use imlet::{
types::computation::{
data::{
sampler::{Sampler, SparseSampler},
SparseFieldConfig,
},
functions::{Gyroid, MeshFile},
model::ImplicitModel,
operations::shape::{BooleanIntersection, Thickness},
},
utils::{self, io::write_obj_file},
};
pub fn main() {
utils::logging::init_info();
let cell_size = 0.25;
let mesh_file = MeshFile::from_path("assets/geometry/bunny.obj").unwrap();
let bounds = mesh_file.bounds().unwrap().offset(cell_size);
let mut model = ImplicitModel::new();
let mesh_tag = model.add_function("Mesh", mesh_file).unwrap();
let gyroid_tag = model
.add_function("Gyroid", Gyroid::with_equal_spacing(15.0, false))
.unwrap();
let offset_gyroid = model
.add_operation("OffsetGyroid", Thickness::new(7.5), Some(&[&gyroid_tag]))
.unwrap();
let _ = model
.add_operation(
"Output",
BooleanIntersection::new(),
Some(&[&mesh_tag, &offset_gyroid]),
)
.unwrap();
let mut sampler = SparseSampler::builder()
.with_bounds(bounds)
.with_tolerance(1E-3)
.with_config(
SparseFieldConfig::default()
.set_cell_size(cell_size)
.set_internal_size(imlet::types::computation::data::BlockSize::Size64)
.set_leaf_size(imlet::types::computation::data::BlockSize::Size4),
)
.build()
.expect("Should be able to build the sampler.");
sampler.sample_field(&model).expect("Sampling should work.");
let mesh = sampler
.iso_surface(0.0)
.expect("Extracting iso-surface should work.");
write_obj_file(&mesh, "sparse_bunny").unwrap();
#[cfg(feature = "viewer")]
{
imlet::viewer::show_mesh_with_settings(
&mesh,
Some(bounds),
&imlet::viewer::DisplaySettings::new(),
);
}
}