pybevy_math 0.2.1

Math types (Vec2, Vec3, Vec4, Quat, Mat3, Mat4) for PyBevy
Documentation 
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use bevy::math::{
    Vec2,
    cubic_splines::{CubicCardinalSpline, CubicGenerator},
};
use pyo3::{exceptions::PyValueError, prelude::*};

use super::cubic_curve::PyCubicCurve2d;
use crate::vec2::PyVec2;

#[pyclass(name = "CubicCardinalSpline2d")]
#[derive(Debug, Clone)]
pub struct PyCubicCardinalSpline2d {
    spline: CubicCardinalSpline<Vec2>,
}

#[pymethods]
impl PyCubicCardinalSpline2d {
    #[new]
    pub fn new(tension: f32, control_points: Vec<PyVec2>) -> Self {
        let control_points: Vec<Vec2> = control_points.into_iter().map(|p| p.into()).collect();

        PyCubicCardinalSpline2d {
            spline: CubicCardinalSpline::new(tension, control_points),
        }
    }

    #[staticmethod]
    pub fn new_catmull_rom(control_points: Vec<PyVec2>) -> Self {
        let control_points: Vec<Vec2> = control_points.into_iter().map(|p| p.into()).collect();

        PyCubicCardinalSpline2d {
            spline: CubicCardinalSpline::new_catmull_rom(control_points),
        }
    }

    pub fn to_curve(&self, py: Python<'_>) -> PyResult<Py<PyCubicCurve2d>> {
        let curve = self
            .spline
            .to_curve()
            .map_err(|e| PyValueError::new_err(e.to_string()))?;

        Py::new(py, PyCubicCurve2d::from_curve(curve))
    }

    #[getter]
    pub fn tension(&self) -> f32 {
        self.spline.tension
    }

    #[setter]
    pub fn set_tension(&mut self, value: f32) {
        self.spline.tension = value;
    }

    fn __repr__(&self) -> String {
        format!(
            "CubicCardinalSpline2d(tension={}, {} points)",
            self.spline.tension,
            self.spline.control_points.len()
        )
    }
}