initial working frustum culling implementation

[chaz/yoink] / src / Moof / stlplus / foursome.tpp

diff --git a/src/Moof/stlplus/foursome.tpp b/src/Moof/stlplus/foursome.tpp
new file mode 100755 (executable)
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+++ b/src/Moof/stlplus/foursome.tpp
@@ -0,0 +1,59 @@
+////////////////////////////////////////////////////////////////////////////////\r
+\r
+//   Author:    Andy Rushton, from an original by Dan Milton\r
+//   Copyright: (c) Southampton University 1999-2004\r
+//              (c) Andy Rushton           2004-2009\r
+//   License:   BSD License, see ../docs/license.html\r
+\r
+////////////////////////////////////////////////////////////////////////////////\r
+\r
+namespace stlplus\r
+{\r
+\r
+  ////////////////////////////////////////////////////////////////////////////////\r
+  // the foursome class\r
+\r
+  template<typename T1, typename T2, typename T3, typename T4>\r
+  foursome<T1,T2,T3,T4>::foursome(void) :\r
+    first(), second(), third(), fourth()\r
+  {\r
+  }\r
+\r
+  template<typename T1, typename T2, typename T3, typename T4>\r
+  foursome<T1,T2,T3,T4>::foursome(const T1& p1, const T2& p2, const T3& p3, const T4& p4) :\r
+    first(p1), second(p2), third(p3), fourth(p4)\r
+  {\r
+  }\r
+\r
+  template<typename T1, typename T2, typename T3, typename T4>\r
+  foursome<T1,T2,T3,T4>::foursome(const foursome<T1,T2,T3,T4>& t2) :\r
+    first(t2.first), second(t2.second), third(t2.third), fourth(t2.fourth)\r
+  {\r
+  }\r
+\r
+  ////////////////////////////////////////////////////////////////////////////////\r
+  // creation\r
+\r
+  template<typename T1, typename T2, typename T3, typename T4>\r
+  foursome<T1,T2,T3,T4> make_foursome(const T1& first, const T2& second, const T3& third, const T4& fourth)\r
+  {\r
+    return foursome<T1,T2,T3,T4>(first,second,third,fourth);\r
+  }\r
+\r
+  ////////////////////////////////////////////////////////////////////////////////\r
+  // comparison\r
+\r
+  template<typename T1, typename T2, typename T3, typename T4>\r
+  bool operator == (const foursome<T1,T2,T3,T4>& left, const foursome<T1,T2,T3,T4>& right)\r
+  {\r
+    // foursomes are equal if all elements are equal\r
+    return \r
+      left.first == right.first && \r
+      left.second == right.second && \r
+      left.third == right.third &&\r
+      left.fourth == right.fourth;\r
+  }\r
+\r
+  ////////////////////////////////////////////////////////////////////////////////\r
+\r
+} // end namespace stlplus\r