subtitled #12

Cargo.lock

@@ -1188,6 +1188,12 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "libm"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c7d73b3f436185384286bd8098d17ec07c9a7d2388a6599f824d8502b529702a"
+
 [[package]]
 name = "line_drawing"
 version = "0.7.0"
@@ -1649,6 +1655,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
 dependencies = [
  "autocfg",
+ "libm",
 ]
 
 [[package]]
@@ -2027,6 +2034,16 @@ dependencies = [
  "getrandom 0.2.3",
 ]
 
+[[package]]
+name = "rand_distr"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "051b398806e42b9cd04ad9ec8f81e355d0a382c543ac6672c62f5a5b452ef142"
+dependencies = [
+ "num-traits",
+ "rand 0.8.4",
+]
+
 [[package]]
 name = "rand_hc"
 version = "0.2.0"
@@ -2364,6 +2381,15 @@ dependencies = [
  "utils",
 ]
 
+[[package]]
+name = "subtitled12"
+version = "0.1.0"
+dependencies = [
+ "nannou",
+ "rand_distr",
+ "utils",
+]
+
 [[package]]
 name = "subtitled2"
 version = "0.1.0"

crates/subtitled12/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "subtitled12"
+version = "0.1.0"
+edition = "2018"
+
+[dependencies]
+nannou = "0.17"
+rand_distr = "0.4.1"
+utils = { path = "../utils" }

crates/subtitled12/src/main.rs

@@ -0,0 +1,67 @@
+use nannou::prelude::*;
+use nannou::rand::prelude::*;
+use rand_distr::Normal;
+use utils::*;
+
+fn main() {
+    nannou::app(model).update(update).simple_window(view).run();
+}
+
+struct Model {
+    lines: Vec<Vec<Vec2>>,
+}
+
+fn lines(max_width: f32) -> Vec<Vec<Vec2>> {
+    let normal = Normal::new(0.0, 0.2).unwrap();
+
+    (0..20)
+        .map(|_| {
+            let mut line = vec![Vec2::Y];
+
+            // generate the y coordinates for all points
+            let n = random_range(4, 12);
+            let mut ys = (0..n).map(|_| random_range(-1.0, 1.0)).collect::<Vec<_>>();
+            ys.sort_by(|a, b| b.partial_cmp(a).unwrap());
+
+            // make the actual points and add them to the vec
+            for y in ys {
+                let w = map_range(1.0 - y.abs(), 0.0, 1.0, 0.01, max_width);
+                let x = nannou::rand::thread_rng().sample::<f32, _>(normal) * w;
+                line.push(vec2(x, y));
+            }
+
+            line.push(-Vec2::Y);
+
+            line
+        })
+        .collect()
+}
+
+fn model(_app: &App) -> Model {
+    Model { lines: lines(0.0) }
+}
+
+fn update(app: &App, model: &mut Model, _update: Update) {
+    let t = app.elapsed_frames() as f32 / 60.0;
+
+    if app.elapsed_frames() % 2 == 0 {
+        model.lines = lines(map_sin(t, 0.1, 1.0));
+    }
+}
+
+fn view(app: &App, model: &Model, frame: Frame) {
+    let _t = frame.nth() as f32 / 60.0;
+
+    let draw = app.draw();
+    draw.background().color(BLACK);
+
+    for line in &model.lines {
+        draw.polyline()
+            .stroke_weight(1.0)
+            .points(line.iter().map(|v| *v * 300.0))
+            .color(PINK);
+    }
+
+    draw.to_frame(app, &frame).unwrap();
+    utils::record::record(app, &frame);
+}