Pixelflinger dc16eb04f8 rename .blurScale to .cocScale in dof options ...

.blurScale was in fact a scale factor applied to the circle of
confusion (which makes it indeed a "blur scale", but let's use
a more precise language here). 

Update comments to show how to  use .cocScale to control the DoF
effect independently from the camera aperture, which can be useful for
artistic reasons.

2020-09-14 22:22:52 -07:00

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