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