//here we go, thats the method called by vvvv each frame
//all data handling should be in here
public void Evaluate(int SpreadMax)
{
//if any of the inputs has changed
//recompute the outputs
if (FPositionInput.PinIsChanged || FVectorSizeInput.PinIsChanged || FP1Input.PinIsChanged ||
FP2Input.PinIsChanged || FP3Input.PinIsChanged || FP4Input.PinIsChanged)
{
//get vector size
double vs;
FVectorSizeInput.GetValue(0, out vs);
int vectorSize = (int)vs;
SpreadMax = Math.Max(SpreadMax, FPositionInput.SliceCount * vectorSize);
//first set slicecounts for all outputs
//the incoming int SpreadMax is the maximum slicecount of all input pins, which is a good default
FValueOutput.SliceCount = SpreadMax;
//the variables to fill with the input data
Vector2D vectorSlice;
double p1Slice;
double p2Slice;
double p3Slice;
double p4Slice;
//loop for all slices
for (int i = 0; i < SpreadMax; i++)
{
//read data from inputs
FPositionInput.GetValue2D(i / vectorSize, out vectorSlice.x, out vectorSlice.y);
FP1Input.GetValue(i, out p1Slice);
FP2Input.GetValue(i, out p2Slice);
FP3Input.GetValue(i, out p3Slice);
FP4Input.GetValue(i, out p4Slice);
//function per slice
p1Slice = VMath.Bilerp(vectorSlice, p1Slice, p2Slice, p3Slice, p4Slice);
//write data to outputs
FValueOutput.SetValue(i, p1Slice);
}
}
}
