public MatMeshFloor()
{
_DrawMode = PrimitiveTopology.LineList;
Color = new Color4(0.7f, 0.7f, 0.7f);
MatVertexDataPNT[] data = new MatVertexDataPNT[404];
int i = 0;
for(int x = -50; x <= 50; x++)
{
data[i] = new MatVertexDataPNT() { position = new Vector3(x, 0, -50) };
i++;
data[i] = new MatVertexDataPNT() { position = new Vector3(x, 0, 50) };
i++;
data[i] = new MatVertexDataPNT() { position = new Vector3(-50, 0, x) };
i++;
data[i] = new MatVertexDataPNT() { position = new Vector3(50, 0, x) };
i++;
}
InitVertexBuffer(data);
VertexCount = 404;
}
//private static MatVertexDataPNT[] BuildFromTexCoord(List<Indices> indices, List<Vector3> positions, List<Vector3> normals, List<Vector2> texCoords, ref int[] indexBuffer)
//{
// MatVertexDataPNT[] result = new MatVertexDataPNT[texCoords.Count];
// int count = 0;
// foreach(Indices index in indices)
// {
// result[index.texCoord] = new MatVertexDataPNT()
// {
// position = new Vector3(positions[index.position].X, positions[index.position].Y, positions[index.position].Z),
// normal = new Vector3(normals[index.normal].X, normals[index.normal].Y, normals[index.normal].Z),
// texCoord = new Vector2(texCoords[index.texCoord].X, 1.0f - texCoords[index.texCoord].Y)
// };
// indexBuffer[count] = index.texCoord;
// count++;
// }
// return result;
//}
//private static MatVertexDataPNT[] BuildFromPosition(List<Indices> indices, List<Vector3> positions, List<Vector3> normals, List<Vector2> texCoords, ref int[] indexBuffer)
//{
// MatVertexDataPNT[] result = new MatVertexDataPNT[positions.Count];
// int count = 0;
// foreach (Indices index in indices)
// {
// result[index.position] = new MatVertexDataPNT()
// {
// position = new Vector3(positions[index.position].X, positions[index.position].Y, positions[index.position].Z),
// normal = new Vector3(normals[index.normal].X, normals[index.normal].Y, normals[index.normal].Z),
// texCoord = new Vector2(texCoords[index.texCoord].X, 1.0f - texCoords[index.texCoord].Y)
// };
// indexBuffer[count] = index.position;
// count++;
// }
// return result;
//}
private static MatVertexDataPNT[] Build(List<Indices> indices, List<Vector3> positions, List<Vector3> normals, List<Vector2> texCoords, ref int[] indexBuffer)
{
MatVertexDataPNT[] result = new MatVertexDataPNT[indices.Count];
int count = 0;
foreach (Indices index in indices)
{
result[count] = new MatVertexDataPNT()
{
position = new Vector3(positions[index.position].X, positions[index.position].Y, positions[index.position].Z),
normal = new Vector3(normals[index.normal].X, normals[index.normal].Y, normals[index.normal].Z),
texCoord = new Vector2(texCoords[index.texCoord].X, 1.0f - texCoords[index.texCoord].Y)
};
indexBuffer[count] = count;
count++;
}
return result;
}
protected bool InitVertexBuffer(MatVertexDataPNT[] vertices)
{
if (Vertices != vertices) _Vertices = vertices;
using (DataStream vertexStream = new DataStream(vertices, true, true))
{
_VertexBuffer = new SlimDX.Direct3D11.Buffer(
Mat3DView.GraphicsDevice,
vertexStream,
new BufferDescription { SizeInBytes = (int)vertexStream.Length, BindFlags = BindFlags.VertexBuffer }
);
}
if (VertexBuffer == null) return false;
else return true;
}
