protected override void Update(GameTime gameTime)
{
_gameUpdatePerformance.Begin();
// For Mobile devices, this logic will close the Game when the Back button is pressed
// Exit() is obsolete on iOS
#if !__IOS__ && !__TVOS__
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
#endif
base.Update(gameTime);
_gameUpdatePerformance.End();
}
protected override void Draw(GameTime gameTime)
{
_gameDrawPerformance.Begin();
GraphicsDevice.Clear(Color.CornflowerBlue);
_spriteBatch.Begin();
for (float i = 0.0f; i < 1.0f; i += StepInterval)
{
_tweenPerformance.Begin();
float x1 = i, x2 = i + StepInterval;
Vector2 start = new Vector2(x1 * GraphicsDevice.Viewport.Width, Interpolator.Step(_pStart.Y, _pEnd.Y, x1, 0.5f, true));
Vector2 end = new Vector2(x2 * GraphicsDevice.Viewport.Width, Interpolator.Step(_pStart.Y, _pEnd.Y, x2, 0.5f, true));
_spriteBatch.DrawLine(Color.Blue, start, end, 3);
start = new Vector2(x1 * GraphicsDevice.Viewport.Width, Interpolator.Linear(_pStart.Y, _pEnd.Y, x1, 0.5f, true));
end = new Vector2(x2 * GraphicsDevice.Viewport.Width, Interpolator.Linear(_pStart.Y, _pEnd.Y, x2, 0.5f, true));
_spriteBatch.DrawLine(Color.Yellow, start, end, 2);
start = new Vector2(x1 * GraphicsDevice.Viewport.Width, Interpolator.Sine(_pStart.Y, _pEnd.Y, x1, 0.25f, true));
end = new Vector2(x2 * GraphicsDevice.Viewport.Width, Interpolator.Sine(_pStart.Y, _pEnd.Y, x2, 0.25f, true));
_spriteBatch.DrawLine(Color.Pink, start, end, 2);
start = new Vector2(x1 * GraphicsDevice.Viewport.Width, Interpolator.SineIn(_pStart.Y, _pEnd.Y, x1, 0.5f, true));
end = new Vector2(x2 * GraphicsDevice.Viewport.Width, Interpolator.SineIn(_pStart.Y, _pEnd.Y, x2, 0.5f, true));
_spriteBatch.DrawLine(Color.Green, start, end, 2);
start = new Vector2(x1 * GraphicsDevice.Viewport.Width, Interpolator.SineOut(_pStart.Y, _pEnd.Y, x1, 0.5f, true));
end = new Vector2(x2 * GraphicsDevice.Viewport.Width, Interpolator.SineOut(_pStart.Y, _pEnd.Y, x2, 0.5f, true));
_spriteBatch.DrawLine(Color.Red, start, end, 2);
start = new Vector2(x1 * GraphicsDevice.Viewport.Width, Interpolator.SineInOut(_pStart.Y, _pEnd.Y, x1, 0.5f, true));
end = new Vector2(x2 * GraphicsDevice.Viewport.Width, Interpolator.SineInOut(_pStart.Y, _pEnd.Y, x2, 0.5f, true));
_spriteBatch.DrawLine(Color.Purple, start, end, 2);
start = new Vector2(x1 * GraphicsDevice.Viewport.Width, Interpolator.Quadratic(_pStart.Y, _pEnd.Y, x1, 0.25f, true));
end = new Vector2(x2 * GraphicsDevice.Viewport.Width, Interpolator.Quadratic(_pStart.Y, _pEnd.Y, x2, 0.25f, true));
_spriteBatch.DrawLine(Color.Pink, start, end, 2);
start = new Vector2(x1 * GraphicsDevice.Viewport.Width, Interpolator.QuadraticIn(_pStart.Y, _pEnd.Y, x1, 0.5f, true));
end = new Vector2(x2 * GraphicsDevice.Viewport.Width, Interpolator.QuadraticIn(_pStart.Y, _pEnd.Y, x2, 0.5f, true));
_spriteBatch.DrawLine(Color.Green, start, end, 2);
start = new Vector2(x1 * GraphicsDevice.Viewport.Width, Interpolator.QuadraticOut(_pStart.Y, _pEnd.Y, x1, 0.5f, true));
end = new Vector2(x2 * GraphicsDevice.Viewport.Width, Interpolator.QuadraticOut(_pStart.Y, _pEnd.Y, x2, 0.5f, true));
_spriteBatch.DrawLine(Color.Red, start, end, 2);
start = new Vector2(x1 * GraphicsDevice.Viewport.Width, Interpolator.QuadraticInOut(_pStart.Y, _pEnd.Y, x1, 0.5f, true));
end = new Vector2(x2 * GraphicsDevice.Viewport.Width, Interpolator.QuadraticInOut(_pStart.Y, _pEnd.Y, x2, 0.5f, true));
_spriteBatch.DrawLine(Color.Purple, start, end, 2);
start = new Vector2(x1 * GraphicsDevice.Viewport.Width, Interpolator.Cubic(_pStart.Y, _pEnd.Y, x1, 0.25f, true));
end = new Vector2(x2 * GraphicsDevice.Viewport.Width, Interpolator.Cubic(_pStart.Y, _pEnd.Y, x2, 0.25f, true));
_spriteBatch.DrawLine(Color.Pink, start, end, 2);
start = new Vector2(x1 * GraphicsDevice.Viewport.Width, Interpolator.CubicIn(_pStart.Y, _pEnd.Y, x1, 0.5f, true));
end = new Vector2(x2 * GraphicsDevice.Viewport.Width, Interpolator.CubicIn(_pStart.Y, _pEnd.Y, x2, 0.5f, true));
_spriteBatch.DrawLine(Color.Green, start, end, 2);
start = new Vector2(x1 * GraphicsDevice.Viewport.Width, Interpolator.CubicOut(_pStart.Y, _pEnd.Y, x1, 0.5f, true));
end = new Vector2(x2 * GraphicsDevice.Viewport.Width, Interpolator.CubicOut(_pStart.Y, _pEnd.Y, x2, 0.5f, true));
_spriteBatch.DrawLine(Color.Red, start, end, 2);
start = new Vector2(x1 * GraphicsDevice.Viewport.Width, Interpolator.CubicInOut(_pStart.Y, _pEnd.Y, x1, 0.5f, true));
end = new Vector2(x2 * GraphicsDevice.Viewport.Width, Interpolator.CubicInOut(_pStart.Y, _pEnd.Y, x2, 0.5f, true));
_spriteBatch.DrawLine(Color.Purple, start, end, 2);
start = new Vector2(x1 * GraphicsDevice.Viewport.Width, Interpolator.Exponential(_pStart.Y, _pEnd.Y, x1, MathHelper.E, 0.25f, true));
end = new Vector2(x2 * GraphicsDevice.Viewport.Width, Interpolator.Exponential(_pStart.Y, _pEnd.Y, x2, MathHelper.E, 0.25f, true));
_spriteBatch.DrawLine(Color.Pink, start, end, 2);
start = new Vector2(x1 * GraphicsDevice.Viewport.Width, Interpolator.ExponentialIn(_pStart.Y, _pEnd.Y, x1, MathHelper.E, 0.5f, true));
end = new Vector2(x2 * GraphicsDevice.Viewport.Width, Interpolator.ExponentialIn(_pStart.Y, _pEnd.Y, x2, MathHelper.E, 0.5f, true));
_spriteBatch.DrawLine(Color.Green, start, end, 2);
start = new Vector2(x1 * GraphicsDevice.Viewport.Width, Interpolator.ExponentialOut(_pStart.Y, _pEnd.Y, x1, MathHelper.E, 0.5f, true));
end = new Vector2(x2 * GraphicsDevice.Viewport.Width, Interpolator.ExponentialOut(_pStart.Y, _pEnd.Y, x2, MathHelper.E, 0.5f, true));
_spriteBatch.DrawLine(Color.Red, start, end, 2);
start = new Vector2(x1 * GraphicsDevice.Viewport.Width, Interpolator.ExponentialInOut(_pStart.Y, _pEnd.Y, x1, MathHelper.E, 0.5f, true));
end = new Vector2(x2 * GraphicsDevice.Viewport.Width, Interpolator.ExponentialInOut(_pStart.Y, _pEnd.Y, x2, MathHelper.E, 0.5f, true));
_spriteBatch.DrawLine(Color.Purple, start, end, 2);
start = new Vector2(x1 * GraphicsDevice.Viewport.Width, Interpolator.Logarithmic(_pStart.Y, _pEnd.Y, x1, MathHelper.E, 0.25f, true));
end = new Vector2(x2 * GraphicsDevice.Viewport.Width, Interpolator.Logarithmic(_pStart.Y, _pEnd.Y, x2, MathHelper.E, 0.25f, true));
_spriteBatch.DrawLine(Color.Pink, start, end, 2);
start = new Vector2(x1 * GraphicsDevice.Viewport.Width, Interpolator.LogarithmicIn(_pStart.Y, _pEnd.Y, x1, MathHelper.E, 0.5f, true));
end = new Vector2(x2 * GraphicsDevice.Viewport.Width, Interpolator.LogarithmicIn(_pStart.Y, _pEnd.Y, x2, MathHelper.E, 0.5f, true));
_spriteBatch.DrawLine(Color.Green, start, end, 2);
start = new Vector2(x1 * GraphicsDevice.Viewport.Width, Interpolator.LogarithmicOut(_pStart.Y, _pEnd.Y, x1, MathHelper.E, 0.5f, true));
end = new Vector2(x2 * GraphicsDevice.Viewport.Width, Interpolator.LogarithmicOut(_pStart.Y, _pEnd.Y, x2, MathHelper.E, 0.5f, true));
_spriteBatch.DrawLine(Color.Red, start, end, 2);
start = new Vector2(x1 * GraphicsDevice.Viewport.Width, Interpolator.LogarithmicInOut(_pStart.Y, _pEnd.Y, x1, MathHelper.E, 0.5f, true));
end = new Vector2(x2 * GraphicsDevice.Viewport.Width, Interpolator.LogarithmicInOut(_pStart.Y, _pEnd.Y, x2, MathHelper.E, 0.5f, true));
_spriteBatch.DrawLine(Color.Purple, start, end, 2);
start = new Vector2(x1 * GraphicsDevice.Viewport.Width, Interpolator.Circular(_pStart.Y, _pEnd.Y, x1, 0.25f, true));
end = new Vector2(x2 * GraphicsDevice.Viewport.Width, Interpolator.Circular(_pStart.Y, _pEnd.Y, x2, 0.25f, true));
_spriteBatch.DrawLine(Color.Pink, start, end, 2);
start = new Vector2(x1 * GraphicsDevice.Viewport.Width, Interpolator.CircularIn(_pStart.Y, _pEnd.Y, x1, 0.5f, true));
end = new Vector2(x2 * GraphicsDevice.Viewport.Width, Interpolator.CircularIn(_pStart.Y, _pEnd.Y, x2, 0.5f, true));
_spriteBatch.DrawLine(Color.Green, start, end, 2);
start = new Vector2(x1 * GraphicsDevice.Viewport.Width, Interpolator.CircularOut(_pStart.Y, _pEnd.Y, x1, 0.5f, true));
end = new Vector2(x2 * GraphicsDevice.Viewport.Width, Interpolator.CircularOut(_pStart.Y, _pEnd.Y, x2, 0.5f, true));
_spriteBatch.DrawLine(Color.Red, start, end, 2);
start = new Vector2(x1 * GraphicsDevice.Viewport.Width, Interpolator.CircularInOut(_pStart.Y, _pEnd.Y, x1, 0.5f, true));
end = new Vector2(x2 * GraphicsDevice.Viewport.Width, Interpolator.CircularInOut(_pStart.Y, _pEnd.Y, x2, 0.5f, true));
_spriteBatch.DrawLine(Color.Purple, start, end, 2);
_tweenPerformance.End();
}
_spriteBatch.End();
base.Draw(gameTime);
_gameDrawPerformance.End();
// Refresh here as the end-of-frame
PerformanceTimer.FrameRefresh();
_gameDrawPerformance.Refresh();
_tweenPerformance.Refresh();
// Draw the results onto the screen
_spriteBatch.Begin();
_spriteBatch.DrawString(_font, "CurFPS: " + PerformanceTimer.CurrentFramerate.ToString("0.00"), Vector2.Zero, Color.White);
_spriteBatch.DrawString(_font, "MinFPS: " + PerformanceTimer.MinFramerate.ToString("0.00"), Vector2.UnitY * 20, Color.White);
_spriteBatch.DrawString(_font, "MaxFPS: " + PerformanceTimer.MaxFramerate.ToString("0.00"), Vector2.UnitY * 40, Color.White);
_spriteBatch.DrawString(_font, "AvgFPS: " + PerformanceTimer.AverageFramerate.ToString("0.00"), Vector2.UnitY * 60, Color.White);
_spriteBatch.DrawString(_font, "CurDraw: " + _gameDrawPerformance.Current.ToString("0.00ms"), Vector2.UnitY * 100, Color.Black);
_spriteBatch.DrawString(_font, "MinDraw: " + _gameDrawPerformance.Min.ToString("0.00ms"), Vector2.UnitY * 120, Color.Black);
_spriteBatch.DrawString(_font, "MaxDraw: " + _gameDrawPerformance.Max.ToString("0.00ms"), Vector2.UnitY * 140, Color.Black);
_spriteBatch.DrawString(_font, "AvgDraw: " + _gameDrawPerformance.Average.ToString("0.00ms"), Vector2.UnitY * 160, Color.Black);
_spriteBatch.DrawString(_font, "CurTween: " + _tweenPerformance.Current.ToString("0.00ms"), Vector2.UnitY * 200, Color.Black);
_spriteBatch.DrawString(_font, "MinTween: " + _tweenPerformance.Min.ToString("0.00ms"), Vector2.UnitY * 220, Color.Black);
_spriteBatch.DrawString(_font, "MaxTween: " + _tweenPerformance.Max.ToString("0.00ms"), Vector2.UnitY * 240, Color.Black);
_spriteBatch.DrawString(_font, "AvgTween: " + _tweenPerformance.Average.ToString("0.00ms"), Vector2.UnitY * 260, Color.Black);
_spriteBatch.DrawDecimal(_font, _tweenPerformance.Average, 2, Vector2.UnitY * 280, Color.Black);
_spriteBatch.DrawDecimal(_font, PerformanceTimer.CurrentFramerate, 2, Vector2.UnitY * 300, Color.Black);
_spriteBatch.End();
// Let the next 'frame' begin now because Draw() is throttled internally
PerformanceTimer.FrameTick();
}