start 380 project5

changes to 380 project 4
changes to 350 project 2

Signed-off-by: Amrit Panesar <apanesar@4195tech.com>

COM380/Project5/GambleKit/Engine/Utils/GkMaths.cpp

@@ -0,0 +1,92 @@
+//--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
+//	GambleKit Copyright (C) 2014 Ivan Donev
+//
+//	This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.
+//
+//	This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+//
+//	You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+//	contact: gamblekit@gmail.com
+//--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
+
+#include "GkMaths.h"
+
+#include <stdlib.h>
+#include <time.h>
+#include <cmath>
+
+GkMaths::GkMaths(void)
+{
+}
+
+
+GkMaths::~GkMaths(void)
+{
+}
+
+int GkMaths::Min(int a, int b)
+{
+	if (a < b)
+		return a;
+
+	return b;
+}
+
+int GkMaths::Max(int a, int b)
+{
+	if (a > b)
+		return a;
+
+	return b;
+}
+
+float GkMaths::Max(float a, float b)
+{
+	if (a > b)
+		return a;
+
+	return b;
+}
+
+int GkMaths::Trim(int x, int min, int max)
+{
+	if (x < min)
+		return min;
+
+	if (x > max)
+		return max;
+
+	return x;
+}
+
+int GkMaths::Sign(int x)
+{
+	return x > 0 ? 1 : x < 0 ? -1 : 0;
+}
+
+float GkMaths::Sign(float x)
+{
+	return x > 0 ? 1.0f : x < 0 ? -1.0f : 0.0f;
+}
+
+float GkMaths::Abs(float x)
+{
+	return x >= 0 ? x : -x;
+}
+
+int GkMaths::Abs(int x)
+{
+	return x >= 0 ? x : -x;
+}
+
+int GkMaths::Random(int range)
+{
+	return rand() % range;
+}
+
+
+void GkMaths::Randomize()
+{
+	srand((unsigned int)time(NULL));
+}