From ccddec68116fc6403858ebfa13d4a7b1aa3d5278 Mon Sep 17 00:00:00 2001
From: "N.N." <matju@users.sourceforge.net>
Date: Sun, 18 Oct 2009 20:01:19 +0000
Subject: hi gridflow 0.9.5

svn path=/trunk/; revision=12611
---
 externals/gridflow/bundled/Base/GemVector.h | 77 +++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 externals/gridflow/bundled/Base/GemVector.h

(limited to 'externals/gridflow/bundled/Base/GemVector.h')

diff --git a/externals/gridflow/bundled/Base/GemVector.h b/externals/gridflow/bundled/Base/GemVector.h
new file mode 100644
index 00000000..ce000833
--- /dev/null
+++ b/externals/gridflow/bundled/Base/GemVector.h
@@ -0,0 +1,77 @@
+/*-----------------------------------------------------------------
+LOG
+    GEM - Graphics Environment for Multimedia
+
+    vector-classes
+
+    zmoelnig@iem.at, tigital@mac.com
+
+    For information on usage and redistribution, and for a DISCLAIMER OF ALL
+    WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution.
+
+-----------------------------------------------------------------*/
+
+#ifndef INCLUDE_GEMVECTOR_H_
+#define INCLUDE_GEMVECTOR_H_
+
+#include "Base/GemExportDef.h"
+
+
+
+// This is our 2D point class.  This will be used to store the UV coordinates.
+class GEM_EXTERN CVector2 {
+public:
+    float x, y;
+};
+
+
+// This is our basic 3D point/vector class
+class GEM_EXTERN CVector3 {
+public:
+  // the elements of a vector:
+  float x, y, z; 
+    
+    // A default constructor
+  CVector3();
+
+    // This is our constructor that allows us to initialize our data upon creating an instance
+    CVector3(float X, float Y, float Z);
+
+    // Here we overload the + operator so we can add vectors together 
+    CVector3 operator+(CVector3 vVector);
+
+    // Here we overload the - operator so we can subtract vectors 
+    CVector3 operator-(CVector3 vVector);
+
+    // Here we overload the - operator so we can negate the vector
+    CVector3 operator-();
+
+    // Here we overload the * operator so we can multiply by scalars
+    CVector3 operator*(float num);
+
+    // Here we overload the * operator so we can dot-multiply 
+    float    operator*(CVector3 vVector);
+
+     // cross-multiplication
+    CVector3 cross(CVector3 vVector);
+
+    // Here we overload the / operator so we can divide by a scalar
+    CVector3 operator/(float num);
+
+
+    // here we calculate the absolute-value of the vector
+    float abs();
+
+    // here we calculate the square of the absolute-value of the vector
+    float abs2();
+
+    // here we normalize the vector
+    CVector3 normalize();
+
+    // here we compare 2 vectors on approx. equality
+    bool equals(CVector3 vVector, float epsilon);
+
+    
+};
+
+#endif /* INCLUDE_GEMVECTOR_H_ */
-- 
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