The "pulses" used to add or delete points from the interactive toys were created by blending various frequency black to white pulsing into backgrounds, clouds, flames, explosions and general mayhem. It was always fun to blend in point gain pulses JUST until something distracting was about to begin, then switch to point loss pulses to suck points back out of the toys. This was all done in the online suite as one of the final layers of the VFX compositing process.
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