/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input, and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
if (outcome == -1)
{
lander.Update(gameTime);
outcome = LandCheck();
rotationUI.Text = lander.Rotation.ToString();
vxUI.Text = lander.Vx.ToString();
vyUI.Text = lander.Vy.ToString();
}
else if (outcome == 0)
{
resultUI.Text = "Success";
}
else if (outcome == 1)
{
resultUI.Text = "Failure";
}
base.Update(gameTime);
}
protected override void Update(GameTime gameTime)
{
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
if (Keyboard.GetState().IsKeyDown(Keys.Left))
{
lander.angle -= 2;
}
if (Keyboard.GetState().IsKeyDown(Keys.Right))
{
lander.angle += 2;
}
if (Keyboard.GetState().IsKeyDown(Keys.Up))
{
lander.engineOn = true;
float angle_radian = MathHelper.ToRadians(lander.angle);
float angle_x = (float)Math.Cos(angle_radian) * lander.speed;
float angle_y = (float)Math.Sin(angle_radian) * lander.speed;
lander.velocity += new Vector2(angle_x, angle_y);
}
else
{
lander.engineOn = false;
}
if (lander.position.X < 0)
{
lander.position = new Vector2(0, lander.position.Y);
lander.velocity = new Vector2(0 - lander.velocity.X, lander.velocity.Y);
}
if (lander.position.X > GraphicsDevice.Viewport.Width)
{
lander.position = new Vector2(GraphicsDevice.Viewport.Width, lander.position.Y);
lander.velocity = new Vector2(0 - lander.velocity.X, lander.velocity.Y);
}
if (lander.position.Y > GraphicsDevice.Viewport.Height)
{
lander.position = new Vector2(lander.position.X, GraphicsDevice.Viewport.Height);
lander.velocity = new Vector2(lander.velocity.X, 0 - lander.velocity.Y);
}
lander.Update();
base.Update(gameTime);
}