public BlendingAttribute(BlendingAttribute copyFrom = null) :
this(
copyFrom?.blended ?? true,
copyFrom?.sourceFunction ?? BlendingFactor.SrcAlpha,
copyFrom?.destFunction ?? BlendingFactor.OneMinusSrcAlpha,
copyFrom?.opacity ?? 1.0f
)
{
}
public override int CompareTo(Attribute o)
{
if (type != o.type)
{
return((int)(type - o.type));
}
BlendingAttribute other = (BlendingAttribute)o;
if (blended != other.blended)
{
return(blended ? 1 : -1);
}
if (sourceFunction != other.sourceFunction)
{
return(sourceFunction - other.sourceFunction);
}
if (destFunction != other.destFunction)
{
return(destFunction - other.destFunction);
}
return((MathHelper.isEqual(opacity, other.opacity)) ? 0 : (opacity < other.opacity ? 1 : -1));
}
