From c0b4871f6cde00132a7056f24b95a0b35f50c8eb Mon Sep 17 00:00:00 2001
From: erwin coumans <erwincoumans@google.com>
Date: Fri, 17 Oct 2014 10:19:16 -0700
Subject: [PATCH] fix build error in SupportFuncDemo.h

---
 Demos3/bullet2/CollisionDetection/SupportFuncDemo.h | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/Demos3/bullet2/CollisionDetection/SupportFuncDemo.h b/Demos3/bullet2/CollisionDetection/SupportFuncDemo.h
index 6724be321..7e28b274b 100644
--- a/Demos3/bullet2/CollisionDetection/SupportFuncDemo.h
+++ b/Demos3/bullet2/CollisionDetection/SupportFuncDemo.h
@@ -5,6 +5,8 @@
 #include "OpenGLWindow/CommonGraphicsApp.h"
 #include "BulletCollision/CollisionShapes/btSphereShape.h"
 
+
+///quick demo showing the support map function (localGetSupportingVertex)
 class MySupportFuncDemo : public BulletDemoInterface
 {
     CommonGraphicsApp* m_app;
@@ -96,15 +98,15 @@ public:
     }
     virtual bool	mouseMoveCallback(float x,float y)
     {
-        
+		return false;   
     }
     virtual bool	mouseButtonCallback(int button, int state, float x, float y)
     {
-        
+        return false;   
     }
     virtual bool	keyboardCallback(int key, int state)
     {
-        
+        return false;   
     }
     
 };