// Use this for initialization
void Start()
{
Patch p = new Patch();
ValueNode<float> v1 = new ValueNode<float>();
p.AddNode(v1);
v1.Output.Value = 15;
v2 = new ValueNode<float>();
p.AddNode(v2);
AddNode sum = new AddNode();
p.AddNode(sum);
p.Connect(v1.Output, sum.A);
p.Connect(v2.Output, sum.B);
patchEvaluator = new PatchEvaluator(p);
patchEvaluator.Evaluate();
}