BGTU/networks-2.rs
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Bezier curves in graph

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This commit is contained in:
Andrew Golovashevich 2026-03-11 01:19:38 +03:00
parent 1ae3e520c1
commit eac140b26f
1 changed files with 17 additions and 3 deletions
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18
gui/egui/src/plot.rs
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@ -41,6 +41,20 @@ pub(crate) fn draw_plot(
), ),
time2color(current.1), time2color(current.1),
); );
let x_mid = gradient_f32(start.0.x, end.0.x, 0.5);
let start_bezier = Pos2::new(x_mid, start.0.y);
let end_bezier = Pos2::new(x_mid, end.0.y);
let bezier_calc = |ratio: f32| {
let p_0_0 = gradient_pos(start.0, start_bezier, ratio);
let p_0_1 = gradient_pos(start_bezier, end_bezier, ratio);
let p_0_2 = gradient_pos(end_bezier, end.0, ratio);
let p_1_0 = gradient_pos(p_0_0, p_0_1, ratio);
let p_1_1 = gradient_pos(p_0_1, p_0_2, ratio);
return gradient_pos(p_1_0, p_1_1, ratio);
};
for j in 0..(gradient_precision) { for j in 0..(gradient_precision) {
let gradient_precision = gradient_precision as f32; let gradient_precision = gradient_precision as f32;
@ -48,8 +62,8 @@ pub(crate) fn draw_plot(
let ratio2 = (j as f32 + 1.0) / gradient_precision; let ratio2 = (j as f32 + 1.0) / gradient_precision;
canvas.line_segment( canvas.line_segment(
[ [
gradient_pos(start.0, end.0, ratio1), bezier_calc(ratio1),
gradient_pos(start.0, end.0, ratio2), bezier_calc(ratio2),
], ],
Stroke::new(1.0, gradient_color(start.1, end.1, ratio1)), Stroke::new(1.0, gradient_color(start.1, end.1, ratio1)),
); );