axiosengine/axios/ScreenSystem/FramerateCounterComponent.cs

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2012-03-19 23:57:59 +00:00
using System;
using System.Globalization;
using Microsoft.Xna.Framework;
using GameStateManagement;
2012-03-19 23:57:59 +00:00
namespace FarseerPhysics.SamplesFramework
{
/// <summary>
/// Displays the FPS
/// </summary>
public class FrameRateCounter : DrawableGameComponent
{
private TimeSpan _elapsedTime = TimeSpan.Zero;
private NumberFormatInfo _format;
private int _frameCounter;
private int _frameRate;
private Vector2 _position;
private ScreenManager _screenManager;
public FrameRateCounter(ScreenManager screenManager)
: base(screenManager.Game)
{
_screenManager = screenManager;
_format = new NumberFormatInfo();
_format.NumberDecimalSeparator = ".";
#if XBOX
_position = new Vector2(55, 35);
#else
_position = new Vector2(30, 25);
#endif
}
public override void Update(GameTime gameTime)
{
_elapsedTime += gameTime.ElapsedGameTime;
if (_elapsedTime <= TimeSpan.FromSeconds(1)) return;
_elapsedTime -= TimeSpan.FromSeconds(1);
_frameRate = _frameCounter;
_frameCounter = 0;
}
public override void Draw(GameTime gameTime)
{
_frameCounter++;
string fps = string.Format(_format, "{0} fps", _frameRate);
_screenManager.SpriteBatch.Begin();
_screenManager.SpriteBatch.DrawString(_screenManager.Fonts.FrameRateCounterFont, fps,
_position + Vector2.One, Color.Black);
_screenManager.SpriteBatch.DrawString(_screenManager.Fonts.FrameRateCounterFont, fps,
_position, Color.White);
_screenManager.SpriteBatch.End();
}
}
}