void OBTutorial2::createBoxShape(Ogre::Entity* entity, Ogre::Vector3 position, bool bStatic)
{
Ogre::SceneNode *node = entity->getParentSceneNode();
Vector3 size = node->_getDerivedScale()*entity->getBoundingBox().getHalfSize();
float mass = bStatic ? 0.0f : 1.0f;
srand( (unsigned)time( NULL ) );
node->setPosition(position);
node->setOrientation(Quaternion(Degree(Ogre::Math::RangeRandom(0.0,60.0)), Vector3::UNIT_Y));
btBoxShape *sceneBoxShape = new btBoxShape(toBulletVector(size)); // konvertovat vektor size
// and the Bullet rigid body
MyMotionState * defaultMotionState = new MyMotionState(btTransform(btQuaternion(btScalar(0),btScalar(0),btScalar(0),btScalar(1))), node);
btRigidBody *defaultBody = new btRigidBody(btScalar(1), defaultMotionState, sceneBoxShape);
/* defaultBody->setShape(node,
sceneBoxShape,
0.6f, // dynamic body restitution
0.6f, // dynamic body friction
mass, // dynamic bodymass
node->_getDerivedPosition(), // starting position of the box
node->_getDerivedOrientation()); // orientation of the box**/
mShapes.push_back(sceneBoxShape);
mBodies.push_back(defaultBody);
mNumEntitiesInstanced++;
}
void PhysicsCharacterController::create( const PhysicsShape& shape, const Vector3& position, float gravity )
{
btConvexShape* pShape = static_cast< btConvexShape* >( shape.getNativeShape() );
btTransform transform;
transform.setIdentity();
transform.setOrigin( toBulletVector( position ) );
m_ghostObject.setWorldTransform( transform );
m_ghostObject.setCollisionShape( pShape );
m_ghostObject.setCollisionFlags( btCollisionObject::CF_CHARACTER_OBJECT );
m_controller = btKinematicCharacterController( &m_ghostObject, pShape, 0.35f );
m_controller.setGravity( gravity );
}
void PhysicsCharacterController::move( const Vector3& direction )
{
m_controller.setWalkDirection( toBulletVector( direction ) );
}
//-------------------------------------------------------------------------------------
void OBTutorial2::createScene(void)
{
mCamera->setPosition(Vector3(0,18,70));
mCamera->lookAt(Vector3(0,0,-300));
mCamera->setNearClipDistance(5);
mSceneMgr->setAmbientLight(Ogre::ColourValue(0.9, 0.9, 0.9));
// Start Bullet
mWorld = new btDiscreteDynamicsWorld(mDispatcher, // gravity vector for Bullet
mBroadphase, mSolver, mCollisionConfiguration );
// add Debug info display tool
//debugDrawer = new OgreBulletCollisions::DebugDrawer();
//debugDrawer->setDrawWireframe(true); // we want to see the Bullet containers
//mWorld->setDebugDrawer(debugDrawer);
//mWorld->setShowDebugShapes(true); // enable it if you want to see the Bullet containers
//SceneNode *node = mSceneMgr->getRootSceneNode()->createChildSceneNode("debugDrawer", Ogre::Vector3::ZERO);
//node->attachObject(static_cast <SimpleRenderable *> (debugDrawer));
// Define a floor plane mesh
Entity *ent;
Plane p;
p.normal = Vector3(0,1,0); p.d = 0;
MeshManager::getSingleton().createPlane("FloorPlane",
ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
p, 200000, 200000, 20, 20, true, 1, 9000, 9000,
Vector3::UNIT_Z);
// Create an entity (the floor)
ent = mSceneMgr->createEntity("floor", "FloorPlane");
ent->setMaterialName("Examples/BumpyMetal");
mSceneMgr->getRootSceneNode()->createChildSceneNode()->attachObject(ent);
// add collision detection to it
btCollisionShape *Shape;
Shape = new btStaticPlaneShape(toBulletVector(Ogre::Vector3(0,1,0)), 0); // (normal vector, distance)
// a body is needed for the shape
MyMotionState * defaultMotionState = new MyMotionState(btTransform(btQuaternion(btScalar(0),btScalar(0),btScalar(0),btScalar(1))), ent->getParentSceneNode());
btRigidBody *defaultBody = new btRigidBody(btScalar(1), defaultMotionState, Shape);
btRigidBody *defaultPlaneBody = new btRigidBody(btScalar(0), defaultMotionState, Shape);
//defaultPlaneBody->setStaticShape(Shape, 0.1, 0.8);// (shape, restitution, friction)
// push the created objects to the deques
mShapes.push_back(Shape);
mBodies.push_back(defaultPlaneBody);
// create an cube mesh
Entity *entity = mSceneMgr->createEntity(
"Box" + StringConverter::toString(mNumEntitiesInstanced),
"cube.mesh");
entity->setMaterialName("Examples/BumpyMetal");
Ogre::SceneNode *node = mSceneMgr->getRootSceneNode()->createChildSceneNode();
node->attachObject(entity);
node->scale(0.05f, 0.05f, 0.05f); // the cube is too big for us
createBoxShape(entity, Ogre::Vector3(0.0,0.0,0.0), false);
}
