mirror of
https://github.com/photonstorm/phaser
synced 2024-11-23 21:24:09 +00:00
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
|
|
var game = new Phaser.Game(800, 600, Phaser.AUTO, 'phaser-example', { preload: preload, create: create, update: update });
|
|
|
|
function preload() {
|
|
|
|
game.load.image('ball', 'assets/sprites/pangball.png');
|
|
game.load.image('arrow', 'assets/sprites/asteroids_ship.png');
|
|
|
|
}
|
|
|
|
var ballsGroup;
|
|
var shipsGroup;
|
|
|
|
function create() {
|
|
|
|
ballsGroup = game.add.group();
|
|
shipsGroup = game.add.group();
|
|
|
|
for (var i = 0; i < 20; i++)
|
|
{
|
|
// Create some randomly placed sprites in both Groups
|
|
ballsGroup.create(game.rnd.integerInRange(0, 128), game.world.randomY, 'ball');
|
|
shipsGroup.create(game.rnd.integerInRange(0, 128), game.world.randomY, 'arrow');
|
|
}
|
|
|
|
// Now make the ships group a child of the balls group - so anything that happens to the balls group
|
|
// will happen to the ships group too
|
|
ballsGroup.add(shipsGroup);
|
|
|
|
}
|
|
|
|
function update() {
|
|
|
|
ballsGroup.x += 0.1;
|
|
|
|
// Because shipsGroup is a child of ballsGroup it has already been moved 0.1px by the line above
|
|
// So the following line of code will make it appear to move twice as fast as ballsGroup
|
|
shipsGroup.x += 0.1;
|
|
|
|
}
|
|
|