/// <summary>
/// Render arbitrary vertices. Clockwise order is expected.
/// </summary>
/// <param name="vertices">The vertex to render.</param>
/// <param name="colors">The color (or colors) of the vertex/vertices.</param>
public void RenderVertices(Vector3[] vertices, params Color[] colors)
{
InvalidateStateBatches();
int neededLength = vertices.Length * VertexData.SizeInBytes;
if (neededLength > VertexBuffer.Size)
{
VertexBuffer.Upload(IntPtr.Zero, (uint)neededLength);
}
Span <VertexData> vertMapper = VertexBuffer.CreateMapper <VertexData>(0, vertices.Length * VertexData.SizeInBytes);
for (var v = 0; v < vertices.Length; v++)
{
vertMapper[v].Vertex = vertices[v];
vertMapper[v].Color = v >= colors.Length ? colors.Length == 0 ? Color.White.ToUint() : colors[0].ToUint() : colors[v].ToUint();
vertMapper[v].Tid = -1;
}
VertexBuffer.FinishMapping();
VertexArrayObject.EnsureBound(CommonVao);
IndexBuffer.EnsureBound(IndexBuffer.SequentialIbo.Pointer);
Gl.DrawElements(PrimitiveType.TriangleFan, vertices.Length, DrawElementsType.UnsignedShort, IntPtr.Zero);
}