unity3d将图片像扑克牌一样旋转

转载自注明: https://blog.****.net/weixin_34067102/article/details/87469306 

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

public class RotateCardScript : MonoBehaviour {

public Transform root; //Canvas
public Image items;//一张50*100image
Image[] item;
public int length = 10;
public float width = 35f;
public float angl = 10;
void Start()
{
    init();
}
void Update()
{
    if (Input.GetMouseButtonDown(0))
    {
        sort();
    }
}
void init()
{
    item = new Image[length];
    for (int i = 0; i < length; i++)
    {
        item[i] = Instantiate(items) as Image;
        item[i].transform.parent = root;
        Debug.Log(item[i].rectTransform.position);
        item[i].rectTransform.localPosition = new Vector3(-(width * ((float)(length - 1) / 2 - i)), 0, 0);
        //item[i].color = Color.white - (i * new Color(0, 0.1f, 0.1f, 0));
    }
}
void sort()
{
    Debug.Log(Mathf.Tan(Mathf.Deg2Rad * angl));
    for (int i = 0; i < length; i++)
    {
        item[i].rectTransform.localPosition = new Vector3(-(width * ((float)(length - 1) / 2 - i)), -(width * ((float)(length - 1) / 2 - i)) / Mathf.Sin(Mathf.Deg2Rad * angl * ((float)(length - 1) / 2 - i)) + (1f / (Mathf.Tan(Mathf.Deg2Rad * angl * ((float)(length - 1) / 2 - i))) * (width * ((float)(length - 1) / 2 - i))), 0);
        item[i].rectTransform.eulerAngles = new Vector3(0, 0, angl * ((float)(length - 1) / 2 - i));
    }
}

}