public void SetAdditiveColor(int instanceId, Vector4 color, bool noUpload = false)
{
additiveColorData[instanceId * 4] = color.X;
additiveColorData[instanceId * 4 + 1] = color.Y;
additiveColorData[instanceId * 4 + 2] = color.Z;
additiveColorData[instanceId * 4 + 3] = color.W;
if (!noUpload)
UpdateFloatBuffer(additiveColorBuffer, new float[] { color.X, color.Y, color.Z, color.W }, instanceId * 4);
}