Evaluate()

NodeOutput HillNode::Evaluate ( NodeInputParam  input, NodeEditorPin *  pin  )

virtual

Implements NodeEditorNode.

Definition at line 13 of file HillNode.cpp.

{
    float xC, yC, hC;
 
    if (inputPins[0]->IsLinked())
    {
        xC = inputPins[0]->other->Evaluate(input).value;
    }
 
    else
    {
        xC = pos[0];
    }
 
    if (inputPins[1]->IsLinked())
    {
        yC = inputPins[1]->other->Evaluate(input).value;
    }
 
    else
    {
        yC = pos[1];
    }
 
    if (inputPins[2]->IsLinked())
    {
        hC = inputPins[2]->other->Evaluate(input).value;
    }
 
    else
    {
        hC = height;
    }
 
    float xN = input.x / input.maxX;
    float yN = input.z / input.maxZ; // TEMP
    xN = xN * 2 - 1;
    yN = yN * 2 - 1;
    float h = 1 - (SQUARE((yN - yC) / radius) + SQUARE((xN - xC) / radius));
    h *= pow(2.71828, -p * (SQUARE(xN - xC) + SQUARE(yN - yC)));
    return NodeOutput({ h * height });
}