59 lines
1.5 KiB
Rust
59 lines
1.5 KiB
Rust
use nannou::prelude::*;
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use utils::*;
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fn main() {
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nannou::app(model).update(update).simple_window(view).run();
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}
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struct Model {}
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fn model(_app: &App) -> Model {
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Model {}
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}
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fn update(_app: &App, _model: &mut Model, _update: Update) {}
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const D: f32 = 300.0;
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fn view(app: &App, _model: &Model, frame: Frame) {
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let t = frame.nth() as f32 / 60.0;
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let draw = app.draw();
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draw.background().color(SNOW);
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let div = map_cos(t, 2.0, 50.0).floor() as i32;
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let offset = D / div as f32;
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let resolution = map_cos(t, 5.0, 50.0).floor() * 2.0;
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for i in (0..=div).rev() {
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let fi = i as f32;
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draw.scissor(Rect::from_corners(vec2(-D, 0.0), vec2(D, D)))
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.ellipse()
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.resolution(resolution)
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.w_h(offset * fi, offset * fi)
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.x(offset * (div as f32 - fi) / 2.0)
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.color(srgb(
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i as f32 / div as f32,
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0.0,
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(div - i + 1) as f32 / div as f32,
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));
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}
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for i in (0..=div).rev() {
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let fi = i as f32;
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draw.scissor(Rect::from_corners(vec2(D, 0.0), vec2(-D, -D)))
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.ellipse()
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.resolution(resolution)
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.w_h(offset * fi, offset * fi)
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.x(-offset * (div as f32 - fi) / 2.0)
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.color(srgb(
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(div - i + 1) as f32 / div as f32,
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0.0,
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i as f32 / div as f32,
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));
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}
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draw.to_frame(app, &frame).unwrap();
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utils::record::record(app, &frame);
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}
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