Align Particles to Normal [Particle Flow Tutorial]

Align particles to an objects surface is something that I often need to do on Particle Flow. It's great to scatter particles around, like rocks, grass or even animated cars.
In addition we'll see how to make the particles slide freely over the object's surface, how to fix an issue on the Speed Space Follow and simulate intercollision using the Keep Apart Operator.

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Based on this idea from Johnny Random:
www.vimeo.com/95621202

Project Files: goo.gl/74A7i8

Tutorial developed by Alvaro Moreira and Particle Skull.

Soundtrack: Memories - ProleteR
goo.gl/wLvhbH

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