小鸟飞呀飞-编程知识

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小鸟飞呀飞

玩法：鼠标控制小鸟飞翔的方向，点击鼠标左键上升，不要让小鸟掉落，从管道中经过，快去飞呀飞哦^^。

开始游戏https://www.ormcc.com/play/gameStart/204

html

  <canvas width="288" height="505"></canvas>

css

canvas {margin: 0 auto;
}

js

var game = new Phaser.Game(288, 505, Phaser.CANVAS, 'game');game.States = {};game.States.boot = function() {this.preload = function() {if(typeof(GAME) !== "undefined") {this.load.baseURL = GAME + "/";}if(!game.device.desktop){this.scale.scaleMode = Phaser.ScaleManager.EXACT_FIT;this.scale.forcePortrait = true;this.scale.refresh();}game.load.image('loading', 'assets/preloader.gif');};this.create = function() {game.state.start('preload');};
};game.States.preload = function() {this.preload = function() {var preloadSprite = game.add.sprite(34, game.height/2, 'loading');game.load.setPreloadSprite(preloadSprite);game.load.image('background', 'assets/background.png');game.load.image('ground', 'assets/ground.png');game.load.image('title', 'assets/title.png');game.load.spritesheet('bird', 'assets/bird.png', 34, 24, 3);game.load.image('btn', 'assets/start-button.png');game.load.spritesheet('pipe', 'assets/pipes.png', 54, 320, 2);game.load.bitmapFont('flappy_font', 'assets/fonts/flappyfont/flappyfont.png', 'assets/fonts/flappyfont/flappyfont.fnt');game.load.audio('fly_sound', 'assets/flap.wav');game.load.audio('score_sound', 'assets/score.wav');game.load.audio('hit_pipe_sound', 'assets/pipe-hit.wav');game.load.audio('hit_ground_sound', 'assets/ouch.wav');game.load.image('ready_text', 'assets/get-ready.png');game.load.image('play_tip', 'assets/instructions.png');game.load.image('game_over', 'assets/gameover.png');game.load.image('score_board', 'assets/scoreboard.png');};this.create = function() {game.state.start('menu');};
};game.States.menu = function() {this.create = function() {var bg = game.add.tileSprite(0, 0, game.width, game.height, 'background');var ground = game.add.tileSprite(0, game.height-112, game.width, 112, 'ground');bg.autoScroll(-10 ,0);ground.autoScroll(-100 ,0);var titleGroup = game.add.group();titleGroup.create(0, 0, 'title');var bird = titleGroup.create(190, 10, 'bird');bird.animations.add('fly');bird.animations.play('fly', 12, true);titleGroup.x = 35;titleGroup.y = 100;game.add.tween(titleGroup).to({y: 120}, 1000, null, true, 0, Number.MAX_VALUE, true);var btn = game.add.button(game.width/2, game.height/2, 'btn', function() {game.state.start('play');});btn.anchor.setTo(0.5, 0.5);};
};game.States.play = function() {this.create = function() {this.bg = game.add.tileSprite(0, 0, game.width, game.height, 'background');this.pipeGroup = game.add.group();this.pipeGroup.enableBody = true;this.ground = game.add.tileSprite(0, game.height-112, game.width, 112, 'ground');this.bird = game.add.sprite(50, 150, 'bird');this.bird.animations.add('fly');this.bird.animations.play('fly', 12, true);this.bird.anchor.setTo(0.5, 0.5);game.physics.enable(this.bird, Phaser.Physics.ARCADE);this.bird.body.gravity.y = 0;game.physics.enable(this.ground, Phaser.Physics.ARCADE);this.ground.body.immovable = true;this.soundFly = game.add.sound('fly_sound');this.soundScore = game.add.sound('score_sound');this.soundHitPipe = game.add.sound('hit_pipe_sound');this.soundHitGround = game.add.sound('hit_ground_sound');this.scoreText = game.add.bitmapText(game.world.centerX - 20, 30, 'flappy_font', '0', 36);this.readyText = game.add.image(game.width/2, 40, 'ready_text');this.playTip = game.add.image(game.width/2, 300, 'play_tip');this.readyText.anchor.setTo(0.5, 0);this.playTip.anchor.setTo(0.5, 0);this.hasStarted = false;game.time.events.loop(900, this.generatePipes, this);game.time.events.stop(false);game.input.onDown.addOnce(this.startGame, this);};this.update = function() {if(!this.hasStarted) return;game.physics.arcade.collide(this.bird, this.ground, this.hitGround, null, this);game.physics.arcade.overlap(this.bird, this.pipeGroup, this.hitPipe, null, this);if(!this.bird.inWorld) this.hitCeil();if(this.bird.angle < 90) this.bird.angle += 2.5;this.pipeGroup.forEachExists(this.checkScore, this);};this.generatePipes = function() {var gap = 150;var difficulty = 100; // difficulty越大越简单var position = 50 + Math.floor((505 - 112 - difficulty - gap) * Math.random());var topPipeY = position - 320;var bottomPipeY = position + gap;if(this.resetPipe(topPipeY, bottomPipeY)) return;var topPipe = game.add.sprite(game.width, topPipeY, 'pipe', 0, this.pipeGroup);var bottomPipe = game.add.sprite(game.width, bottomPipeY, 'pipe', 1, this.pipeGroup);this.pipeGroup.setAll('checkWorldBounds', true);this.pipeGroup.setAll('outOfBoundsKill', true);this.pipeGroup.setAll('body.velocity.x', -this.gameSpeed);};this.startGame = function() {this.gameSpeed = 200;this.gameIsOver = false;this.hasHitGround = false;this.hasStarted = true;this.score = 0;this.bg.autoScroll(-(this.gameSpeed/10), 0);this.ground.autoScroll(-this.gameSpeed, 0);this.bird.body.gravity.y = 1150;this.readyText.destroy();this.playTip.destroy();game.input.onDown.add(this.fly, this);game.time.events.start();};this.stopGame = function() {this.bg.stopScroll();this.ground.stopScroll();this.pipeGroup.forEachExists(function(pipe) {pipe.body.velocity.x = 0;}, this);this.bird.animations.stop('fly', 0);game.input.onDown.remove(this.fly, this);game.time.events.stop(true);};this.fly = function() {this.bird.body.velocity.y = -350;game.add.tween(this.bird).to({angle: -30}, 100, null, true, 0, 0, false);this.soundFly.play();};this.hitCeil = function() {this.soundHitPipe.play();this.gameOver();};this.hitPipe = function() {if(this.gameIsOver) return;this.soundHitPipe.play();this.gameOver();};this.hitGround = function() {if(this.hasHitGround) return;this.hasHitGround = true;this.soundHitGround.play();this.gameOver(true);};this.gameOver = function(show_text) {this.gameIsOver = true;this.stopGame();if(show_text) this.showGameOverText();};this.showGameOverText = function() {this.scoreText.destroy();game.bestScore = game.bestScore || 0;if(this.score > game.bestScore) game.bestScore = this.score;this.gameOverGroup = game.add.group();var gameOverText = this.gameOverGroup.create(game.width/2, 0, 'game_over');var scoreboard = this.gameOverGroup.create(game.width/2, 70, 'score_board');var currentScoreText = game.add.bitmapText(game.width/2 + 60, 105, 'flappy_font', this.score+'', 20, this.gameOverGroup);var bestScoreText = game.add.bitmapText(game.width/2 + 60, 153, 'flappy_font', game.bestScore+'', 20, this.gameOverGroup);var replayBtn = game.add.button(game.width/2, 210, 'btn', function() {game.state.start('play');}, this, null, null, null, null, this.gameOverGroup);gameOverText.anchor.setTo(0.5, 0);scoreboard.anchor.setTo(0.5, 0);replayBtn.anchor.setTo(0.5, 0);this.gameOverGroup.y = 30;};this.resetPipe = function(topPipeY, bottomPipeY) {var i = 0;this.pipeGroup.forEachDead(function(pipe) {if(pipe.y <= 0) {pipe.reset(game.width, topPipeY);pipe.hasScored = false;} else {pipe.reset(game.width, bottomPipeY);}pipe.body.velocity.x = -this.gameSpeed;i++;}, this);return i == 2;};this.checkScore = function(pipe) {if(!pipe.hasScored && pipe.y <= 0 && pipe.x <= this.bird.x - 17 - 54) {pipe.hasScored = true;this.scoreText.text = ++this.score;this.soundScore.play();return true; }return false;};
};game.state.add('boot', game.States.boot);
game.state.add('preload', game.States.preload);
game.state.add('menu', game.States.menu);
game.state.add('play', game.States.play);game.state.start('boot');

源码https://www.ormcc.com/

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