private void DOBezierCurve(Transform trans, Vector3[] points, float duration)
{
ulong n = (ulong)(points.Length - 1);
float t = 0;
poslist = new List <Vector3>();
var handler = DOTween.To(() => t, dt =>
{
t = dt;
trans.position = MathfUtil.BezierCurve(points, t);
poslist.Add(trans.position);
}, 1, duration);
handler.SetEase(Ease.Linear);
}
/// <summary>
/// 对象做贝塞尔曲线运动
/// </summary>
/// <param name="trans"></param>
/// <param name="points"></param>
/// <param name="duration"></param>
public static TweenerCore <float, float, FloatOptions> DOBezierCurve(this Transform trans, Vector3[] points, float duration, Action <float> cb = null)
{
ulong n = (ulong)(points.Length - 1);
float t = 0;
var handler = DOTween.To(() => t, dt =>
{
t = dt;
Vector3 pos = MathfUtil.BezierCurve(points, t);
var forward = (pos - trans.position).normalized;
if (forward != Vector3.zero)
{
trans.forward = forward;
}
trans.position = pos;
cb?.Invoke(dt);
}, 1, duration);
handler.SetEase(Ease.Linear);
return(handler);
}
private void Update()
{
t += Time.unscaledDeltaTime;
if (t <= duration)
{
Vector3 pos = MathfUtil.BezierCurve(points, t);
var forward = (pos - transform.position).normalized;
if (forward != Vector3.zero)
{
transform.forward = forward;
}
transform.position = pos;
points.Add(transform.position);
}
else
{
t = 0;
points.Clear();
CreateNewTween();
}
}