unity仿真实例

3d模式UI界面

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答：

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UI?TestMeshPro?面向摄像机

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答：
方案一：每个小Canvas

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方案二：sprite +button +TextMeshPro
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using UnityEngine;
using System.Collections;
using UnityEngine.Events;

/// <summary>
/// 主要是按钮:
///     a. 默认的点击效果
///     b. 切换点击的图片
/// </summary>
public class ButtonSprite : MonoBehaviour
{

    public enum BTN_TYPE
    {
        DEFAULT,
        NORMAL,
    };

    public string name = "ButtonSprite";
    public BTN_TYPE btnType = BTN_TYPE.DEFAULT;

    private Sprite defauleSprite;
    public Sprite clickedSprite;

    private SpriteRenderer render;

    public UnityEvent OnClick;

    void Start()
    {
        render = GetComponent<SpriteRenderer>();
        defauleSprite = render.sprite;
    }

    void OnMouseDown()
    {
        if (btnType == BTN_TYPE.DEFAULT)
        {
            render.color = Color.gray;
        }
        else if (btnType == BTN_TYPE.NORMAL)
        {
            render.sprite = clickedSprite;
        }
    }

    void OnMouseUp()
    {
        if (btnType == BTN_TYPE.DEFAULT)
        {
            render.color = Color.white;
        }
        else if (btnType == BTN_TYPE.NORMAL)
        {
            render.sprite = defauleSprite;
        }
        Debug.Log("btn clicked!!!");

        if(OnClick!=null)
        {
            OnClick.Invoke();
        }
    }
}

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

public class FaceToCamera : MonoBehaviour
{

    void Update()
    {
        transform.rotation = Camera.main.transform.rotation;
    }
}

鼠标控制模型旋转

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答：

using UnityEngine;

public class ModelSwitch : MonoBehaviour
{
    private float lastPosX;
    private float lastPosY;
    public Transform CameraX;
    public Transform CameraY;
    private float RotaSpeed;
    public float Speed = 100;
    private float range = 2;

    void Update()
    {
        RotaSpeed = -Speed * Time.deltaTime;

        if (Input.GetMouseButton(1))
        {
            if (Input.mousePosition.x > lastPosX + range)
            {
                CameraX.Rotate(Vector3.up, RotaSpeed,Space.World);
                lastPosX = Input.mousePosition.x;

            }
            else if (Input.mousePosition.x < lastPosX - range)
            {
                CameraX.Rotate(Vector3.up, -RotaSpeed, Space.World);
                lastPosX = Input.mousePosition.x;
            }

            if (Input.mousePosition.y > lastPosY + range)
            {
                CameraY.Rotate(Vector3.right, -RotaSpeed, Space.World);
                lastPosY = Input.mousePosition.y;

            }
            else if (Input.mousePosition.y < lastPosY - range)
            {
                CameraY.Rotate(Vector3.right, RotaSpeed, Space.World);
                lastPosY = Input.mousePosition.y;
            }
        }
    }
}

3D按钮跳到新位置，按钮朝向相机

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点击触发动画

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外发光特效

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