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namespace XNode.Examples.MathNodes {
[System.Serializable]
public class MathNode : XNode.Node {
// Adding [Input] or [Output] is all you need to do to register a field as a valid port on your node
[Input] public float a;
[Input] public float b;
// The value of an output node field is not used for anything, but could be used for caching output results
[Output] public float result;
// Will be displayed as an editable field - just like the normal inspector
public MathType mathType = MathType.Add;
public enum MathType { Add, Subtract, Multiply, Divide }
// GetValue should be overridden to return a value for any specified output port
public override object GetValue(XNode.NodePort port) {
// Get new a and b values from input connections. Fallback to field values if input is not connected
float a = GetInputValue<float>("a", this.a);
float b = GetInputValue<float>("b", this.b);
// After you've gotten your input values, you can perform your calculations and return a value
result = 0f;
if (port.fieldName == "result")
switch (mathType) {
case MathType.Add: default: result = a+b; break;
case MathType.Subtract: result = a - b; break;
case MathType.Multiply: result = a * b; break;
case MathType.Divide: result = a / b; break;
}
return result;
}
}
}
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