public void create(XYZTrianglesList l, Device device)
{
// free previous buffer
if (vertexBuffer != null)
{
vertexBuffer.Dispose();
vertexBuffer = null;
}
primitiveCount = l.getTrianglesCount();
if (primitiveCount == 0)
{
// "new VertexBuffer" causes exception if vertex count is 0
return;
}
vertexBuffer = new VertexBuffer(typeof(CustomVertex.PositionNormalColored),
l.getTrianglesCount() * 3, device, 0, CustomVertex.PositionNormalColored.Format, Pool.Default);
GraphicsStream stm = vertexBuffer.Lock(0, 0, 0);
CustomVertex.PositionNormalColored[] verts = new CustomVertex.PositionNormalColored[l.getTrianglesCount() * 3];
// set triangle points
for (int i = 0; i < l.getVertexCount(); i++)
{
Vec3 pos = l.getXYZ(i);
verts[i].X = (float)pos.getX();
verts[i].Y = (float)pos.getY();
verts[i].Z = (float)pos.getZ();
Vec3 normal;
l.calcTriangleNormal(i / 3, out normal);
verts[i].Nx = (float)normal.getX();
verts[i].Ny = (float)normal.getY();
verts[i].Nz = (float)normal.getZ();
verts[i].Color = Color.White.ToArgb();
}
stm.Write(verts);
vertexBuffer.Unlock();
}
private void recreateGPUBuffers()
{
if (model == null)
{
vertexBuffer = null;
return;
}
XYZTrianglesList l = new XYZTrianglesList();
model.iterateXYZTriangles(l);
if (vertexBuffer != null)
{
vertexBuffer.destroyBuffer();
}
if (l.getTrianglesCount() > 0)
{
vertexBuffer = new DXVertexBufferXYZNormals();
vertexBuffer.create(l, device);
}
}