//previewの用意
private void previewSetup()
{
previewObject = expansion.GetBuiltObject((StageGenerator.Built)previewNumber);
//previewObject.hideFlags = HideFlags.HideAndDontSave;
previewObject.SetActive(true);
var flags = BindingFlags.Static | BindingFlags.NonPublic;
var propInfo = typeof(Camera).GetProperty("PreviewCullingLayer", flags);
int previewLayer = (int)propInfo.GetValue(null, new object[0]);
previewRenderUtility = new PreviewRenderUtility(true);
previewRenderUtility.AddSingleGO(previewObject);
//FieldOfView を 30 にするとちょうどいい見た目になる
previewRenderUtility.cameraFieldOfView = 30f;
//必要に応じて nearClipPlane と farClipPlane を設定
previewRenderUtility.camera.nearClipPlane = 0.3f;
previewRenderUtility.camera.farClipPlane = 1000;
//previewLayer のみ表示する
previewRenderUtility.camera.cullingMask = 1 << previewLayer;
var previewCamera = previewRenderUtility.camera;
previewCamera.transform.position = previewObject.transform.position + new Vector3(2.5f, 2.5f, -5);
previewCamera.transform.LookAt(previewObject.transform);
previewCamera.clearFlags = CameraClearFlags.Skybox;
previewCamera.backgroundColor = new Color(0.9f, 0.9f, 0.9f);
previewObject.layer = previewLayer;
foreach (Transform transform in previewObject.transform)
{
transform.gameObject.layer = previewLayer;
}
}
