SEPTEMBER 30, 2003
A Glimpse at Glints
Combining Adobe After Effects and Cinema 4D to create moving highlights on Logos
by Ko Maruyama
Page 3 of 4

Isolating the effect to the subject material
Once you've added and animated the Add mode (or other pleasing transfer mode) color layer to your comp, you can choose whether or not you want to isolate the effect to a specific part of your composition.[an error occurred while processing this directive]Without isolation, you may have something like this:


To clip the effect to the logo alone, duplicate the RGBA layer and move it above the glint animation layer and change the Track Matte option to Alpha Matte. The duplicated RGBA will turn off and adopt a little black and white icon next to its name indicating that it is being used as a track matte for the layer beneath it.



We can turn off the Depth pass from Cinema4D (but don't delete it). This reveals our light pass over the RGB image. It looks okay, but the color layer flattens out the 3D perspective. With our Depth render, we can distort the solid using Displacement in After Effects PB.





You can use any of the color channels, alpha, luminance, hue, lightness, saturation, all on, all half, or all off in order to displace your image. So if you don't have a 3D image with Depth Map rendered, try using another part of your RGBA image to bend the light path.




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