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https://github.com/photonstorm/phaser
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428e331a11
Groups now have an 'alive' property, which can be useful when iterating through child groups with functions like forEachAlive.
41 lines
1.1 KiB
JavaScript
41 lines
1.1 KiB
JavaScript
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var game = new Phaser.Game(800, 600, Phaser.AUTO, 'phaser-example', { preload: preload, create: create, update: update });
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function preload() {
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game.load.image('ball', 'assets/sprites/pangball.png');
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game.load.image('arrow', 'assets/sprites/asteroids_ship.png');
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}
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var ballsGroup;
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var shipsGroup;
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function create() {
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ballsGroup = game.add.group();
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shipsGroup = game.add.group();
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for (var i = 0; i < 20; i++)
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{
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// Create some randomly placed sprites in both Groups
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ballsGroup.create(game.rnd.integerInRange(0, 128), game.world.randomY, 'ball');
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shipsGroup.create(game.rnd.integerInRange(0, 128), game.world.randomY, 'arrow');
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}
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// Now make the ships group a child of the balls group - so anything that happens to the balls group
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// will happen to the ships group too
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ballsGroup.add(shipsGroup);
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}
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function update() {
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ballsGroup.x += 0.1;
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// Because shipsGroup is a child of ballsGroup it has already been moved 0.1px by the line above
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// So the following line of code will make it appear to move twice as fast as ballsGroup
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shipsGroup.x += 0.1;
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}
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