Add grasp box example and fixjoint boxes example.

tmp

gripper is working?

fix joint example

examples/ExampleBrowser/CMakeLists.txt

@@ -148,6 +148,8 @@ SET(BulletExampleBrowser_SRCS
 
         ../BulletRobotics/BoxStack.cpp
         ../BulletRobotics/JointLimit.cpp
+        ../BulletRobotics/GraspBox.cpp
+        ../BulletRobotics/FixJointBoxes.cpp
 
 	../TinyRenderer/geometry.cpp
 	../TinyRenderer/model.cpp

examples/ExampleBrowser/ExampleEntries.cpp

@@ -6,6 +6,8 @@
 #include "../BulletRobotics/BoxStack.h"
 #include "../BulletRobotics/FixJointBoxes.h"
 #include "../BulletRobotics/JointLimit.h"
+#include "../BulletRobotics/GraspBox.h"
+#include "../BulletRobotics/FixJointBoxes.h"
 #include "../RenderingExamples/RenderInstancingDemo.h"
 #include "../RenderingExamples/CoordinateSystemDemo.h"
 #include "../RenderingExamples/RaytracerSetup.h"
@@ -132,9 +134,12 @@ static ExampleEntry gDefaultExamples[] =
 
 		ExampleEntry(1, "Soft Contact", "Using the error correction parameter (ERP) and constraint force mixing (CFM) values for contacts to simulate compliant contact.", RigidBodySoftContactCreateFunc),
 
+
 		ExampleEntry(0, "Bullet Robotics"),
 		ExampleEntry(1, "Box Stack", "Create a stack of boxes of large mass ratio.", BoxStackExampleCreateFunc),
 		ExampleEntry(1, "Joint Limit", "Create three objects joint together", JointLimitCreateFunc),
+		ExampleEntry(1, "Grasp Box", "A robot arm of large mass tries to grasp a box of small mass", GraspBoxCreateFunc),
+		ExampleEntry(1, "FixJoint Boxes", "FixJoint Boxes", FixJointBoxesCreateFunc),
 
 		ExampleEntry(0, "MultiBody"),
 		ExampleEntry(1, "MultiDof", "Create a basic btMultiBody with 3-DOF spherical joints (mobilizers). The demo uses a fixed base or a floating base at restart.", MultiDofCreateFunc),