`point.vectorAngle(p)`

Compute the angle (in degrees) between the line from (0,0) and this point and the line from (0,0) to `p`

.

The function returns a value between 0 and 180 when the angle (in the direction from this point to `p`

) is clockwise, and a value between 180 and 360 when the angle is counterclockwise. The function returns `NaN`

if called from point (0,0) or if `p`

is (0,0).