Creates a composite with a Newton's Cradle setup of bodies and constraints.
| name | type | description |
|---|---|---|
| x | number |
The horizontal position of the start of the cradle. |
| y | number |
The vertical position of the start of the cradle. |
| number | number |
The number of balls in the cradle. |
| size | number |
The radius of each ball in the cradle. |
| length | number |
The length of the 'string' the balls hang from. |
A Newton's cradle composite.