I have looked into setCircle() and it works. However, when the balls reach the bottom and interact with the other balls resting there they start to shake and move weirdly. E.g.: They may change position with each other instantly etc. Here is the fiddle: https://jsfiddle.net/fselcukcan/ovy9c4bm/7/.
Example works like that: You click pointer and hold to create a ball. And release pointer to release the ball fall under gravity, or it is released after reaching maximum scale. You can drag around while blowing.
What is the reason for that? What am I missing? Am I using a wrong collider logic to make balls collide between each other? Or am I setting the circle radius wrong/bad value? Do I need to add mass to them?
How can I prevent this unstable kind of view?