/// <summary>
/// Updates the Entity.
/// </summary>
/// <param name="graphics">The graphics.</param>
/// <param name="input">The input.</param>
/// <param name="delta">The delta.</param>
public void Update(GraphicsDevice graphics, Input input, long delta)
{
LastDeath += delta;
double percent = delta / 1000.0;
if (input.Left())
{
Angle -= RadPerSecond * percent;
}
if (input.Right())
{
Angle += RadPerSecond * percent;
}
if (input.Thrusters())
{
Velocity += new Vector2(
(float)(Math.Cos(Angle) * AccelerationPerSecond * percent),
(float)(Math.Sin(Angle) * AccelerationPerSecond * percent));
}
else
{
Velocity = new Vector2((float)(Velocity.X * .98), (float)(Velocity.Y * .98));
}
Position += Velocity;
if (Position.X > graphics.Viewport.Width + Width)
{
Position = new Vector2(-Width + 1, Position.Y);
}
else if (Position.X < -Width)
{
Position = new Vector2(graphics.Viewport.Width + Width, Position.Y);
}
if (Position.Y > graphics.Viewport.Height + Height)
{
Position = new Vector2(Position.X, -Height + 1);
}
else if (Position.Y < -Height)
{
Position = new Vector2(Position.X, graphics.Viewport.Height + Height);
}
}
