djmil/egui-circles
djmil/egui-circles
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Punch direction vector

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Draw punch vector ontop of circles (for better visibility)
This commit is contained in:
djmil 2024-08-31 19:44:35 +02:00
parent 7dc727104e
commit 505135b4d5
1 changed files with 13 additions and 18 deletions
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31
src/app.rs
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@ -91,7 +91,6 @@ impl eframe::App for Simulation {
egui::CentralPanel::default().show(ctx, |ui| { egui::CentralPanel::default().show(ctx, |ui| {
// The central panel the region left after adding TopPanel's and SidePanel's // The central panel the region left after adding TopPanel's and SidePanel's
// Simulatiom
ui.horizontal(|ui| { ui.horizontal(|ui| {
ui.label("Click on circles or press"); ui.label("Click on circles or press");
@ -114,6 +113,15 @@ impl eframe::App for Simulation {
let painter = ui.painter(); let painter = ui.painter();
for i in 0..min(self.circles.len(), self.colors.len()) {
painter.circle(
self.circles[i].c,
self.circles[i].r,
self.colors[i] /*Color32::TRANSPARENT*/,
Stroke{width: 2.0, color: Color32::from_rgb(100, 200, 200)}
);
}
let (hover_pos, any_down, any_released) = ctx.input(|input| ( let (hover_pos, any_down, any_released) = ctx.input(|input| (
input.pointer.hover_pos(), input.pointer.hover_pos(),
input.pointer.any_down(), input.pointer.any_down(),
@ -121,14 +129,13 @@ impl eframe::App for Simulation {
)); ));
if let Some(mousepos) = hover_pos { if let Some(mousepos) = hover_pos {
self.circles.iter_mut().for_each(|circle|{ self.circles.iter_mut().for_each(|circle|{
let d = circle.c - mousepos; let d = circle.c - mousepos;
if d.length() < circle.r { if d.length() < circle.r {
if any_down { if any_down {
painter.line_segment( painter.line_segment(
[circle.c, circle.c +d], [circle.c, circle.c +d],
Stroke{width: 3.0, color: Color32::from_rgb(255, 0, 0)}); Stroke{width: 1.5, color: Color32::from_rgb(255, 0, 0)});
} }
if any_released { if any_released {
@ -138,20 +145,8 @@ impl eframe::App for Simulation {
}); });
} }
for i in 0..min(self.circles.len(), self.colors.len()) {
painter.circle(
self.circles[i].c,
self.circles[i].r,
self.colors[i] /*Color32::TRANSPARENT*/,
Stroke{width: 2.0, color: Color32::from_rgb(200, 255, 255)}
);
}
// End simultion
ui.separator(); ui.separator();
ui.with_layout(egui::Layout::bottom_up(egui::Align::LEFT), |ui| { ui.with_layout(egui::Layout::bottom_up(egui::Align::LEFT), |ui| {
powered_by_egui_and_eframe(ui); powered_by_egui_and_eframe(ui);
egui::warn_if_debug_build(ui); egui::warn_if_debug_build(ui);
@ -167,9 +162,9 @@ impl eframe::App for Simulation {
self.circles.push(Circle::new(&ctx.used_rect())); self.circles.push(Circle::new(&ctx.used_rect()));
self.colors.push( self.colors.push(
egui::Color32::from_rgba_premultiplied( egui::Color32::from_rgba_premultiplied(
rand::thread_rng().gen_range(64..255), rand::thread_rng().gen_range(0..255),
rand::thread_rng().gen_range(64..255), rand::thread_rng().gen_range(0..255),
rand::thread_rng().gen_range(64..255), rand::thread_rng().gen_range(0..255),
128) 128)
); );
} }