add shading according to normal vector

2024-08-03 01:44:27 +02:00
parent 590054a046
commit 14fd1d73fc
5 changed files with 39 additions and 12 deletions
--- a/src/test/java/eu/jonahbauer/raytracing/shape/SphereTest.java
+++ b/src/test/java/eu/jonahbauer/raytracing/shape/SphereTest.java
@@ -18,8 +18,8 @@ class SphereTest {
        var direction = new Vec3(-1, -1, -1);
        var ray = new Ray(origin, direction);

-        var t = sphere.hit(ray);
-        assertFalse(Double.isNaN(t));
-        assertEquals(center.plus(new Vec3(1, 1, 1).unit().times(radius)), ray.at(t));
+        var result = sphere.hit(ray);
+        assertFalse(result.isEmpty());
+        assertEquals(center.plus(new Vec3(1, 1, 1).unit().times(radius)), ray.at(result.get().t()));
    }
 }