/// <inheritdoc /> public override unsafe void PatchVertexBuffer(ParticleVertexBuilder vertexBuilder, Vector3 invViewX, Vector3 invViewY, ParticleSorter sorter) { // If you want, you can integrate the base builder here and not call it. It should result in slight speed up base.PatchVertexBuffer(vertexBuilder, invViewX, invViewY, sorter); var colorField = sorter.GetField(ParticleFields.Color); if (!colorField.IsValid()) { return; } var colAttribute = vertexBuilder.GetAccessor(VertexAttributes.Color); if (colAttribute.Size <= 0) { return; } foreach (var particle in sorter) { // Set the vertex color attribute to the particle's color field var color = (uint)(*(Color4 *)particle[colorField]).ToRgba(); vertexBuilder.SetAttributePerSegment(colAttribute, (IntPtr)(&color)); vertexBuilder.NextSegment(); } vertexBuilder.RestartBuffer(); }