unity ScrollRect 怎么用代码到达列表最下方

你可以通过设置 `ScrollRect` 的 `verticalNormalizedPosition` 属性将其滚动到列表的底部。这个属性的值在 0 到 1 之间，表示滚动条的位置，0 表示在顶部，1 表示在底部。

以下是一个示例代码：

using UnityEngine;
using UnityEngine.UI;

public class ScrollToBottom : MonoBehaviour
{
    public ScrollRect scrollRect;

    public void ScrollToBottom()
    {
        scrollRect.verticalNormalizedPosition = 0f;
    }
}

你只需将 `scrollRect` 属性设置为你的 `ScrollRect` 组件，然后调用 `ScrollToBottom` 方法即可将其滚动到底部。你可以在需要时调用此方法，如在添加新内容后自动滚动到底部等。

相关问题

unity ScrollRect列表滑动居中

要实现ScrollRect列表滑动居中，可以按照以下步骤操作：

1. 获取滑动列表中心点的位置。

Vector3 center = content.GetComponent<RectTransform>().position;

2. 获取可视区域的大小。

Vector2 viewportSize = scrollRect.viewport.rect.size;

3. 获取列表项的总高度。

float totalHeight = content.GetComponent<RectTransform>().sizeDelta.y;

4. 获取当前可视区域的起始位置。

float startPosition = -content.anchoredPosition.y;

5. 计算滑动列表需要滑动的距离。

float offsetY = center.y - (startPosition + viewportSize.y / 2);

6. 计算滑动列表需要滑动的时间。

float time = offsetY / totalHeight * scrollRect.movementType.elasticity;

7. 调用ScrollRect的滑动方法，使列表居中。

scrollRect.normalizedPosition = new Vector2(0, Mathf.Clamp01((startPosition + offsetY) / totalHeight));

通过以上步骤，就可以实现Unity中ScrollRect列表滑动居中了。

unity scrollrect

Unity ScrollRect is a UI component that allows users to scroll through a list of items or a large image. It is commonly used in mobile applications and games where limited screen space is available.

The ScrollRect component is used to create a scrollable view by placing UI elements inside it. The elements can be arranged in a vertical or horizontal layout, and scrolling can be done using touch or mouse events.

The ScrollRect component has several properties that can be used to customize its behavior. These properties include content size, viewport size, scroll sensitivity, and scrollbar visibility.

To use the ScrollRect component, you need to create a UI canvas and add the ScrollRect component to it. You can then add UI elements to the ScrollRect's content area and adjust its properties to suit your needs.

Overall, the Unity ScrollRect is a powerful and flexible UI component that can help you create engaging and user-friendly interfaces for your games and applications.