Struct MaterialLibrary 

pub struct MaterialLibrary { /* private fields */ }

A library of named materials.

Implementations

impl MaterialLibrary

pub fn new() -> Self

Create a new empty material library.

pub fn add(&mut self, material: Material)

Add a material to the library.

pub fn get(&self, name: &str) -> Option<&Material>

Look up a material by name.

pub fn len(&self) -> usize

Return the number of materials in the library.

pub fn is_empty(&self) -> bool

Check whether the library is empty.

pub fn remove(&mut self, name: &str) -> Option<Material>

Remove a material by name. Returns the removed material if it existed.

pub fn iter(&self) -> impl Iterator<Item = (&String, &Material)>

Return an iterator over all materials.

pub fn contains(&self, name: &str) -> bool

Check if a material with the given name exists.

pub fn names(&self) -> Vec<String>

Get all material names.

Trait Implementations

impl Debug for MaterialLibrary

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for MaterialLibrary

fn default() -> MaterialLibrary

Returns the “default value” for a type.