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draw arc by lines instead of arc_2d

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This commit is contained in:
nquidox 2026-04-17 16:25:26 +03:00
parent a1180ea769
commit 0c7ceb5d8d
1 changed files with 22 additions and 7 deletions
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29
src/states/linear/systems.rs
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@ -22,13 +22,28 @@ pub fn draw_track_gizmos(track: Res<Track>, mut gizmos: Gizmos) {
PathSegment::Turn { radius, left } => {
// вычисляем нормаль, центр, угол поворота арки и знак
let arc = helper_arc_calculator(current_pos, current_dir, *left, *radius);
// арки никак не хотели вставать на свои места
// gizmos.arc_2d(
// Isometry2d::new(arc.center, Rot2::degrees(current_angle)),
// FRAC_PI_2 * arc.sweep_sign,
// *radius,
// GREEN,
// );
// поэтому отрисовка поворота через линии
let steps = 16;
let mut prev_point = current_pos;
gizmos.arc_2d(
Isometry2d::new(arc.center, Rot2::radians(arc.start_angle)),
FRAC_PI_2,
*radius,
GREEN,
);
for i in 1..=steps {
let t = i as f32 / steps as f32;
let angle = arc.start_angle + arc.sweep_sign * FRAC_PI_2 * t;
let point = arc.center + Vec2::from_angle(angle) * *radius;
gizmos.line_2d(prev_point, point, GREEN);
prev_point = point;
}
current_pos = arc.end_pos;
current_dir = arc.normal;
}
@ -36,4 +51,4 @@ pub fn draw_track_gizmos(track: Res<Track>, mut gizmos: Gizmos) {
}
// рисуем финиш
gizmos.circle_2d(current_pos, 5.0, Color::WHITE);
}
}