feat: expose ambient light settings

pyraydeon/examples/py_sphere.py

@@ -92,7 +92,8 @@ def paths(self, cam):
         PySphere(Point3(0, 0, 0), 1.0, Material(3.0, 3.0, 3)),
         PyPlane(Point3(0, -2, 0), Vec3(0, 1, 0), Material(9000.0, 3.0, 3)),
     ],
-    lights=[PointLight((4, 3, 10), 4.0, 2.0, 0.15, 0.4, 0.11)],
+    lights=[PointLight((4, 3, 10), 3.6, 2.0, 0.15, 0.4, 0.11)],
+    ambient_light=0.13,
 )
 
 

pyraydeon/src/scene.rs

@@ -2,7 +2,7 @@ use std::sync::Arc;
 
 use numpy::{Ix1, PyArray, PyReadonlyArray1};
 use pyo3::prelude::*;
-use raydeon::WorldSpace;
+use raydeon::{SceneLighting, WorldSpace};
 
 use crate::light::PointLight;
 use crate::linear::{ArbitrarySpace, Point2, Point3, Vec3};
@@ -101,11 +101,12 @@ pub(crate) struct Scene {
 #[pymethods]
 impl Scene {
     #[new]
-    #[pyo3(signature = (geometry=None, lights=None))]
+    #[pyo3(signature = (geometry=None, lights=None, ambient_light=0.0))]
     fn new(
         py: Python,
         geometry: Option<Vec<PyObject>>,
         lights: Option<Vec<PointLight>>,
+        ambient_light: f64,
     ) -> PyResult<Self> {
         let geometry = geometry.unwrap_or_default();
         let lights = lights.unwrap_or_default();
@@ -123,10 +124,13 @@ impl Scene {
             .into_iter()
             .map(|l| Arc::new(l.0) as Arc<dyn raydeon::lights::Light>)
             .collect();
+        let lighting = SceneLighting::new()
+            .with_lights(lights)
+            .with_ambient_lighting(ambient_light);
         let scene = Arc::new(
             raydeon::Scene::new()
                 .with_geometry(geometry)
-                .with_lighting(lights),
+                .with_lighting(lighting),
         );
         Ok(Self { scene })
     }

raydeon/examples/lit_cubes.rs

@@ -1,7 +1,7 @@
 use raydeon::lights::PointLight;
 use raydeon::material::Material;
 use raydeon::shapes::AxisAlignedCuboid;
-use raydeon::{Camera, Scene, WPoint3, WVec3};
+use raydeon::{Camera, Scene, SceneLighting, WPoint3, WVec3};
 use std::sync::Arc;
 
 fn main() {
@@ -27,14 +27,18 @@ fn main() {
                 Material::new(3.0, 2.0, 2.0, 0),
             )),
         ])
-        .with_lighting(vec![Arc::new(PointLight::new(
-            20.0,
-            100.0,
-            (5.5, 12.0, 7.3),
-            0.0,
-            0.09,
-            0.23,
-        ))]);
+        .with_lighting(
+            SceneLighting::new()
+                .with_lights(vec![Arc::new(PointLight::new(
+                    20.0,
+                    100.0,
+                    (5.5, 12.0, 7.3),
+                    0.0,
+                    0.09,
+                    0.23,
+                ))])
+                .with_ambient_lighting(0.13),
+        );
 
     let eye = WPoint3::new(8.0, 6.0, 4.0);
     let focus = WVec3::new(0.0, 0.0, 0.0);