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use crate::builder;
use crate::color::{Color, Rgb};
use crate::data_types::vector::Vec3;
use crate::ecs::Component;
use crate::reflection::Reflection;
builder! {
#[builder(name = PointLightBuilder, derives = (Debug, Clone))]
#[derive(Debug, Clone, Component, Reflection)]
#[non_exhaustive]
pub struct PointLight
{
/// Position in local space.
pub local_position: Vec3<f32>,
pub diffuse: Color<f32>,
pub specular: Color<f32>,
pub attenuation_params: AttenuationParams,
}
}
impl PointLight
{
#[must_use]
pub fn builder() -> PointLightBuilder
{
PointLightBuilder::default()
}
}
impl Default for PointLight
{
fn default() -> Self
{
Self {
local_position: Vec3::default(),
diffuse: Color::Rgb(Rgb { r: 0.5, g: 0.5, b: 0.5 }),
specular: Color::Rgb(Rgb::<f32>::white()),
attenuation_params: AttenuationParams::default(),
}
}
}
impl Default for PointLightBuilder
{
fn default() -> Self
{
PointLight::default().into()
}
}
/// Parameters for light [attenuation](https://en.wikipedia.org/wiki/Attenuation).
#[derive(Debug, Clone, Reflection)]
pub struct AttenuationParams
{
pub constant: f32,
pub linear: f32,
pub quadratic: f32,
}
impl Default for AttenuationParams
{
fn default() -> Self
{
Self {
constant: 1.0,
linear: 0.0,
quadratic: 0.0,
}
}
}
builder! {
#[builder(name = DirectionalLightBuilder, derives = (Debug, Clone))]
#[derive(Debug, Clone, Component, Reflection)]
#[non_exhaustive]
pub struct DirectionalLight
{
pub diffuse: Color<f32>,
pub specular: Color<f32>,
pub direction: Vec3<f32>,
}
}
impl DirectionalLight
{
#[must_use]
pub fn builder() -> DirectionalLightBuilder
{
DirectionalLightBuilder::default()
}
}
impl Default for DirectionalLight
{
fn default() -> Self
{
Self::builder().build()
}
}
impl Default for DirectionalLightBuilder
{
fn default() -> Self
{
Self {
diffuse: Color::Rgb(Rgb { r: 0.5, g: 0.5, b: 0.5 }),
specular: Color::Rgb(Rgb::<f32>::white()),
direction: Vec3::LEFT,
}
}
}
builder! {
#[builder(name = EnvironmentalBuilder, derives = (Debug, Clone))]
#[derive(Debug, Clone, Component, Reflection)]
#[non_exhaustive]
pub struct Environmental
{
pub ambient_color: Color<f32>,
}
}
impl Environmental
{
pub fn builder() -> EnvironmentalBuilder
{
EnvironmentalBuilder::default()
}
}
impl Default for Environmental
{
fn default() -> Self
{
Self::builder().build()
}
}
impl Default for EnvironmentalBuilder
{
fn default() -> Self
{
Self {
ambient_color: Color::Rgb(Rgb { r: 0.2, g: 0.2, b: 0.2 }),
}
}
}
|
