protected override void OnRenderFrame(FrameEventArgs e)
{
long now = gameTime.ElapsedMilliseconds;
int dt = (int)(now - lastUpdate);
double frameFraction = Math.Min(1.0, (double)dt / 50.0);
g.NextGraphicFrame(dt);
// Setup camera, centered on the target (instead of the target being at the bottom-
// left). There are some constraints to prevent the camera from scrolling off the
// background; they make it stop just short of doing so.
// XXX: These hardcoded values should be taken from the level map,
// somehow...
const int xCenterOffset = 16;
const int yCenterOffset = 12;
Vector2d CameraTarget = g.Camera.Target;
CameraTarget.X = Misc.Clamp(CameraTarget.X,
xCenterOffset, g.GetLevel().Width - xCenterOffset - 1);
CameraTarget.Y = Misc.Clamp(CameraTarget.Y,
yCenterOffset, g.GetLevel().Height - yCenterOffset - 1);
Graphics.StartDraw(CameraTarget);
// Draw background
Vector2d MapOffset = new Vector2d(-xCenterOffset, -yCenterOffset);
Vector2d MapPoint = Vector2d.Add(CameraTarget, MapOffset);
//Console.WriteLine("MapPoint: {0}, {1}", MapPoint.X, MapPoint.Y);
g.Levels[g.CurrentLevel].Draw(MapPoint);
// Draw actual objects
foreach (IGameObj o in g.Objs)
{
o.Draw(frameFraction);
}
foreach (Particle p in g.Particles)
{
p.Draw(frameFraction);
}
//gui.Draw(g);
SwapBuffers();
}
