init

1 files changed, 29 insertions, 0 deletions

diff --git a/src/material/diffuse_light.rs b/src/material/diffuse_light.rs
new file mode 100644
index 0000000..fecbcff
--- /dev/null
+++ b/src/material/diffuse_light.rs
@@ -0,0 +1,29 @@
+use std::sync::Arc;
+
+use super::Material;
+use crate::{hittable::HitRecord, texture::Texture, vec3::Point3};
+use crate::vec3::Color;
+use crate::texture::SolidColor;
+use crate::ray::Ray;
+
+pub struct DiffuseLight {
+    emit: Arc<dyn Texture>,
+}
+
+impl DiffuseLight {
+    pub fn from_color(color: Color) -> Self {
+        Self {
+            emit: Arc::new(SolidColor::from_color(color)),
+        }
+    }
+}
+
+impl Material for DiffuseLight {
+    fn scatter(&self, _: &Ray, _: &HitRecord, _: &mut Color, _: &mut Ray) -> bool {
+        false
+    }
+
+    fn emitted(&self, u: f64, v: f64, point: &Point3) -> Color {
+        self.emit.value(u, v, point)
+    }
+}