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ImplicitConvolution

oxiphysics_geometry::implicit

Struct ImplicitConvolution 

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pub struct ImplicitConvolution;
Expand description

Smooth SDF operations: offset surfaces and Minkowski sums.

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impl ImplicitConvolution

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pub fn offset_surface<F: Fn([f64; 3]) -> f64>( f: F, offset: f64, ) -> impl Fn([f64; 3]) -> f64

Create an offset surface SDF: expands the surface outward by offset.

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pub fn gaussian_blur<F: Fn([f64; 3]) -> f64>( f: F, sigma: f64, ) -> impl Fn([f64; 3]) -> f64

Gaussian-blurred SDF approximation via Monte Carlo sampling on a grid.

Approximates ∫ f(p+δ) G(δ, sigma) dδ by sampling 8 corners.

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pub fn minkowski_sum<F: Fn([f64; 3]) -> f64>( f: F, radius: f64, ) -> impl Fn([f64; 3]) -> f64

Minkowski sum of two SDFs (approximate via smooth union with offset).

For convex shapes: (f ⊕ B_r)(p) ≈ f(p) − r.

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