Former FX are an ultra-cool component of Flex GIF Animator that allow you to take simple, rather uneventful images and turn them into something else entirely wild and new. They offer extensive design flexibility and expandability. 

To use Former FX, first select object in the scene window, Select Former FX in the Former FX property  page ,Adjust property  in the Former FX property  page. Select Former FX tool in the Tool Panel, direct adjust some Former FX property  in the scene window.      

Free Former

There are nine kinds of  free former tools, you can check one of them, and drag selected object in the scene window, the mouse shape is draw as circle or rectangle, the circle or rectangle represent the effect area, its size can be modified by press Shift key and drag and drop mouse.. 

Grid Former

   Grid Former FX use b-spline grid control deforming process, Graphic object is deformed by moving control points. Control points can be selected in four style: point, cow, row, and row-cow.  when you press ctrl key, you can select multiple control point and modify it simultaneity. Control points can be modified in three styles: offset, rotate, scale. The pivot is red and  can be drag and moved .It is used by rotate and scale .

Len Former

    There are two types of Len: Enlarge and shrink. In the scene window, Drag and drop to draw an rectangle to create lens, one rectangle replace one lens, it can be modified by drag its control points. Click [Delete Len] button to delete selected lens. The selected lens is draw in red color.

Under Water Former

   This Former FX is used to simulate under water shake, Strength, frequency and velocity can be modified as keyframes.

Flag Former

This Former FX is used to simulate flag wave.

Circle Water Wave Former

This Former FX is used to simulate circle water wave diffuse.

Water Wave Former

This Former FX is used to simulate random water wave diffuse.

Spray light

This Former FX is used to simulate light spray from graphics.

Rotate 3D

This Former FX is used to rotate graphics object in 3D Space with perspective effect .

Scroll with Rotate 3D

This Former FX is used to Scroll object in 3D Space with perspective effect .

Skew

This Former FX is used to skew graphics object.

Particle system

This Former FX is used to simulate particle effect such as fire, smoke,,explode etc..