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Merge pull request #159 from alvinsight/dev

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Tidied up space invaders' code base
This commit is contained in:
Richard Davey
2013-11-01 11:13:55 -07:00
parent 160a321a36 d0889fcc17
commit eb95ce231b
1 changed files with 88 additions and 80 deletions
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examples/games/invaders.js
+88 -80
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@@ -1,5 +1,5 @@
var game = new Phaser.Game(800, 600, Phaser.CANVAS, 'phaser-example', { preload: preload, create: create, update: update });
var game = new Phaser.Game(800, 600, Phaser.AUTO, 'phaser-example', { preload: preload, create: create, update: update });
function preload() {
@@ -21,12 +21,12 @@ var cursors;
var fireButton;
var explosions;
var starfield;
var score=0;
var scoreString='';
var score = 0;
var scoreString = '';
var scoreText;
var lives ;
var lives;
var enemyBullet;
var firingTimer=0;
var firingTimer = 0;
var stateText;
function create() {
@@ -54,34 +54,33 @@ function create() {
player.anchor.setTo(0.5, 0.5);
// The baddies!
aliens = game.add.group();
createAliens();
// The score :
scoreString='Score : ';
scoreText=game.add.text(10,10,scoreString+score,{fontSize : '34px',fill : '#fff'});
scoreString = 'Score : ';
scoreText = game.add.text(10,10,scoreString+score,{fontSize : '34px',fill : '#fff'});
// Lives
lives=game.add.group();
lives = game.add.group();
game.add.text(game.world.width-100,10,'Lives : ',{fontSize : '34px',fill : '#fff'});
//state text
stateText=game.add.text(game.world.centerX,game.world.centerY,'',{fontSize : '84px',fill : '#fff'});
stateText = game.add.text(game.world.centerX,game.world.centerY,'',{fontSize : '84px',fill : '#fff'});
stateText.anchor.setTo(0.5,0.5);
stateText.visible=false;
for (var i = 0; i < 3; i++) {
for (var i = 0; i < 3; i++)
{
var ship=lives.create(game.world.width-100+(30*i),60,'ship');
var ship = lives.create(game.world.width-100+(30*i),60,'ship');
ship.anchor.setTo(0.5,0.5);
ship.angle=90;
ship.alpha=0.4;
};
ship.angle = 90;
ship.alpha = 0.4;
}
// An explosion pool
explosions = game.add.group();
@@ -95,7 +94,8 @@ function create() {
}
function createAliens () {
for (var y = 0; y < 4; y++)
for (var y = 0; y < 4; y++)
{
for (var x = 0; x < 10; x++)
{
@@ -153,7 +153,8 @@ function update() {
fireBullet();
}
if(game.time.now>firingTimer){
if(game.time.now > firingTimer)
{
enemyFires();
}
@@ -164,13 +165,47 @@ function update() {
}
function collisionHandler (bullet, alien) {
// When a bullet hits an alien we kill them both
bullet.kill();
alien.kill();
// Increase the score
score+=20;
scoreText.content=scoreString+score;
// And create an explosion :)
var explosion = explosions.getFirstDead();
explosion.reset(alien.body.x, alien.body.y);
explosion.play('kaboom', 30, false, true);
if (aliens.countLiving() == 0)
{
score += 1000;
scoreText.content = scoreString + score;
enemyBullets.callAll('kill',this);
stateText.content = " You Won, \n Click to restart";
stateText.visible = true;
//the "click to restart" handler
game.input.onTap.addOnce(restart,this);
}
}
function enemyHitsPlayer (player,bullet) {
bullet.kill();
live=lives.getFirstAlive();
live = lives.getFirstAlive();
if(live){
if(live)
{
live.kill();
}
@@ -180,50 +215,38 @@ function enemyHitsPlayer (player,bullet) {
explosion.reset(player.body.x, player.body.y);
explosion.play('kaboom', 30, false, true);
if(lives.countLiving()<1){
// When the player dies
if(lives.countLiving() < 1)
{
player.kill();
enemyBullets.callAll('kill');
stateText.content=" GAME OVER \n Click to restart";
stateText.visible=true;
player.kill();
enemyBullets.callAll('kill');
game.input.onTap.addOnce(restart,this);
stateText.content=" GAME OVER \n Click to restart";
stateText.visible = true;
//the "click to restart" handler
game.input.onTap.addOnce(restart,this);
}
}
function restart () {
lives.callAll('revive');
// And brings the aliens back from the dead :)
aliens.removeAll();
createAliens();
player.revive();
stateText.visible=false;
}
function enemyFires () {
// Grab the first bullet we can from the pool
enemyBullet = enemyBullets.getFirstExists(false);
// Grab the first bullet we can from the pool
enemyBullet = enemyBullets.getFirstExists(false);
if (enemyBullet){
var shooter=aliens.getRandom();
// And fire it
enemyBullet.reset(shooter.body.x, shooter.body.y);
// enemyBullet.body.velocity.y = 400;
game.physics.moveToObject(enemyBullet,player,120);
firingTimer = game.time.now + 2000;
}
if (enemyBullet)
{
var shooter=aliens.getRandom();
// And fire it
enemyBullet.reset(shooter.body.x, shooter.body.y);
// enemyBullet.body.velocity.y = 400;
game.physics.moveToObject(enemyBullet,player,120);
firingTimer = game.time.now + 2000;
}
}
function fireBullet () {
@@ -252,34 +275,19 @@ function resetBullet (bullet) {
}
function collisionHandler (bullet, alien) {
function restart () {
// When a bullet hits an alien we kill them both
bullet.kill();
alien.kill();
// A new level starts
//resets the life count
lives.callAll('revive');
// And brings the aliens back from the dead :)
aliens.removeAll();
createAliens();
// Increase the score
score+=20;
scoreText.content=scoreString+score;
// And create an explosion :)
var explosion = explosions.getFirstDead();
explosion.reset(alien.body.x, alien.body.y);
explosion.play('kaboom', 30, false, true);
if (aliens.countLiving() == 0){
// New level starts
score += 1000;
scoreText.content = scoreString + score;
enemyBullets.callAll('kill',this);
stateText.content=" You Won, \n Click to restart";
stateText.visible=true;
game.input.onTap.addOnce(restart,this);
}
//revives the player
player.revive();
//hides the text
stateText.visible = false;
}