public static Vec3[] ToVec3Array(Vector3[] v)
{
if (v == null)
{
return(null);
}
int count = v.Length;
if (count == 0)
{
return(new Vec3[0]);
}
Vec3[] o = new Vec3[count];
unsafe
{
fixed(Vector3 *v0 = &v[0])
{
Vector3 *ps = v0;
fixed(Vec3 *v1 = &o[0])
{
Vec3 *pt = v1;
for (int i = 0; i < count; i++)
{
*pt = *( Vec3 * )ps;
++ps;
++pt;
}
}
}
}
return(o);
}
VertexData CreateVertexData(Vec3[] vertices)
{
VertexData vertexData = new VertexData();
VertexDeclaration declaration = vertexData.VertexDeclaration;
declaration.AddElement(0, 0, VertexElementType.Float3, VertexElementSemantic.Position);
VertexBufferBinding bufferBinding = vertexData.VertexBufferBinding;
HardwareVertexBuffer vertexBuffer = HardwareBufferManager.Instance.CreateVertexBuffer(
12, vertices.Length, HardwareBuffer.Usage.StaticWriteOnly);
bufferBinding.SetBinding(0, vertexBuffer, true);
vertexData.VertexCount = vertices.Length;
unsafe
{
Vec3 *buffer = (Vec3 *)vertexBuffer.Lock(HardwareBuffer.LockOptions.Normal).ToPointer();
foreach (Vec3 position in vertices)
{
*buffer = position;
buffer++;
}
vertexBuffer.Unlock();
}
return(vertexData);
}
