竖倾斜ScrollView

using UnityEngine;
using UnityEngine.EventSystems;

public class ObliqueScroll : MonoBehaviour,IDragHandler
{
    public RectTransform viewport;
    public ObliqueScrollContent content;

    private Transform target;
    private float space_min;
    private float space_max;

    private Vector3 position_c;

    private void OnValidate()
    {
        if (content != null)
        {
            target = content.transform;
            space_min = 0;
            space_max = target.childCount * (content.v_cell.y + content.v_space) - viewport.rect.height;
            if (space_max < 0)
            {
                space_max = 0;
            }
        }
    }

    public void OnDrag(PointerEventData eventData)
    {
        float move_c = eventData.delta.y;
        position_c = target.localPosition;
        position_c.y += move_c;
        position_c = CheckOut(position_c);
        target.localPosition = position_c;
    }

    private Vector3 CheckOut(Vector3 position)
    {
        if (position.y <= space_min)
        {
            position.y = space_min;
        }
        if (position.y >= space_max)
        {
            position.y = space_max;
        }
        return position;
    }
}

using UnityEngine;

public class ObliqueScrollContent : MonoBehaviour
{
    public Vector2 v_cell;
    public float v_space;
    public float v_offset;

    private Vector2 half = new Vector2(0.5f, 0.5f);

    private void OnValidate()
    {
        Refresh();
    }

    private void Refresh()
    {
        for (int i = 0; i < transform.childCount; i++)
        {
            Transform cell = transform.GetChild(i);
            float pos_x = -i * v_offset;
            float pos_y = -i * (v_cell.y + v_space);
            RefreshCell(cell, new Vector3(pos_x, pos_y, 0));
        }
    }

    private void RefreshCell(Transform cell, Vector3 position)
    {
        RectTransform rt = (RectTransform)cell;
        rt.anchorMin = half;
        rt.anchorMax = half;
        rt.pivot = half;
        rt.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, v_cell.x);
        rt.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, v_cell.y);
        rt.localPosition = position;
    }
}

只是一个思路，拖动很生硬

Scroll(加ObliqueScroll， 倾斜X度)

　　viewport(加mask)

　　　　content(加ObliqueScrollContent， 倾斜-X度)

　　　　　　item1

　　　　　　item2

　　　　　　item3