void WaterSimulationApp::keyDown( KeyEvent event ){
switch(event.getChar()){
case 'r':fluidsys->reset(boxDimension);break;
case 'f':setFullScreen( ! isFullScreen() ); break;
case 'a':mAddNewForce=true;break;
}
switch(event.getCode()){
case KeyEvent::KEY_SPACE:mAnimate=!mAnimate;break;
case KeyEvent::KEY_ESCAPE:this->quit();break;
}
}
void WaterSimulationApp::setup(){
boxDimension=Vec3f(30.0f,30.0f,30.0f);
boxCenter=Vec3f(boxDimension)/2.0f;
//Fluid System setup
fluidsys=&stamfluid;
fluidsys->reset(boxDimension);
randomForce=Vec3f(2,3,-1);
randomForceX=boxCenter;
//// setup our default camera, looking down the z-axis
CameraPersp cam;
cam.setEyePoint(Vec3f(200, 50, 50));
cam.setCenterOfInterestPoint(boxCenter);
cam.setPerspective(60.0, getWindowAspectRatio(), 1.0, 1000.0);
mMayaCam.setCurrentCam(cam);
Matrix44f mvM=mMayaCam.getCamera().getModelViewMatrix();
gravity = Vec3f(mvM.m10,mvM.m11,mvM.m12);//col4:camera center, row: right,up,back
gravity*= 9.8f;
// Setup the parameters
mDrawGravity=false;
mAddNewForce=false;
mAnimate =false;
mDrawBox =true;
mParams = params::InterfaceGl::create( getWindow(), "Water Simulation Parameters", toPixels( Vec2i( 250,300 ) ) );
mParams->addParam("Draw Box", &mDrawBox);
mParams->addParam("Draw Grid",&mDrawGrid);
mParams->addParam("Draw Random Force",&mDrawForce);
mParams->addSeparator();
mParams->addParam("External Force Position",&randomForceX);
mParams->addParam("External Force Dir",&randomForce);
mParams->addParam("Draw Gravity",&mDrawGravity);
mParams->addParam("Draw Velocity", &(fluidsys->mDrawVelocity));
mParams->addSeparator();
mParams->addParam("Animate",&mAnimate);
mParams->addText("status","label=` `");
mParams->addParam("Time Elapsed",&(fluidsys->elapsed),"",true);
mParams->addSeparator();
mParams->addParam("Viscosity", &fluidsys->viscosity);
mParams->addParam("Diffusion Rate", &fluidsys->diffusion);
mParams->addParam("Buoyancy Rate",&fluidsys->buoyancy);
}