learnGame

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;

namespace Sougou.Scripts.SougouKeyboard
{
    public class testClick : MonoBehaviour
    {
        // Start is called before the first frame update
        void Start()
        {
        }

        // Update is called once per frame
        void Update()
        {
            Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
            RaycastHit hitInfo;
            if (Input.GetMouseButtonDown(0))
            {
                //Debug.Log("mouse position:" + Input.mousePosition.ToString());
                if (Physics.Raycast(ray, out hitInfo))
                {
                    string name = hitInfo.collider.gameObject.name;
                    //if (name == "KeyBoard-LAYOUT")
                    {
                        GameObject kbd = hitInfo.collider.gameObject;
                        Vector3 vecKbd = kbd.transform.InverseTransformPoint(hitInfo.point);
                        Vector2 pixelUV = hitInfo.textureCoord;
                        Renderer rend = hitInfo.transform.GetComponent<Renderer>();
                        Texture2D tex = rend.material.mainTexture as Texture2D;
                        Vector2 pixelOrg;
                        Vector2 texSize = new Vector2(813, 345);
                        pixelOrg.x = pixelUV.x * texSize.x;
                        pixelOrg.y = (1 - pixelUV.y) * texSize.y;
                        Debug.Log("ray click " + name + ": 3d point=" + vecKbd.ToString() + " uv=(" + pixelUV.x + "," + pixelUV.y + ") org=(" + pixelOrg.ToString() + ")" + " w=" + texSize.x + ",h=" + texSize.y);
                    }
                }
            }
        }

        public void Click()
        {
            Debug.Log("click kbd");
        }

        private void LogEvent(string prefix, PointerEventData eventData)
        {
            Debug.Log(prefix + ": " + eventData.pointerCurrentRaycast.gameObject.name + " x=" + eventData.position.x + ",y=" + eventData.position.y);
        }
    }
}

搜狗输入法测试click。