void CloudsVisualSystem3DModelLoader::setupGridVbos()
{
grid.clear();
float halfGridDim = gridDim / 2;
vector<ofVec3f> gridVertices(gridDim * 4);
for (int i=0; i<gridDim; i++)
{
gridVertices[i*4+0].set(i - halfGridDim, 0,-halfGridDim);
gridVertices[i*4+1].set(i - halfGridDim, 0, halfGridDim);
gridVertices[i*4+2].set(-halfGridDim, 0, i - halfGridDim);
gridVertices[i*4+3].set( halfGridDim, 0, i - halfGridDim);
}
grid.setVertexData( &gridVertices[0], gridVertices.size(), GL_STATIC_DRAW );
numGridVertices = gridVertices.size();
gridVertices.clear();
}
HRESULT Application::InitGridVertexBuffer()
{
HRESULT hr;
GridGenerator gridGen;
gridGen.CreateGrid(2000.0f, 2000.0f, 512, 512, grid, true); // Gives the terrain a size of 2000x2000 and a vertex size of 512x512, then sets it to use a heightmap
mGridVertexCount = grid.Vertices.size();
std::vector<SimpleVertex> gridVertices(mGridVertexCount);
UINT k = 0;
for (size_t i = 0; i < grid.Vertices.size(); i++, k++)
{
gridVertices[k].Pos = grid.Vertices[i].Position;
gridVertices[k].Normal = grid.Vertices[i].Normal;
gridVertices[k].TexC = grid.Vertices[i].TexC;
}
D3D11_BUFFER_DESC vbd;
ZeroMemory(&vbd, sizeof(vbd));
vbd.Usage = D3D11_USAGE_IMMUTABLE;
vbd.ByteWidth = sizeof(SimpleVertex) * mGridVertexCount;
vbd.BindFlags = D3D11_BIND_VERTEX_BUFFER;
vbd.CPUAccessFlags = 0;
vbd.MiscFlags = 0;
D3D11_SUBRESOURCE_DATA InitGridData;
ZeroMemory(&InitGridData, sizeof(InitGridData));
InitGridData.pSysMem = &gridVertices[0];
hr = _pd3dDevice->CreateBuffer(&vbd, &InitGridData, &_pGridVertexBuffer);
if (FAILED(hr))
return hr;
HRESULT hr3;
GridGenerator gridGen3;
gridGen3.CreateGrid(7000.0f, 7000.0f, 100, 100, grid3, false);
mGrid3VertexCount = grid3.Vertices.size();
std::vector<SimpleVertex> grid3Vertices(mGrid3VertexCount);
UINT k3 = 0;
for (size_t i3 = 0; i3 < grid3.Vertices.size(); i3++, k3++)
{
grid3Vertices[k3].Pos = grid3.Vertices[i3].Position;
grid3Vertices[k3].Normal = grid3.Vertices[i3].Normal;
grid3Vertices[k3].TexC = grid3.Vertices[i3].TexC;
}
D3D11_BUFFER_DESC vbd3;
ZeroMemory(&vbd3, sizeof(vbd3));
vbd3.Usage = D3D11_USAGE_IMMUTABLE;
vbd3.ByteWidth = sizeof(SimpleVertex) * mGrid3VertexCount;
vbd3.BindFlags = D3D11_BIND_VERTEX_BUFFER;
vbd3.CPUAccessFlags = 0;
vbd3.MiscFlags = 0;
D3D11_SUBRESOURCE_DATA InitGrid3Data;
ZeroMemory(&InitGrid3Data, sizeof(InitGrid3Data));
InitGrid3Data.pSysMem = &grid3Vertices[0];
hr3 = _pd3dDevice->CreateBuffer(&vbd3, &InitGrid3Data, &_pGrid3VertexBuffer);
if (FAILED(hr3))
return hr3;
return S_OK;
}
