Question

Unity怎么让截完图之后显示在游戏中

我想实现的功能是点击一个按钮可以截取此时的手机屏幕，之后将截取的这张图片显示在游戏中？请指教代码如何实现？

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Answer 1

if (CaptureScreen)
{
//Vector3 Temp = gameObject.transform.position;
int iScreenW = Screen.width;
int iScreenH = Screen.height;
float scale = (float)iScreenH/iScreenW;
float fDefScale = 1.5f; //(float)960/640;

float [] array = new float[5];

if(scale >= fDefScale)
{
//rGameRect.width
array[1] = iScreenW;
//rGameRect.height
array[2]= fDefScale * iScreenW;

//rGameRect.left
array[3]= 0f;
//rGameRect.top
array[4]= (iScreenH - array[2])/2; //rGameRect.height)/2;
}
else{
//rGameRect.height
array[2]= iScreenH;
//rGameRect.width
array[1]= iScreenH / fDefScale;

//rGameRect.top
array[4]= 0f;
//rGameRect.left
array[3]= (iScreenW - array[1])/2; //rGameRect.width)/2;
}

Rect rGameRect = new Rect (array[3], array[4], array[1], array[2]);

//Rect rect = new Rect (0f, 0f, Screen.width, Screen.height);
//Texture2D screenShot = new Texture2D ((int)rect.width, (int)rect.height, TextureFormat.RGB24, false);
//screenShot.ReadPixels (rect, 0, 0);
Texture2D screenShot = new Texture2D ((int)rGameRect.width, (int)rGameRect.height, TextureFormat.RGB24, false);
screenShot.ReadPixels (rGameRect, 0, 0);
screenShot.Apply ();
CaptureScreen = false;
}

这段代码放到脚本中的OnPostRender函数中
然后将这个脚本挂到Camera上
截屏时改一下CaptureScreen为true；
截屏后是Texture2D类型 怎么用随你了