Struct crystal_ball::shapes::Triangle

pub struct Triangle {
    pub triangle_mesh: Arc<TriangleMesh>,
    pub index: usize,
}

A single triangle from a TriangleMesh.

Fields

triangle_mesh: Arc<TriangleMesh>

The triangle’s corresponding TriangleMesh.

index: usize

The triangle’s index in the TriangleMesh.

Implementations

impl Triangle

pub fn new(triangle_mesh: Arc<TriangleMesh>, index: usize) -> Self

Create a new Triangle.

pub fn vertices(&self) -> [Point3; 3]

Return the triangle’s vertices.

pub fn normals(&self) -> [Vec3; 3]

Return the triangle’s normals.

If the TriangleMesh doesn’t provide any normals, they are automatically calculated assuming flat shading.

pub fn tangents(&self) -> Option<[Vec4; 3]>

Return the triangle’s tangents.

Returns None if the TriangleMesh doesn’t provide any tangents.

pub fn uvs(&self) -> Option<[Point2; 3]>

Return the triangle’s UV coordinates.

Returns None if the TriangleMesh doesn’t provide UV coordinates.

pub fn face_normal(&self) -> Vec3

Calculate the normal of the triangle’s face (flat normal).

pub fn circumcenter(&self) -> Point3

Calculate the triangle’s circumcenter.

pub fn vertex_mean(&self) -> Point3

Calculate the triangle’s vertex mean.

Trait Implementations

impl Clone for Triangle

fn clone(&self) -> Triangle

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Shape for Triangle

fn intersects(&self, ray: Ray) -> Option<Hit>

Return the corresponding hit, if self and ray intersect. Otherwise return None.

fn bounds(&self) -> Bounds3

Return the shape’s bounding volume.