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diff --git a/dep/g3dlite/include/G3D/SplineExtrapolationMode.h b/dep/g3dlite/include/G3D/SplineExtrapolationMode.h
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+++ b/dep/g3dlite/include/G3D/SplineExtrapolationMode.h
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+/** 
+  \file G3D/SplineExtrapolationMode.h
+ 
+  \maintainer Michael Mara, http://graphics.cs.williams.edu
+ 
+  \created 2013-01-24
+  \edited  2013-01-24
+
+  Copyright 2000-2013, Morgan McGuire.
+  All rights reserved.
+ */
+
+#ifndef G3D_SplineExtrapolationMode_h
+#define G3D_SplineExtrapolationMode_h
+
+#include "G3D/platform.h"
+#include "G3D/enumclass.h"
+
+
+namespace G3D {
+
+/** 
+  Describes the behavior of G3D::Spline, etc. when accessing a time outside of the control point range.
+
+  Refer to these as scoped enums, e.g., <code>SplineExtrapolationMode m = SplineExtrapolationMode::CLAMP;</code>.
+
+  Uses the "Intelligent Enum" design pattern 
+  http://www.codeguru.com/cpp/cpp/cpp_mfc/article.php/c4001/
+ */ 
+class SplineExtrapolationMode {
+public:
+    /** Don't use this enum; use SplineExtrapolationMode instances instead. */
+    enum Value {
+        CYCLIC,
+        LINEAR,
+        CLAMP
+    };
+    Value value;
+private:
+    
+    static const char* toString(int i, Value& v) {
+        static const char* str[] = {"CYCLIC", "LINEAR", "CLAMP", NULL}; 
+        static const Value val[] = {CYCLIC, LINEAR, CLAMP};
+        const char* s = str[i];
+        if (s) {
+            v = val[i];
+        }
+        return s;
+    }
+
+public:
+
+    G3D_DECLARE_ENUM_CLASS_METHODS(SplineExtrapolationMode);
+};
+
+
+
+
+/** 
+  Describes the behavior of G3D::Spline
+ */ 
+class SplineInterpolationMode {
+public:
+    /** Don't use this enum; use SplineExtrapolationMode instances instead. */
+    enum Value {
+        LINEAR,
+        CUBIC
+    };
+    Value value;
+private:
+    
+    static const char* toString(int i, Value& v) {
+        static const char* str[] = {"LINEAR", "CUBIC", NULL}; 
+        static const Value val[] = {LINEAR, CUBIC};
+        const char* s = str[i];
+        if (s) {
+            v = val[i];
+        }
+        return s;
+    }
+
+public:
+
+    G3D_DECLARE_ENUM_CLASS_METHODS(SplineInterpolationMode);
+
+};
+
+
+} // namespace G3D
+
+G3D_DECLARE_ENUM_CLASS_HASHCODE(G3D::SplineExtrapolationMode);
+G3D_DECLARE_ENUM_CLASS_HASHCODE(G3D::SplineInterpolationMode);
+
+#endif