add initial examples, replacing the 'Demos/Demos3'. Will make it work cross-platform, OpenGL3/OpenGL2 and add more examples to it.

examples/BasicDemo/BasicExample.cpp

@@ -0,0 +1,115 @@
+
+
+#include "BasicExample.h"
+
+#include "btBulletDynamicsCommon.h"
+#define ARRAY_SIZE_Y 5
+#define ARRAY_SIZE_X 5
+#define ARRAY_SIZE_Z 5
+
+#include "LinearMath/btVector3.h"
+#include "LinearMath/btAlignedObjectArray.h"
+
+#include "../CommonInterfaces/CommonRigidBodyBase.h"
+
+
+struct BasicExample : public CommonRigidBodyBase
+{
+	BasicExample(struct GUIHelperInterface* helper)
+		:CommonRigidBodyBase(helper)
+	{
+	}
+	virtual ~BasicExample(){}
+	virtual void initPhysics();
+};
+
+void BasicExample::initPhysics()
+{
+	m_guiHelper->setUpAxis(1);
+
+	createEmptyDynamicsWorld();
+	
+	m_guiHelper->createPhysicsDebugDrawer(m_dynamicsWorld);
+
+	if (m_dynamicsWorld->getDebugDrawer())
+		m_dynamicsWorld->getDebugDrawer()->setDebugMode(btIDebugDraw::DBG_DrawWireframe+btIDebugDraw::DBG_DrawContactPoints);
+
+	///create a few basic rigid bodies
+	btBoxShape* groundShape = createBoxShape(btVector3(btScalar(50.),btScalar(50.),btScalar(50.)));
+	m_guiHelper->createCollisionShapeGraphicsObject(groundShape);
+
+	//groundShape->initializePolyhedralFeatures();
+//	btCollisionShape* groundShape = new btStaticPlaneShape(btVector3(0,1,0),50);
+	
+	m_collisionShapes.push_back(groundShape);
+
+	btTransform groundTransform;
+	groundTransform.setIdentity();
+	groundTransform.setOrigin(btVector3(0,-50,0));
+
+	{
+		btScalar mass(0.);
+		btRigidBody* body = createRigidBody(mass,groundTransform,groundShape, btVector4(0,0,1,1));
+		m_guiHelper->createRigidBodyGraphicsObject(body, btVector3(0, 1, 0));
+	}
+
+
+	{
+		//create a few dynamic rigidbodies
+		// Re-using the same collision is better for memory usage and performance
+
+		btBoxShape* colShape = createBoxShape(btVector3(1,1,1));
+		m_guiHelper->createCollisionShapeGraphicsObject(colShape);
+
+		//btCollisionShape* colShape = new btSphereShape(btScalar(1.));
+		m_collisionShapes.push_back(colShape);
+
+		/// Create Dynamic Objects
+		btTransform startTransform;
+		startTransform.setIdentity();
+
+		btScalar	mass(1.f);
+
+		//rigidbody is dynamic if and only if mass is non zero, otherwise static
+		bool isDynamic = (mass != 0.f);
+
+		btVector3 localInertia(0,0,0);
+		if (isDynamic)
+			colShape->calculateLocalInertia(mass,localInertia);
+
+
+		for (int k=0;k<ARRAY_SIZE_Y;k++)
+		{
+			for (int i=0;i<ARRAY_SIZE_X;i++)
+			{
+				for(int j = 0;j<ARRAY_SIZE_Z;j++)
+				{
+					startTransform.setOrigin(btVector3(
+										btScalar(2.0*i),
+										btScalar(20+2.0*k),
+										btScalar(2.0*j)));
+
+			
+					btRigidBody* body = createRigidBody(mass,startTransform,colShape);
+					m_guiHelper->createRigidBodyGraphicsObject(body, btVector3(1, 1, 0));
+
+				}
+			}
+		}
+	}
+
+
+}
+
+
+
+ExampleInterface*    BasicExampleCreateFunc(PhysicsInterface* pint, GUIHelperInterface* helper, int option)
+{
+	return new BasicExample(helper);
+}
+
+
+
+
+
+