Shear
Function
This function skews the image left and right or up and down. You can motion
blur it as well.
Parameters
|
Type
|
Defaults
|
Function
|
x,yShear |
float
|
0,0 | Shearing on the x and y axis. |
x,yCenter |
float
|
width/2, height/2 | The center of the shear. |
motionBlur |
float
|
0 | Motion Blur quality level. 0 means no blur, whereas 1 represents standard filtering. For more speed, use less than 1. This value gets multiplied by the Global Parameter motionBlur. |
shutterTiming |
float
|
.5 | Shutter length. 0 means no blur, whereas 1 represent a whole frame of blur. Note that standard camera blur is 180 degrees, or a value of .5. This value gets multiplied by the Global Parameter shutterTiming. |
shutterOffset |
float
|
0 | This is the offset from the current frame at which the blur is calculated. Default is 0, previous frames are less than 0. |
Synopsis
image Shear( image, float xShear, float yShear, float xCenter, float yCenter, float motionBlur, float shutterTiming, float shutterOffset, );
Script
image = Shear( image, xShear, yShear, xCenter, yCenter, motionBlur, shutterTiming, shutterOffset, );
Command Line
shake -shear xShear yShear xCenter yCenter etc....