using UnityEngine; using System.IO; using System; [RequireComponent (typeof(Camera))] public class CaptureWithAlpha : MonoBehaviour { public int UpScale = 4; public bool AlphaBackground = true; Texture2D Screenshot () { var camera = GetComponent<Camera> (); int w = camera.pixelWidth * UpScale; int h = camera.pixelHeight * UpScale; var rt = new RenderTexture (w, h, 32); camera.targetTexture = rt; var screenShot = new Texture2D (w, h, TextureFormat.ARGB32, false); var clearFlags = camera.clearFlags; if (AlphaBackground) { camera.clearFlags = CameraClearFlags.SolidColor; camera.backgroundColor = new Color (0, 0, 0, 0); } camera.Render (); RenderTexture.active = rt; screenShot.ReadPixels (new Rect (0, 0, w, h), 0, 0); screenShot.Apply (); camera.targetTexture = null; RenderTexture.active = null; DestroyImmediate (rt); camera.clearFlags = clearFlags; return screenShot; } [ContextMenu ("Capture Screenshot")] public void SaveScreenshot () { var path = Environment.GetFolderPath (Environment.SpecialFolder.Desktop); var filename = "SS-" + DateTime.Now.ToString ("yyyy.MM.dd.HH.mm.ss") + ".png"; File.WriteAllBytes (Path.Combine (path, filename), Screenshot ().EncodeToPNG ()); } }
Monday, February 13, 2017
Take a Unity Screenshot with Alpha
This script takes a screenshot and saves it to the user desktop. It has options to use an alpha background, and also upscale the image. Useful for taking pictures of a scene or model for composition by artists.
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