mirror of
https://github.com/photonstorm/phaser
synced 2024-11-23 21:24:09 +00:00
70 lines
1.9 KiB
PHP
70 lines
1.9 KiB
PHP
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<?php
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$title = "Recycling inside a group";
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require('../head.php');
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?>
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<script type="text/javascript">
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var game = new Phaser.Game(800, 600, Phaser.CANVAS, '', { preload: preload, create: create,render:render});
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var enemies;
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function preload() {
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game.load.image('baddie', 'assets/sprites/space-baddie.png');
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game.load.spritesheet('button', 'assets/buttons/baddie-buttons.png', 224, 70);
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}
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function create() {
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// Create a enemies group to store the baddies
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enemies = game.add.group();
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// Create some enemies.
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for (var i = 0; i < 8; i++) {
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// Since the getFirstExists() which we'll use for recycling
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// cannot allocate new objects, create them manually here.
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enemies.create(360 + Math.random() * 200, 120 + Math.random() * 200,
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'baddie');
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}
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// Create buttons to create and kill baddies.
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game.add.button(16, 50, 'button', createBaddie,this, 0, 0, 0);
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game.add.button(16, 130, 'button', killBaddie,this, 1, 1, 1);
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}
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function killBaddie() {
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var baddie = enemies.getFirstAlive();
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if (baddie) baddie.kill();
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}
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function createBaddie() {
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// Recycle using getFirstExists(false)
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// Notice that this method will not create new objects if there's no one
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// available, and it won't change size of this group.
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var enemy = enemies.getFirstExists(false);
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if (enemy) {
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enemy.revive();
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}
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}
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function render() {
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game.debug.renderText('Recycle baddies from a group using getFirstExists.', 16, 24);
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game.debug.renderText('Notice that you cannot add more than 8 baddies since we only create 8 instance.', 16, 36);
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game.debug.renderText('Living baddies: ' + (enemies.countLiving()), 340, 420);
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}
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</script>
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<?php
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require('../foot.php');
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?>
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