How to use this animation

Rotat­ing the Move­ment joint bead

Click, hold and drag the ball in the bar below the play­ing box to con­trol the move­ment joint bead rotation.

Zoom­ing in on the Move­ment joint bead

Click directly on the move­ment joint bead to zoom in and out [Note there are two lev­els of zoom­ing]. Click and hold the move­ment joint bead to move the zoomed in image around within the play­ing box.