Struct vsvg::CatmullRom
source · pub struct CatmullRom { /* private fields */ }
Expand description
A Catmull-Rom spline.
This is a curve that passes through all the points in the list, but is smooth. It is converted to a series of cubic Bézier curves.
A minimum of 3 control points are needed to create a curve. If less than 3 points are provided, an empty path is returned.
Strictly speaking, a Catmull-Rom spline starts at the second point and ends at the second to last. This implementation duplicates the first and last points instead, so that all points are traversed by the curve.
The Catmull-Rom spline is parameterized by a tension
parameter. A tension of 1.0 is the
default. Higher values will make the curve more “tight” (closer to a polyline), while lower
values will make it more “loose”. Values bellow ~0.2 yield very loose curves that can extend far
away from the control points. Negative values makes the curve pass backwards through control
points.
Implementations§
source§impl CatmullRom
impl CatmullRom
sourcepub fn from_points(points: impl IntoIterator<Item = impl Into<Point>>) -> Self
pub fn from_points(points: impl IntoIterator<Item = impl Into<Point>>) -> Self
Create a new Catmull-Rom spline from a list of points.
The tension
parameter is set to 1.0.
sourcepub fn push_point(&mut self, point: impl Into<Point>)
pub fn push_point(&mut self, point: impl Into<Point>)
Add a control point.
Trait Implementations§
source§impl Clone for CatmullRom
impl Clone for CatmullRom
source§fn clone(&self) -> CatmullRom
fn clone(&self) -> CatmullRom
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source
. Read moresource§impl Debug for CatmullRom
impl Debug for CatmullRom
source§impl Default for CatmullRom
impl Default for CatmullRom
source§impl IntoBezPathTolerance for CatmullRom
impl IntoBezPathTolerance for CatmullRom
fn into_bezpath_with_tolerance(self, _tolerance: f64) -> BezPath
Auto Trait Implementations§
impl RefUnwindSafe for CatmullRom
impl Send for CatmullRom
impl Sync for CatmullRom
impl Unpin for CatmullRom
impl UnwindSafe for CatmullRom
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