Unity 屏幕适配小脚本

屏幕适配是可以通过代码实现的,相信给你时间就一定能写出来. 我们公司貌似没有分辨率适配框架通常对应小屏幕的苹果4要额外设置下等等就完了！

屏幕适配框架实现思路:  通过代码获取当前的分辨率 –> 选择不同图片显示 –> 游戏场景对分辨的相应变化

屏幕简单适配的小脚本：

using UnityEngine;
using System.Collections;

public class ScreenWide : MonoBehaviour {

    public Vector2 designResolution = new Vector2(960f, 640f);        //设计的时候分辨率
    public FitType match = FitType.stretch;                            //屏幕适配的类型
    public bool isUseFit;                                            //是否使用屏幕适配

    
    [HideInInspector] public Vector2 percentage;                    //屏幕是配比
    [HideInInspector] public float percentageWH = 0;        
    [HideInInspector] public Vector3 old_scale;

    public void Start(){
        old_scale = transform.localScale;

        //进行分辨率适配
        if (isUseFit) {
            Fit();
        }
    }

    public void Fit()
    {
        //计算百分比 高,宽
        percentage = new Vector2(designResolution.x / (Screen.width * 1.0f), designResolution.y / (Screen.height * 1.0f));
        percentageWH = Screen.width / (Screen.height * 1.0f) / (designResolution.x / designResolution.y);
    
        switch (match) {
            case FitType.stretch:    //拉伸
                transform.localScale = new Vector3(old_scale.x * percentageWH, old_scale.y * percentageWH, old_scale.z);
                break;
        case FitType.accordingHeight:// 以高为准
                transform.localScale = new Vector3(old_scale.x / percentage.y, old_scale.y / percentage.y, old_scale.z);
                break;
        case FitType.accordingWidth:// 以宽为准
                transform.localScale = new Vector3(old_scale.x / percentage.x, old_scale.y / percentage.x, old_scale.z);
                break;
        case FitType.onlyHeight:    // 只有宽拉伸
                transform.localScale = new Vector3(old_scale.x, percentageWH * old_scale.y, old_scale.z);
                break;
        case FitType.onlyWidth:        // 不进行图片适配
                transform.localScale = new Vector3(percentageWH * old_scale.x, old_scale.y, old_scale.z);
                break;
        }
    
    }

}
/// <summary>
/// 屏幕适配枚举
/// </summary>
public enum FitType
{
    /// <summary>
    /// 拉伸
    /// </summary>
    stretch,
    /// <summary>
    /// 以高为准
    /// </summary>
    accordingHeight,
    /// <summary>
    /// 以宽为准
    /// </summary>
    accordingWidth,
    /// <summary>
    /// 只有高拉伸
    /// </summary>
    onlyHeight,
    /// <summary>
    /// 只有宽拉伸
    /// </summary>
    onlyWidth,
    /// <summary>
    /// 不进行图片适配
    /// </summary>
    none
}

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