Struct PrimitiveBuilder 

pub struct PrimitiveBuilder;

Implementations

impl PrimitiveBuilder

pub fn sphere( center: Vec3, radius: f32, n: usize, character: char, color: Vec4, ) -> Vec<ModelParticle>

Fibonacci sphere — uniform distribution of N points on a sphere surface.

pub fn cube( center: Vec3, half_size: Vec3, particles_per_face: usize, fill_interior: bool, character: char, color: Vec4, ) -> Vec<ModelParticle>

Cube — particles on 6 faces, with optional interior fill.

pub fn cylinder( center: Vec3, radius: f32, height: f32, segments: usize, bands: usize, character: char, color: Vec4, ) -> Vec<ModelParticle>

Cylinder — circular bands + caps.

pub fn cone( apex: Vec3, base_center: Vec3, base_radius: f32, segments: usize, bands: usize, character: char, color: Vec4, ) -> Vec<ModelParticle>

Cone.

pub fn torus( center: Vec3, major_radius: f32, minor_radius: f32, u_segments: usize, v_segments: usize, character: char, color: Vec4, ) -> Vec<ModelParticle>

Torus — parametric surface: (R + r*cos(v)) * cos(u), etc.

pub fn plane( center: Vec3, width: f32, depth: f32, cols: usize, rows: usize, noise_scale: f32, noise_amplitude: f32, character: char, color: Vec4, ) -> Vec<ModelParticle>

Plane — grid of particles with optional Perlin-like noise displacement.

pub fn text3d( text: &str, origin: Vec3, char_width: f32, char_height: f32, depth: f32, particles_per_char: usize, character: char, color: Vec4, ) -> Vec<ModelParticle>

Text3D — extrude ASCII characters into 3D particle slabs.

pub fn point_cloud( points: Vec<Vec3>, character: char, color_low: Vec4, color_high: Vec4, ) -> Vec<ModelParticle>

PointCloud — import from Vec with color mapping by height.

pub fn marching_cubes( field: &dyn Fn(Vec3) -> f32, bounds: &Aabb3, resolution: usize, threshold: f32, character: char, color: Vec4, ) -> Vec<ModelParticle>

MarchingCubes — generate surface particles from a scalar density field.

pub fn metaballs( balls: &[(Vec3, f32)], bounds: &Aabb3, resolution: usize, character: char, color: Vec4, ) -> Vec<ModelParticle>

Metaballs — generate surface particles from N metaballs.