From bbe79c2fd6d87d6327b11876bc46ec9231868855 Mon Sep 17 00:00:00 2001
From: David Thompson <dthompson2@worcester.edu>
Date: Sat, 18 Feb 2023 14:55:40 -0500
Subject: Add comments to fill fragment shader.

---
 chickadee/graphics/path.scm | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/chickadee/graphics/path.scm b/chickadee/graphics/path.scm
index fac8c2c..9fb859d 100644
--- a/chickadee/graphics/path.scm
+++ b/chickadee/graphics/path.scm
@@ -1327,11 +1327,11 @@
       (outputs
        (frag-color
         (case mode
-          ((0)
+          ((0) ; solid color
            color)
-          ((1)
+          ((1) ; linear gradient
            (gradient-mix (-> frag-position x)))
-          ((2)
+          ((2) ; radial gradient
            (let ((p (* frag-position
                        (vec2 1.0 radial-gradient-ratio))))
              (gradient-mix (length p))))
-- 
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