subtitled3

Cargo.lock

@@ -2356,6 +2356,14 @@ dependencies = [
  "utils",
 ]
 
+[[package]]
+name = "subtitled3"
+version = "0.1.0"
+dependencies = [
+ "nannou",
+ "utils",
+]
+
 [[package]]
 name = "syn"
 version = "1.0.74"

README.md

@@ -6,3 +6,4 @@ this is a bunch of nannou projects
 
 - subtitled #1: some spinning circles
 - subtitled #2: idk spinning colors or something
+- subtitled #3: small flashing circles

crates/subtitled3/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "subtitled3"
+version = "0.1.0"
+edition = "2018"
+
+[dependencies]
+nannou = "0.17"
+utils = { path = "../utils" }

crates/subtitled3/src/main.rs

@@ -0,0 +1,77 @@
+use nannou::prelude::*;
+
+use utils::color::color;
+
+fn main() {
+    nannou::app(model).update(update).simple_window(view).run();
+}
+
+const COLORS: &[Rgb<u8>] = &[
+    color(125, 22, 22),
+    color(107, 19, 16),
+    color(69, 15, 16),
+    color(72, 0, 50),
+    color(223, 0, 84),
+    color(255, 139, 106),
+    color(255, 214, 194),
+];
+fn rand_col() -> Rgb<u8> {
+    COLORS[random_range(0, COLORS.len())]
+}
+
+struct Model {}
+
+fn model(_app: &App) -> Model {
+    Model {}
+}
+
+fn update(_app: &App, _model: &mut Model, _update: Update) {}
+
+const BG: Rgb<u8> = color(250, 235, 215);
+
+fn view(app: &App, _model: &Model, frame: Frame) {
+    let _t = frame.nth() as f32 / 60.0;
+
+    let draw = app.draw();
+
+    if frame.nth() == 1 {
+        draw.background().color(BG);
+    } else {
+        let win = app.window_rect();
+        draw.rect()
+            .wh(win.wh())
+            .color(srgba(1., 250.0 / 255.0, 250.0 / 255.0, 0.01));
+    }
+
+    let win = app.window_rect();
+    let xs = win.x.start;
+    let xe = win.x.end;
+    let ys = win.y.start;
+    let ye = win.y.end;
+
+    let points: Vec<_> = (0..200)
+        .map(|_| vec2(random_range(xs, xe), random_range(ys, ye)))
+        .collect();
+
+    for p in points {
+        draw.ellipse().xy(p).radius(10.0).color(rand_col());
+    }
+
+    macro_rules! big_circ {
+        ($draw:ident, $axis:ident, $from:expr) => {
+            let mut r = $from;
+            while r.abs() > 1. {
+                $draw.ellipse().$axis(r).radius(r / 2.0).color(BG);
+                r /= 2.0;
+            }
+        };
+    }
+    big_circ!(draw, x, 800.0);
+    big_circ!(draw, x, -800.0);
+    big_circ!(draw, y, 800.0);
+    big_circ!(draw, y, -800.0);
+
+    draw.to_frame(app, &frame).unwrap();
+
+    utils::record::record(app, &frame);
+}