using UnityEngine;
using System.Collections;
using System.Collections.Generic;

public class GPUTrailSplineSample : MonoBehaviour
{
    public int step = 10;
    public List<Transform> _transforms = new List<Transform>();


    public void OnDrawGizmos()
    {
        var stepInv = 1f / step;
        for(var i=2; i<_transforms.Count; ++i)
        {
            for(var s=0; s< step; ++s)
            {
                var prev  = _transforms[i - 2].position;
                var start = _transforms[i - 1].position;
                var end   = _transforms[i].position;

                var pos     = GPUTrailSpline.CatmullRom(stepInv * s,     prev, start, end);
                var posNext = GPUTrailSpline.CatmullRom(stepInv * (s+1), prev, start, end);


                Gizmos.DrawLine(pos, posNext);
            }
        }
    }
}