From 505135b4d54cad166b999d2d5d6a3bb7590735d2 Mon Sep 17 00:00:00 2001
From: djmil <andriy@djmil.dev>
Date: Sat, 31 Aug 2024 19:44:35 +0200
Subject: [PATCH] Punch direction vector

Draw punch vector ontop of circles (for better visibility)
---
 src/app.rs | 31 +++++++++++++------------------
 1 file changed, 13 insertions(+), 18 deletions(-)

diff --git a/src/app.rs b/src/app.rs
index 983f36b..0dd1b52 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -91,7 +91,6 @@ impl eframe::App for Simulation {
         egui::CentralPanel::default().show(ctx, |ui| {
             // The central panel the region left after adding TopPanel's and SidePanel's
 
-            // Simulatiom
             ui.horizontal(|ui| {
                 ui.label("Click on circles or press");
 
@@ -114,6 +113,15 @@ impl eframe::App for Simulation {
 
             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| (
                 input.pointer.hover_pos(), 
                 input.pointer.any_down(), 
@@ -121,14 +129,13 @@ impl eframe::App for Simulation {
             ));
 
             if let Some(mousepos) = hover_pos {
-                
                 self.circles.iter_mut().for_each(|circle|{
                     let d = circle.c - mousepos;    
                     if d.length() < circle.r {             
                         if any_down {
                             painter.line_segment(
                             [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 {
@@ -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.with_layout(egui::Layout::bottom_up(egui::Align::LEFT), |ui| {
                 powered_by_egui_and_eframe(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.colors.push(
                     egui::Color32::from_rgba_premultiplied(
-                        rand::thread_rng().gen_range(64..255),
-                        rand::thread_rng().gen_range(64..255),
-                        rand::thread_rng().gen_range(64..255),
+                        rand::thread_rng().gen_range(0..255),
+                        rand::thread_rng().gen_range(0..255),
+                        rand::thread_rng().gen_range(0..255),
                         128)
                     );
             }