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Successfully applied transform matrix from nalgebra

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This commit is contained in:
Chris Hodapp 2020-02-09 10:04:29 -05:00
parent 2176f0c90e
commit 578406fef3
1 changed files with 12 additions and 4 deletions
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14
src/main.rs
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@ -4,8 +4,7 @@ use nalgebra::base::dimension::{U1, U4};
//use nalgebra::Matrix4;
/// A type for custom mesh vertices. Initialize with [vertex][self::vertex].
pub type Vertex = nalgebra::Matrix<f32, U4, U1, nalgebra::ArrayStorage<f32, U4, U1>>;
// TODO: Why am I not just using nalgebra's RowVector type here?
pub type Vertex = nalgebra::Vector4<f32>;
/// Initializes a vertex for a custom mesh.
pub fn vertex(x: f32, y: f32, z: f32) -> Vertex {
@ -503,8 +502,17 @@ fn main() {
idxs_exit: vec![],
idxs_body: (0, 0),
};
let xform = nalgebra::geometry::Translation3::new(2.0, 0.0, 0.0).to_homogeneous();
let m2 = m.transform(xform);
let try_save = |m: OpenMesh, fname: &str| {
let m_trimesh = m.to_trimesh().unwrap();
std::fs::write("openmesh_cube.obj", m_trimesh.parse_as_obj()).unwrap();
std::fs::write(fname, m_trimesh.parse_as_obj()).unwrap();
};
try_save(m, "openmesh_cube.obj");
try_save(m2, "openmesh_cube2.obj");
// Construct any mesh, this time, we will construct a simple icosahedron
let mesh = MeshBuilder::new().icosahedron().build().unwrap();