public string MakeMiniature(Guid projectGuid)
{
var camGo = new GameObject();
var cam = camGo.AddComponent <Camera>();
cam.cullingMask = LayerMask.GetMask("Area");
var bounds = areaRenderer.GetBounds();
camGo.transform.LookAt(bounds.center, Vector3.up);
var size = bounds.size.magnitude;
var distanceFromPoint = (Camera.main.transform.position - bounds.center).magnitude;
cam.fieldOfView = 2.0f * Mathf.Rad2Deg * Mathf.Atan((0.5f * size) / distanceFromPoint);
var targetTexture = new RenderTexture(200, 200, 0);
targetTexture.antiAliasing = 8;
targetTexture.Create();
var previousTexture = RenderTexture.active;
RenderTexture.active = targetTexture;
cam.targetTexture = targetTexture;
cam.Render();
var texture = new Texture2D(200, 200);
texture.ReadPixels(new Rect(0, 0, texture.width, texture.height), 0, 0, false);
texture.Apply();
var textureData = texture.EncodeToPNG();
var path = Path.Combine(Application.persistentDataPath, projectGuid.ToString(), SaveFile.miniaturesPath);
var filename = Guid.NewGuid() + ".png";
var fullPath = Path.Combine(path, filename);
Directory.CreateDirectory(path);
using (var file = File.Open(fullPath, FileMode.OpenOrCreate))
{
file.Write(textureData, 0, textureData.Length);
}
Destroy(camGo);
RenderTexture.active = previousTexture;
targetTexture.Release();
return(filename);
}
