Created
February 2, 2024 13:28
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Take a screenshot using a specified camera in-game in Unity
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using System.Collections.Generic; | |
using System.IO; | |
using System.Linq; | |
using UnityEngine; | |
using Directory = UnityEngine.Windows.Directory; | |
public class ScreenshotTool : MonoBehaviour | |
{ | |
[SerializeField] private Camera _targetCamera; | |
[SerializeField] private Vector2Int _targetResolution = new Vector2Int(1000, 1000); | |
private enum Filetype | |
{ | |
JPG, | |
PNG, | |
TGA | |
} | |
[SerializeField] private Filetype _filetype; | |
[SerializeField] private string _screenshotName; | |
private void Start() | |
{ | |
TakeScreenshot(); | |
} | |
private void TakeScreenshot() | |
{ | |
RenderTexture renderTexture = new RenderTexture(_targetResolution.x, _targetResolution.y, 24); | |
_targetCamera.targetTexture = renderTexture; | |
Texture2D screenShot = new Texture2D(_targetResolution.x, _targetResolution.y, TextureFormat.RGB24, false); | |
_targetCamera.Render(); | |
RenderTexture.active = renderTexture; | |
screenShot.ReadPixels(new Rect(0, 0, _targetResolution.x, _targetResolution.y), 0, 0); | |
_targetCamera.targetTexture = null; | |
RenderTexture.active = null; | |
Destroy(renderTexture); | |
byte[] bytes = EncodeScreenshot(screenShot); | |
string screenshotPath = $"{Application.dataPath}/Screenshots"; | |
if (!Directory.Exists(screenshotPath)) | |
{ | |
Directory.CreateDirectory(screenshotPath); | |
} | |
string path = $"{screenshotPath}/{_screenshotName}.{GetScreenshotFormat()}"; | |
File.WriteAllBytes(path, bytes); | |
Debug.Log($"Took screenshot to: {path}"); | |
} | |
private byte[] EncodeScreenshot(Texture2D screenShot) | |
{ | |
List<byte> bytes = new List<byte>(); | |
switch (_filetype) | |
{ | |
case (Filetype.JPG): | |
bytes = screenShot.EncodeToJPG().ToList(); | |
break; | |
case (Filetype.PNG): | |
bytes = screenShot.EncodeToPNG().ToList(); | |
break; | |
case (Filetype.TGA): | |
bytes = screenShot.EncodeToTGA().ToList(); | |
break; | |
} | |
return bytes.ToArray(); | |
} | |
private string GetScreenshotFormat() | |
{ | |
string format = ""; | |
switch (_filetype) | |
{ | |
case (Filetype.JPG): | |
format = "jpg"; | |
break; | |
case (Filetype.PNG): | |
format = "png"; | |
break; | |
case (Filetype.TGA): | |
format = "tga"; | |
break; | |
} | |
return format; | |
} | |
} |
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