From da9860f9a414d8ab403496ac74a51afc5ad3e48b Mon Sep 17 00:00:00 2001
From: sicarius <devnull@localhost>
Date: Sun, 18 Feb 2007 17:57:03 +0000
Subject: +++ Additional Codework

---
 source/Concept/Framework/tools.h | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'source/Concept/Framework/tools.h')

diff --git a/source/Concept/Framework/tools.h b/source/Concept/Framework/tools.h
index 0ca4dda..ca19993 100644
--- a/source/Concept/Framework/tools.h
+++ b/source/Concept/Framework/tools.h
@@ -9,6 +9,10 @@
 	void operator delete(void* p);
 #endif
 
+#define max(a, b) (((a) > (b)) ? (a) : (b))
+#define min(a, b) (((a) < (b)) ? (a) : (b))
+#define sign(a) (((a) < 0) ? (-1) : (1))
+
 inline void sleep(int sec)
 {
   for (int s=0; s<sec; s++) {
@@ -40,6 +44,11 @@ inline void usleep(int usec)
 inline float distance2d(float x1, float y1, float x2, float y2)
 {
 	return sqrt(((x1 - x2) * (x1 - x2)) + ((y1 - y2) * (y1 - y2)));
+}
+
+inline float direction2d(float x1, float y1, float x2, float y2)
+{
+	return atan((y2 - y1) / (x2 - x1));
 }
 
 #endif
-- 
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