void WavesCSApp::BuildLandGeometry()
{
GeometryGenerator geoGen;
GeometryGenerator::MeshData grid = geoGen.CreateGrid(160.0f, 160.0f, 50, 50);
//
// Extract the vertex elements we are interested and apply the height function to
// each vertex. In addition, color the vertices based on their height so we have
// sandy looking beaches, grassy low hills, and snow mountain peaks.
//
std::vector<Vertex> vertices(grid.Vertices.size());
for(size_t i = 0; i < grid.Vertices.size(); ++i)
{
auto& p = grid.Vertices[i].Position;
vertices[i].Pos = p;
vertices[i].Pos.y = GetHillsHeight(p.x, p.z);
vertices[i].Normal = GetHillsNormal(p.x, p.z);
vertices[i].TexC = grid.Vertices[i].TexC;
}
const UINT vbByteSize = (UINT)vertices.size() * sizeof(Vertex);
std::vector<std::uint16_t> indices = grid.GetIndices16();
const UINT ibByteSize = (UINT)indices.size() * sizeof(std::uint16_t);
auto geo = std::make_unique<MeshGeometry>();
geo->Name = "landGeo";
ThrowIfFailed(D3DCreateBlob(vbByteSize, &geo->VertexBufferCPU));
CopyMemory(geo->VertexBufferCPU->GetBufferPointer(), vertices.data(), vbByteSize);
ThrowIfFailed(D3DCreateBlob(ibByteSize, &geo->IndexBufferCPU));
CopyMemory(geo->IndexBufferCPU->GetBufferPointer(), indices.data(), ibByteSize);
geo->VertexBufferGPU = d3dUtil::CreateDefaultBuffer(md3dDevice.Get(),
mCommandList.Get(), vertices.data(), vbByteSize, geo->VertexBufferUploader);
geo->IndexBufferGPU = d3dUtil::CreateDefaultBuffer(md3dDevice.Get(),
mCommandList.Get(), indices.data(), ibByteSize, geo->IndexBufferUploader);
geo->VertexByteStride = sizeof(Vertex);
geo->VertexBufferByteSize = vbByteSize;
geo->IndexFormat = DXGI_FORMAT_R16_UINT;
geo->IndexBufferByteSize = ibByteSize;
SubmeshGeometry submesh;
submesh.IndexCount = (UINT)indices.size();
submesh.StartIndexLocation = 0;
submesh.BaseVertexLocation = 0;
geo->DrawArgs["grid"] = submesh;
mGeometries["landGeo"] = std::move(geo);
}
void WavesCSApp::BuildBoxGeometry()
{
GeometryGenerator geoGen;
GeometryGenerator::MeshData box = geoGen.CreateBox(8.0f, 8.0f, 8.0f, 3);
std::vector<Vertex> vertices(box.Vertices.size());
for (size_t i = 0; i < box.Vertices.size(); ++i)
{
auto& p = box.Vertices[i].Position;
vertices[i].Pos = p;
vertices[i].Normal = box.Vertices[i].Normal;
vertices[i].TexC = box.Vertices[i].TexC;
}
const UINT vbByteSize = (UINT)vertices.size() * sizeof(Vertex);
std::vector<std::uint16_t> indices = box.GetIndices16();
const UINT ibByteSize = (UINT)indices.size() * sizeof(std::uint16_t);
auto geo = std::make_unique<MeshGeometry>();
geo->Name = "boxGeo";
ThrowIfFailed(D3DCreateBlob(vbByteSize, &geo->VertexBufferCPU));
CopyMemory(geo->VertexBufferCPU->GetBufferPointer(), vertices.data(), vbByteSize);
ThrowIfFailed(D3DCreateBlob(ibByteSize, &geo->IndexBufferCPU));
CopyMemory(geo->IndexBufferCPU->GetBufferPointer(), indices.data(), ibByteSize);
geo->VertexBufferGPU = d3dUtil::CreateDefaultBuffer(md3dDevice.Get(),
mCommandList.Get(), vertices.data(), vbByteSize, geo->VertexBufferUploader);
geo->IndexBufferGPU = d3dUtil::CreateDefaultBuffer(md3dDevice.Get(),
mCommandList.Get(), indices.data(), ibByteSize, geo->IndexBufferUploader);
geo->VertexByteStride = sizeof(Vertex);
geo->VertexBufferByteSize = vbByteSize;
geo->IndexFormat = DXGI_FORMAT_R16_UINT;
geo->IndexBufferByteSize = ibByteSize;
SubmeshGeometry submesh;
submesh.IndexCount = (UINT)indices.size();
submesh.StartIndexLocation = 0;
submesh.BaseVertexLocation = 0;
geo->DrawArgs["box"] = submesh;
mGeometries["boxGeo"] = std::move(geo);
}
void TexWaves::BuildLandGeometry()
{
GeometryGenerator geoGen;
GeometryGenerator::MeshData grid = geoGen.CreateGrid(160.0f, 160.0f, 50, 50);
std::vector<FrameResource::Vertex> vertices(grid.Vertices.size());
for (size_t i = 0; i < grid.Vertices.size(); i++)
{
auto& p = grid.Vertices[i].Position;
vertices[i].Pos = p;
vertices[i].Pos.y = GetHillsHeight(p.x, p.z);
vertices[i].Normal = GetHillsNormal(p.z, p.z);
vertices[i].TexC = grid.Vertices[i].TexCoord;
}
const UINT vbByteSize = (UINT)vertices.size() * sizeof(FrameResource::Vertex);
std::vector<std::uint16_t> indices = grid.GetIndices16();
const UINT ibByteSize = (UINT)indices.size() * sizeof(uint16_t);
auto geo = std::make_unique<MeshGeometry>();
geo->Name = "landGeo";
geo->VertexBufferGPU = D3DUtil::CreateDefaultBuffer(_device.Get(), _commandList.Get(), vertices.data(), vbByteSize, geo->VertexBufferUploader);
geo->IndexBufferGPU = D3DUtil::CreateDefaultBuffer(_device.Get(), _commandList.Get(), indices.data(), ibByteSize, geo->IndexBufferUploader);
geo->VertexByteStride = sizeof(FrameResource::Vertex);
geo->VertexBufferByteSize = vbByteSize;
geo->IndexFormat = DXGI_FORMAT_R16_UINT;
geo->IndexBufferByteSize = ibByteSize;
SubmeshGeometry submesh;
submesh.IndexCount = (UINT)indices.size();
submesh.StartIndexLocation = 0;
submesh.BaseVertexLocation = 0;
geo->DrawArgs["grid"] = submesh;
_geometries["landGeo"] = std::move(geo);
}
void TexWaves::BuildBoxGeometry()
{
GeometryGenerator geoGen;
GeometryGenerator::MeshData box = geoGen.CreateBox(8.0f, 8.0f, 8.0f, 3);
SubmeshGeometry boxSubmesh;
boxSubmesh.IndexCount = (UINT)box.Indices32.size();
boxSubmesh.StartIndexLocation = 0;
boxSubmesh.BaseVertexLocation = 0;
std::vector<FrameResource::Vertex> vertices(box.Vertices.size());
for (size_t i = 0; i < box.Vertices.size(); i++)
{
vertices[i].Pos = box.Vertices[i].Position;
vertices[i].Normal = box.Vertices[i].Normal;
vertices[i].TexC = box.Vertices[i].TexCoord;
}
std::vector<uint16_t> indices = box.GetIndices16();
const UINT vbByteSize = sizeof(FrameResource::Vertex) * (UINT)vertices.size();
const UINT ibByteSize = sizeof(uint16_t) * (UINT)indices.size();
auto geo = std::make_unique<MeshGeometry>();
geo->Name = "boxGeo";
geo->VertexBufferGPU = D3DUtil::CreateDefaultBuffer(_device.Get(), _commandList.Get(), vertices.data(), vbByteSize, geo->VertexBufferUploader);
geo->IndexBufferGPU = D3DUtil::CreateDefaultBuffer(_device.Get(), _commandList.Get(), indices.data(), ibByteSize, geo->IndexBufferUploader);
geo->VertexByteStride = sizeof(FrameResource::Vertex);
geo->VertexBufferByteSize = vbByteSize;
geo->IndexFormat = DXGI_FORMAT_R16_UINT;
geo->IndexBufferByteSize = ibByteSize;
geo->DrawArgs["box"] = boxSubmesh;
_geometries[geo->Name] = move(geo);
}
void CameraAndDynamicIndexingApp::BuildShapeGeometry()
{
GeometryGenerator geoGen;
GeometryGenerator::MeshData box = geoGen.CreateBox(1.0f, 1.0f, 1.0f, 3);
GeometryGenerator::MeshData grid = geoGen.CreateGrid(20.0f, 30.0f, 60, 40);
GeometryGenerator::MeshData sphere = geoGen.CreateSphere(0.5f, 20, 20);
GeometryGenerator::MeshData cylinder = geoGen.CreateCylinder(0.5f, 0.3f, 3.0f, 20, 20);
//
// We are concatenating all the geometry into one big vertex/index buffer. So
// define the regions in the buffer each submesh covers.
//
// Cache the vertex offsets to each object in the concatenated vertex buffer.
UINT boxVertexOffset = 0;
UINT gridVertexOffset = (UINT)box.Vertices.size();
UINT sphereVertexOffset = gridVertexOffset + (UINT)grid.Vertices.size();
UINT cylinderVertexOffset = sphereVertexOffset + (UINT)sphere.Vertices.size();
// Cache the starting index for each object in the concatenated index buffer.
UINT boxIndexOffset = 0;
UINT gridIndexOffset = (UINT)box.Indices32.size();
UINT sphereIndexOffset = gridIndexOffset + (UINT)grid.Indices32.size();
UINT cylinderIndexOffset = sphereIndexOffset + (UINT)sphere.Indices32.size();
SubmeshGeometry boxSubmesh;
boxSubmesh.IndexCount = (UINT)box.Indices32.size();
boxSubmesh.StartIndexLocation = boxIndexOffset;
boxSubmesh.BaseVertexLocation = boxVertexOffset;
SubmeshGeometry gridSubmesh;
gridSubmesh.IndexCount = (UINT)grid.Indices32.size();
gridSubmesh.StartIndexLocation = gridIndexOffset;
gridSubmesh.BaseVertexLocation = gridVertexOffset;
SubmeshGeometry sphereSubmesh;
sphereSubmesh.IndexCount = (UINT)sphere.Indices32.size();
sphereSubmesh.StartIndexLocation = sphereIndexOffset;
sphereSubmesh.BaseVertexLocation = sphereVertexOffset;
SubmeshGeometry cylinderSubmesh;
cylinderSubmesh.IndexCount = (UINT)cylinder.Indices32.size();
cylinderSubmesh.StartIndexLocation = cylinderIndexOffset;
cylinderSubmesh.BaseVertexLocation = cylinderVertexOffset;
//
// Extract the vertex elements we are interested in and pack the
// vertices of all the meshes into one vertex buffer.
//
auto totalVertexCount =
box.Vertices.size() +
grid.Vertices.size() +
sphere.Vertices.size() +
cylinder.Vertices.size();
std::vector<Vertex> vertices(totalVertexCount);
UINT k = 0;
for(size_t i = 0; i < box.Vertices.size(); ++i, ++k)
{
vertices[k].Pos = box.Vertices[i].Position;
vertices[k].Normal = box.Vertices[i].Normal;
vertices[k].TexC = box.Vertices[i].TexC;
}
for(size_t i = 0; i < grid.Vertices.size(); ++i, ++k)
{
vertices[k].Pos = grid.Vertices[i].Position;
vertices[k].Normal = grid.Vertices[i].Normal;
vertices[k].TexC = grid.Vertices[i].TexC;
}
for(size_t i = 0; i < sphere.Vertices.size(); ++i, ++k)
{
vertices[k].Pos = sphere.Vertices[i].Position;
vertices[k].Normal = sphere.Vertices[i].Normal;
vertices[k].TexC = sphere.Vertices[i].TexC;
}
for(size_t i = 0; i < cylinder.Vertices.size(); ++i, ++k)
{
vertices[k].Pos = cylinder.Vertices[i].Position;
vertices[k].Normal = cylinder.Vertices[i].Normal;
vertices[k].TexC = cylinder.Vertices[i].TexC;
}
std::vector<std::uint16_t> indices;
indices.insert(indices.end(), std::begin(box.GetIndices16()), std::end(box.GetIndices16()));
indices.insert(indices.end(), std::begin(grid.GetIndices16()), std::end(grid.GetIndices16()));
indices.insert(indices.end(), std::begin(sphere.GetIndices16()), std::end(sphere.GetIndices16()));
indices.insert(indices.end(), std::begin(cylinder.GetIndices16()), std::end(cylinder.GetIndices16()));
const UINT vbByteSize = (UINT)vertices.size() * sizeof(Vertex);
const UINT ibByteSize = (UINT)indices.size() * sizeof(std::uint16_t);
auto geo = std::make_unique<MeshGeometry>();
geo->Name = "shapeGeo";
ThrowIfFailed(D3DCreateBlob(vbByteSize, &geo->VertexBufferCPU));
CopyMemory(geo->VertexBufferCPU->GetBufferPointer(), vertices.data(), vbByteSize);
ThrowIfFailed(D3DCreateBlob(ibByteSize, &geo->IndexBufferCPU));
CopyMemory(geo->IndexBufferCPU->GetBufferPointer(), indices.data(), ibByteSize);
geo->VertexBufferGPU = d3dUtil::CreateDefaultBuffer(md3dDevice.Get(),
mCommandList.Get(), vertices.data(), vbByteSize, geo->VertexBufferUploader);
geo->IndexBufferGPU = d3dUtil::CreateDefaultBuffer(md3dDevice.Get(),
mCommandList.Get(), indices.data(), ibByteSize, geo->IndexBufferUploader);
geo->VertexByteStride = sizeof(Vertex);
geo->VertexBufferByteSize = vbByteSize;
geo->IndexFormat = DXGI_FORMAT_R16_UINT;
geo->IndexBufferByteSize = ibByteSize;
geo->DrawArgs["box"] = boxSubmesh;
geo->DrawArgs["grid"] = gridSubmesh;
geo->DrawArgs["sphere"] = sphereSubmesh;
geo->DrawArgs["cylinder"] = cylinderSubmesh;
mGeometries[geo->Name] = std::move(geo);
}
void DynamicIndexing::BuildShapeGeometry()
{
GeometryGenerator geoGen;
GeometryGenerator::MeshData box = geoGen.CreateBox(1.0f, 1.0f, 1.0f, 3);
GeometryGenerator::MeshData grid = geoGen.CreateGrid(20.0f, 30.0f, 60, 40);
GeometryGenerator::MeshData sphere = geoGen.CreateSphere(0.5f, 20, 20);
GeometryGenerator::MeshData cylinder = geoGen.CreateCylinder(0.5f, 0.3f, 3.0f, 20, 20);
UINT boxVertexOffset = 0;
UINT gridVertexOffset = (UINT)box.Vertices.size();
UINT sphereVertexOffset = gridVertexOffset + (UINT)grid.Vertices.size();
UINT cylinderVertexOffset = sphereVertexOffset + (UINT)sphere.Vertices.size();
UINT boxIndexOffset = 0;
UINT gridIndexOffset = (UINT)box.Indices32.size();
UINT sphereIndexOffset = gridIndexOffset + (UINT)grid.Indices32.size();
UINT cylinderIndexOffset = sphereIndexOffset + (UINT)sphere.Indices32.size();
SubmeshGeometry boxSubmesh;
boxSubmesh.IndexCount = (UINT)box.Indices32.size();
boxSubmesh.StartIndexLocation = boxIndexOffset;
boxSubmesh.BaseVertexLocation = boxVertexOffset;
SubmeshGeometry gridSubmesh;
gridSubmesh.IndexCount = (UINT)grid.Indices32.size();
gridSubmesh.StartIndexLocation = gridIndexOffset;
gridSubmesh.BaseVertexLocation = gridVertexOffset;
SubmeshGeometry sphereSubmesh;
sphereSubmesh.IndexCount = (UINT)sphere.Indices32.size();
sphereSubmesh.StartIndexLocation = sphereIndexOffset;
sphereSubmesh.BaseVertexLocation = sphereVertexOffset;
SubmeshGeometry cylinderSubmesh;
cylinderSubmesh.IndexCount = (UINT)cylinder.Indices32.size();
cylinderSubmesh.StartIndexLocation = cylinderIndexOffset;
cylinderSubmesh.BaseVertexLocation = cylinderVertexOffset;
auto totalVertexCount =
box.Vertices.size() +
grid.Vertices.size() +
sphere.Vertices.size() +
cylinder.Vertices.size();
std::vector<Vertex> vertices(totalVertexCount);
UINT k = 0;
for (size_t i = 0; i < box.Vertices.size(); ++i, ++k)
{
vertices[k].Pos = box.Vertices[i].Position;
vertices[k].Normal = box.Vertices[i].Normal;
vertices[k].Uv = box.Vertices[i].TexCoord;
}
for (size_t i = 0; i < grid.Vertices.size(); ++i, ++k)
{
vertices[k].Pos = grid.Vertices[i].Position;
vertices[k].Normal = grid.Vertices[i].Normal;
vertices[k].Uv = grid.Vertices[i].TexCoord;
}
for (size_t i = 0; i < sphere.Vertices.size(); ++i, ++k)
{
vertices[k].Pos = sphere.Vertices[i].Position;
vertices[k].Normal = sphere.Vertices[i].Normal;
vertices[k].Uv = sphere.Vertices[i].TexCoord;
}
for (size_t i = 0; i < cylinder.Vertices.size(); ++i, ++k)
{
vertices[k].Pos = cylinder.Vertices[i].Position;
vertices[k].Normal = cylinder.Vertices[i].Normal;
vertices[k].Uv = cylinder.Vertices[i].TexCoord;
}
std::vector<uint16_t> indices;
indices.insert(indices.end(), begin(box.GetIndices16()), end(box.GetIndices16()));
indices.insert(indices.end(), begin(grid.GetIndices16()), end(grid.GetIndices16()));
indices.insert(indices.end(), begin(sphere.GetIndices16()), end(sphere.GetIndices16()));
indices.insert(indices.end(), begin(cylinder.GetIndices16()), end(cylinder.GetIndices16()));
const UINT vbByteSize = (UINT)vertices.size() * sizeof(Vertex);
const UINT ibByteSize = (UINT)indices.size() * sizeof(uint16_t);
auto geo = std::make_unique<MeshGeometry>();
geo->Name = "shapeGeo";
ThrowIfFailed(D3DCreateBlob(vbByteSize, &geo->VertexBufferCPU));
CopyMemory(geo->VertexBufferCPU->GetBufferPointer(), vertices.data(), vbByteSize);
ThrowIfFailed(D3DCreateBlob(ibByteSize, &geo->IndexBufferCPU));
CopyMemory(geo->IndexBufferCPU->GetBufferPointer(), indices.data(), ibByteSize);
geo->VertexBufferGPU = D3DUtil::CreateDefaultBuffer(_device.Get(),
_commandList.Get(), vertices.data(), vbByteSize, geo->VertexBufferUploader);
geo->IndexBufferGPU = D3DUtil::CreateDefaultBuffer(_device.Get(),
_commandList.Get(), indices.data(), ibByteSize, geo->IndexBufferUploader);
geo->VertexByteStride = sizeof(Vertex);
geo->VertexBufferByteSize = vbByteSize;
geo->IndexFormat = DXGI_FORMAT_R16_UINT;
geo->IndexBufferByteSize = ibByteSize;
geo->DrawArgs["box"] = boxSubmesh;
geo->DrawArgs["grid"] = gridSubmesh;
geo->DrawArgs["sphere"] = sphereSubmesh;
geo->DrawArgs["cylinder"] = cylinderSubmesh;
_geometries[geo->Name] = move(geo);
}