Extract animations into a subcrate

bike-lights/core/src/animations/blinker.rs

@@ -0,0 +1,121 @@
+use fixed::types::U16F0;
+
+use crate::{
+    calculate_frames, Animation, BodyPattern, DashboardPattern, Fade, FadeDirection, Instant, BLINKER_FRAMES, LEFT_BLINKER_BODY, LEFT_BLINKER_DASHBOARD, OFF_BODY, OFF_DASHBOARD, RIGHT_BLINKER_BODY, RIGHT_BLINKER_DASHBOARD
+};
+
+pub enum BlinkerDirection {
+    Left,
+    Right,
+}
+
+pub struct Blinker {
+    transition: Fade,
+    fade_in: Fade,
+    fade_out: Fade,
+    direction: FadeDirection,
+
+    start_time: Instant,
+    frames: U16F0,
+}
+
+impl Blinker {
+    pub fn new(
+        starting_dashboard: DashboardPattern,
+        starting_body: BodyPattern,
+        direction: BlinkerDirection,
+        time: Instant,
+    ) -> Self {
+        let mut ending_dashboard = OFF_DASHBOARD.clone();
+
+        match direction {
+            BlinkerDirection::Left => {
+                ending_dashboard[0].r = LEFT_BLINKER_DASHBOARD[0].r;
+                ending_dashboard[0].g = LEFT_BLINKER_DASHBOARD[0].g;
+                ending_dashboard[0].b = LEFT_BLINKER_DASHBOARD[0].b;
+            }
+            BlinkerDirection::Right => {
+                ending_dashboard[2].r = RIGHT_BLINKER_DASHBOARD[2].r;
+                ending_dashboard[2].g = RIGHT_BLINKER_DASHBOARD[2].g;
+                ending_dashboard[2].b = RIGHT_BLINKER_DASHBOARD[2].b;
+            }
+        }
+
+        let mut ending_body = OFF_BODY.clone();
+        match direction {
+            BlinkerDirection::Left => {
+                for i in 0..30 {
+                    ending_body[i].r = LEFT_BLINKER_BODY[i].r;
+                    ending_body[i].g = LEFT_BLINKER_BODY[i].g;
+                    ending_body[i].b = LEFT_BLINKER_BODY[i].b;
+                }
+            }
+            BlinkerDirection::Right => {
+                for i in 30..60 {
+                    ending_body[i].r = RIGHT_BLINKER_BODY[i].r;
+                    ending_body[i].g = RIGHT_BLINKER_BODY[i].g;
+                    ending_body[i].b = RIGHT_BLINKER_BODY[i].b;
+                }
+            }
+        }
+
+        Blinker {
+            transition: Fade::new(
+                starting_dashboard.clone(),
+                starting_body.clone(),
+                ending_dashboard.clone(),
+                ending_body.clone(),
+                BLINKER_FRAMES,
+                time,
+            ),
+            fade_in: Fade::new(
+                OFF_DASHBOARD.clone(),
+                OFF_BODY.clone(),
+                ending_dashboard.clone(),
+                ending_body.clone(),
+                BLINKER_FRAMES,
+                time,
+            ),
+            fade_out: Fade::new(
+                ending_dashboard.clone(),
+                ending_body.clone(),
+                OFF_DASHBOARD.clone(),
+                OFF_BODY.clone(),
+                BLINKER_FRAMES,
+                time,
+            ),
+            direction: FadeDirection::Transition,
+            start_time: time,
+            frames: BLINKER_FRAMES,
+        }
+    }
+}
+
+impl Animation for Blinker {
+    fn tick(&mut self, time: Instant) -> (DashboardPattern, BodyPattern) {
+        let frames = calculate_frames(self.start_time.0, time.0);
+        if frames > self.frames {
+            match self.direction {
+                FadeDirection::Transition => {
+                    self.direction = FadeDirection::FadeOut;
+                    self.fade_out.start_time = time;
+                }
+                FadeDirection::FadeIn => {
+                    self.direction = FadeDirection::FadeOut;
+                    self.fade_out.start_time = time;
+                }
+                FadeDirection::FadeOut => {
+                    self.direction = FadeDirection::FadeIn;
+                    self.fade_in.start_time = time;
+                }
+            }
+            self.start_time = time;
+        }
+
+        match self.direction {
+            FadeDirection::Transition => self.transition.tick(time),
+            FadeDirection::FadeIn => self.fade_in.tick(time),
+            FadeDirection::FadeOut => self.fade_out.tick(time),
+        }
+    }
+}

bike-lights/core/src/animations/fade.rs

@@ -0,0 +1,100 @@
+use fixed::types::{I8F8, U16F0};
+
+use crate::{calculate_frames, calculate_slope, linear_ease, Animation, BodyPattern, DashboardPattern, Instant, OFF_BODY, OFF_DASHBOARD, RGB};
+
+pub struct Fade {
+    starting_dashboard: DashboardPattern,
+    starting_lights: BodyPattern,
+
+    pub start_time: Instant,
+    dashboard_slope: [RGB<I8F8>; 3],
+    body_slope: [RGB<I8F8>; 60],
+    frames: U16F0,
+}
+
+impl Fade {
+    pub fn new(
+        dashboard: DashboardPattern,
+        lights: BodyPattern,
+        ending_dashboard: DashboardPattern,
+        ending_lights: BodyPattern,
+        frames: U16F0,
+        time: Instant,
+    ) -> Self {
+        let mut dashboard_slope = [Default::default(); 3];
+        let mut body_slope = [Default::default(); 60];
+        for i in 0..3 {
+            let slope = RGB {
+                r: calculate_slope(dashboard[i].r, ending_dashboard[i].r, frames),
+                g: calculate_slope(dashboard[i].g, ending_dashboard[i].g, frames),
+                b: calculate_slope(dashboard[i].b, ending_dashboard[i].b, frames),
+            };
+            dashboard_slope[i] = slope;
+        }
+
+        for i in 0..60 {
+            let slope = RGB {
+                r: calculate_slope(lights[i].r, ending_lights[i].r, frames),
+                g: calculate_slope(lights[i].g, ending_lights[i].g, frames),
+                b: calculate_slope(lights[i].b, ending_lights[i].b, frames),
+            };
+            body_slope[i] = slope;
+        }
+
+        Self {
+            starting_dashboard: dashboard,
+            starting_lights: lights,
+            start_time: time,
+            dashboard_slope,
+            body_slope,
+            frames,
+        }
+    }
+}
+
+impl Animation for Fade {
+    fn tick(&mut self, time: Instant) -> (DashboardPattern, BodyPattern) {
+        let mut frames = calculate_frames(self.start_time.0, time.0);
+        if frames > self.frames {
+            frames = self.frames
+        }
+        let mut dashboard_pattern: DashboardPattern = OFF_DASHBOARD;
+        let mut body_pattern: BodyPattern = OFF_BODY;
+
+        for i in 0..3 {
+            dashboard_pattern[i].r = linear_ease(
+                self.starting_dashboard[i].r,
+                frames,
+                self.dashboard_slope[i].r,
+            );
+            dashboard_pattern[i].g = linear_ease(
+                self.starting_dashboard[i].g,
+                frames,
+                self.dashboard_slope[i].g,
+            );
+            dashboard_pattern[i].b = linear_ease(
+                self.starting_dashboard[i].b,
+                frames,
+                self.dashboard_slope[i].b,
+            );
+        }
+
+        for i in 0..60 {
+            body_pattern[i].r =
+                linear_ease(self.starting_lights[i].r, frames, self.body_slope[i].r);
+            body_pattern[i].g =
+                linear_ease(self.starting_lights[i].g, frames, self.body_slope[i].g);
+            body_pattern[i].b =
+                linear_ease(self.starting_lights[i].b, frames, self.body_slope[i].b);
+        }
+
+        (dashboard_pattern, body_pattern)
+    }
+}
+
+#[derive(Debug)]
+pub enum FadeDirection {
+    Transition,
+    FadeIn,
+    FadeOut,
+}

bike-lights/core/src/animations/flag_ripple.rs

@@ -0,0 +1,43 @@
+use crate::{Animation, BodyPattern, DashboardPattern, Instant};
+
+pub struct FlagRipple {
+    dashboard: DashboardPattern,
+    body: BodyPattern,
+
+    centers: [usize; 12],
+}
+
+impl FlagRipple {
+    fn new(dashboard: DashboardPattern, body: BodyPattern) -> Self {
+        Self {
+            dashboard,
+            body,
+            centers: [5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60],
+        }
+    }
+}
+
+impl Animation for FlagRipple {
+    fn tick(&mut self, time: Instant) -> (DashboardPattern, BodyPattern, Option<Animation>) {
+        // How does a flag ripple work? I think have some center points that are darker and have a
+        // bit of a darker pattern around them.
+
+        let mut body_pattern = self.body.clone();
+
+        for i in 0..60 {
+            if self.centers.contains(&i) {
+                body_pattern[i].r = self.body[i].r / 2;
+                body_pattern[i].g = self.body[i].g / 2;
+                body_pattern[i].b = self.body[i].b / 2;
+            } else {
+                body_pattern[i].r = self.body[i].r;
+                body_pattern[i].g = self.body[i].g;
+                body_pattern[i].b = self.body[i].b;
+            }
+        }
+
+        (self.dashboard, body_pattern, None)
+    }
+}
+
+

bike-lights/core/src/animations/mod.rs

@@ -0,0 +1,31 @@
+use fixed::types::{I48F16, I8F8, U128F0, U16F0};
+use az::*;
+
+use crate::{BodyPattern, DashboardPattern, Instant, FPS};
+
+mod blinker;
+pub use blinker::*;
+
+mod fade;
+pub use fade::*;
+
+pub trait Animation {
+    fn tick(&mut self, time: Instant) -> (DashboardPattern, BodyPattern);
+}
+
+pub fn linear_ease(value: I8F8, frames: U16F0, slope: I8F8) -> I8F8 {
+    let value_i16f16 = I48F16::from(value) + I48F16::from(frames) * I48F16::from(slope);
+    value_i16f16.saturating_as()
+}
+
+pub fn calculate_frames(starting_time: U128F0, now: U128F0) -> U16F0 {
+    let frames_128 = (now - starting_time) / U128F0::from(FPS);
+    (frames_128 % U128F0::from(U16F0::MAX)).cast()
+}
+
+pub fn calculate_slope(start: I8F8, end: I8F8, frames: U16F0) -> I8F8 {
+    let slope_i16f16 = (I48F16::from(end) - I48F16::from(start)) / I48F16::from(frames);
+    slope_i16f16.saturating_as()
+}
+
+

bike-lights/core/src/lib.rs

@@ -12,27 +12,15 @@ use core::{
 };
 use fixed::types::{I48F16, I8F8, U128F0, U16F0};
 
+mod animations;
+pub use animations::*;
+
 mod patterns;
 pub use patterns::*;
 
 mod types;
 pub use types::{BodyPattern, DashboardPattern, RGB};
 
-fn calculate_frames(starting_time: U128F0, now: U128F0) -> U16F0 {
-    let frames_128 = (now - starting_time) / U128F0::from(FPS);
-    (frames_128 % U128F0::from(U16F0::MAX)).cast()
-}
-
-fn calculate_slope(start: I8F8, end: I8F8, frames: U16F0) -> I8F8 {
-    let slope_i16f16 = (I48F16::from(end) - I48F16::from(start)) / I48F16::from(frames);
-    slope_i16f16.saturating_as()
-}
-
-fn linear_ease(value: I8F8, frames: U16F0, slope: I8F8) -> I8F8 {
-    let value_i16f16 = I48F16::from(value) + I48F16::from(frames) * I48F16::from(slope);
-    value_i16f16.saturating_as()
-}
-
 #[derive(Clone, Copy, PartialOrd, Ord, PartialEq, Eq)]
 pub struct Instant(pub U128F0);
 
@@ -65,233 +53,6 @@ pub trait UI {
     fn update_lights(&self, dashboard_lights: DashboardPattern, body_lights: BodyPattern);
 }
 
-pub trait Animation {
-    fn tick(&mut self, time: Instant) -> (DashboardPattern, BodyPattern);
-}
-
-/*
-pub struct DefaultAnimation {}
-
-impl Animation for DefaultAnimation {
-    fn tick(&mut self, _: Instant) -> (DashboardPattern, BodyPattern) {
-        (WATER_DASHBOARD, WATER_BODY)
-    }
-}
-*/
-
-pub struct Fade {
-    starting_dashboard: DashboardPattern,
-    starting_lights: BodyPattern,
-
-    start_time: Instant,
-    dashboard_slope: [RGB<I8F8>; 3],
-    body_slope: [RGB<I8F8>; 60],
-    frames: U16F0,
-}
-
-impl Fade {
-    fn new(
-        dashboard: DashboardPattern,
-        lights: BodyPattern,
-        ending_dashboard: DashboardPattern,
-        ending_lights: BodyPattern,
-        frames: U16F0,
-        time: Instant,
-    ) -> Self {
-        let mut dashboard_slope = [Default::default(); 3];
-        let mut body_slope = [Default::default(); 60];
-        for i in 0..3 {
-            let slope = RGB {
-                r: calculate_slope(dashboard[i].r, ending_dashboard[i].r, frames),
-                g: calculate_slope(dashboard[i].g, ending_dashboard[i].g, frames),
-                b: calculate_slope(dashboard[i].b, ending_dashboard[i].b, frames),
-            };
-            dashboard_slope[i] = slope;
-        }
-
-        for i in 0..60 {
-            let slope = RGB {
-                r: calculate_slope(lights[i].r, ending_lights[i].r, frames),
-                g: calculate_slope(lights[i].g, ending_lights[i].g, frames),
-                b: calculate_slope(lights[i].b, ending_lights[i].b, frames),
-            };
-            body_slope[i] = slope;
-        }
-
-        Self {
-            starting_dashboard: dashboard,
-            starting_lights: lights,
-            start_time: time,
-            dashboard_slope,
-            body_slope,
-            frames,
-        }
-    }
-}
-
-impl Animation for Fade {
-    fn tick(&mut self, time: Instant) -> (DashboardPattern, BodyPattern) {
-        let mut frames = calculate_frames(self.start_time.0, time.0);
-        if frames > self.frames {
-            frames = self.frames
-        }
-        let mut dashboard_pattern: DashboardPattern = OFF_DASHBOARD;
-        let mut body_pattern: BodyPattern = OFF_BODY;
-
-        for i in 0..3 {
-            dashboard_pattern[i].r = linear_ease(
-                self.starting_dashboard[i].r,
-                frames,
-                self.dashboard_slope[i].r,
-            );
-            dashboard_pattern[i].g = linear_ease(
-                self.starting_dashboard[i].g,
-                frames,
-                self.dashboard_slope[i].g,
-            );
-            dashboard_pattern[i].b = linear_ease(
-                self.starting_dashboard[i].b,
-                frames,
-                self.dashboard_slope[i].b,
-            );
-        }
-
-        for i in 0..60 {
-            body_pattern[i].r =
-                linear_ease(self.starting_lights[i].r, frames, self.body_slope[i].r);
-            body_pattern[i].g =
-                linear_ease(self.starting_lights[i].g, frames, self.body_slope[i].g);
-            body_pattern[i].b =
-                linear_ease(self.starting_lights[i].b, frames, self.body_slope[i].b);
-        }
-
-        (dashboard_pattern, body_pattern)
-    }
-}
-
-#[derive(Debug)]
-pub enum FadeDirection {
-    Transition,
-    FadeIn,
-    FadeOut,
-}
-
-pub enum BlinkerDirection {
-    Left,
-    Right,
-}
-
-pub struct Blinker {
-    transition: Fade,
-    fade_in: Fade,
-    fade_out: Fade,
-    direction: FadeDirection,
-
-    start_time: Instant,
-    frames: U16F0,
-}
-
-impl Blinker {
-    fn new(
-        starting_dashboard: DashboardPattern,
-        starting_body: BodyPattern,
-        direction: BlinkerDirection,
-        time: Instant,
-    ) -> Self {
-        let mut ending_dashboard = OFF_DASHBOARD.clone();
-
-        match direction {
-            BlinkerDirection::Left => {
-                ending_dashboard[0].r = LEFT_BLINKER_DASHBOARD[0].r;
-                ending_dashboard[0].g = LEFT_BLINKER_DASHBOARD[0].g;
-                ending_dashboard[0].b = LEFT_BLINKER_DASHBOARD[0].b;
-            }
-            BlinkerDirection::Right => {
-                ending_dashboard[2].r = RIGHT_BLINKER_DASHBOARD[2].r;
-                ending_dashboard[2].g = RIGHT_BLINKER_DASHBOARD[2].g;
-                ending_dashboard[2].b = RIGHT_BLINKER_DASHBOARD[2].b;
-            }
-        }
-
-        let mut ending_body = OFF_BODY.clone();
-        match direction {
-            BlinkerDirection::Left => {
-                for i in 0..30 {
-                    ending_body[i].r = LEFT_BLINKER_BODY[i].r;
-                    ending_body[i].g = LEFT_BLINKER_BODY[i].g;
-                    ending_body[i].b = LEFT_BLINKER_BODY[i].b;
-                }
-            }
-            BlinkerDirection::Right => {
-                for i in 30..60 {
-                    ending_body[i].r = RIGHT_BLINKER_BODY[i].r;
-                    ending_body[i].g = RIGHT_BLINKER_BODY[i].g;
-                    ending_body[i].b = RIGHT_BLINKER_BODY[i].b;
-                }
-            }
-        }
-
-        Blinker {
-            transition: Fade::new(
-                starting_dashboard.clone(),
-                starting_body.clone(),
-                ending_dashboard.clone(),
-                ending_body.clone(),
-                BLINKER_FRAMES,
-                time,
-            ),
-            fade_in: Fade::new(
-                OFF_DASHBOARD.clone(),
-                OFF_BODY.clone(),
-                ending_dashboard.clone(),
-                ending_body.clone(),
-                BLINKER_FRAMES,
-                time,
-            ),
-            fade_out: Fade::new(
-                ending_dashboard.clone(),
-                ending_body.clone(),
-                OFF_DASHBOARD.clone(),
-                OFF_BODY.clone(),
-                BLINKER_FRAMES,
-                time,
-            ),
-            direction: FadeDirection::Transition,
-            start_time: time,
-            frames: BLINKER_FRAMES,
-        }
-    }
-}
-
-impl Animation for Blinker {
-    fn tick(&mut self, time: Instant) -> (DashboardPattern, BodyPattern) {
-        let frames = calculate_frames(self.start_time.0, time.0);
-        if frames > self.frames {
-            match self.direction {
-                FadeDirection::Transition => {
-                    self.direction = FadeDirection::FadeOut;
-                    self.fade_out.start_time = time;
-                }
-                FadeDirection::FadeIn => {
-                    self.direction = FadeDirection::FadeOut;
-                    self.fade_out.start_time = time;
-                }
-                FadeDirection::FadeOut => {
-                    self.direction = FadeDirection::FadeIn;
-                    self.fade_in.start_time = time;
-                }
-            }
-            self.start_time = time;
-        }
-
-        match self.direction {
-            FadeDirection::Transition => self.transition.tick(time),
-            FadeDirection::FadeIn => self.fade_in.tick(time),
-            FadeDirection::FadeOut => self.fade_out.tick(time),
-        }
-    }
-}
-
 #[derive(Clone, Debug)]
 pub enum Event {
     Brake,