arnekeller/BwInf37-Runde2-Aufgabe1
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Remove unused stuff

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This commit is contained in:
Arne Keller 2019-03-29 18:56:12 +01:00
parent 103e8c309c
commit d9fa6b6d43
1 changed files with 0 additions and 31 deletions
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31
src/main.rs
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@ -11,7 +11,6 @@ mod input;
type Point = geo::Point<f64>;
type Line = geo::Line<f64>;
type LineString = geo::LineString<f64>;
type Polygon = geo::Polygon<f64>;
// 30 km/h = 8+1/3 m/s
@ -246,33 +245,3 @@ fn max_possible_delay(total_distance: f64, lisa: Point) -> f64 {
let y_l = lisa.y();
y_l - (3.0 * x_l.powi(2)).sqrt() - total_distance * 2.0
}
/// Gehe direkt zum Bus. Gibt die Punkte zurück, bei denen Lisa nicht auf den Bus warten müsste.
fn to_bus(bus: Point, start: Point) -> Vec<Point> {
let x_l = start.x();
let y_l = start.y();
let x_b = bus.x();
assert_eq!(x_b, 0.0);
let y_b = bus.y();
let b = 4.0 * (y_l - y_b);
let unter_wurzel =
b.powi(2) + 12.0 * (-x_l.powi(2) - y_l.powi(2) - y_b.powi(2) + 2.0 * y_b * y_l);
if unter_wurzel >= 0.0 {
let wurzel = unter_wurzel.sqrt();
let wurzel_ = wurzel / (-6.0);
let b_ = b / 6.0;
let d1 = b_ + wurzel_;
let d2 = b_ - wurzel_;
if d1 > (0.0) && d2 > (0.0) {
vec![
bus.translate(0.0, (2.0) * d1),
bus.translate(0.0, (2.0) * d2),
]
} else {
vec![]
}
} else {
vec![]
}
}