private void BuildBoxGeometry()
{
GeometryGenerator.MeshData box = GeometryGenerator.CreateBox(8.0f, 8.0f, 8.0f, 3);
var boxSubmesh = new SubmeshGeometry
{
IndexCount = box.Indices32.Count,
StartIndexLocation = 0,
BaseVertexLocation = 0
};
Vertex[] vertices = box.Vertices.Select(x => new Vertex
{
Pos = x.Position,
Normal = x.Normal,
TexC = x.TexC
}).ToArray();
short[] indices = box.GetIndices16().ToArray();
var geo = MeshGeometry.New(Device, CommandList, vertices, indices, "boxGeo");
geo.DrawArgs["box"] = boxSubmesh;
_geometries[geo.Name] = geo;
}
private void BuildShapeGeometry()
{
//
// We are concatenating all the geometry into one big vertex/index buffer. So
// define the regions in the buffer each submesh covers.
//
var vertices = new List <Vertex>();
var indices = new List <short>();
SubmeshGeometry box = AppendMeshData(GeometryGenerator.CreateBox(1.0f, 1.0f, 1.0f, 3), vertices, indices);
SubmeshGeometry grid = AppendMeshData(GeometryGenerator.CreateGrid(20.0f, 30.0f, 60, 40), vertices, indices);
SubmeshGeometry sphere = AppendMeshData(GeometryGenerator.CreateSphere(0.5f, 20, 20), vertices, indices);
SubmeshGeometry cylinder = AppendMeshData(GeometryGenerator.CreateCylinder(0.5f, 0.3f, 3.0f, 20, 20), vertices, indices);
SubmeshGeometry quad = AppendMeshData(GeometryGenerator.CreateQuad(0.0f, 0.0f, 1.0f, 1.0f, 0.0f), vertices, indices);
var geo = MeshGeometry.New(Device, CommandList, vertices.ToArray(), indices.ToArray(), "shapeGeo");
geo.DrawArgs["box"] = box;
geo.DrawArgs["grid"] = grid;
geo.DrawArgs["sphere"] = sphere;
geo.DrawArgs["cylinder"] = cylinder;
geo.DrawArgs["quad"] = quad;
_geometries[geo.Name] = geo;
}
private void BuildLandGeometry()
{
GeometryGenerator.MeshData grid = GeometryGenerator.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.
//
var vertices = new Vertex[grid.Vertices.Count];
for (int i = 0; i < grid.Vertices.Count; i++)
{
Vector3 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);
}
List <short> indices = grid.GetIndices16();
var geo = MeshGeometry.New(Device, CommandList, vertices, indices.ToArray(), "landGeo");
var submesh = new SubmeshGeometry
{
IndexCount = indices.Count,
StartIndexLocation = 0,
BaseVertexLocation = 0
};
geo.DrawArgs["grid"] = submesh;
_geometries["landGeo"] = geo;
}
private void BuildShapeGeometry()
{
//
// We are concatenating all the geometry into one big vertex/index buffer. So
// define the regions in the buffer each submesh covers.
//
var vertices = new List <Vertex>();
var indices = new List <short>();
SubmeshGeometry box = AppendMeshData(GeometryGenerator.CreateBox(1.5f, 0.5f, 1.5f, 3), Color.DarkGreen, vertices, indices);
SubmeshGeometry grid = AppendMeshData(GeometryGenerator.CreateGrid(50.0f, 15.0f, 2, 40), Color.ForestGreen, vertices, indices);
SubmeshGeometry sphere = AppendMeshData(GeometryGenerator.CreateSphere(0.5f, 20, 20), Color.Crimson, vertices, indices);
SubmeshGeometry cylinder = AppendMeshData(GeometryGenerator.CreateCylinder(0.5f, 0.3f, 3.0f, 20, 20), Color.SteelBlue, vertices, indices);
SubmeshGeometry pyramid = AppendMeshData(GeometryGenerator.Pyramid(1.5f, 0.5f, 1.5f, 3), Color.Purple, vertices, indices);
SubmeshGeometry wedge = AppendMeshData(GeometryGenerator.Wedge(1.5f, 0.5f, 1.5f, 3), Color.RosyBrown, vertices, indices);
SubmeshGeometry diamond = AppendMeshData(GeometryGenerator.Diamond(1.5f, 0.5f, 1.5f, 3), Color.MintCream, vertices, indices);
SubmeshGeometry triPrism = AppendMeshData(GeometryGenerator.TriangularPrism(1.5f, 0.5f, 1.5f, 3), Color.DarkOrchid, vertices, indices);
SubmeshGeometry hexPrism = AppendMeshData(GeometryGenerator.HexagonalPrism(1.5f, 0.5f, 1.5f, 3), Color.RoyalBlue, vertices, indices);
SubmeshGeometry cone = AppendMeshData(GeometryGenerator.CreateCone(0.5f, 0.3f, 3.0f, 20, 20), Color.SteelBlue, vertices, indices);
var geo = MeshGeometry.New(Device, CommandList, vertices, indices.ToArray(), "shapeGeo");
geo.DrawArgs["box"] = box;
geo.DrawArgs["grid"] = grid;
geo.DrawArgs["sphere"] = sphere;
geo.DrawArgs["cylinder"] = cylinder;
geo.DrawArgs["pyramid"] = pyramid;
geo.DrawArgs["wedge"] = wedge;
geo.DrawArgs["diamond"] = diamond;
geo.DrawArgs["triPrism"] = triPrism;
geo.DrawArgs["hexPrism"] = hexPrism;
geo.DrawArgs["cone"] = cone;
_geometries[geo.Name] = geo;
}
private void BuildWavesGeometry()
{
GeometryGenerator.MeshData grid = GeometryGenerator.CreateGrid(160.0f, 160.0f, _waves.RowCount, _waves.ColumnCount);
var vertices = new Vertex[grid.Vertices.Count];
for (int i = 0; i < grid.Vertices.Count; i++)
{
vertices[i].Pos = grid.Vertices[i].Position;
vertices[i].Normal = grid.Vertices[i].Normal;
vertices[i].TexC = grid.Vertices[i].TexC;
}
var indices = new int[3 * _waves.TriangleCount]; // 3 indices per face.
Debug.Assert(_waves.VertexCount < int.MaxValue);
// Iterate over each quad.
int m = _waves.RowCount;
int n = _waves.ColumnCount;
int k = 0;
for (int i = 0; i < m - 1; ++i)
{
for (int j = 0; j < n - 1; ++j)
{
indices[k + 0] = i * n + j;
indices[k + 1] = i * n + j + 1;
indices[k + 2] = (i + 1) * n + j;
indices[k + 3] = (i + 1) * n + j;
indices[k + 4] = i * n + j + 1;
indices[k + 5] = (i + 1) * n + j + 1;
k += 6; // Next quad.
}
}
var geo = MeshGeometry.New(Device, CommandList, vertices, indices, "waterGeo");
geo.VertexByteStride = Utilities.SizeOf <Vertex>();
geo.VertexBufferByteSize = geo.VertexByteStride * _waves.VertexCount;
var submesh = new SubmeshGeometry
{
IndexCount = indices.Length,
StartIndexLocation = 0,
BaseVertexLocation = 0
};
geo.DrawArgs["grid"] = submesh;
_geometries["waterGeo"] = geo;
}
private void BuildLandGeometry()
{
GeometryGenerator.MeshData grid = GeometryGenerator.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.
//
var vertices = new Vertex[grid.Vertices.Count];
for (int i = 0; i < grid.Vertices.Count; i++)
{
Vector3 p = grid.Vertices[i].Position;
vertices[i].Pos = p;
vertices[i].Pos.Y = GetHillsHeight(p.X, p.Z);
// Color the vertex based on its height.
if (vertices[i].Pos.Y < -10.0f)
{
// Sandy beach color.
vertices[i].Color = new Vector4(1.0f, 0.96f, 0.62f, 1.0f);
}
else if (vertices[i].Pos.Y < 5.0f)
{
// Light yellow-green.
vertices[i].Color = new Vector4(0.48f, 0.77f, 0.46f, 1.0f);
}
else if (vertices[i].Pos.Y < 12.0f)
{
// Dark yellow-green.
vertices[i].Color = new Vector4(0.1f, 0.48f, 0.19f, 1.0f);
}
else if (vertices[i].Pos.Y < 20.0f)
{
// Dark brown.
vertices[i].Color = new Vector4(0.45f, 0.39f, 0.34f, 1.0f);
}
else
{
// White snow.
vertices[i].Color = new Vector4(1.0f, 1.0f, 1.0f, 1.0f);
}
}
List <short> indices = grid.GetIndices16();
var geo = MeshGeometry.New(Device, CommandList, vertices, indices.ToArray(), "landGeo");
var submesh = new SubmeshGeometry
{
IndexCount = indices.Count,
StartIndexLocation = 0,
BaseVertexLocation = 0
};
geo.DrawArgs["grid"] = submesh;
_geometries["landGeo"] = geo;
}
