/// <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)
{
// Allows the game to exit
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
{
this.Exit();
}
// 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 positionMouse = new Vector2(mouse.X, mouse.Y);
pickups.Add(new Pickup(pickupSprite, positionMouse));
// STUDENTS: if this is the first pickup in the list, set teddy target
if (pickups.Count == 1)
{
teddy.SetTarget(positionMouse);
}
}
}
// STUDENTS: Delete the line saying if (true) and uncomment the three
// lines below that AFTER you've created a teddy object in the
// LoadContent method
// check for collision between collecting teddy and targeted pickup
//if (true)
if (teddy.Collecting &&
pickups.Count > 0 &&
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, stop the teddy from collecting
if (pickups.Count > 0)
{
Point newTargetPosition = pickups[0].CollisionRectangle.Center;
teddy.SetTarget(new Vector2(newTargetPosition.X, newTargetPosition.Y));
}
else
{
teddy.SetTarget(Vector2.Zero);
}
}
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)
{
// Allows the game to exit
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
{
this.Exit();
}
// 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
pickups.Add(new Pickup(pickupSprite, new Vector2(mouse.X, mouse.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.X, pickups[0].CollisionRectangle.Y));
}
}
}
// STUDENTS: Delete the line saying if (true) and uncomment the three
// lines below that AFTER you've created a teddy object in the
// LoadContent method
// check for collision between collecting teddy and targeted pickup
//if (true)
if (teddy.Collecting &&
pickups.Count > 0 &&
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, stop the teddy from collecting
if (pickups.Count > 0)
{
teddy.SetTarget(new Vector2(pickups[0].CollisionRectangle.X, pickups[0].CollisionRectangle.Y));
}
else
{
teddy.Collecting = false;
}
teddy.Update(gameTime, mouse);
}
else if (pickups.Count == 0)
{
//also stop collecting if no pickups remain and the other conditions are not met
//see https://class.coursera.org/gameprogramming-002/forum/thread?thread_id=1314
teddy.Collecting = false;
}
base.Update(gameTime);
}