second good build. Joints

MbDCode/Constraint.cpp

@@ -1 +1,31 @@
 #include "Constraint.h"
+//#include "Item.h"
+
+using namespace MbD;
+
+Constraint::Constraint()
+{
+	initialize();
+}
+
+Constraint::Constraint(const char* str) : Item(str)
+{
+	initialize();
+}
+
+void Constraint::initialize()
+{
+	iG = -1;
+	aG = 0.0;
+	lam = 0.0;
+}
+
+void Constraint::setOwner(Item* x)
+{
+	owner = x;
+}
+
+Item* Constraint::getOwner()
+{
+	return owner;
+}