/**
* @brief Adds a point to the list of vertices
*
* Adds a point to the list of vertices and updates the data on the
* OpenGL context.
*
* @param x The x-coordinate (in OpenGL normalized space)
* @param y The y-coordinate (int OpenGL normalized space)
*/
void PolygonTool::AddPoint(float x, float y)
{
pointsList.push_back(Point(x, y));
++pointCount;
UpdateVertexBuffer();
UpdateIndexBuffer();
}
//----------------------------------------------------------------------------
void Fluids3D::OnIdle ()
{
MeasureTime();
#ifdef USE_PARTICLES
bool particlesNeedUpdate = false;
#endif
mIndexBufferNeedsUpdate = false;
if (MoveCamera())
{
#ifdef USE_PARTICLES
particlesNeedUpdate = true;
#endif
mIndexBufferNeedsUpdate = true;
}
if (MoveObject())
{
#ifdef USE_PARTICLES
particlesNeedUpdate = true;
#endif
mIndexBufferNeedsUpdate = true;
mScene->Update();
}
#ifdef USE_PARTICLES
if (particlesNeedUpdate)
{
mCube->GenerateParticles(mCamera);
}
#endif
if (mIndexBufferNeedsUpdate)
{
UpdateIndexBuffer();
mIndexBufferNeedsUpdate = false;
}
if (!mSingleStep)
{
PhysicsTick();
}
GraphicsTick();
UpdateFrameCount();
}
//************//
//** EVENTS **//
//************//
void ParticleMesh::do_UPDATE(Events::Event* pEvt)
{
PE::Events::Event_UPDATE *pRealEvt = (PE::Events::Event_UPDATE *)(pEvt);
float frameTime = pRealEvt->m_frameTime;
//we have to update ALL buffers since we will be writing to the GPU
//if we don't keep their scaling proportional, we will get array axis
//errors
CameraSceneNode *pcam = CameraManager::Instance()->getActiveCamera()->getCamSceneNode();
m_eyePos = pcam->m_worldTransform.getPos();
UpdatePositionBuffer(m_eyePos, frameTime);
UpdateTextCoordBuffer(frameTime);
UpdateIndexBuffer(frameTime);
UpdateNormalBuffers(frameTime);
}
void FRenderD3D11::RenderFrame()
{
camera.CommitListener();
// ProcessInCPU();
float colorRGBA[4] = { 0.0f, 0.2f, 0.4f, 1.0f };
// clear the back buffer to a deep blue
m_pDeviceContext->ClearRenderTargetView(m_pBackbuffer, colorRGBA);
UpdateVertexBuffer();
UpdateIndexBuffer();
UpdateConstantBuffer();
// select which vertex buffer to display
UINT stride = sizeof(VERTEX);
UINT offset = 0;
m_pDeviceContext->IASetVertexBuffers(0, 1, &m_pVertexBuffer, &stride, &offset);
m_pDeviceContext->IASetIndexBuffer(m_pIndexBuffer, DXGI_FORMAT_R32_UINT, 0);
m_pDeviceContext->VSSetConstantBuffers(0, 1, &m_pCBuffer);
// select which primtive type we are using
m_pDeviceContext->IASetPrimitiveTopology(D3D10_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
D3D11_RASTERIZER_DESC desc;
ZeroMemory(&desc, sizeof(D3D11_RASTERIZER_DESC));
desc.CullMode = D3D11_CULL_BACK;
desc.FillMode = D3D11_FILL_WIREFRAME;
desc.FrontCounterClockwise = false;
desc.DepthClipEnable = true;
ID3D11RasterizerState* pRasterizerState = NULL;
m_pDevice->CreateRasterizerState(&desc, &pRasterizerState);
m_pDeviceContext->RSSetState(pRasterizerState);
// draw the vertex buffer to the back buffer
m_pDeviceContext->DrawIndexed(triCorn.indices.size(), 0, 0);
// switch the back buffer and the front buffer
m_pSwapchain->Present(0, 0);
}
//----------------------------------------------------------------------------
bool Fluids3D::OnInitialize ()
{
if (!WindowApplication3::OnInitialize())
{
return false;
}
// Create the pseudocoloring for display.
Vector3f key[9] =
{
Vector3f( 0.0f/255.0f, 0.0f/255.0f, 0.0f/255.0f), // black
Vector3f(128.0f/255.0f, 64.0f/255.0f, 64.0f/255.0f), // brown
Vector3f(128.0f/255.0f, 0.0f/255.0f, 255.0f/255.0f), // violet
Vector3f( 0.0f/255.0f, 0.0f/255.0f, 255.0f/255.0f), // blue
Vector3f( 0.0f/255.0f, 255.0f/255.0f, 0.0f/255.0f), // green
Vector3f(255.0f/255.0f, 255.0f/255.0f, 0.0f/255.0f), // yellow
Vector3f(255.0f/255.0f, 128.0f/255.0f, 0.0f/255.0f), // orange
Vector3f(255.0f/255.0f, 0.0f/255.0f, 0.0f/255.0f), // red
Vector3f(255.0f/255.0f, 255.0f/255.0f, 255.0f/255.0f) // white
};
for (int i = 0, j = 0; i < 8; ++i)
{
for (int k = 0; k < 32; ++k, ++j)
{
float t = k/32.0f;
float omt = 1.0f - t;
mColor[j][0] = omt*key[i][0] + t*key[i+1][0];
mColor[j][1] = omt*key[i][1] + t*key[i+1][1];
mColor[j][2] = omt*key[i][2] + t*key[i+1][2];
}
}
// Create the fluid solver.
float x0 = -0.5f, y0 = -0.5f, z0 = -0.5f;
float x1 = 0.5f, y1 = 0.5f, z1 = 0.5f;
float dt = 0.001f;
float denViscosity = 0.0001f, velViscosity = 0.0001f;
int imax = 23, jmax = 23, kmax = 23;
int numGaussSeidelIterations = 16;
bool densityDirichlet = true;
int numVortices = 8;
mSmoke = new0 Smoke3D<float>(x0, y0, z0, x1, y1, z1, dt, denViscosity,
velViscosity, imax, jmax, kmax, numGaussSeidelIterations,
densityDirichlet, numVortices);
mSmoke->Initialize();
// Set up the camera.
mCamera->SetFrustum(60.0f, GetAspectRatio(), 0.1f, 100.0f);
APoint camPosition(1.0f, 0.0f, 0.0f);
AVector camDVector(-1.0f, 0.0f, 0.0f);
AVector camUVector(0.0f, 0.0f, 1.0f);
AVector camRVector = camDVector.Cross(camUVector);
mCamera->SetFrame(camPosition, camDVector, camUVector, camRVector);
// Create the scene.
CreateScene();
mScene->Update();
#ifdef USE_PARTICLES
mCube->GenerateParticles(mCamera);
#endif
UpdateVertexBuffer();
UpdateIndexBuffer();
// The scene is controlled by a virtual trackball.
InitializeCameraMotion(0.01f, 0.01f);
InitializeObjectMotion(mScene);
return true;
}
//----------------------------------------------------------------------------
void Fluids3D::PhysicsTick ()
{
mSmoke->DoSimulationStep();
UpdateVertexBuffer();
UpdateIndexBuffer();
}
