rabidus-test/Assets/Dreamteck/Splines/Components/Sample Modifiers/SizeModifier.cs

namespace Dreamteck.Splines
{
    using System.Collections;
    using System.Collections.Generic;
    using UnityEngine;

    [System.Serializable]
    public class SizeModifier : SplineSampleModifier
    {
        [System.Serializable]
        public class SizeKey : Key
        {
            public float size = 0f;

            public SizeKey(double f, double t) : base(f, t)
            {
            }
        }
        public SizeKey[] keys = new SizeKey[0];

        public SizeModifier()
        {
            keys = new SizeKey[0];
        }

        public override List<Key> GetKeys()
        {
            return new List<Key>(keys);
        }

        public override void SetKeys(List<Key> input)
        {
            keys = new SizeKey[input.Count];
            for (int i = 0; i < input.Count; i++)
            {
                keys[i] = (SizeKey)input[i];
            }
            base.SetKeys(input);
        }

        public void AddKey(double f, double t)
        {
            ArrayUtility.Add(ref keys, new SizeKey(f, t));
        }

        public override void Apply(ref SplineSample result)
        {
            if (keys.Length == 0) return;
            base.Apply(ref result);
            for (int i = 0; i < keys.Length; i++)
            {
                result.size += keys[i].Evaluate(result.percent) * keys[i].size * blend;
            }
        }
    }
}