最近做项目的时候需要在游戏里截一张高清截图，研究了一下写成脚本，方便以后使用。
脚本可以自定义分辨率，用相机截高清截图。可以用代码动态截图，也可以在编辑模式下截图。
注意截图宽高比要正确，宽高比不正确时可能会出问题。
截图效果：
脚本:
cameracapture.cs
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using unityengine;using system.io; /// <summary>/// 相机截图/// <para>zhangyu 2018-07-06</para>/// </summary>public class cameracapture : monobehaviour { // 截图尺寸 public enum capturesize { camerasize, screenresolution, fixedsize } // 目标摄像机 public camera targetcamera; // 截图尺寸 public capturesize capturesize = capturesize.camerasize; // 像素尺寸 public vector2 pixelsize; // 保存路径 public string savepath = "streamingassets/"; // 文件名称 public string filename = "cameracapture.png"; #if unity_editor private void reset() { targetcamera = getcomponent<camera>(); pixelsize = new vector2(screen.currentresolution.width, screen.currentresolution.height); } #endif /// <summary> 保存截图 </summary> /// <param name="camera">目标摄像机</param> public void savecapture() { vector2 size = pixelsize; if (capturesize == capturesize.camerasize) { size = new vector2(targetcamera.pixelwidth, targetcamera.pixelheight); } else if (capturesize == capturesize.screenresolution) { size = new vector2(screen.currentresolution.width, screen.currentresolution.height); } string path = application.datapath + "/" + savepath + filename; savetexture(path, capture(targetcamera, (int)size.x, (int)size.y)); } /// <summary> 相机截图 </summary> /// <param name="camera">目标相机</param> public static texture2d capture(camera camera) { return capture(camera, screen.width, screen.height); } /// <summary> 相机截图 </summary> /// <param name="camera">目标相机</param> /// <param name="width">宽度</param> /// <param name="height">高度</param> public static texture2d capture(camera camera, int width, int height) { rendertexture rt = new rendertexture(width, height, 0); rt.depth = 24; rt.antialiasing = 8; camera.targettexture = rt; camera.renderdontrestore(); rendertexture.active = rt; texture2d texture = new texture2d(width, height, textureformat.argb32, false, true); rect rect = new rect(0, 0, width, height); texture.readpixels(rect, 0, 0); texture.filtermode = filtermode.point; texture.apply(); camera.targettexture = null; rendertexture.active = null; destroy(rt); return texture; } /// <summary> 保存贴图 </summary> /// <param name="path">保存路径</param> /// <param name="texture">texture2d</param> public static void savetexture(string path, texture2d texture) { file.writeallbytes(path, texture.encodetopng()); #if unity_editor debug.log("已保存截图到:" + path); #endif } } |
脚本编辑器:
cameracaptureeditor.cs
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using unityeditor;using unityengine; /// <summary>/// 相机截图 编辑器/// <para>zhangyu 2018-07-06</para>/// </summary>[caneditmultipleobjects][customeditor(typeof(cameracapture))]public class cameracaptureeditor : editor { public override void oninspectorgui() { // 属性 cameracapture script = (cameracapture)target; int selected = (int)script.capturesize; // 重绘gui editorgui.beginchangecheck(); drawproperty("targetcamera", "目标像机"); string[] options = new string[] { "像机尺寸", "屏幕尺寸", "固定尺寸"}; selected = editorguilayout.popup("截图尺寸", selected, options, guilayout.expandwidth(true)); script.capturesize = (cameracapture.capturesize)selected; if (script.capturesize == cameracapture.capturesize.fixedsize) { drawproperty("pixelsize", "像素尺寸"); editorguilayout.helpbox("请保持正确的宽高比！\n否则截图区域可能出现错误。", messagetype.info); } drawproperty("savepath", "保存路径"); drawproperty("filename", "文件名称"); // 保存截图按钮 bool ispress = guilayout.button("保存截图", guilayout.expandwidth(true)); if (ispress) script.savecapture(); if (editorgui.endchangecheck()) serializedobject.applymodifiedproperties(); } private void drawproperty(string property, string label) { editorguilayout.propertyfield(serializedobject.findproperty(property), new guicontent(label), true); } } |
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://segmentfault.com/a/1190000015552889
