use crate::Strip;
+use crate::{impl_pattern_last_iteration, Strip};
 use rand::Rng;
 use serde::{Deserialize, Serialize};
 
@@ -28,28 +28,15 @@ pub struct Rain<const N: usize> {
 
 impl<const N: usize> Pattern for Rain<N> {
     type Strip = Strip<N>;
-
     fn init(&mut self) -> Option<Self::Strip> {
         if let Some(color) = self.background_color {
             self.drops = Strip::<N>::new(color);
-            Some(Strip::<N>::new(color))
+            Some(self.drops)
         } else {
             None
         }
     }
-
+    impl_pattern_last_iteration!(ColorRain);
-    fn is_last_iteration(&self) -> bool {
-        match self.max_iteration {
-            None => false,
-            Some(max_iter) => {
-                if self.current_iteration >= max_iter {
-                    true
-                } else {
-                    false
-                }
-            }
-        }
-    }
 }
 
 impl<const N: usize> Iterator for Rain<N> {
@@ -68,7 +55,7 @@ impl<const N: usize> Iterator for Rain<N> {
             } else {
                 let c = strip[i + self.lines];
                 if self.background_color != c && c != Some(PixelColor::default()) {
-                    strip[i] = Some(strip[i + self.lines].unwrap() / 2);
+                    strip[i] = Some(c.unwrap() / 2);
                 } else {
                     strip[i] = self.background_color;
                 }

src/patterns/rainbow.rs

@@ -1,5 +1,5 @@
 use crate::patterns::{Pattern, PixelColor};
-use crate::Strip;
+use crate::{impl_pattern_last_iteration, Strip};
 use serde::{Deserialize, Serialize};
 
 /// # Rainbow pattern
@@ -22,23 +22,7 @@ pub struct Rainbow<const N: usize> {
 
 impl<const N: usize> Pattern for Rainbow<N> {
     type Strip = Strip<N>;
-
+    impl_pattern_last_iteration!(Rainbow);
-    fn init(&mut self) -> Option<Self::Strip> {
-        None
-    }
-
-    fn is_last_iteration(&self) -> bool {
-        match self.max_iteration {
-            None => false,
-            Some(max_iter) => {
-                if self.current_iteration >= max_iter {
-                    true
-                } else {
-                    false
-                }
-            }
-        }
-    }
 }
 
 impl<const N: usize> Iterator for Rainbow<N> {

src/patterns/ring.rs

@@ -1,5 +1,5 @@
 use crate::patterns::{Pattern, PixelColor};
-use crate::Strip;
+use crate::{impl_pattern_init_background, impl_pattern_last_iteration, Strip};
 use serde::{Deserialize, Serialize};
 
 /// # Ring
@@ -17,23 +17,8 @@ pub struct Ring<const N: usize> {
 
 impl<const N: usize> Pattern for Ring<N> {
     type Strip = Strip<N>;
-
+    impl_pattern_init_background!(N);
-    fn init(&mut self) -> Option<Self::Strip> {
+    impl_pattern_last_iteration!(Ring);
-        None
-    }
-
-    fn is_last_iteration(&self) -> bool {
-        match self.max_iteration {
-            None => false,
-            Some(max_iter) => {
-                if self.current_iteration >= max_iter {
-                    true
-                } else {
-                    false
-                }
-            }
-        }
-    }
 }
 
 impl<const N: usize> Iterator for Ring<N> {

src/patterns/ring_scanner.rs

@@ -1,5 +1,5 @@
 use crate::patterns::{Pattern, PixelColor};
-use crate::Strip;
+use crate::{impl_pattern_init_background, impl_pattern_last_iteration, Strip};
 use serde::{Deserialize, Serialize};
 
 /// # RingScanner
@@ -17,23 +17,8 @@ pub struct RingScanner<const N: usize> {
 
 impl<const N: usize> Pattern for RingScanner<N> {
     type Strip = Strip<N>;
-
+    impl_pattern_init_background!(N);
-    fn init(&mut self) -> Option<Self::Strip> {
+    impl_pattern_last_iteration!(ColorWipe);
-        None
-    }
-
-    fn is_last_iteration(&self) -> bool {
-        match self.max_iteration {
-            None => false,
-            Some(max_iter) => {
-                if self.current_iteration >= max_iter {
-                    true
-                } else {
-                    false
-                }
-            }
-        }
-    }
 }
 
 impl<const N: usize> Iterator for RingScanner<N> {

src/patterns/scanner.rs

@@ -1,5 +1,5 @@
 use crate::patterns::{Pattern, PixelColor};
-use crate::Strip;
+use crate::{impl_pattern_init_background, impl_pattern_last_iteration, Strip};
 use serde::{Deserialize, Serialize};
 
 /// # scanner pattern
@@ -20,27 +20,8 @@ pub struct Scanner<const N: usize> {
 
 impl<const N: usize> Pattern for Scanner<N> {
     type Strip = Strip<N>;
-
+    impl_pattern_init_background!(N);
-    fn init(&mut self) -> Option<Self::Strip> {
+    impl_pattern_last_iteration!(ColorWipe);
-        if let Some(color) = self.background_color {
-            Some(Strip::<N>::new(color))
-        } else {
-            None
-        }
-    }
-
-    fn is_last_iteration(&self) -> bool {
-        match self.max_iteration {
-            None => false,
-            Some(max_iter) => {
-                if self.current_iteration >= max_iter {
-                    true
-                } else {
-                    false
-                }
-            }
-        }
-    }
 }
 
 impl<const N: usize> Iterator for Scanner<N> {

src/patterns/stars_random.rs

@@ -0,0 +1,85 @@
+use crate::patterns::{Pattern, PixelColor};
+use crate::{impl_pattern_last_iteration, Strip};
+use rand::Rng;
+use serde::{Deserialize, Serialize};
+
+/// # StarsRandom
+///
+/// fill strip with background color then color random pixel with other color fading to background color
+#[derive(Serialize, Deserialize, Debug, Eq, Hash, PartialEq, Copy, Clone)]
+pub struct StarsRandom<const N: usize> {
+    pub(crate) color: PixelColor,
+    pub(crate) ratio: usize,
+    pub(crate) max_iteration: Option<usize>,
+    pub(crate) background_color: Option<PixelColor>,
+    pub(crate) steps: usize,
+    #[serde(default)]
+    pub(crate) current_iteration: usize,
+    #[serde(skip)]
+    strip: Strip<N>,
+    #[serde(skip)]
+    step: (i8, i8, i8),
+}
+
+impl<const N: usize> Pattern for StarsRandom<N> {
+    type Strip = Strip<N>;
+    fn init(&mut self) -> Option<Self::Strip> {
+        if let Some(color) = self.background_color {
+            self.strip = Strip::<N>::new(color);
+            let red = (self.color.red as i16 - color.red as i16) as i8;
+            let green = (color.green as i16 - self.color.green as i16) as i8;
+            let blue = (self.color.blue as i16 - color.blue as i16) as i8;
+            println!("{} {} {}", red, green, blue);
+            self.step = (
+                red / self.steps as i8,
+                green / self.steps as i8,
+                blue / self.steps as i8,
+            );
+            Some(self.strip)
+        } else {
+            self.step = (
+                -((self.color.red / self.steps as u8) as i8),
+                -((self.color.green / self.steps as u8) as i8),
+                -((self.color.blue / self.steps as u8) as i8),
+            );
+            None
+        }
+    }
+    impl_pattern_last_iteration!(StarsRandom);
+}
+
+impl<const N: usize> Iterator for StarsRandom<N> {
+    type Item = Strip<N>;
+
+    fn next(&mut self) -> Option<Self::Item> {
+        if self.is_last_iteration() {
+            return None;
+        }
+
+        let mut rng = rand::thread_rng();
+        for i in 0..N {
+            let current_color = self.strip[i];
+            if current_color == self.background_color {
+                if rng.gen_bool(1.0 / self.ratio as f64) {
+                    self.strip[i] = Some(self.color);
+                }
+            } else {
+                let color = current_color.unwrap();
+                let background = self.background_color.unwrap_or(PixelColor::default());
+                let distance = PixelColor {
+                    red: self.step.0.abs() as u8,
+                    green: self.step.1.abs() as u8,
+                    blue: self.step.2.abs() as u8,
+                };
+                if color.is_closer(background, distance) {
+                    self.strip[i] = self.background_color;
+                } else {
+                    self.strip[i] = Some(color.delta(self.step));
+                }
+            }
+        }
+
+        self.current_iteration += 1;
+        Some(self.strip)
+    }
+}

src/runner.rs

@@ -1,4 +1,4 @@
-use crate::config::Config;
+use crate::config::Device;
 use crate::patterns::{Pattern, Patterns, PixelColor};
 use crate::Strip;
 use bluer::Address;
@@ -90,7 +90,7 @@ impl<const N: usize> Spectacle<N> {
                 blue: 0,
             }));
             self.runners.insert(runner.clone(), (tx, rx.clone()));
-            self.channels.insert(mac_address, rx);
+            self.channels.insert(mac_address, rx.clone());
         }
     }
 
@@ -100,20 +100,10 @@ impl<const N: usize> Spectacle<N> {
             green: 0,
             blue: 255,
         }));
-        // self.tasks.push(runner.runner_loop(tx));
         self.default_runner = Some((runner, tx));
         self.default_receiver = Some(rx);
     }
 
-    // pub fn nbr_tasks(&self) -> usize {
-    //     let mut nbr = 0;
-    //     if self.default_receiver.is_some() {
-    //         nbr += 1;
-    //     }
-    //     nbr += self.runners.len();
-    //     nbr
-    // }
-
     pub fn get_channel(&self, mac_address: &Address) -> Option<Receiver<Strip<N>>> {
         let channel = self.channels.get(mac_address);
         match channel {
@@ -143,7 +133,7 @@ impl<const N: usize> Spectacle<N> {
             println!("add default runner loop");
         }
 
-        for (runner, (tx, _)) in self.runners.drain().take(1) {
+        for (runner, (tx, _)) in self.runners.drain().into_iter() {
             joinhandles.push(runner_loop(runner.clone(), tx));
             println!("add custom runner loop");
         }
@@ -151,8 +141,8 @@ impl<const N: usize> Spectacle<N> {
     }
 }
 
-impl<const N: usize> From<Config<N>> for Spectacle<N> {
+impl<const N: usize> From<Vec<Device<N>>> for Spectacle<N> {
-    fn from(config: Config<N>) -> Self {
+    fn from(config: Vec<Device<N>>) -> Self {
         let mut spectacle: Spectacle<N> = Spectacle::default();
         for device in config {
             if let Some(mac_addresses) = device.mac_addresses {