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Description
Here is a minimal example:
use truck_modeling::builder::{tsweep, vertex};
use truck_modeling::{Point3, Vector3};
use truck_shapeops::or;
fn main() {
let point_a = vertex(Point3::new(0.0, 0.0, 0.0));
let line_a = tsweep(&point_a, Vector3::unit_x());
let square_a = tsweep(&line_a, Vector3::unit_y());
let cube_a = tsweep(&square_a, Vector3::unit_z());
let z_offset = 1.0;
let x_offset = 0.1;
let y_offset = 0.1;
let point_b = vertex(Point3::new(x_offset, y_offset, z_offset));
let line_b = tsweep(&point_b, Vector3::unit_x());
let square_b = tsweep(&line_b, Vector3::unit_y());
let cube_b = tsweep(&square_b, Vector3::unit_z());
let combined_cube = or(&cube_a, &cube_b, 0.01);
match combined_cube {
Some(c) => {
println!(
"combined_cube has {:?} shell boundaries",
c.boundaries().len()
);
}
None => {
println!("combined_cube: None");
}
}
}When I run this, the output I see is:
combined_cube: NoneI expected the output to be:
combined_cube has 1 shell boundaries
If I change the value to: let z_offset = 0.9 then I get the correct behavior:
combined_cube has 1 shell boundariesIf I change the value to: let z_offset = 1.1 then I get different behavior which is also correct:
combined_cube has 2 shell boundariesIt is only when I choose let z_offset = 1.0 when the None value is returned. Is this the intended behavior? How can I merge two solids which are touching but not overlapping?
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