init

1 files changed, 22 insertions, 0 deletions

diff --git a/src/texture/noise_texture.rs b/src/texture/noise_texture.rs
new file mode 100644
index 0000000..92ac166
--- /dev/null
+++ b/src/texture/noise_texture.rs
@@ -0,0 +1,22 @@
+use super::{Texture, perlin::Perlin};
+use crate::{vec3::Color, vec3::Point3};
+
+pub struct NoiseTexture {
+    noise: Perlin,
+    scale: f64,
+}
+
+impl NoiseTexture {
+    pub fn new(scale: f64) -> Self {
+        Self {
+            noise: Perlin::new(),
+            scale,
+        }
+    }
+}
+
+impl Texture for NoiseTexture {
+    fn value(&self, _: f64, _: f64, p: &Point3) -> Color {
+        Color { x: 1.0, y: 1.0, z: 1.0 } * 0.5 * (1.0 + (self.scale * p.z + 10.0 * self.noise.turb(p, 7)).sin())
+    }
+}