From 8441f9f2f11f6ad5b50165ddb6a218c4eadfaeef Mon Sep 17 00:00:00 2001
From: numzero <numzer0@yandex.ru>
Date: Wed, 14 Oct 2026 22:20:16 +0300
Subject: [PATCH] add README

---
 README.md | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 69f2a64..97c38cd 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,5 @@
-# Photon Light
+# Forward ray tracing demo
+
+![Screenshot](screenshot.jpg)
+
+A simple forward ray tracing demo. “Forward” means the rays are traced starting from the light (unlike common “reverse” ray tracing where rays are traced from the camera).