Game Development Reference
Figure 4.53 The result of
choosing Invert Depth Map.
Distance parameter. And truthfully, it is the Blur Focal Distance
property that really makes this effect so powerful. I deselected the
Invert Depth Map option and took the Blur Focal Distance value
to about 135. This leaves the children in focus, and blurs the fore-
ground and background (Fig. 4.54 ).
Figure 4.54 By adjusting the Blur
Focal Distance, we can adjust the
depth of the area that is in focus.
These results are nothing short of spectacular, especially con-
sidering how easy it was to set this project up. But the real power
here is in the ability of the Lens Blur effect to animate the Blur
Focal Distance property. This can create shifts in the focal plane