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|
use crate::color::Color;
use crate::vector::Vec3;
#[derive(Debug, Clone)]
pub struct LightSource
{
position: Vec3<f32>,
ambient: Color<f32>,
diffuse: Color<f32>,
specular: Color<f32>,
}
impl LightSource
{
#[must_use]
pub fn position(&self) -> &Vec3<f32>
{
&self.position
}
#[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
}
pub fn translate(&mut self, translation: Vec3<f32>)
{
self.position += translation;
}
}
#[derive(Debug, Clone, Default)]
pub struct LightSourceBuilder
{
position: Vec3<f32>,
ambient: Color<f32>,
diffuse: Color<f32>,
specular: Color<f32>,
}
impl LightSourceBuilder
{
#[must_use]
pub fn new() -> Self
{
Self {
position: Vec3::default(),
ambient: Color::WHITE_F32,
diffuse: Color::WHITE_F32,
specular: Color::WHITE_F32,
}
}
#[must_use]
pub fn position(mut self, position: Vec3<f32>) -> Self
{
self.position = position;
self
}
#[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 build(&self) -> LightSource
{
LightSource {
position: self.position.clone(),
ambient: self.ambient.clone(),
diffuse: self.diffuse.clone(),
specular: self.specular.clone(),
}
}
}
|
