scrCurve

 Script

///Curve
/* the object will curve in some way
to use this apply values to these variables:
curve = (boolean) 
    enables/disables the script
curve_dev = (double)
    the rate at which the object changes direction
    negative values will turn it clockwise and positive values will turn it counter-clockwise
*/
if (curve) {
    direction += curve_dev
}