Unity使用DoTween实现抛物线效果

Unity使用DoTween实现抛物线效果，供大家参考，具体内容如下

概要

public partial class EMath
{
    public static Vector3 Parabola(Vector3 start, Vector3 end, float height, float t)
    {
        float Func(float x) => 4 * (-height * x * x + height * x);

        var mid = Vector3.Lerp(start, end, t);

        return new Vector3(mid.x, Func(t) + Mathf.Lerp(start.y, end.y, t), mid.z);
    }

    public static Vector2 Parabola(Vector2 start, Vector2 end, float height, float t)
    {
        float Func(float x) => 4 * (-height * x * x + height * x);

        var mid = Vector2.Lerp(start, end, t);

        return new Vector2(mid.x, Func(t) + Mathf.Lerp(start.y, end.y, t));
    }
}

使用方法

public class Test : MonoBehaviour
{
    public Transform start;
    public Transform target;
    public Transform ball;

    private float t;

    private void Start()
    {
        DOTween.To(setter: value =>
            {
                Debug.Log(value);
                ball.position = Parabola(start.position, target.position, 10, value);
            }, startValue: 0, endValue: 1, duration: 5)
            .SetEase(Ease.Linear);
    }
}

效果演示

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