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Animate path

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This commit is contained in:
Arne Keller 2019-01-26 12:42:52 +01:00
parent 698346e1c6
commit 1b9b8ae007
6 changed files with 105 additions and 6 deletions
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5
lisarennt2.txt Normal file
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67
src/display.rs
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@ -1,6 +1,6 @@
use svg::Document;
use svg::Node;
use svg::node::element::Circle;
use svg::node::element::{AnimateMotion, MotionPath, Circle};
use svg::node::element::Path;
use svg::node::element::path::Data;
@ -8,16 +8,18 @@ use std::io;
use super::*;
pub(crate) fn dump_svg(points: &[(Point, &'static str)], lines: &[(Line, &'static str)], polys: &[Polygon]) {
pub(crate) fn dump_svg(points: &[(Point, &'static str)], lines: &[(Line, &'static str)], polys: &[Polygon], route1: &[Point], route2_start: Point) {
let mut document = Document::new()
// view box at (0, -200), w*h (200, 200)
.set("viewBox", (0, -1100, 2100, 2100));
.set("viewBox", (0, -1100, 2100, 2100))
.set("xmlns:xlink", "http://www.w3.org/1999/xlink");
for circle in points.iter().map(|(p, color)| {
Circle::new()
.set("cx", f64::from(p.x()))
.set("cy", f64::from(-p.y()))
.set("r", 1.2)
.set("r", 25.2)
.set("opacity", 0.5)
.set("fill", *color)
}) {
document.append(circle);
@ -31,7 +33,8 @@ pub(crate) fn dump_svg(points: &[(Point, &'static str)], lines: &[(Line, &'stati
Path::new()
.set("fill", "none")
.set("stroke", *color)
.set("stroke-width", 0.25)
.set("stroke-width", 2.0)
.set("opacity", 0.5)
.set("d", data)
}) {
document.append(path);
@ -61,5 +64,59 @@ pub(crate) fn dump_svg(points: &[(Point, &'static str)], lines: &[(Line, &'stati
document.append(path);
}
let mut first: (f64, f64) = (route1[0].x().into(), route1[0].y().into());
first.1 *= -1.0;
let mut data = Data::new()
.move_to(first);
for point in &route1[1..] {
let c = point.x_y();
let mut c: (f64, f64) = (c.0.into(), c.1.into());
c.1 *= -1.0;
data = data.line_to(c);
}
let path = Path::new()
.set("id", "route1")
.set("fill", "none")
.set("stroke", "none")
.set("d", data);
document.append(path);
let mut dot1 = Circle::new()
.set("cx", 0.0)
.set("cy", 0.0)
.set("r", 25.2)
.set("opacity", 0.75)
.set("fill", "gray");
let mut motion1 = AnimateMotion::new().set("dur", "2s").set("repeatCount", "indefinite");
let path = MotionPath::new().set("xlink:href", "#route1");
motion1.append(path);
dot1.append(motion1);
document.append(dot1);
let mut first: (f64, f64) = (route2_start.x().into(), route2_start.y().into());
first.1 *= -1.0;
let mut data = Data::new()
.move_to(first);
let last = route1.last().unwrap();
data = data.line_to::<(f64, f64)>((last.x().into(), (|x:f64|-x)(last.y().into())));
let path = Path::new()
.set("id", "route2")
.set("fill", "none")
.set("stroke", "none")
.set("d", data);
document.append(path);
let mut dot1 = Circle::new()
.set("cx", 0.0)
.set("cy", 0.0)
.set("r", 25.2)
.set("opacity", 0.75)
.set("fill", "gray");
let mut motion1 = AnimateMotion::new().set("dur", "2s").set("repeatCount", "indefinite");
let path = MotionPath::new().set("xlink:href", "#route2");
motion1.append(path);
dot1.append(motion1);
document.append(dot1);
svg::write(io::stdout(), &document).unwrap();
}

2
src/main.rs
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@ -142,7 +142,7 @@ fn main() {
(x, "gray")
}).collect::<Vec<_>>();
display::dump_svg(&points, &lines, &polys);
display::dump_svg(&points, &lines, &polys, &route.iter().map(|x| x.pos).collect::<Vec<_>>(), first.bus.translate(0.0.into(), best_delay));
}
/// [a; b]