自定义的插值公式

自定义的插值公式

1

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

namespace ACTBook
{
    /**
     * static function Repeat (t : float, length : float) : float
     * 循环数值t，0到length之间。t值永远不会大于length的值，也永远不会小于0。
     * 这是类似于 模 运算符，但可以使用浮点数。
     */
    public class Tween1 : MonoBehaviour
    {
        const float TIME = 3f;
        const float DISTANCE = 3f;


        void Update()
        {
            var t = Mathf.Repeat(Time.time, TIME) / TIME;
            Debug.Log(t);
            /**
             * static functionLerp (from : float, to : float, t : float) : float
             * 基于浮点数t返回a到b之间的插值，t限制在0～1之间。
             * 当t = 0返回from，当t = 1 返回to。当t = 0.5 返回from和to的平均值
             */
            transform.localPosition = Vector3.Lerp(new Vector3(0f, 0f, 0f), new Vector3(DISTANCE, 0f, 0f), t);
        }
    }
}

2

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

namespace ACTBook
{
    public class Tween2 : MonoBehaviour
    {
        const float TIME = 3f;
        const float DISTANCE = 3f;
        const float SMOOTH_TIME = 0.2f;

        Vector3 mVelocity;


        void Update()
        {
            var t = Mathf.Repeat(Time.time, TIME) / TIME;
            var target = Vector3.Lerp(new Vector3(0f, 0f, 0f), new Vector3(DISTANCE, 0f, 0f), t);
            /**
             * public static Vector3 SmoothDamp(Vector3 current, Vector3 target, ref Vector3 currentVelocity, float smoothTime, float maxSpeed = Mathf.Infinity, float deltaTime = Time.deltaTime);
             * 
             * current	The current position.
             * target	The position we are trying to reach.
             * currentVelocity	The current velocity, this value is modified by the function every time you call it.
             * smoothTime	Approximately the time it will take to reach the target. A smaller value will reach the target faster.
             * maxSpeed	Optionally allows you to clamp the maximum speed.
             * deltaTime	The time since the last call to this function. By default Time.deltaTime.
             * 
             */
            transform.localPosition = Vector3.SmoothDamp(transform.localPosition, target, ref mVelocity, SMOOTH_TIME);
        }
    }
}

3

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

namespace ACTBook
{
    public class Tween3 : MonoBehaviour
    {
        const float TIME = 3f;
        const float DISTANCE = 3f;
        const float SMOOTH_TIME = 0.2f;

        Vector3 mVelocity;


        void Update()
        {
            var t = Mathf.Repeat(Time.time, TIME) / TIME;
            var quicken_t = t * t;
            transform.localPosition = Vector3.Lerp(new Vector3(0f, 0f, 0f), new Vector3(DISTANCE, 0f, 0f), quicken_t);
        }
    }
}

4

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

namespace ACTBook
{
    public class Tween4 : MonoBehaviour
    {
        const float TIME = 3f;
        const float DISTANCE = 3f;


        void Update()
        {
            var t = Mathf.Repeat(Time.time, TIME) / TIME;
            t = (t - 1f) * (t - 1f) * (t - 1f) + 1f;
            t = t * t;
            transform.localPosition = Vector3.Lerp(new Vector3(0f, 0f, 0f), new Vector3(DISTANCE, 0f, 0f), t);
        }
    }
}

本文地址：https://blog.csdn.net/qq_36382679/article/details/107879630