From 2b10347cb7af19ec4180c8186ec2dc5022cdc3b7 Mon Sep 17 00:00:00 2001
From: zhiyiz <zhiyiz@seas.upenn.edu>
Date: Tue, 24 Sep 2024 10:34:24 -0400
Subject: [PATCH] update README

---
 README.md | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/README.md b/README.md
index fc7863a..5827fcd 100644
--- a/README.md
+++ b/README.md
@@ -17,3 +17,34 @@ Extra credit if you can find all FIVE bugs.
 - In the README, create a link to your shader toy solution with the bugs corrected
 - In the README, describe each bug you found and include a sentence about HOW you found it.
 - Make sure all three of your shadertoys are set to UNLISTED or PUBLIC (so we can see them!)
+
+# Result
+[shader link](https://www.shadertoy.com/view/M3ScWh)
+
+## Bugs
+- line 97
+```
+// wrong code
+vec uv2 = 2.0 * uv - vec2(1.0);
+
+// correct
+uv = 2.0 * uv - vec2(1.0);
+```
+
+- In the raycast function Line 11
+```
+// wrong code
+H *= len * iResolution.x / iResolution.x;
+
+// correct
+H *= len * iResolution.x / iResolution.y;
+```
+
+- Line 75
+```
+// wrong code 
+dir = reflect(eye, nor);
+
+//correct
+dir = reflect(dir, nor);
+```
\ No newline at end of file