From 02a3187668d86d15fbdf7693df93eb1fe74dc598 Mon Sep 17 00:00:00 2001
From: Devine Lu Linvega <aliceffekt@gmail.com>
Date: Mon, 5 Aug 2019 07:23:48 +0900
Subject: [PATCH] Added Posterize effect

---
 PRELUDE.md | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/PRELUDE.md b/PRELUDE.md
index 0166af6..55fc238 100644
--- a/PRELUDE.md
+++ b/PRELUDE.md
@@ -30,4 +30,17 @@ Use: `(pixels erase-color (255 0 0))`.
         (eq a:0 b:0) 
         (eq a:1 b:1) 
         (eq a:2 b:2)) 0 255)))
+```
+
+### Posterize
+
+Use: `(pixels posterize 40)`.
+
+```
+(defn posterize 
+  (a q) 
+  (
+    (step a:0 q) 
+    (step a:1 q) 
+    (step a:2 q) a:3))
 ```
\ No newline at end of file