private void CreateExpressionContext(bool forceRecreation)
{
if (!forceRecreation && m_ExpressionContext != null)
{
return;
}
m_ExpressionContext = new VFXExpression.Context(VFXExpressionContextOption.CPUEvaluation);
var currentObjects = new HashSet <ScriptableObject>();
graph.CollectDependencies(currentObjects);
int nbExpr = 0;
foreach (var o in currentObjects)
{
if (o is VFXSlot)
{
var exp = ((VFXSlot)o).GetExpression();
if (exp != null)
{
m_ExpressionContext.RegisterExpression(exp);
++nbExpr;
}
}
}
}
