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|
use crate::color::Color;
#[derive(Debug, Clone)]
pub struct Material
{
ambient: Color<f32>,
diffuse: Color<f32>,
specular: Color<f32>,
shininess: f32,
}
impl Material
{
#[must_use]
pub fn ambient(&self) -> &Color<f32>
{
&self.ambient
}
#[must_use]
pub fn diffuse(&self) -> &Color<f32>
{
&self.diffuse
}
#[must_use]
pub fn specular(&self) -> &Color<f32>
{
&self.specular
}
#[must_use]
pub fn shininess(&self) -> f32
{
self.shininess
}
}
/// [`Material`] builder.
#[derive(Debug, Clone)]
pub struct Builder
{
ambient: Color<f32>,
diffuse: Color<f32>,
specular: Color<f32>,
shininess: f32,
}
impl Builder
{
#[must_use]
pub fn new() -> Self
{
Self {
ambient: 0.2.into(),
diffuse: 0.5.into(),
specular: 1.0.into(),
shininess: 32.0,
}
}
#[must_use]
pub fn ambient(mut self, ambient: Color<f32>) -> Self
{
self.ambient = ambient;
self
}
#[must_use]
pub fn diffuse(mut self, diffuse: Color<f32>) -> Self
{
self.diffuse = diffuse;
self
}
#[must_use]
pub fn specular(mut self, specular: Color<f32>) -> Self
{
self.specular = specular;
self
}
#[must_use]
pub fn shininess(mut self, shininess: f32) -> Self
{
self.shininess = shininess;
self
}
/// Builds a new [`Material`].
#[must_use]
pub fn build(&self) -> Material
{
Material {
ambient: self.ambient.clone(),
diffuse: self.diffuse.clone(),
specular: self.specular.clone(),
shininess: self.shininess,
}
}
}
impl Default for Builder
{
fn default() -> Self
{
Self::new()
}
}
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