add user interface to select Soft Body demo

Demos/AllBulletDemos/DemoEntries.cpp

@@ -97,9 +97,26 @@ public:
 
 };
 
+
 btDemoEntry g_demoEntries[] =
 {
-	{"SoftBodyDemo",SoftDemo::Create},
+	{"SoftBody Cloth",SoftDemo0::Create},
+	{"SoftBody Pressure",SoftDemo1::Create},
+	{"SoftBody Volume",SoftDemo2::Create},
+	{"SoftBody Ropes",SoftDemo3::Create},
+	{"SoftBody Ropes Attach",SoftDemo4::Create},
+	{"SoftBody Cloth Attach",SoftDemo5::Create},
+	{"SoftBody Sticks",SoftDemo6::Create},
+	{"SoftBody Collide",SoftDemo7::Create},
+	{"SoftBody Collide2",SoftDemo8::Create},
+	{"SoftBody Collide3",SoftDemo9::Create},
+	{"SoftBody Impact",SoftDemo10::Create},
+	{"SoftBody Aero",SoftDemo11::Create},
+	{"SoftBody Friction",SoftDemo12::Create},
+	{"SoftBody Torus",SoftDemo13::Create},
+	{"SoftBody Torus Match",SoftDemo14::Create},
+	{"SoftBody Bunny",SoftDemo15::Create},
+	{"SoftBody Bunny Match",SoftDemo16::Create},	
 	{"DynamicControlDemo",MotorDemo::Create},
 	{"RagdollDemo",RagdollDemo::Create},
 	{"BasicDemo", BasicDemo::Create},	

Demos/SoftDemo/SoftDemo.cpp

@@ -769,7 +769,7 @@ static void	Init_TorusMatch(SoftDemo* pdemo)
 
 }
 
-static unsigned	current_demo=14;
+unsigned	current_demo=14;
 
 void	SoftDemo::clientResetScene()
 {

Demos/SoftDemo/SoftDemo.h

@@ -116,6 +116,41 @@ public:
 
 };
 
+#define MACRO_SOFT_DEMO(a) class SoftDemo##a : public SoftDemo\
+{\
+public:\
+	static DemoApplication* Create()\
+	{\
+		SoftDemo* demo = new SoftDemo##a;\
+		extern unsigned int current_demo;\
+		current_demo=a;\
+		demo->myinit();\
+		demo->initPhysics();\
+		return demo;\
+	}\
+};
+
+
+MACRO_SOFT_DEMO(0) //Init_Cloth
+MACRO_SOFT_DEMO(1) //Init_Pressure
+MACRO_SOFT_DEMO(2)//Init_Volume
+MACRO_SOFT_DEMO(3)//Init_Ropes
+MACRO_SOFT_DEMO(4)//Init_Ropes_Attach
+MACRO_SOFT_DEMO(5)//Init_ClothAttach
+MACRO_SOFT_DEMO(6)//Init_Sticks
+MACRO_SOFT_DEMO(7)//Init_Collide
+MACRO_SOFT_DEMO(8)//Init_Collide2
+MACRO_SOFT_DEMO(9)//Init_Collide3
+MACRO_SOFT_DEMO(10)//Init_Impact
+MACRO_SOFT_DEMO(11)//Init_Aero
+MACRO_SOFT_DEMO(12)//Init_Friction
+MACRO_SOFT_DEMO(13)//Init_Torus
+MACRO_SOFT_DEMO(14)//Init_TorusMatch
+MACRO_SOFT_DEMO(15)//Init_Bunny
+MACRO_SOFT_DEMO(16)//Init_BunnyMatch
+
+
+
 #endif //CCD_PHYSICS_DEMO_H