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added an FPS counter to the demos

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Ellpeck 2020-02-20 17:57:14 +01:00
parent ab9e9f2a1b
commit 93a77b882f
1 changed files with 13 additions and 0 deletions
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13
Demos/GameImpl.cs
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@ -14,6 +14,9 @@ namespace Demos {
private static readonly Dictionary<string, Func<MlemGame, Demo>> Demos = new Dictionary<string, Func<MlemGame, Demo>>();
private Demo activeDemo;
private double fpsTime;
private int lastFps;
private int fpsCounter;
static GameImpl() {
Demos.Add("Ui", game => new UiDemo(game));
@ -68,6 +71,8 @@ namespace Demos {
PositionOffset = new Vector2(0, 1)
});
}
this.UiSystem.Add("Fps", new Paragraph(Anchor.TopLeft, 1, p => "FPS: " + this.lastFps));
}
protected override void DoDraw(GameTime gameTime) {
@ -77,6 +82,14 @@ namespace Demos {
this.GraphicsDevice.Clear(Color.CornflowerBlue);
}
base.DoDraw(gameTime);
this.fpsCounter++;
this.fpsTime += gameTime.ElapsedGameTime.TotalSeconds;
if (this.fpsTime >= 1) {
this.fpsTime -= 1;
this.lastFps = this.fpsCounter;
this.fpsCounter = 0;
}
}
protected override void DoUpdate(GameTime gameTime) {