public void Initialize()
{
var positions = new List <Vector3>();
var indices = new List <int>();
_vd = VertexDescriptor.GetDescriptor <VertexP>(); // new VertexDescriptor(new VertexDeclaration(GGraphicDeviceFactory.Device, VertexP.Elements));
_BuildGeoSphere(_subdivitions, 1, positions, indices);
_vertices = new VertexP[positions.Count];
for (int i = 0; i < positions.Count; i++)
{
_vertices[i] = new VertexP(positions[i]);
}
this._indices = new ushort[indices.Count];
for (int i = 0; i < indices.Count; i++)
{
this._indices[i] = (ushort)indices[i];
}
if (_vb != null)
{
_vb.Dispose();
}
_vb = GraphicDeviceFactory.Device.CreateVertexBuffer(data: _vertices);
if (_ib != null)
{
_ib.Dispose();
}
_ib = GraphicDeviceFactory.Device.CreateIndexBuffer(data: this._indices);
}
public static void CreateVertexBuffer(Mesh mesh, ref ComputeBuffer ret, ref int num_vertices, VertexFormat fmt = VertexFormat.Full)
{
int[] indices = mesh.GetIndices(0);
switch (fmt)
{
case VertexFormat.P:
{
Vector3[] vertices = mesh.vertices;
VertexP[] v = new VertexP[indices.Length];
if (vertices != null)
{
for (int i = 0; i < indices.Length; ++i)
{
v[i].vertex = vertices[indices[i]];
}
}
ret = new ComputeBuffer(indices.Length, VertexP.size);
ret.SetData(v);
num_vertices = v.Length;
}
break;
case VertexFormat.PU:
{
Vector3[] vertices = mesh.vertices;
Vector2[] uv = mesh.uv;
VertexPU[] v = new VertexPU[indices.Length];
if (vertices != null)
{
for (int i = 0; i < indices.Length; ++i)
{
v[i].vertex = vertices[indices[i]];
}
}
if (uv != null)
{
for (int i = 0; i < indices.Length; ++i)
{
v[i].uv = uv[indices[i]];
}
}
ret = new ComputeBuffer(indices.Length, VertexPU.size);
ret.SetData(v);
num_vertices = v.Length;
}
break;
case VertexFormat.PN:
{
Vector3[] vertices = mesh.vertices;
Vector3[] normals = mesh.normals;
VertexPN[] v = new VertexPN[indices.Length];
if (vertices != null)
{
for (int i = 0; i < indices.Length; ++i)
{
v[i].vertex = vertices[indices[i]];
}
}
if (normals != null)
{
for (int i = 0; i < indices.Length; ++i)
{
v[i].normal = normals[indices[i]];
}
}
ret = new ComputeBuffer(indices.Length, VertexPN.size);
ret.SetData(v);
num_vertices = v.Length;
}
break;
case VertexFormat.Full:
{
Vector3[] vertices = mesh.vertices;
Vector3[] normals = mesh.normals;
Vector4[] tangents = mesh.tangents;
Vector2[] uv = mesh.uv;
VertexFull[] v = new VertexFull[indices.Length];
if (vertices != null)
{
for (int i = 0; i < indices.Length; ++i)
{
v[i].vertex = vertices[indices[i]];
}
}
if (normals != null)
{
for (int i = 0; i < indices.Length; ++i)
{
v[i].normal = normals[indices[i]];
}
}
if (tangents != null)
{
for (int i = 0; i < indices.Length; ++i)
{
v[i].tangent = tangents[indices[i]];
}
}
if (uv != null)
{
for (int i = 0; i < indices.Length; ++i)
{
v[i].uv = uv[indices[i]];
}
}
ret = new ComputeBuffer(indices.Length, VertexFull.size);
ret.SetData(v);
num_vertices = v.Length;
}
break;
}
}
