update tutorial for SIGGRAPH course

allow multiple graphing windows at the same time

examples/Tutorial/Tutorial.h

@@ -1,6 +1,14 @@
 #ifndef TUTORIAL_H
 #define TUTORIAL_H
 
+enum EnumTutorialTypes
+{
+	TUT_VELOCITY=0,
+	TUT_ACCELERATION,
+	TUT_COLLISION,
+	TUT_SOLVE_CONTACT_CONSTRAINT,
+};
+
 class	CommonExampleInterface*    TutorialCreateFunc(struct CommonExampleOptions& options);
 
 #endif //TUTORIAL_H