using unityengine;

public class screenshotmovie : Monobehaviour
{
// the folder we place all screenshots inside.
// if the folder exists we will append ......s to create an empty folder.
Public string folder = "screenshotmovieoutput";
public int framerate = 25;
public int sizemultiplier = 1;

private string realfolder = "";

void start()
{
// set the playback framerate!
// (real time doesn't influence time anymore)
time.captureframerate = framerate;

// find a folder that doesn't exist yet by appending ......s!
Realfolder = folder;
int count = 1;
while (system.io.directory.exists(realfolder))
{
realfolder = folder + count;
count++;
}
// create the folder
system.io.directory.createdirectory(realfolder);
}

void update()
{
// name is "realfolder/shot 0005.png"
var name = string.format("{0}/shot {1:d04}.png", realfolder, time.framecount);

// capture the screenshot
application.capturescreenshot(name, sizemultiplier);
}
}