//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 (FTransformInput.PinIsChanged || FP1Input.PinIsChanged ||
FP2Input.PinIsChanged || FP3Input.PinIsChanged || FP4Input.PinIsChanged)
{
//first set slicecounts for all outputs
//the incoming int SpreadMax is the maximum slicecount of all input pins, which is a good default
FTransformOutput.SliceCount = SpreadMax;
//the variables to fill with the input data
Matrix4x4 matrixSlice;
Vector4D p1Slice;
Vector4D p2Slice;
Vector4D p3Slice;
Vector4D p4Slice;
//loop for all slices
for (int i = 0; i < SpreadMax; i++)
{
//read data from inputs
FTransformInput.GetMatrix(i, out matrixSlice);
FP1Input.GetValue4D(i, out p1Slice.x, out p1Slice.y, out p1Slice.z, out p1Slice.w);
FP2Input.GetValue4D(i, out p2Slice.x, out p2Slice.y, out p2Slice.z, out p2Slice.w);
FP3Input.GetValue4D(i, out p3Slice.x, out p3Slice.y, out p3Slice.z, out p3Slice.w);
FP4Input.GetValue4D(i, out p4Slice.x, out p4Slice.y, out p4Slice.z, out p4Slice.w);
//function per slice
matrixSlice = VMath.BilerpMatrix(p1Slice, p2Slice, p4Slice, p3Slice) * matrixSlice;
//write data to outputs
FTransformOutput.SetMatrix(i, matrixSlice);
}
}
}
