mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-05 22:18:16 +00:00
212391fc37
[no changelog]
97 lines
2.5 KiB
Rust
97 lines
2.5 KiB
Rust
use gnuplot::{AutoOption, AxesCommon, Color, Figure, LineWidth};
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fn main() {
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let mut plots = Plots { plots: Vec::new() };
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plots.add("id", pareen::id());
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plots.add("lerp between 2 and 4", pareen::lerp(2.0, 4.0));
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plots.add(
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"dynamic lerp between sin^2 and cos",
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pareen::circle().sin().powi(2).lerp(pareen::circle().cos()),
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);
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plots.add(
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"dynamic lerp, squeezed into [0.5 .. 1]",
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pareen::circle()
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.sin()
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.powi(2)
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.lerp(pareen::circle().cos())
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.squeeze_and_surround(0.5..=1.0, 0.0),
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);
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plots.add(
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"switch from 1 to 2 at time=0.5",
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pareen::constant(1.0).switch(0.5, 2.0),
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);
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#[cfg(feature = "easer")]
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plots.add(
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"ease transition from 2 to a proportional anim",
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pareen::constant(2.0).seq_ease_in_out(
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0.5,
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easer::functions::Cubic,
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0.3,
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pareen::prop(1.0f32),
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),
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);
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plots.show_gnuplot();
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}
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fn sample(
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n: usize,
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max_t: f32,
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anim: pareen::Anim<impl pareen::Fun<T = f32, V = f32>>,
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) -> (Vec<f32>, Vec<f32>) {
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let mut ts = Vec::new();
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let mut vs = Vec::new();
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for i in 0..=n {
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let time = i as f32 / n as f32 * max_t;
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let value = anim.eval(time);
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ts.push(time);
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vs.push(value);
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}
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(ts, vs)
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}
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struct Plot {
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name: &'static str,
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ts: Vec<f32>,
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vs: Vec<f32>,
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}
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struct Plots {
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plots: Vec<Plot>,
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}
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impl Plots {
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fn add(&mut self, name: &'static str, anim: pareen::Anim<impl pareen::Fun<T = f32, V = f32>>) {
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let (ts, vs) = sample(1000, 1.0, anim);
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self.plots.push(Plot { name, ts, vs });
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}
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fn show_gnuplot(&self) {
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let mut figure = Figure::new();
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// Show plots in a square rows/columns layout
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let n_cols = (self.plots.len() as f32).sqrt() as u32;
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let n_rows = (self.plots.len() as f32).sqrt().ceil() as u32;
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for (i, plot) in self.plots.iter().enumerate() {
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figure
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.axes2d()
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.lines(&plot.ts, &plot.vs, &[Color("blue"), LineWidth(3.0)])
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.set_title(&plot.name, &[])
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.set_x_label("time", &[])
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.set_y_label("value", &[])
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.set_x_ticks(Some((AutoOption::Fix(0.5), 0)), &[], &[])
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.set_y_ticks(Some((AutoOption::Fix(0.5), 0)), &[], &[])
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.set_pos_grid(n_rows, n_cols, i as u32);
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}
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figure.show().unwrap();
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}
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}
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