[spircles] a

Cargo.lock

@@ -169,13 +169,6 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fd16c4719339c4530435d38e511904438d07cce7950afa3718a84ac36c10e89e"
 
-[[package]]
-name = "circle"
-version = "0.1.0"
-dependencies = [
- "nannou",
-]
-
 [[package]]
 name = "clipboard-win"
 version = "2.2.0"
@@ -2302,6 +2295,13 @@ dependencies = [
  "smithay-client-toolkit 0.6.6",
 ]
 
+[[package]]
+name = "spircles"
+version = "0.1.0"
+dependencies = [
+ "nannou",
+]
+
 [[package]]
 name = "spirv_cross"
 version = "0.23.1"

crates/spircles/Cargo.toml

@@ -0,0 +1,7 @@
+[package]
+name = "spircles"
+version = "0.1.0"
+edition = "2018"
+
+[dependencies]
+nannou = "0.17"

crates/spircles/src/main.rs

@@ -0,0 +1,83 @@
+use nannou::prelude::*;
+
+fn main() {
+    nannou::app(model).update(update).simple_window(view).run();
+}
+
+struct Model {}
+
+fn model(_app: &App) -> Model {
+    Model {}
+}
+
+fn update(_app: &App, _model: &mut Model, _update: Update) {}
+
+const fn color(red: u8, green: u8, blue: u8) -> Rgb<u8> {
+    Rgb {
+        red,
+        green,
+        blue,
+        standard: std::marker::PhantomData::<nannou::color::encoding::Srgb>,
+    }
+}
+
+const BG: Rgb<u8> = color(0, 5, 5);
+const BALL: Rgb<u8> = color(255, 255, 255);
+
+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),
+];
+
+const fn sm_color(i: i32, j: i32) -> Rgb<u8> {
+    if i == 0 && j == 0 {
+        BG
+    } else {
+        BALL
+    }
+}
+const fn bg_color(i: i32, j: i32) -> Rgb<u8> {
+    if i == 0 && j == 0 {
+        return BALL;
+    }
+
+    let x = i * i * i * j + j * j + 3 + i + j + i * j;
+    COLORS[x.abs() as usize % COLORS.len()]
+}
+
+fn view(app: &App, _model: &Model, frame: Frame) {
+    let draw = app.draw();
+
+    draw.background().color(BG);
+
+    for i in -4..=4 {
+        for j in -4..=4 {
+            let speed = map_range((i + j).abs() as f32, 0.0, 8.0, 0.1, 2.0);
+            let dis = (app.time * speed).sin() * 10.0;
+
+            let circ_offset = vec2(
+                (app.time + (i * i) as f32).sin() * dis,
+                (app.time + (j * i) as f32).cos() * dis,
+            );
+
+            let x = i as f32 * 100.0 * (app.time * 0.7).sin();
+            let y = j as f32 * 100.0 * (app.time * 0.7).cos();
+
+            draw.ellipse()
+                .w_h(40.0, 40.0)
+                .x_y(x + circ_offset.x, y + circ_offset.y)
+                .color(bg_color(i, j));
+            draw.ellipse()
+                .w_h(10.0, 10.0)
+                .x_y(x, y)
+                .color(sm_color(i, j));
+        }
+    }
+
+    draw.to_frame(app, &frame).unwrap();
+}