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Shape controls for the Shatter effect
Shape controls specify the shape and appearance of the shattered pieces. Adjust the following Shape controls for the Shatter effect:
Pattern
Specifies the preset pattern to use for the exploded pieces.
Custom Shatter Map
Specifies the layer you want to use as the shape of the exploded pieces. See Creating a custom shatter map.
White Tiles Fixed
Prevents pure white tiles in a custom shatter map from being exploded. You can use this control to force certain parts of a layer to remain intact.
Use this control when your shatter map uses images or letters such as O: Set the portion you don't want to blow out, such as the centers of the O and the background, to pure white and set the rest to another pure color.
Repetitions
Specifies the scale of the tile pattern. This control works only in conjunction with the preset shatter maps, which all seamlessly tile. Increasing this value increases the number of pieces on the screen by scaling down the size of the shatter map. Consequently, the layer breaks into more and smaller pieces. Animating this control is not recommended, as it can cause sudden jumps in the number and size of shatter pieces.
Direction
Rotates the orientation of a preset shatter map, relative to the layer. As with Repetitions, animating this control results in sudden jumps in the animation and is not recommended.
Origin
Precisely positions a preset shatter map on the layer. This is useful if you want to line up portions of an image with specific shattered pieces. Animating this control results in sudden jumps in the animation and is not recommended.
Extrusion Depth
Adds a third dimension to the exploded pieces. The higher the value, the thicker the pieces. In Rendered view, this effect isn't visible until you start the shatter or rotate the camera. As you set this control higher, the pieces may actually pass through each other. While this is generally not a problem in full-speed animations, it may become visible when the pieces grow very thick and move slower.