public MappedBuffer(Scene scene, Int32 geometryID, BufferType bufferType)
: base(RTC.MapBuffer(scene.NativePtr, geometryID, bufferType))
{
this.scene = scene;
this.geometryID = geometryID;
this.bufferType = bufferType;
}
public void Update(uint geomID, IntPtr scenePtr)
{
if (indices.Count / 3 == triangleCount)
{
var indexBuffer = RTC.MapBuffer(scenePtr, geomID, RTC.BufferType.IndexBuffer);
RTC.CheckLastError();
Marshal.Copy(indices.ToArray(), 0, indexBuffer, indices.Count);
RTC.UnmapBuffer(scenePtr, geomID, RTC.BufferType.IndexBuffer);
}
else
{
throw new InvalidOperationException("Index buffer length was changed.");
}
if (vertices.Count == vertexCount)
{
var vertexBuffer = RTC.MapBuffer(scenePtr, geomID, RTC.BufferType.VertexBuffer);
RTC.CheckLastError();
unsafe
{
float *ptr = (float *)vertexBuffer;
foreach (var vertex in vertices)
{
*(ptr++) = vertex.X;
*(ptr++) = vertex.Y;
*(ptr++) = vertex.Z;
*(ptr++) = 1.0f;
}
}
RTC.UnmapBuffer(scenePtr, geomID, RTC.BufferType.VertexBuffer);
}
else
{
throw new InvalidOperationException("Vertex buffer length was changed.");
}
}