Struct Triangle3

pub struct Triangle3 {
    pub points: [Vector3D; 3],
    pub normals: [Vector3D; 3],
    pub uvs: [Vector2D; 3],
    pub surface_data: Surface3Data,
}

3-D triangle geometry.

This class represents 3-D triangle geometry which extends Surface3 by overriding surface-related queries.

Fields

points: [Vector3D; 3]

Three points.

normals: [Vector3D; 3]

Three normals.

uvs: [Vector2D; 3]

Three UV coordinates.

surface_data: Surface3Data

data from surface3

Implementations

impl Triangle3

pub fn new_default( transform: Option<Transform3>, is_normal_flipped: Option<bool>, ) -> Triangle3

Constructs an empty triangle.

pub fn new( points: [Vector3D; 3], normals: [Vector3D; 3], uvs: [Vector2D; 3], transform: Option<Transform3>, is_normal_flipped: Option<bool>, ) -> Triangle3

Constructs a triangle with given \p points, \p normals, and \p uvs.

pub fn builder() -> Builder

Returns builder fox Triangle3.

pub fn area(&self) -> f64

Returns the area of this triangle.

pub fn get_barycentric_coords( &self, pt: &Vector3D, b0: &mut f64, b1: &mut f64, b2: &mut f64, )

Returns barycentric coordinates for the given point \p pt.

pub fn face_normal(&self) -> Vector3D

Returns the face normal of the triangle.

pub fn set_normals_to_face_normal(&mut self)

Set Triangle3::normals to the face normal.

Trait Implementations

impl Surface3 for Triangle3

fn closest_point_local(&self, other_point: &Vector3D) -> Vector3D

Returns the closest point from the given point \p other_point to the surface in local frame.

fn bounding_box_local(&self) -> BoundingBox3D

Returns the bounding box of this surface object in local frame.

fn closest_intersection_local(&self, ray: &Ray3D) -> SurfaceRayIntersection3

Returns the closest intersection point for given \p ray in local frame.

fn closest_normal_local(&self, other_point: &Vector3D) -> Vector3D

Returns the normal to the closest point on the surface from the given point \p other_point in local frame.

fn intersects_local(&self, ray: &Ray3D) -> bool

Returns true if the given \p ray intersects with this surface object in local frame.

fn view(&self) -> &Surface3Data

fn closest_distance_local(&self, other_point_local: &Vector3D) -> f64

Returns the closest distance from the given point \p otherPoint to the point on the surface in local frame.

fn is_inside_local(&self, other_point_local: &Vector3D) -> bool

Returns true if \p otherPoint is inside by given \p depth the volume defined by the surface in local frame.

fn closest_point(&self, other_point: &Vector3D) -> Vector3D

Returns the closest point from the given point \p other_point to the surface.

fn bounding_box(&self) -> BoundingBox3D

Returns the bounding box of this surface object.

fn intersects(&self, ray: &Ray3D) -> bool

Returns true if the given \p ray intersects with this surface object.

fn closest_distance(&self, other_point: &Vector3D) -> f64

Returns the closest distance from the given point \p other_point to the point on the surface.

fn closest_intersection(&self, ray: &Ray3D) -> SurfaceRayIntersection3

Returns the closest intersection point for given \p ray.

fn closest_normal(&self, other_point: &Vector3D) -> Vector3D

Returns the normal to the closest point on the surface from the given point \p other_point.

fn update_query_engine(&self)

Updates internal spatial query engine.

fn is_bounded(&self) -> bool

Returns true if bounding box can be defined.

fn is_valid_geometry(&self) -> bool

Returns true if the surface is a valid geometry.

fn is_inside(&self, other_point: &Vector3D) -> bool

Returns true if \p other_point is inside the volume defined by the surface.