This collapse effect moves an image from the edges to the center. You can set Strength of the collapse and Number of peaks. Also you can select type of collapse between the following: Earth quake - the area of an accident has sharp edges; Quick sands - the area of an accident has sharp edges; Black hole - this command takes each pixel on the screen and disperses it over the image in the direction from the edges to the center.(You can set Density of the image "material").

If you check Freeze button, the deformation will be the same from time to time with the same set of parameters. If you don't check this button, the deformation will be different from time to time.