Move deformations/followers between links.

MikeDanielsson

using System.Collections.Generic;

using UnityEngine;

using CurveArchitect;
using CurveArchitect.Objects;
using CurveArchitect.Utilities;

public class SimpleAnimationLinkExample : MonoBehaviour
{
    public ArchitectCurveObject aco;
    public Vector3 speed;
    public float resetRange;

    Vector3 startPos;
    ArchitectCurve startAc;

    void Start()
    {
        startPos = aco.localCurvePosition;
        startAc = aco.acParent;
    }

    void Update()
    {
        Vector3 oldPosition = aco.localCurvePosition;
        aco.localCurvePosition += speed;

        if (aco.localCurvePosition.z > resetRange)
        {
            HelperArchitectCurveObject.ChangeArchitectCurveParent(aco, startAc);
            aco.localCurvePosition = startPos;
        }


        HandleLinkCrossing(aco, oldPosition);
    }

    public void HandleLinkCrossing(ArchitectCurveObject aco, Vector3 oldPosition)
    {
        //Try get links
        List<Link> links = HelperArchitectCurve.TryFindLinkCrossings(aco.acParent, aco.curvePosition, oldPosition, out Segment segment);

        if (links.Count <= 0)
            return;

        //Get random link index
        int randomIndex = Random.Range(0, links.Count);
        Link l = links[randomIndex];

        //Get new segment and ArchitectCurve.
        ArchitectCurve newAc = HandleRegistry.GetArchitecCurve(l.architectCurveId);
        Segment newAcSegment = HandleRegistry.GetSegment(l.segmentId);

        //Not needed, but it will make the transition smoother.
        float dif = aco.localCurvePosition.z - segment.zPosition;

        //Set the new position on the new ArchitectCurve for the aco.
        aco.localCurvePosition.z = newAcSegment.zPosition + dif;
        //Cross over to the new ArchitecCurve.
        HelperArchitectCurveObject.ChangeArchitectCurveParent(aco, newAc);
    }
}