• Adobe After Effects Expressions

  Piston

  Posted by Arran Jacob on February 5, 2016 at 10:33 pm

  Hi all,

  I was following this tutorial https://vimeo.com/6552490 but the angle still stays straight:

  

  

  Anyone know what I’m doing wrong?

  Thanks

  rot = thisComp.layer("Wheel1").transform.rotation;

  w = degreesToRadians(rot);
  ang = Math.cos(w) *value

  rot* -1 + ang

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  Kalleheikki Kannisto replied 10 years, 7 months ago 2 Members · 1 Reply
• 1 Reply

• 

  Kalleheikki Kannisto

  February 6, 2016 at 2:44 pm

  You have to give the rod a start angle that is in line with the axle, i.e. the other (loose) end of the rod needs to be vertically where the center of the wheel is.

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