How do you get a vector from the last frame?

General Discussion
1

I have a piece of code where it is important for me to get the previous Vector to add to the current Vector in order to get their sum as a new Vector. Since it’s inside a task, how do I save the previous Vector without getting overwritten?

2

You’ll have to store it yourself, somewhere. Using setPythonTag to store the previous vector is an option.

3

Yes. If you use setFluidPos at all times, you will be able to get the velocity vector by taking getPosDelta() and dividing it by globalClock.getDt().