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use std::cell::RefCell;
use crate::{GameState, eguictx::EguiCtx, solar_system, ui};
#[derive(Default, Clone)]
pub struct CameraWindowState
{
pub camera_scale: f32,
pub camera_pos: Option<cgmath::Vector3<f64>>,
pub camera_rot: Option<cgmath::Vector2<cgmath::Rad<f32>>>,
pub target: Option<solar_system::BodyId>,
}
impl CameraWindowState
{
pub fn render(
ui_state: &mut ui::State,
game_state: &RefCell<GameState>,
eguictx: &EguiCtx)
{
if ui_state.current_system.is_none() {
return;
}
let camera_state = &mut ui_state.camera_info;
let game_state = game_state.borrow();
let current_system = &game_state.solar_systems()[ui_state.current_system.unwrap()];
egui::Window::new("Camera Info").show(eguictx.context(), |ui| {
ui.vertical(|ui| {
let selected_body_label = match camera_state.target {
Some(id) => current_system.bodies()[id].name(),
None => ""
};
ui.separator();
egui::ComboBox::from_label("Camera Target")
.selected_text(selected_body_label)
.show_ui(ui, |ui| {
for (i, body) in current_system.bodies().iter().enumerate() {
ui.selectable_value(
&mut camera_state.target,
Some(i),
body.name());
}
});
ui.label(format!("Scale: {}", camera_state.camera_scale));
match camera_state.camera_pos {
Some(pos) => { ui.label(format!("Pos x:{:^10} y:{:^10} z:{:^10}",
pos.x,
pos.y,
pos.z
)); },
None => {}
}
match camera_state.camera_rot {
Some(rot) => {
ui.label(format!("pitch:{:^10} yaw:{:^10}",
rot.y.0,
rot.x.0,
));
},
None => {}
}
});
});
}
}
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