Struct tray_rust::geometry::mesh::Triangle

pub struct Triangle {
    pub a: usize,
    pub b: usize,
    pub c: usize,
    pub positions: Arc<Vec<Point>>,
    pub normals: Arc<Vec<Normal>>,
    pub texcoords: Arc<Vec<Point>>,
}

A triangle in some mesh. Just stores a reference to the mesh and the indices of each vertex

Fields

a: usize

b: usize

c: usize

positions: Arc<Vec<Point>>

normals: Arc<Vec<Normal>>

texcoords: Arc<Vec<Point>>

Methods

impl Triangle

pub fn new(
    a: usize,
    b: usize,
    c: usize,
    positions: Arc<Vec<Point>>,
    normals: Arc<Vec<Normal>>,
    texcoords: Arc<Vec<Point>>
) -> Triangle

Create a new triangle representing a triangle within the mesh passed

Trait Implementations

impl Geometry for Triangle

fn intersect(&self, ray: &mut Ray) -> Option<DifferentialGeometry>

Test a ray for intersection with the geometry. The ray should have been previously transformed into the geometry's object space otherwise the test will be incorrect. Returns the differential geometry containing the hit information if the ray hit the object and set's the ray's max_t member accordingly

impl Boundable for Triangle

fn bounds(&self, _: f32, _: f32) -> BBox

Get an AABB reporting the object's bounds over the time period The default implementation assumes the object isn't animated and simply returns its bounds. This is kind of a hack to use the BVH for animated geomtry (instances) and non-animated geometry (triangles).

fn update_deformation(&mut self, start: f32, end: f32)

Have the object recompute its bounds for the time range. In the case of deforming geometry this can rebuild acceleration structures for example.