57 lines
1.9 KiB
Rust
57 lines
1.9 KiB
Rust
use std::time::Instant;
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use eframe::{
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egui::{self, Frame},
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epaint::Color32,
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Frame as EFrame,
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};
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use super::{state::*, Timer};
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use crate::{MAX_REPAINT, MIN_REPAINT};
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const STARTING_COLOR: &[f32; 3] = &[10.0, 4.0, 14.0];
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const UNIT_COLOR: &[f32; 3] = &[0.986, 0.154, 0.055]; // [160, 125, 9].normalize()
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impl eframe::App for Timer {
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fn update(&mut self, ctx: &egui::Context, frame: &mut EFrame) {
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ctx.request_repaint_after(MAX_REPAINT);
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let height = ctx.input().screen_rect().height();
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let t = self.done.powi(3);
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let color = get_color(t);
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egui::CentralPanel::default()
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.frame(Frame::none().fill(color))
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.show(ctx, |ui| {
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match self.state {
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TimerState::Unstarted => self.unstarted(ui, height),
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TimerState::Running(cs) => {
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let dur = Instant::now() - cs.updated;
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let dur = MIN_REPAINT.saturating_sub(dur);
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ctx.request_repaint_after(dur);
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self.running(ui, height, cs);
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}
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TimerState::Paused(cs) => self.paused(ui, height, cs),
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TimerState::Finished => self.finished(ui, height),
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}
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// check for quit key
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if ui.input().key_pressed(egui::Key::Q) || ui.input().key_pressed(egui::Key::Escape)
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{
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frame.close();
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}
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});
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}
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}
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fn get_color(t: f32) -> Color32 {
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let [sr, sg, sb] = STARTING_COLOR;
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let [ur, ug, ub] = UNIT_COLOR;
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let mag = t * 162.0;
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let (r, g, b) = (
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(sr + (mag * ur).round()) as u8,
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(sg + (mag * ug).round()) as u8,
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(sb + (mag * ub).round()) as u8,
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);
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// when t is 1.0, then the final color is roughly 170, 29, 23.
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Color32::from_rgb(r, g, b)
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}
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