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feat: Point coordinate regulators (#118)

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Implement regulators for the Euclidean coordinates of `Point` entities, automatically creating all three of them for each added point entity. When such a regulator is set, it freezes the corresponding representation coordinate to the set point. In addition, if all three coordinates of a given `Point` are set, the coradius coordinate (which holds the norm of the point) is frozen as well.

Note that a `PointCoordinateRegulator` must be created with a `Point` as the subject. This commit modifies `HalfCurvatureRegulator` analogously, so that it can only be created with a `Sphere`.
Co-authored-by: Glen Whitney <glen@studioinfinity.org>
Co-committed-by: Glen Whitney <glen@studioinfinity.org>
This commit is contained in:
Glen Whitney 2025-10-13 22:52:02 +00:00 • committed by Vectornaut
parent 978f70aac7
commit 2c8c09d20d
6 changed files with 180 additions and 49 deletions
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4
app-proto/src/engine.rs
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@ -52,8 +52,8 @@ pub fn project_point_to_normalized(rep: &mut DVector<f64>) {
// --- partial matrices ---
pub struct MatrixEntry {
index: (usize, usize),
value: f64,
pub index: (usize, usize),
pub value: f64,
}
pub struct PartialMatrix(Vec<MatrixEntry>);