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feat: add more presets

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surv
2026-09-16 15:32:13 +02:00
parent f373db91e6
commit ad63a1da09
1 changed files with 99 additions and 38 deletions
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src/app.rs
+99 -38
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@@ -57,42 +57,91 @@ fn kind_label(kind: FractalKind) -> &'static str {
.unwrap_or("Mandelbrot")
}
type JuliaPreset = (&'static str, f64, f64, u32, Option<(f64, f64)>);
/// Nice-looking Julia constants offered as presets.
const JULIA_PRESETS: &[(&str, f64, f64)] = &[
("dendrite", -0.8, 0.156),
("rabbit", -0.123, 0.745),
("spiral", -0.4, 0.6),
("san marco", -0.75, 0.0),
("siegel", -0.391, -0.587),
const JULIA_PRESETS: [&[JuliaPreset]; FractalKind::Phoenix as usize + 1] = [
&[
("dendrite", -0.8, 0.156, 400, None),
("rabbit", -0.123, 0.745, 400, None),
("spiral", -0.4, 0.6, 400, None),
("san marco", -0.75, 0.0, 400, None),
("siegel", -0.391, -0.587, 400, None),
],
&[("eyes", -0.241, 0.157, 1000, None)],
&[("pools", -0.50381, 0.07750, 400, None)],
&[],
&[],
&[],
&[],
&[
("archipelago 1", -0.415, -0.267, 500, Some((-0.556, 0.253))),
("archipelago 2", -0.556, 0.253, 500, Some((-0.415, -0.267))),
],
];
/// Curated beautiful Mandelbrot locations offered as one-click presets.
type SetPreset = (
&'static str,
&'static str,
&'static str,
f64,
u32,
Option<(f64, f64)>,
);
/// Curated beautiful locations offered as one-click presets.
/// Each is `(name, center_re, center_im, half_height, iterations)`; the centers
/// are decimals parsed at full precision so deep places stay sharp.
const MANDEL_PLACES: &[(&str, &str, &str, f64, u32)] = &[
(
"Seahorse Valley",
"-0.743643887037158704752191506114774",
"0.131825904205311970493132056385139",
4.0e-6,
const SET_PRESETS: [&[SetPreset]; FractalKind::Phoenix as usize + 1] = [
&[
(
"Seahorse Valley",
"-0.743643887037158704752191506114774",
"0.131825904205311970493132056385139",
4.0e-6,
1500,
None,
),
(
"Elephant Valley",
"0.2549870375144766",
"0.0005679790528465",
6.0e-5,
2000,
None,
),
("Scepter Valley", "-1.36012", "0.0406", 2.5e-4, 2000, None),
("Starburst", "-1.62917", "0.0203968", 1.5e-3, 1500, None),
(
"Deep Spiral",
"-0.7436438870371587",
"0.1318259042053",
8.0e-8,
10000,
None,
),
],
&[(
"Ship",
"-1.76485017213465",
"-0.0317013204392752",
5.3e-2,
1500,
),
(
"Elephant Valley",
"0.2549870375144766",
"0.0005679790528465",
6.0e-5,
2000,
),
("Scepter Valley", "-1.360022", "0.041", 3.0e-4, 2000),
("Starburst", "-1.62917", "0.0203968", 1.5e-3, 1500),
(
"Deep Spiral",
"-0.7436438870371587",
"0.1318259042053",
8.0e-8,
3000,
),
None,
)],
&[],
&[],
&[],
&[],
&[],
&[(
"Galaxy",
"-0.2165696026100408",
"-0.0676553191878954",
5e-1,
1000,
Some((-0.9, -0.49)),
)],
];
/// Parameters a reference orbit was (or will be) computed for. Used to decide
@@ -1099,21 +1148,33 @@ impl FractalApp {
);
ui.label("i");
});
ui.horizontal_wrapped(|ui| {
for &(name, re, im) in JULIA_PRESETS {
if ui.small_button(name).clicked() {
self.julia_c = (re, im);
if !JULIA_PRESETS[self.kind as usize].is_empty() {
ui.horizontal_wrapped(|ui| {
for &(name, re, im, iterations, phoenix) in JULIA_PRESETS[self.kind as usize] {
if ui.small_button(name).clicked() {
self.julia_c = (re, im);
self.max_iterations = iterations.clamp(32, MAX_REF_POINTS as u32 - 1);
if let Some(phoenix) = phoenix {
self.phoenix_p = phoenix;
}
}
}
}
});
});
}
}
if self.mode == FractalMode::Mandelbrot && self.kind == FractalKind::Mandelbrot {
if self.mode == FractalMode::Mandelbrot && !SET_PRESETS[self.kind as usize].is_empty() {
ui.label("places:");
ui.horizontal_wrapped(|ui| {
for &(name, re, im, half_height, iter) in MANDEL_PLACES {
for &(name, re, im, half_height, iter, phoenix) in SET_PRESETS[self.kind as usize] {
if ui.small_button(name).clicked() {
self.go_to_place(re, im, half_height, iter);
if let Some(phoenix) = phoenix {
self.phoenix_p = phoenix;
}
}
}
});