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feat(ui): add Accretion Disk card with color-mode/temp interaction

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Temperature disabled (not hidden) when color mode = Gradient, so the
user sees their value. Log-scale slider for the 1000-50000K range.
This commit is contained in:
xfy 2026-07-17 15:53:24 +08:00
parent 34fa609a7d
commit 2e2a2a1baf
1 changed files with 39 additions and 1 deletions
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40
src/ui/sections.rs
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@ -6,7 +6,7 @@ use bevy_egui::egui;
use crate::camera::OrbitCamera;
use crate::params::{
AaQuality, BlackHoleParams, BloomQuality,
AaQuality, BlackHoleParams, BloomQuality, DiskColorMode,
};
use crate::ui::style::MUTED_TEXT;
@ -117,3 +117,41 @@ pub fn section_quality(ui: &mut egui::Ui, params: &mut BlackHoleParams) {
.small().color(MUTED_TEXT),
);
}
pub fn section_disk(ui: &mut egui::Ui, params: &mut BlackHoleParams) {
egui::Grid::new("disk_grid").num_columns(2).spacing([8.0, 4.0])
.show(ui, |ui| {
row(ui, "Outer radius", |ui| ui.add_sized([140.0, 16.0],
egui::Slider::new(&mut params.disk_outer, 6.0..=50.0)
.suffix(" r_g").fixed_decimals(1)));
row(ui, "Tilt", |ui| ui.add_sized([140.0, 16.0],
egui::Slider::new(&mut params.disk_tilt, 0.0..=PI)
.suffix(" rad").fixed_decimals(2)));
row(ui, "Brightness", |ui| ui.add_sized([140.0, 16.0],
egui::Slider::new(&mut params.disk_brightness, 0.0..=3.0).fixed_decimals(2)));
row(ui, "Rotation", |ui| ui.add_sized([140.0, 16.0],
egui::Slider::new(&mut params.disk_rotation_speed, 0.0..=3.0).fixed_decimals(2)));
// Color model combobox.
let mut cm = params.disk_color_mode;
ui.label("Color model");
egui::ComboBox::from_id_salt("disk_color_combo")
.selected_text(format!("{:?}", cm))
.show_ui(ui, |ui| {
ui.selectable_value(&mut cm, DiskColorMode::Gradient, "Gradient");
ui.selectable_value(&mut cm, DiskColorMode::Blackbody, "Blackbody");
});
ui.end_row();
params.disk_color_mode = cm;
});
// Temperature only meaningful in Blackbody mode — disable (not hide) so
// the user sees their value while briefly in Gradient.
let blackbody = params.disk_color_mode == DiskColorMode::Blackbody;
ui.add_enabled(
blackbody,
egui::Slider::new(&mut params.disk_temp, 1000.0..=50000.0)
.suffix(" K")
.logarithmic(true)
.fixed_decimals(0)
.text("Temperature"),
);
}