private void GenThumbnail(Uri resourceUri, string thumbnailPath)
{
NativeObjectAdapter gameLevel = GameEngine.GetGameLevel();
try
{
IResource resource = m_resourceService.Load(resourceUri);
IGameObject gob = m_resourceConverterService.Convert(resource);
if (gob == null)
{
return;
}
m_game.RootGameObjectFolder.GameObjects.Add(gob);
GameEngine.SetRenderState(m_renderState);
GameEngine.SetGameLevel(m_game.Cast <NativeObjectAdapter>());
m_gameEngine.WaitForPendingResources();
FrameTime fr = new FrameTime(0, 0);
m_gameEngine.Update(fr, UpdateType.Paused);
IBoundable boundable = gob.Cast <IBoundable>();
Sphere3F sphere = boundable.BoundingBox.ToSphere();
if (Math.Abs(sphere.Radius) <= float.Epsilon)
{
sphere.Radius = 1.0f;
}
m_cam.SetPerspective(
(float)Math.PI / 4,
1.0f,
sphere.Radius * 0.01f,
sphere.Radius * 4.0f);
Vec3F camPos = sphere.Center + new Vec3F(sphere.Radius, sphere.Radius, sphere.Radius) * 1.5f;
m_cam.Set(camPos, sphere.Center, new Vec3F(0, 1, 0));
GameEngine.Begin(m_renderSurface.InstanceId, m_cam.ViewMatrix, m_cam.ProjectionMatrix);
GameEngine.RenderGame();
GameEngine.End();
GameEngine.SaveRenderSurfaceToFile(m_renderSurface.InstanceId, thumbnailPath);
m_game.RootGameObjectFolder.GameObjects.Remove(gob);
m_resourceService.Unload(resourceUri);
}
finally
{
GameEngine.SetGameLevel(gameLevel);
}
}