/// <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();
}
// STUDENTS: get current mouse state and update teddy
MouseState mouse = Mouse.GetState();
// check for right click started
if (mouse.RightButton == ButtonState.Pressed &&
rightButtonReleased)
{
rightClickStarted = true;
rightButtonReleased = false;
}
else if (mouse.RightButton == ButtonState.Released)
{
rightButtonReleased = true;
// if right click finished, add new pickup to list
if (rightClickStarted)
{
rightClickStarted = false;
// STUDENTS: add a new pickup to the end of the list of pickups
pickups.Add(new Pickup(pickupSprite, new Vector2(mouse.Position.X, mouse.Position.Y)));
// STUDENTS: if this is the first pickup in the list, set teddy target
if (pickups.Count == 1)
{
teddy.SetTarget(new Vector2(pickups[0].CollisionRectangle.Center.X, pickups[0].CollisionRectangle.Center.Y));
}
}
}
// check for collision between collecting teddy and targeted pickup
if (teddy.Collecting &&
teddy.CollisionRectangle.Intersects(pickups[0].CollisionRectangle))
{
// STUDENTS: remove targeted pickup from list (it's always at location 0)
pickups.RemoveAt(0);
// STUDENTS: if there's another pickup to collect, set teddy target
// If not, clear teddy target and stop the teddy from collecting
if (pickups.Count > 0)
{
teddy.SetTarget(new Vector2(pickups[0].CollisionRectangle.Center.X, pickups[0].CollisionRectangle.Center.Y));
}
else
{
teddy.Collecting = false;
teddy.ClearTarget();
}
}
teddy.Update(gameTime, mouse);
base.Update(gameTime);
}
/// <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)
{
// For Mobile devices, this logic will close the Game when the Back button is pressed
// Exit() is obsolete on iOS
#if !__IOS__
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed ||
Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
#endif
// STUDENTS: get current mouse state and update teddy
MouseState mouse = Mouse.GetState();
teddy.Update(gameTime, mouse);
// check for right click started
if (mouse.RightButton == ButtonState.Pressed &&
rightButtonReleased)
{
rightClickStarted = true;
rightButtonReleased = false;
}
else if (mouse.RightButton == ButtonState.Released)
{
rightButtonReleased = true;
// if right click finished, add new pickup to list
if (rightClickStarted)
{
rightClickStarted = false;
// STUDENTS: add a new pickup to the end of the list of pickups
Vector2 pos = new Vector2(mouse.X, mouse.Y);
pickups.Add(new Pickup(pickupSprite, pos));
// STUDENTS: if this is the first pickup in the list, set teddy target
if (pickups.Count == 1)
{
teddy.SetTarget(pos);
}
}
}
// check for collision between collecting teddy and targeted pickup
if (teddy.Collecting &&
teddy.CollisionRectangle.Intersects(pickups[0].CollisionRectangle))
{
// STUDENTS: remove targeted pickup from list (it's always at location 0)
pickups.RemoveAt(0);
// STUDENTS: if there's another pickup to collect, set teddy target
// If not, clear teddy target and stop the teddy from collecting
if (pickups.Count > 0)
{
teddy.SetTarget(new Vector2(
pickups[0].CollisionRectangle.X +
pickups[0].CollisionRectangle.Width / 2f,
pickups[0].CollisionRectangle.Y +
pickups[0].CollisionRectangle.Height / 2f));
}
else
{
teddy.ClearTarget();
teddy.Collecting = false;
}
}
base.Update(gameTime);
}