HTML and CSS Reference
In-Depth Information
Level and Game End
We need to check for game and level end so we can transition to either a new game or to the
next level.
Level end
We will check for level end on each frame tick. The function to do so will look like this:
function
function
checkForEndOfLevel
(){
iif
(
rocks
.
length
==
0
) {
switchGameState
(
GAME_STATE_NEW_LEVEL
);
}
}
When the
rocks
array length is
0
, we switch the state to
GAME_STATE_NEW_LEVEL
.
Game end
We do not need to check for the end of the game on each frame tick. We need to check only
when the player loses a ship. We do this inside the
gameStatePlayerDie()
function:
function
function
gameStatePlayerDie
(){
iif
(
particles
.
length
>
0
||
playerMissiles
.
length
>
0
) {
fillBackground
();
renderScoreBoard
();
updateRocks
();
updateSaucers
();
updateParticles
();
updateSaucerMissiles
();
updatePlayerMissiles
();
renderRocks
();
renderSaucers
();
renderParticles
();
renderSaucerMissiles
();
renderPlayerMissiles
();
frameRateCounter
.
countFrames
();
}
else
else
{
playerShips
--
;
iif
(
playerShips
<
1
) {
switchGameState
(
GAME_STATE_GAME_OVER
);
}
else
else
{
resetPlayer
();
switchGameState
(
GAME_STATE_PLAYER_START
);
}
