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DensityGrid

proof_engine::physics::fluids

Struct DensityGrid 

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pub struct DensityGrid { /* private fields */ }
Expand description

Spatial hash grid for O(1) average neighbor search.

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impl DensityGrid

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pub fn new(cell_size: f32) -> Self

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pub fn rebuild(&mut self, positions: &[Vec3])

Rebuild from scratch.

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pub fn query_radius(&self, pos: Vec3, radius: f32) -> Vec<usize>

Returns indices of all particles within radius of pos.

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pub fn particle_count(&self) -> usize

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