• Adobe After Effects

  Dan Ebberts Bezier Curve

  Posted by Adam Hill on April 3, 2012 at 8:14 pm

  Is it possible to take Dan Ebberts Bezier Curve and have the path be a perfect circle? and also orient the shape layer to the circle?

  right now i have it on a slider with 4 nulls.

  N1 = thisComp.layer(“Null 1”);
  N2 = thisComp.layer(“Null 2”);
  N3 = thisComp.layer(“Null 3”);
  N4 = thisComp.layer(“Null 4”);

  p0 = N1.position;
  p1 = N2.toWorld(N2.anchorPoint);
  p2 = N3.toWorld(N3.anchorPoint);
  p3 = N4.position;

  c = 3*(p1 – p0);
  b = 3*(p2 – p1) – c;
  a = p3 – p0 – c – b;

  t0 = index/(thisComp.numLayers – 3);
  s = N1.effect(“Slider Control”).param(“Slider”);
  if(s < 0){
  s += 1;
  t = t0*s;
  }else{
  t = s + t0 – s*t0;
  }
  ((a*t +b )*t + c)*t + p0

  any help would be great!

  Declan Smith replied 14 years, 5 months ago 2 Members · 1 Reply
• 1 Reply

• 

  Declan Smith

  April 3, 2012 at 9:42 pm

  Hi,

  If I understand what you are looking for is a way to get a shape layer follow a perfect circular path and auto orient ?

  I have uploaded a project that may help.

  3942_orientobjectaroundcirclularpath.aep.zip

  Hope this is of use.

  Declan Smith
  https://www.madpanic.tv
  After Effects CS5.5/ FCS3 / Canon 7D / Canon XL2 / Reason / Cubase

  “it’s either binary or it’s not”

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