From 0f122e2062309867dbca08ac28033838db707b0e Mon Sep 17 00:00:00 2001
From: jbb01 <32650546+jbb01@users.noreply.github.com>
Date: Sat, 3 Aug 2024 02:56:24 +0200
Subject: [PATCH] use Lambertian reflection

---
 src/main/java/eu/jonahbauer/raytracing/render/Camera.java | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/main/java/eu/jonahbauer/raytracing/render/Camera.java b/src/main/java/eu/jonahbauer/raytracing/render/Camera.java
index f8a997d..27d4653 100644
--- a/src/main/java/eu/jonahbauer/raytracing/render/Camera.java
+++ b/src/main/java/eu/jonahbauer/raytracing/render/Camera.java
@@ -134,10 +134,7 @@ public final class Camera {
         if (optional.isPresent()) {
             var result = optional.get();
 
-            var newDirection = Vec3.random(true);
-            if (result.normal().times(newDirection) < 0) {
-                newDirection = newDirection.times(-1);
-            }
+            var newDirection = result.normal().plus(Vec3.random(true));
             var scattered = new Ray(result.position(), newDirection);
 
             return Color.lerp(Color.BLACK, getColor(scene, scattered, depth - 1), 0.5);