mirror of
https://github.com/danbee/invaders
synced 2025-03-04 08:39:08 +00:00
Add aliens and pool bullets.
This commit is contained in:
Dan Barber
parent
7be11cc54c
commit
29b0ce93c4
BIN
images/alien.png
Normal file
BIN
images/alien.png
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After Width: | Height: | Size: 162 B |
BIN
images/bomb.png
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images/bomb.png
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After Width: | Height: | Size: 72 B |
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Before Width: | Height: | Size: 72 B After Width: | Height: | Size: 72 B |
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images/ship.png
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images/ship.png
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Before Width: | Height: | Size: 141 B After Width: | Height: | Size: 98 B |
@ -1,8 +1,10 @@
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var game = new Phaser.Game(1280, 720, Phaser.AUTO, 'game', { preload: preload, create: create, update: update });
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var game = new Phaser.Game(1024, 576, Phaser.AUTO, 'game', { preload: preload, create: create, update: update });
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function preload () {
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game.load.image('ship', '/images/ship.png');
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game.load.image('bullet', '/images/bullet.png');
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game.load.image('alien', '/images/alien.png');
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game.load.image('bomb', '/images/bomb.png');
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}
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var bulletTime = 0;
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@ -10,16 +12,30 @@ var bulletTime = 0;
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function create () {
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game.physics.startSystem(Phaser.Physics.ARCADE);
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player = game.add.sprite(640, 675, 'ship');
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// Initialize player
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player = game.add.sprite(512, 540, 'ship');
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player.anchor.setTo(0.5, 0.5);
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game.physics.enable(player, Phaser.Physics.ARCADE);
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player.body.bounce.x = 0.5;
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player.body.collideWorldBounds = true;
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// Initialize bullets
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bullets = game.add.group();
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bullets.enableBody = true;
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bullets.physicsBodyType = Phaser.Physics.ARCADE;
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bullets.createMultiple(5, 'bullet');
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bullets.setAll('anchor.x', 0.5);
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bullets.setAll('anchor.y', 1);
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bullets.setAll('checkWorldBounds', true);
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bullets.setAll('outOfBoundsKill', true);
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// Initialize aliens
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aliens = game.add.group();
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aliens.enableBody = true;
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aliens.physicsBodyType = Phaser.Physics.ARCADE;
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createAliens();
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// Setup controls
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cursors = game.input.keyboard.createCursorKeys();
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@ -34,40 +50,66 @@ function update () {
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fireBullet();
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}
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game.physics.arcade.overlap(bullets, aliens, bulletHitsAlien, null, this);
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}
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function playerMovement () {
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var maxVelocity = 600;
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var maxVelocity = 500;
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if (cursors.left.isDown && player.body.velocity.x > -maxVelocity) {
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// Move to the left
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player.body.velocity.x -= 25;
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player.body.velocity.x -= 20;
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}
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else if (cursors.right.isDown && player.body.velocity.x < maxVelocity) {
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// Move to the right
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player.body.velocity.x += 25;
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player.body.velocity.x += 20;
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}
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else {
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// Slow down
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if (player.body.velocity.x > 0) {
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player.body.velocity.x -= 5;
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player.body.velocity.x -= 4;
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}
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else if (player.body.velocity.x < 0) {
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player.body.velocity.x += 5;
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player.body.velocity.x += 4;
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}
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}
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}
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function fireBullet () {
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if (game.time.now > bulletTime) {
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var bullet = bullets.create(player.body.x + (player.body.width / 2) - 2, 645, 'bullet');
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bullet.body.velocity.y = -500;
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bullet.body.velocity.x = player.body.velocity.x / 4;
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bullet.checkWorldBounds = true;
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bullet.outOfBoundsKill = true;
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// Destroy the bullet when it is killed.
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bullet.events.onKilled.add(function() { this.destroy(); }, bullet)
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bulletTime = game.time.now + 200;
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bullet = bullets.getFirstExists(false);
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if (bullet) {
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// And fire it
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bullet.reset(player.x, player.y + 8);
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bullet.body.velocity.y = -400;
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bulletTime = game.time.now + 500;
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}
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}
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}
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function bulletHitsAlien (bullet, alien) {
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bullet.kill();
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alien.kill();
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}
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function createAliens () {
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for (var y = 0; y < 4; y++) {
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for (var x = 0; x < 10; x++) {
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var alien = aliens.create(x * 75, y * 50, 'alien');
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alien.anchor.setTo(0.5, 0.5);
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alien.body.moves = false;
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}
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}
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aliens.x = 64;
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aliens.y = 50;
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// All this does is basically start the invaders moving. Notice we're moving the Group they belong to, rather than the invaders directly.
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var tween = game.add.tween(aliens).to( { x: 284 }, 2500, Phaser.Easing.Sinusoidal.InOut, true, 0, 1000, true);
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// When the tween loops it calls descend
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tween.onLoop.add(descend, this);
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}
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function descend () { aliens.y += 10; }
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@ -1,389 +1,12 @@
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/*! normalize.css v2.0.1 | MIT License | git.io/normalize */
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/* ==========================================================================
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HTML5 display definitions
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========================================================================== */
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/*
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* Corrects `block` display not defined in IE 8/9.
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*/
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article,
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aside,
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details,
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figcaption,
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figure,
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footer,
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header,
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hgroup,
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nav,
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section,
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summary {
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display: block;
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}
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/*
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* Corrects `inline-block` display not defined in IE 8/9.
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*/
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audio,
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canvas,
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video {
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display: inline-block;
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}
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/*
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* Prevents modern browsers from displaying `audio` without controls.
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* Remove excess height in iOS 5 devices.
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*/
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audio:not([controls]) {
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display: none;
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height: 0;
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}
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/*
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* Addresses styling for `hidden` attribute not present in IE 8/9.
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*/
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[hidden] {
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display: none;
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}
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/* ==========================================================================
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Base
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========================================================================== */
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/*
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* 1. Sets default font family to sans-serif.
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* 2. Prevents iOS text size adjust after orientation change, without disabling
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* user zoom.
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*/
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html {
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font-family: sans-serif; /* 1 */
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-webkit-text-size-adjust: 100%; /* 2 */
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-ms-text-size-adjust: 100%; /* 2 */
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}
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/*
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* Removes default margin.
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*/
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body {
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margin: 0;
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}
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/* ==========================================================================
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Links
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========================================================================== */
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/*
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* Addresses `outline` inconsistency between Chrome and other browsers.
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*/
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a:focus {
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outline: thin dotted;
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}
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/*
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* Improves readability when focused and also mouse hovered in all browsers.
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*/
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a:active,
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a:hover {
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outline: 0;
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}
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/* ==========================================================================
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Typography
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========================================================================== */
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/*
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* Addresses `h1` font sizes within `section` and `article` in Firefox 4+,
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* Safari 5, and Chrome.
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*/
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h1 {
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font-size: 2em;
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}
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/*
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* Addresses styling not present in IE 8/9, Safari 5, and Chrome.
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*/
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abbr[title] {
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border-bottom: 1px dotted;
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}
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/*
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* Addresses style set to `bolder` in Firefox 4+, Safari 5, and Chrome.
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*/
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b,
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strong {
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font-weight: bold;
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}
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/*
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* Addresses styling not present in Safari 5 and Chrome.
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*/
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dfn {
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font-style: italic;
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}
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/*
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* Addresses styling not present in IE 8/9.
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*/
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mark {
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background: #ff0;
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color: #000;
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}
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/*
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* Corrects font family set oddly in Safari 5 and Chrome.
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*/
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code,
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kbd,
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pre,
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samp {
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font-family: monospace, serif;
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font-size: 1em;
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}
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/*
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* Improves readability of pre-formatted text in all browsers.
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*/
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pre {
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white-space: pre;
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white-space: pre-wrap;
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word-wrap: break-word;
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}
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/*
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* Sets consistent quote types.
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*/
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q {
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quotes: "\201C" "\201D" "\2018" "\2019";
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}
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/*
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* Addresses inconsistent and variable font size in all browsers.
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*/
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small {
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font-size: 80%;
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}
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/*
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* Prevents `sub` and `sup` affecting `line-height` in all browsers.
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*/
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sub,
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sup {
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font-size: 75%;
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line-height: 0;
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position: relative;
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vertical-align: baseline;
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}
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sup {
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top: -0.5em;
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}
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sub {
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bottom: -0.25em;
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}
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/* ==========================================================================
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Embedded content
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========================================================================== */
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/*
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* Removes border when inside `a` element in IE 8/9.
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*/
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img {
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border: 0;
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}
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/*
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* Corrects overflow displayed oddly in IE 9.
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*/
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svg:not(:root) {
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overflow: hidden;
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}
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/* ==========================================================================
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Figures
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========================================================================== */
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/*
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* Addresses margin not present in IE 8/9 and Safari 5.
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*/
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figure {
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margin: 0;
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}
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/* ==========================================================================
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Forms
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========================================================================== */
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/*
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* Define consistent border, margin, and padding.
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*/
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fieldset {
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border: 1px solid #c0c0c0;
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margin: 0 2px;
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padding: 0.35em 0.625em 0.75em;
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}
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/*
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* 1. Corrects color not being inherited in IE 8/9.
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* 2. Remove padding so people aren't caught out if they zero out fieldsets.
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*/
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legend {
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border: 0; /* 1 */
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padding: 0; /* 2 */
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}
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/*
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* 1. Corrects font family not being inherited in all browsers.
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* 2. Corrects font size not being inherited in all browsers.
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* 3. Addresses margins set differently in Firefox 4+, Safari 5, and Chrome
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*/
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button,
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input,
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select,
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textarea {
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font-family: inherit; /* 1 */
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font-size: 100%; /* 2 */
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margin: 0; /* 3 */
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}
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/*
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* Addresses Firefox 4+ setting `line-height` on `input` using `!important` in
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* the UA stylesheet.
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*/
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button,
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input {
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line-height: normal;
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}
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/*
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* 1. Avoid the WebKit bug in Android 4.0.* where (2) destroys native `audio`
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* and `video` controls.
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* 2. Corrects inability to style clickable `input` types in iOS.
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* 3. Improves usability and consistency of cursor style between image-type
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* `input` and others.
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*/
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button,
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html input[type="button"], /* 1 */
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input[type="reset"],
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input[type="submit"] {
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-webkit-appearance: button; /* 2 */
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cursor: pointer; /* 3 */
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}
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/*
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* Re-set default cursor for disabled elements.
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*/
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button[disabled],
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input[disabled] {
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cursor: default;
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}
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/*
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* 1. Addresses box sizing set to `content-box` in IE 8/9.
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* 2. Removes excess padding in IE 8/9.
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*/
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input[type="checkbox"],
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input[type="radio"] {
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box-sizing: border-box; /* 1 */
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padding: 0; /* 2 */
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}
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/*
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* 1. Addresses `appearance` set to `searchfield` in Safari 5 and Chrome.
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* 2. Addresses `box-sizing` set to `border-box` in Safari 5 and Chrome
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* (include `-moz` to future-proof).
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*/
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input[type="search"] {
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-webkit-appearance: textfield; /* 1 */
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-moz-box-sizing: content-box;
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-webkit-box-sizing: content-box; /* 2 */
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box-sizing: content-box;
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}
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/*
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* Removes inner padding and search cancel button in Safari 5 and Chrome
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* on OS X.
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*/
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input[type="search"]::-webkit-search-cancel-button,
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input[type="search"]::-webkit-search-decoration {
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-webkit-appearance: none;
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}
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/*
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* Removes inner padding and border in Firefox 4+.
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*/
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button::-moz-focus-inner,
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input::-moz-focus-inner {
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border: 0;
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padding: 0;
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}
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/*
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* 1. Removes default vertical scrollbar in IE 8/9.
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* 2. Improves readability and alignment in all browsers.
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*/
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textarea {
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overflow: auto; /* 1 */
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vertical-align: top; /* 2 */
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}
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/* ==========================================================================
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Tables
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========================================================================== */
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/*
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* Remove most spacing between table cells.
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*/
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table {
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border-collapse: collapse;
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border-spacing: 0;
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}
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body {
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background: #333;
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}
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#game {
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position: absolute;
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width: 1280px;
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height: 720px;
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width: 1024px;
|
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height: 576px;
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top: calc(50% - 360px);
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left: calc(50% - 640px);
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top: calc(50% - 288px);
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left: calc(50% - 512px);
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}
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