From b34446e7025a15bd5b74fd5f88bb952028cc8a4a Mon Sep 17 00:00:00 2001
From: rodri <rgl@antares-labs.eu>
Date: Sat, 23 Dec 2023 00:12:34 +0000
Subject: organize the code better.

---
 shadeop.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 shadeop.c

(limited to 'shadeop.c')

diff --git a/shadeop.c b/shadeop.c
new file mode 100644
index 0000000..c9d3353
--- /dev/null
+++ b/shadeop.c
@@ -0,0 +1,28 @@
+#include <u.h>
+#include <libc.h>
+#include <thread.h>
+#include <draw.h>
+#include <memdraw.h>
+#include <mouse.h>
+#include <keyboard.h>
+#include <geometry.h>
+#include "libobj/obj.h"
+#include "dat.h"
+#include "fns.h"
+
+double
+step(double edge, double n)
+{
+	if(n < edge)
+		return 0;
+	return 1;
+}
+
+double
+smoothstep(double edge0, double edge1, double n)
+{
+	double t;
+
+	t = fclamp((n-edge0)/(edge1-edge0), 0, 1);
+	return t*t * (3 - 2*t);
+}
-- 
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