Game Development Reference
In-Depth Information
public bool
Completed
{
get
{
SpriteGameObject exitObj =
this
.Find("exit")
as
SpriteGameObject;
Player player =
this
.Find("player")
as
Player;
if
(!exitObj.CollidesWith(player))
return false
;
GameObjectList waterdrops =
this
.Find("waterdrops")
as
GameObjectList;
foreach
(GameObject d
in
waterdrops.Objects)
if
(d.Visible)
return false
;
return true
;
}
}
Inside the
Update
method of the
Level
class, we then check if the level was com-
pleted. If so, we call the
LevelFinished
method in the
Player
class, which plays the
'celebration' animation:
if
(
this
.Completed && timer.Running)
{
player.LevelFinished();
timer.Running =
false
;
}
Inside the
PlayingState
class, we then deal with switching to other states depending
on the state of the level. These lines of code in the
Update
method are responsible
for that:
public virtual void
Update(GameTime gameTime)
{
CurrentLevel.Update(gameTime);
if
(CurrentLevel.GameOver)
GameEnvironment.GameStateManager.SwitchTo("gameOverState");
else if
(CurrentLevel.Completed)
{
CurrentLevel.Solved =
true
;
GameEnvironment.GameStateManager.SwitchTo("levelFinishedState");
}
}
The code for dealing with transitions between levels is fairly straightforward and
is almost a copy of the code used in the
Penguin Pairs
game. And that means that
we have now completely shown you how to build a platform game with commonly
occurring elements such as collecting items, avoiding enemies, game physics, going
from one level to another, and so on. So does it end here? Well, that depends on
you. In order to make
Tick Tick
a game that is commercially viable, a lot of work still
