Function  
 surfaceEffector
(opt: SurfaceEffectorCompOpt): SurfaceEffectorCompApplies a force on a colliding object in order to make it move along the collision tangent vector. Good for conveyor belts.
param opt- Options for the surface effector component. See 
loadSprite("belt", "/sprites/jumpy.png")
// conveyor belt
add([
    pos(center()),
    sprite("belt"),
    rotate(90),
    area(),
    body({ isStatic: true }),
    surfaceEffector({
        speed: 50,
    })
])returns The surface effector comp.
since v3001.0
group Components