How to change the position of a moving object without affecting the physics state in PHY-Engine (Three.js)

Questions
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1

I am currently developing a Three.js project using the PHY-Engine library.
I want to change the positions of two moving balls.
At this time, the two balls change each other’s physical properties (movement direction, force, etc.).
I am trying to change only the positions using the phy.change() function, but it does not work properly.

let r = [
{ name: left.name, pos: ball.position, drivePosition, reset: true /reset:true/ },
{ name: ball.name, pos: left.position, drivePosition, reset: true /reset:true/ },
];
phy.change(r, true);

I would appreciate it if you could upload a sample code or an explanation of the method.