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A
Alexander32178544ss6g
Known Participant
November 15, 2023
Question

createPath expression succeeded, but crashed with inTangents & outTangents

  • November 15, 2023
  • 1 reply
  • 534 views

Dear Community, I have studied everything I could find on this subject. 

 

This expression works as desired by connecting the points of a path with the corresponding number (16) of null objects by linking the position:

 

points = [

thisComp.layer("Null [1.1.00]").transform.position - [1000, 1000],
thisComp.layer("Null [1.1.01]").transform.position - [1000, 1000],
thisComp.layer("Null [1.1.02]").transform.position - [1000, 1000],
thisComp.layer("Null [1.1.03]").transform.position - [1000, 1000],
thisComp.layer("Null [1.1.04]").transform.position - [1000, 1000],
thisComp.layer("Null [1.1.05]").transform.position - [1000, 1000],
thisComp.layer("Null [1.1.06]").transform.position - [1000, 1000],
thisComp.layer("Null [1.1.07]").transform.position - [1000, 1000],
thisComp.layer("Null [1.1.08]").transform.position - [1000, 1000],
thisComp.layer("Null [1.1.09]").transform.position - [1000, 1000],
thisComp.layer("Null [1.1.10]").transform.position - [1000, 1000],
thisComp.layer("Null [1.1.11]").transform.position - [1000, 1000],
thisComp.layer("Null [1.1.12]").transform.position - [1000, 1000],
thisComp.layer("Null [1.1.13]").transform.position - [1000, 1000],
thisComp.layer("Null [1.1.14]").transform.position - [1000, 1000],
thisComp.layer("Null [1.1.15]").transform.position - [1000, 1000]]

createPath (points, inTangents = [], outTangents = [], isClosed = true)

 

 

For the life of me, I can't get a perfect circle. 🙂

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    1 reply

    A
    Alexander32178544ss6gAuthor
    Known Participant
    November 15, 2023

    How do I adjust the above-mentioned expression using inTangents & outTangents?

     

    This is what I mean by a perfect circle: 

     

    A
    Alexander32178544ss6gAuthor
    Known Participant
    November 15, 2023

    Solved!  I referenced the in & out tangents by another circle with the same number of points.

     

    myPath = thisComp.layer("Effector | Path | Resizer").content("Ellipse 1").content("Path 1").path;

points = [
thisComp.layer("Effector | Path | Resizer: Path 1 [1.1.0]").transform.position - [1000, 1000],
thisComp.layer("Effector | Path | Resizer: Path 1 [1.1.1]").transform.position - [1000, 1000],
thisComp.layer("Effector | Path | Resizer: Path 1 [1.1.2]").transform.position - [1000, 1000],
thisComp.layer("Effector | Path | Resizer: Path 1 [1.1.3]").transform.position - [1000, 1000],
thisComp.layer("Effector | Path | Resizer: Path 1 [1.1.4]").transform.position - [1000, 1000],
thisComp.layer("Effector | Path | Resizer: Path 1 [1.1.5]").transform.position - [1000, 1000],
thisComp.layer("Effector | Path | Resizer: Path 1 [1.1.6]").transform.position - [1000, 1000],
thisComp.layer("Effector | Path | Resizer: Path 1 [1.1.7]").transform.position - [1000, 1000],
thisComp.layer("Effector | Path | Resizer: Path 1 [1.1.8]").transform.position - [1000, 1000],
thisComp.layer("Effector | Path | Resizer: Path 1 [1.1.9]").transform.position - [1000, 1000],
thisComp.layer("Effector | Path | Resizer: Path 1 [1.1.10]").transform.position - [1000, 1000],
thisComp.layer("Effector | Path | Resizer: Path 1 [1.1.11]").transform.position - [1000, 1000],
thisComp.layer("Effector | Path | Resizer: Path 1 [1.1.12]").transform.position - [1000, 1000],
thisComp.layer("Effector | Path | Resizer: Path 1 [1.1.13]").transform.position - [1000, 1000],
thisComp.layer("Effector | Path | Resizer: Path 1 [1.1.14]").transform.position - [1000, 1000],
thisComp.layer("Effector | Path | Resizer: Path 1 [1.1.15]").transform.position - [1000, 1000]]

inTangents = myPath.inTangents();
outTangents = myPath.outTangents();

createPath(points, inTangents, outTangents, isClosed = true)
    A
    Alexander32178544ss6gAuthor
    Known Participant
    November 16, 2023

     I want to learn it and be able to have full control over the tangents via the createPath property like in Illustrator.

    My solution does the job, but is faaaar beyond what you can call "control".

     

    There are only a few tutorials that go into the details, but they skip the part with the tangents and fall back on alternative solutions, as in my case; such as generating additional points to create an illusion of roundness.

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