bool CLiquidbodyExample::OnEvent(const SEvent& event)
{
if (!device)
return false;
switch(event.EventType)
{
case EET_MOUSE_INPUT_EVENT:
{
if(event.MouseInput.Event==EMIE_LMOUSE_PRESSED_DOWN)
{
IRigidBody* body = shootCube(vector3df(10,10,10), 2, "crate.jpg");
irr::f32 t = 0.5f;
irr::f32 buoyancy = 0.8f;
irr::core::array<SBuoyancyPoint> points;
//points.push_back(SBuoyancyPoint(irr::core::vector3df(0,0,0), 180.0f));
points.push_back(SBuoyancyPoint(irr::core::vector3df(t,t,t), buoyancy));
points.push_back(SBuoyancyPoint(irr::core::vector3df(-t,t,t), buoyancy));
points.push_back(SBuoyancyPoint(irr::core::vector3df(-t,t,-t), buoyancy));
points.push_back(SBuoyancyPoint(irr::core::vector3df(t,t,-t), buoyancy));
points.push_back(SBuoyancyPoint(irr::core::vector3df(-t,-t,t), buoyancy));
points.push_back(SBuoyancyPoint(irr::core::vector3df(t,-t,t), buoyancy));
points.push_back(SBuoyancyPoint(irr::core::vector3df(-t,-t,-t), buoyancy));
points.push_back(SBuoyancyPoint(irr::core::vector3df(t,-t,-t), buoyancy));
body->setBuoyancyPoints(points);
return true;
}
else
if(event.MouseInput.Event==EMIE_RMOUSE_PRESSED_DOWN)
{
IRigidBody* body = shootSphere(vector3df(0.2,0.2,0.2), 0.2);
body->getBuoyancyPointByIndex(0).buoyancy = 0.0f;
return true;
}
}
break;
case EET_KEY_INPUT_EVENT:
{
if(event.KeyInput.Key == KEY_KEY_P && event.KeyInput.PressedDown == false)
{
world->pauseSimulation(!world->simulationPaused());
return true;
}
}
break;
default:
break;
}
return false;
}
void CLiquidbodyExample::runExample()
{
debugDraw = true;
drawProperties = true;
drawWireFrame = false;
int rows=2, columns=2;
device =
createDevice( video::EDT_OPENGL, dimension2d<u32>(640, 480), 16,
false, false, false, this);
printf("Please enter the number of rows and columns of floating objects to create: \n");
cin >> rows;
cin >> columns;
device->setWindowCaption(L"irrBullet Liquidbody Example - Josiah Hartzell");
device->getFileSystem()->addFolderFileArchive("../../media/");
ILightSceneNode* light = device->getSceneManager()->addLightSceneNode(0, vector3df(20, 40, -50), SColorf(1.0f, 1.0f, 1.0f), 4000.0f);
light->setLightType(ELT_DIRECTIONAL);
light->setRotation(vector3df(0,200,30));
device->getSceneManager()->setAmbientLight(SColor(100,100,100,100));
camera = device->getSceneManager()->addCameraSceneNodeFPS();
camera->setPosition(vector3df(50,15,4));
camera->setTarget(vector3df(0,0,0));
////////////////////////////
// Create irrBullet World //
////////////////////////////
world = createIrrBulletWorld(device, true, debugDraw);
world->setDebugMode(EPDM_DrawAabb |
EPDM_DrawContactPoints);
world->setGravity(vector3df(0,-10,0));
ILiquidBody* water = world->addLiquidBody(vector3df(-5000,0,5000),irr::core::aabbox3df(0, -10000, 0, 10000, 0, 10000), 500.0f, 200.0f);
water->setCurrentDirection(vector3df(0,0,0));
water->setGlobalWaveChangeIncrement(0.01f);
water->setGlobalWaveUpdateFrequency(1.0f);
water->setMaxGlobalWaveHeight(4.0f);
water->setMinGlobalWaveHeight(-1.0f);
water->setLocalWaveValues(10,1,0.5f);
water->setInfinite(true);
water->setInfiniteDepth(true);
water->setLiquidDensity(0.1f);
//water->setDebugDrawEnabled(false);
IAnimatedMesh* mesh = device->getSceneManager()->addHillPlaneMesh( "myHill",
core::dimension2d<f32>(20,20),
core::dimension2d<u32>(40,40), 0, 0,
core::dimension2d<f32>(0,0),
core::dimension2d<f32>(1000,1000));
ISceneNode* node = device->getSceneManager()->addWaterSurfaceSceneNode(mesh->getMesh(0), 0.0f, 300.0f, 30.0f);
node->setPosition(core::vector3df(0,5,0));
node->setMaterialTexture(0, device->getVideoDriver()->getTexture("water.jpg"));
node->setScale(vector3df(1000,1,1000));
node->setMaterialType(EMT_TRANSPARENT_ADD_COLOR);
node->setMaterialFlag(EMF_BACK_FACE_CULLING, false);
for(u32 i=0; i < rows; i++)
{
for(u32 j=0; j < columns; j++)
{
IRigidBody* body = addCube(vector3df(i*15,0,j*15), vector3df(10,10,10), 1, "crate.jpg");
irr::f32 t = 0.5f;
irr::f32 buoyancy = 0.2f;
irr::core::array<SBuoyancyPoint> points;
//points.push_back(SBuoyancyPoint(irr::core::vector3df(0,0,0), 180.0f));
points.push_back(SBuoyancyPoint(irr::core::vector3df(t,t,t), buoyancy));
points.push_back(SBuoyancyPoint(irr::core::vector3df(-t,t,t), buoyancy));
points.push_back(SBuoyancyPoint(irr::core::vector3df(-t,t,-t), buoyancy));
points.push_back(SBuoyancyPoint(irr::core::vector3df(t,t,-t), buoyancy));
points.push_back(SBuoyancyPoint(irr::core::vector3df(-t,-t,t), buoyancy));
points.push_back(SBuoyancyPoint(irr::core::vector3df(t,-t,t), buoyancy));
points.push_back(SBuoyancyPoint(irr::core::vector3df(-t,-t,-t), buoyancy));
points.push_back(SBuoyancyPoint(irr::core::vector3df(t,-t,-t), buoyancy));
/*ICollisionObjectAffectorBuoyancy* affector = new ICollisionObjectAffectorBuoyancy(points,
irr::core::aabbox3df(0, -100, 0, 10000, 0, 10000), 1);
affector->setDebugDrawing(true);
body->addAffector(affector);*/
body->setBuoyancyPoints(points);
//body->setActivationState(EAS_DISABLE_DEACTIVATION);
}
}
// Set our delta time and time stamp
u32 TimeStamp = device->getTimer()->getTime();
u32 DeltaTime = 0;
while(device->run())
{
device->getVideoDriver()->beginScene(true, true, SColor(255,100,101,140));
DeltaTime = device->getTimer()->getTime() - TimeStamp;
TimeStamp = device->getTimer()->getTime();
// Step the simulation with our delta time
world->stepSimulation(DeltaTime*0.001f, 120);
//static_cast<ISoftBody*>(world->getCollisionObjectByName("SOFTBODY1"))->addForce(vector3df(-2,0,0));
//world->debugDrawWorld(debugDraw);
// This call will draw the technical properties of the physics simulation
// to the GUI environment.
world->debugDrawProperties(drawProperties);
device->getSceneManager()->drawAll();
device->getGUIEnvironment()->drawAll();
device->getVideoDriver()->endScene();
}
//delete Liquid;
// We're done with the IrrBullet world, so we free the memory that it takes up.
if(world)
delete world;
if(device)
device->drop();
}
