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Bezier-rs: add Tangents/Normals to Point functions (#1547)

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* Add tangent/normal to point to bézier-rs

* Add license information and general cleanup

* Bump version

* Add iframe demos

---------

Co-authored-by: Keavon Chambers <keavon@keavon.com>
This commit is contained in:
0HyperCube
2024-01-07 06:33:06 -08:00
committed by Keavon Chambers
co-authored by Keavon Chambers
parent c14c6fbe93
commit 6a10bcc3fc
9 changed files with 753 additions and 4 deletions
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website/other/bezier-rs-demos/wasm/src/bezier.rs
+25
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@@ -300,6 +300,31 @@ impl WasmBezier {
let content = format!("{bezier}{}", draw_line(projected_point.x, projected_point.y, x, y, RED, 1.),);
wrap_svg_tag(content)
}
pub fn tangents_to_point(&self, x: f64, y: f64) -> String {
let bezier = self.get_bezier_path();
let mut content = String::new();
for t in self.0.tangents_to_point(DVec2::new(x, y)) {
let point = self.0.evaluate(TValue::Parametric(t));
content += &draw_line(x, y, point.x, point.y, RED, 1.);
}
use std::fmt::Write;
write!(content, "{bezier}").unwrap();
wrap_svg_tag(content)
}
pub fn normals_to_point(&self, x: f64, y: f64) -> String {
let bezier = self.get_bezier_path();
let mut content = String::new();
for t in self.0.normals_to_point(DVec2::new(x, y)) {
let point = self.0.evaluate(TValue::Parametric(t));
content += &draw_line(x, y, point.x, point.y, RED, 1.);
}
use std::fmt::Write;
write!(content, "{bezier}").unwrap();
wrap_svg_tag(content)
}
pub fn local_extrema(&self) -> String {
let local_extrema: [Vec<f64>; 2] = self.0.local_extrema();