Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- // Function Fix for "requestAnimationFrame" 12.06.17
- (function() {
- var lastTime = 0;
- var vendors = ['ms', 'moz', 'webkit', 'o'];
- for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
- window.requestAnimationFrame = window[vendors[x]+'RequestAnimationFrame'];
- window.cancelAnimationFrame = window[vendors[x]+'CancelAnimationFrame']
- || window[vendors[x]+'CancelRequestAnimationFrame'];
- }
- if (!window.requestAnimationFrame)
- window.requestAnimationFrame = function(callback, element) {
- var currTime = new Date().getTime();
- var timeToCall = Math.max(0, 16 - (currTime - lastTime));
- var id = window.setTimeout(function() { callback(currTime + timeToCall); },
- timeToCall);
- lastTime = currTime + timeToCall;
- return id;
- };
- if (!window.cancelAnimationFrame)
- window.cancelAnimationFrame = function(id) {
- clearTimeout(id);
- };
- }());
- (function() {
- 'use strict';
- var currentScore = 0;
- // Fix for AudioContext 12.06.17
- var AudioContext = window.AudioContext // Default
- || window.webkitAudioContext // Safari and old versions of Chrome
- || false;
- function Runner(outerContainerId, opt_config) {
- if (Runner.instance_) {
- return Runner.instance_
- }
- Runner.instance_ = this;
- this.outerContainerEl = document.querySelector(outerContainerId);
- this.containerEl = null;
- this.snackbarEl = null;
- this.config = opt_config || Runner.config;
- this.dimensions = Runner.defaultDimensions;
- this.canvas = null;
- this.canvasCtx = null;
- this.tRex = null;
- this.distanceMeter = null;
- this.distanceRan = 0;
- this.highestScore = 0;
- this.time = 0;
- this.runningTime = 0;
- this.msPerFrame = 1000 / FPS;
- this.currentSpeed = this.config.SPEED;
- this.obstacles = [];
- this.started = false;
- this.activated = false;
- this.crashed = false;
- this.paused = false;
- this.resizeTimerId_ = null;
- this.playCount = 0;
- this.audioBuffer = null;
- this.soundFx = {};
- this.audioContext = null;
- this.images = {};
- this.imagesLoaded = 0;
- this.loadImages();
- this.gamepadPreviousKeyDown = false
- }
- window['Runner'] = Runner;
- var DEFAULT_WIDTH = 600;
- var FPS = 60;
- var IS_HIDPI = window.devicePixelRatio > 1;
- var IS_IOS = window.navigator.userAgent.indexOf('CriOS') > -1 || window.navigator.userAgent == 'UIWebViewForStaticFileContent';
- var IS_MOBILE = window.navigator.userAgent.indexOf('Mobi') > -1 || IS_IOS;
- var IS_TOUCH_ENABLED = 'ontouchstart' in window;
- Runner.config = {
- ACCELERATION: 0.001,
- BG_CLOUD_SPEED: 0.2,
- BOTTOM_PAD: 10,
- CLEAR_TIME: 3000,
- CLOUD_FREQUENCY: 0.5,
- GAMEOVER_CLEAR_TIME: 750,
- GAP_COEFFICIENT: 0.6,
- GRAVITY: 0.6,
- INITIAL_JUMP_VELOCITY: 12,
- MAX_CLOUDS: 6,
- MAX_OBSTACLE_LENGTH: 3,
- MAX_OBSTACLE_DUPLICATION: 2,
- MAX_SPEED: 13,
- MIN_JUMP_HEIGHT: 35,
- MOBILE_SPEED_COEFFICIENT: 1.2,
- RESOURCE_TEMPLATE_ID: 'audio-resources',
- SPEED: 6,
- SPEED_DROP_COEFFICIENT: 3
- };
- Runner.defaultDimensions = {
- WIDTH: DEFAULT_WIDTH,
- HEIGHT: 150
- };
- Runner.classes = {
- CANVAS: 'runner-canvas',
- CONTAINER: 'runner-container',
- CRASHED: 'crashed',
- ICON: 'icon-offline',
- SNACKBAR: 'snackbar',
- SNACKBAR_SHOW: 'snackbar-show',
- TOUCH_CONTROLLER: 'controller'
- };
- Runner.spriteDefinition = {
- LDPI: {
- CACTUS_LARGE: {
- x: 332,
- y: 2
- },
- CACTUS_SMALL: {
- x: 228,
- y: 2
- },
- CLOUD: {
- x: 86,
- y: 2
- },
- HORIZON: {
- x: 2,
- y: 54
- },
- PTERODACTYL: {
- x: 134,
- y: 2
- },
- RESTART: {
- x: 2,
- y: 2
- },
- TEXT_SPRITE: {
- x: 484,
- y: 2
- },
- TREX: {
- x: 677,
- y: 2
- }
- },
- HDPI: {
- CACTUS_LARGE: {
- x: 652,
- y: 2
- },
- CACTUS_SMALL: {
- x: 446,
- y: 2
- },
- CLOUD: {
- x: 166,
- y: 2
- },
- HORIZON: {
- x: 2,
- y: 104
- },
- PTERODACTYL: {
- x: 260,
- y: 2
- },
- RESTART: {
- x: 2,
- y: 2
- },
- TEXT_SPRITE: {
- x: 954,
- y: 2
- },
- TREX: {
- x: 1338,
- y: 2
- }
- }
- };
- Runner.sounds = {
- BUTTON_PRESS: 'offline-sound-press',
- HIT: 'offline-sound-hit',
- SCORE: 'offline-sound-reached'
- };
- Runner.keycodes = {
- JUMP: {
- '38': 1,
- '32': 1
- },
- DUCK: {
- '40': 1
- },
- RESTART: {
- '13': 1
- }
- };
- Runner.events = {
- ANIM_END: 'webkitAnimationEnd',
- CLICK: 'click',
- KEYDOWN: 'keydown',
- KEYUP: 'keyup',
- MOUSEDOWN: 'mousedown',
- MOUSEUP: 'mouseup',
- RESIZE: 'resize',
- TOUCHEND: 'touchend',
- TOUCHSTART: 'touchstart',
- VISIBILITY: 'visibilitychange',
- BLUR: 'blur',
- FOCUS: 'focus',
- LOAD: 'load',
- GAMEPADCONNECTED: 'gamepadconnected'
- };
- Runner.prototype = {
- isDisabled: function() {
- return loadTimeData && loadTimeData.valueExists('disabledEasterEgg')
- },
- setupDisabledRunner: function() {
- this.containerEl = document.createElement('div');
- this.containerEl.className = Runner.classes.SNACKBAR;
- this.containerEl.textContent = loadTimeData.getValue('disabledEasterEgg');
- this.outerContainerEl.appendChild(this.containerEl);
- document.addEventListener(Runner.events.KEYDOWN, function(e) {
- if (Runner.keycodes.JUMP[e.keyCode]) {
- this.containerEl.classList.add(Runner.classes.SNACKBAR_SHOW);
- document.querySelector('.icon').classList.add('icon-disabled')
- }
- }.bind(this))
- },
- updateConfigSetting: function(setting, value) {
- if (setting in this.config && value != undefined) {
- this.config[setting] = value;
- switch (setting) {
- case 'GRAVITY':
- case 'MIN_JUMP_HEIGHT':
- case 'SPEED_DROP_COEFFICIENT':
- this.tRex.config[setting] = value;
- break;
- case 'INITIAL_JUMP_VELOCITY':
- this.tRex.setJumpVelocity(value);
- break;
- case 'SPEED':
- this.setSpeed(value);
- break
- }
- }
- },
- loadImages: function() {
- if (IS_HIDPI) {
- Runner.imageSprite = document.getElementById('offline-resources-2x');
- this.spriteDef = Runner.spriteDefinition.HDPI
- } else {
- Runner.imageSprite = document.getElementById('offline-resources-1x');
- this.spriteDef = Runner.spriteDefinition.LDPI
- }
- this.init()
- },
- loadSounds: function() {
- if (!IS_IOS && AudioContext) { // Fix 12.06.17
- this.audioContext = new AudioContext();
- var resourceTemplate = document.getElementById(this.config.RESOURCE_TEMPLATE_ID).content;
- for (var sound in Runner.sounds) {
- var soundSrc = resourceTemplate.getElementById(Runner.sounds[sound]).src;
- soundSrc = soundSrc.substr(soundSrc.indexOf(',') + 1);
- var buffer = decodeBase64ToArrayBuffer(soundSrc);
- this.audioContext.decodeAudioData(buffer, function(index, audioData) {
- this.soundFx[index] = audioData
- }.bind(this, sound))
- }
- }
- },
- setSpeed: function(opt_speed) {
- var speed = opt_speed || this.currentSpeed;
- if (this.dimensions.WIDTH < DEFAULT_WIDTH) {
- var mobileSpeed = speed * this.dimensions.WIDTH / DEFAULT_WIDTH * this.config.MOBILE_SPEED_COEFFICIENT;
- this.currentSpeed = mobileSpeed > speed ? speed : mobileSpeed
- } else if (opt_speed) {
- this.currentSpeed = opt_speed
- }
- },
- init: function() {
- this.adjustDimensions();
- this.setSpeed();
- this.containerEl = document.createElement('div');
- this.containerEl.className = Runner.classes.CONTAINER;
- this.canvas = createCanvas(this.containerEl, this.dimensions.WIDTH, this.dimensions.HEIGHT, Runner.classes.PLAYER);
- this.canvasCtx = this.canvas.getContext('2d');
- this.canvasCtx.fillStyle = '#f7f7f7';
- this.canvasCtx.fill();
- Runner.updateCanvasScaling(this.canvas);
- this.horizon = new Horizon(this.canvas, this.spriteDef, this.dimensions, this.config.GAP_COEFFICIENT);
- this.distanceMeter = new DistanceMeter(this.canvas, this.spriteDef.TEXT_SPRITE, this.dimensions.WIDTH);
- this.tRex = new Trex(this.canvas, this.spriteDef.TREX);
- this.outerContainerEl.appendChild(this.containerEl);
- if (IS_MOBILE) {
- this.createTouchController()
- }
- this.startListening();
- this.update();
- window.addEventListener(Runner.events.RESIZE, this.debounceResize.bind(this))
- },
- createTouchController: function() {
- this.touchController = document.createElement('div');
- this.touchController.className = Runner.classes.TOUCH_CONTROLLER
- },
- debounceResize: function() {
- if (!this.resizeTimerId_) {
- this.resizeTimerId_ = setInterval(this.adjustDimensions.bind(this), 250)
- }
- },
- adjustDimensions: function() {
- clearInterval(this.resizeTimerId_);
- this.resizeTimerId_ = null;
- var boxStyles = window.getComputedStyle(this.outerContainerEl);
- var padding = Number(boxStyles.paddingLeft.substr(0, boxStyles.paddingLeft.length - 2));
- this.dimensions.WIDTH = this.outerContainerEl.offsetWidth - padding * 2;
- if (this.canvas) {
- this.canvas.width = this.dimensions.WIDTH;
- this.canvas.height = this.dimensions.HEIGHT;
- Runner.updateCanvasScaling(this.canvas);
- this.distanceMeter.calcXPos(this.dimensions.WIDTH);
- this.clearCanvas();
- this.horizon.update(0, 0, true);
- this.tRex.update(0);
- if (this.activated || this.crashed || this.paused) {
- this.containerEl.style.width = this.dimensions.WIDTH + 'px';
- this.containerEl.style.height = this.dimensions.HEIGHT + 'px';
- this.distanceMeter.update(0, Math.ceil(this.distanceRan));
- this.stop()
- } else {
- this.tRex.draw(0, 0)
- }
- if (this.crashed && this.gameOverPanel) {
- this.gameOverPanel.updateDimensions(this.dimensions.WIDTH);
- this.gameOverPanel.draw()
- }
- }
- },
- playIntro: function() {
- if (!this.started && !this.crashed) {
- this.playingIntro = true;
- this.tRex.playingIntro = true;
- var keyframes = '@-webkit-keyframes intro { ' + 'from { width:' + Trex.config.WIDTH + 'px }' + 'to { width: ' + this.dimensions.WIDTH + 'px }' + '}';
- document.styleSheets[0].insertRule(keyframes, 0);
- this.containerEl.addEventListener(Runner.events.ANIM_END, this.startGame.bind(this));
- this.containerEl.style.webkitAnimation = 'intro .4s ease-out 1 both';
- this.containerEl.style.width = this.dimensions.WIDTH + 'px';
- if (this.touchController) {
- this.outerContainerEl.appendChild(this.touchController)
- }
- this.activated = true;
- this.started = true
- } else if (this.crashed) {
- this.restart()
- }
- },
- startGame: function() {
- this.runningTime = 0;
- this.playingIntro = false;
- this.tRex.playingIntro = false;
- this.containerEl.style.webkitAnimation = '';
- this.playCount++;
- document.addEventListener(Runner.events.VISIBILITY, this.onVisibilityChange.bind(this));
- window.addEventListener(Runner.events.BLUR, this.onVisibilityChange.bind(this));
- window.addEventListener(Runner.events.FOCUS, this.onVisibilityChange.bind(this))
- },
- clearCanvas: function() {
- this.canvasCtx.clearRect(0, 0, this.dimensions.WIDTH, this.dimensions.HEIGHT)
- },
- update: function() {
- this.drawPending = false;
- var now = getTimeStamp();
- var deltaTime = now - (this.time || now);
- this.time = now;
- if (this.activated) {
- this.clearCanvas();
- if (this.tRex.jumping) {
- this.tRex.updateJump(deltaTime)
- }
- this.runningTime += deltaTime;
- var hasObstacles = this.runningTime > this.config.CLEAR_TIME;
- if (this.tRex.jumpCount == 1 && !this.playingIntro) {
- this.playIntro()
- }
- if (this.playingIntro) {
- this.horizon.update(0, this.currentSpeed, hasObstacles)
- } else {
- deltaTime = !this.started ? 0 : deltaTime;
- this.horizon.update(deltaTime, this.currentSpeed, hasObstacles)
- }
- var collision = hasObstacles && checkForCollision(this.horizon.obstacles[0], this.tRex);
- if (!collision) {
- this.distanceRan += this.currentSpeed * deltaTime / this.msPerFrame;
- if (this.currentSpeed < this.config.MAX_SPEED) {
- this.currentSpeed += this.config.ACCELERATION
- }
- } else {
- this.gameOver()
- }
- var playAcheivementSound = this.distanceMeter.update(deltaTime, Math.ceil(this.distanceRan));
- if (playAcheivementSound) {
- this.playSound(this.soundFx.SCORE)
- }
- }
- if (!this.crashed) {
- this.tRex.update(deltaTime);
- this.raq()
- }
- },
- handleEvent: function(e) {
- return (function(evtType, events) {
- switch (evtType) {
- case events.KEYDOWN:
- case events.TOUCHSTART:
- case events.MOUSEDOWN:
- case events.GAMEPADCONNECTED:
- this.onKeyDown(e);
- break;
- case events.KEYUP:
- case events.TOUCHEND:
- case events.MOUSEUP:
- this.onKeyUp(e);
- break
- }
- }.bind(this))(e.type, Runner.events)
- },
- startListening: function() {
- document.addEventListener(Runner.events.KEYDOWN, this);
- document.addEventListener(Runner.events.KEYUP, this);
- if (IS_MOBILE) {
- this.touchController.addEventListener(Runner.events.TOUCHSTART, this);
- this.touchController.addEventListener(Runner.events.TOUCHEND, this);
- this.containerEl.addEventListener(Runner.events.TOUCHSTART, this)
- } else {
- document.addEventListener(Runner.events.MOUSEDOWN, this);
- document.addEventListener(Runner.events.MOUSEUP, this)
- }
- window.addEventListener(Runner.events.GAMEPADCONNECTED, this);
- window.setInterval(this.pollGamepads.bind(this), 10)
- },
- pollGamepads: function() {
- var gamepads = navigator.getGamepads ? navigator.getGamepads() : (navigator.webkitGetGamepads ? navigator.webkitGetGamepads() : []); // Fix for navigator.getGamepads() 12.06.17
- var keydown = false;
- for (var i = 0; i < gamepads.length; i++) {
- if (gamepads[i] != undefined) {
- if (gamepads[i].buttons.filter(function(e) {
- return e.pressed == true
- }).length > 0) {
- keydown = true
- }
- }
- }
- if (keydown != this.gamepadPreviousKeyDown) {
- this.gamepadPreviousKeyDown = keydown;
- var event = new Event(keydown ? 'keydown' : 'keyup');
- event.keyCode = 32;
- event.which = event.keyCode;
- event.altKey = false;
- event.ctrlKey = true;
- event.shiftKey = false;
- event.metaKey = false;
- document.dispatchEvent(event)
- }
- },
- stopListening: function() {
- document.removeEventListener(Runner.events.KEYDOWN, this);
- document.removeEventListener(Runner.events.KEYUP, this);
- if (IS_MOBILE) {
- this.touchController.removeEventListener(Runner.events.TOUCHSTART, this);
- this.touchController.removeEventListener(Runner.events.TOUCHEND, this);
- this.containerEl.removeEventListener(Runner.events.TOUCHSTART, this)
- } else {
- document.removeEventListener(Runner.events.MOUSEDOWN, this);
- document.removeEventListener(Runner.events.MOUSEUP, this)
- }
- },
- onKeyDown: function(e) {
- if (IS_MOBILE) {
- e.preventDefault()
- }
- if (!this.crashed && (Runner.keycodes.JUMP[e.keyCode] || e.type == Runner.events.TOUCHSTART || e.type == Runner.events.GAMEPADCONNECTED)) {
- if (!this.activated) {
- this.loadSounds();
- this.activated = true
- }
- if (!this.tRex.jumping && !this.tRex.ducking) {
- this.playSound(this.soundFx.BUTTON_PRESS);
- this.tRex.startJump(this.currentSpeed)
- }
- }
- if (this.crashed && e.type == Runner.events.TOUCHSTART && e.currentTarget == this.containerEl) {
- this.restart()
- }
- if (this.activated && !this.crashed && Runner.keycodes.DUCK[e.keyCode]) {
- e.preventDefault();
- if (this.tRex.jumping) {
- this.tRex.setSpeedDrop()
- } else if (!this.tRex.jumping && !this.tRex.ducking) {
- this.tRex.setDuck(true)
- }
- }
- },
- onKeyUp: function(e) {
- var keyCode = String(e.keyCode);
- var isjumpKey = Runner.keycodes.JUMP[keyCode] || e.type == Runner.events.TOUCHEND || e.type == Runner.events.MOUSEDOWN;
- if (this.isRunning() && isjumpKey) {
- this.tRex.endJump()
- } else if (Runner.keycodes.DUCK[keyCode]) {
- this.tRex.speedDrop = false;
- this.tRex.setDuck(false)
- } else if (this.crashed) {
- var deltaTime = getTimeStamp() - this.time;
- if (Runner.keycodes.RESTART[keyCode] || this.isLeftClickOnCanvas(e) || (deltaTime >= this.config.GAMEOVER_CLEAR_TIME && Runner.keycodes.JUMP[keyCode])) {
- this.restart()
- }
- } else if (this.paused && isjumpKey) {
- this.tRex.reset();
- this.play()
- }
- },
- isLeftClickOnCanvas: function(e) {
- return e.button != null && e.button < 2 && e.type == Runner.events.MOUSEUP && e.target == this.canvas
- },
- raq: function() {
- if (!this.drawPending) {
- this.drawPending = true;
- this.raqId = requestAnimationFrame(this.update.bind(this))
- }
- },
- isRunning: function() {
- return !!this.raqId
- },
- gameOver: function() {
- this.playSound(this.soundFx.HIT);
- vibrate(200);
- this.stop();
- this.crashed = true;
- this.distanceMeter.acheivement = false;
- this.tRex.update(100, Trex.status.CRASHED);
- if (!this.gameOverPanel) {
- this.gameOverPanel = new GameOverPanel(this.canvas, this.spriteDef.TEXT_SPRITE, this.spriteDef.RESTART, this.dimensions)
- } else {
- this.gameOverPanel.draw()
- }
- if (this.distanceRan > this.highestScore) {
- this.highestScore = Math.ceil(this.distanceRan);
- this.distanceMeter.setHighScore(this.highestScore);
- currentScore = Math.round(this.highestScore * 0.025);
- var score_d = 0;
- if (document.getElementById("score-5") !== null) {
- score_d = document.getElementById("score-5").innerHTML
- }
- if (currentScore > score_d) {
- var xhr = new XMLHttpRequest();
- xhr.open('GET', '/inc/check.php?score=' + currentScore, false);
- xhr.send();
- if (xhr.status != 200) {} else {
- if (xhr.responseText != '') {
- if (user_name == '') {
- user_name = prompt(xhr.responseText, 'Anonym');
- if (user_name == 'null' || user_name == '') {
- user_name = 'Anonym'
- }
- } else {
- alert(xhr.responseText)
- }
- xhr.open('GET', '/inc/set.php?name=' + user_name + '&score=' + currentScore, false);
- xhr.send();
- location.reload()
- }
- }
- }
- }
- this.time = getTimeStamp()
- },
- stop: function() {
- this.activated = false;
- this.paused = true;
- cancelAnimationFrame(this.raqId);
- this.raqId = 0
- },
- play: function() {
- if (!this.crashed) {
- this.activated = true;
- this.paused = false;
- this.tRex.update(0, Trex.status.RUNNING);
- this.time = getTimeStamp();
- this.update()
- }
- },
- restart: function() {
- if (!this.raqId) {
- this.playCount++;
- this.runningTime = 0;
- this.activated = true;
- this.crashed = false;
- this.distanceRan = 0;
- this.setSpeed(this.config.SPEED);
- this.time = getTimeStamp();
- this.containerEl.classList.remove(Runner.classes.CRASHED);
- this.clearCanvas();
- this.distanceMeter.reset(this.highestScore);
- this.horizon.reset();
- this.tRex.reset();
- this.playSound(this.soundFx.BUTTON_PRESS);
- this.update()
- }
- },
- onVisibilityChange: function(e) {
- if (document.hidden || document.webkitHidden || e.type == 'blur') {
- this.stop()
- } else if (!this.crashed) {
- this.tRex.reset();
- this.play()
- }
- },
- playSound: function(soundBuffer) {
- if (soundBuffer) {
- var sourceNode = this.audioContext.createBufferSource();
- sourceNode.buffer = soundBuffer;
- sourceNode.connect(this.audioContext.destination);
- sourceNode.start(0)
- }
- }
- };
- Runner.updateCanvasScaling = function(canvas, opt_width, opt_height) {
- var context = canvas.getContext('2d');
- var devicePixelRatio = Math.floor(window.devicePixelRatio) || 1;
- var backingStoreRatio = Math.floor(context.webkitBackingStorePixelRatio) || 1;
- var ratio = devicePixelRatio / backingStoreRatio;
- if (devicePixelRatio !== backingStoreRatio) {
- var oldWidth = opt_width || canvas.width;
- var oldHeight = opt_height || canvas.height;
- canvas.width = oldWidth * ratio;
- canvas.height = oldHeight * ratio;
- canvas.style.width = oldWidth + 'px';
- canvas.style.height = oldHeight + 'px';
- context.scale(ratio, ratio);
- return true
- } else if (devicePixelRatio == 1) {
- canvas.style.width = canvas.width + 'px';
- canvas.style.height = canvas.height + 'px'
- }
- return false
- };
- function getRandomNum(min, max) {
- return Math.floor(Math.random() * (max - min + 1)) + min
- }
- function vibrate(duration) {
- if (IS_MOBILE && window.navigator.vibrate) {
- window.navigator.vibrate(duration)
- }
- }
- function createCanvas(container, width, height, opt_classname) {
- var canvas = document.createElement('canvas');
- canvas.className = opt_classname ? Runner.classes.CANVAS + ' ' + opt_classname : Runner.classes.CANVAS;
- canvas.width = width;
- canvas.height = height;
- container.appendChild(canvas);
- return canvas
- }
- function decodeBase64ToArrayBuffer(base64String) {
- var len = (base64String.length / 4) * 3;
- var str = atob(base64String);
- var arrayBuffer = new ArrayBuffer(len);
- var bytes = new Uint8Array(arrayBuffer);
- for (var i = 0; i < len; i++) {
- bytes[i] = str.charCodeAt(i)
- }
- return bytes.buffer
- }
- function getTimeStamp() {
- //return IS_IOS ? new Date().getTime() : performance.now()
- return new Date().getTime(); // Safari 5.17 Fix 12.06.17
- }
- function GameOverPanel(canvas, textImgPos, restartImgPos, dimensions) {
- this.canvas = canvas;
- this.canvasCtx = canvas.getContext('2d');
- this.canvasDimensions = dimensions;
- this.textImgPos = textImgPos;
- this.restartImgPos = restartImgPos;
- this.draw()
- };
- GameOverPanel.dimensions = {
- TEXT_X: 0,
- TEXT_Y: 13,
- TEXT_WIDTH: 191,
- TEXT_HEIGHT: 11,
- RESTART_WIDTH: 36,
- RESTART_HEIGHT: 32
- };
- GameOverPanel.prototype = {
- updateDimensions: function(width, opt_height) {
- this.canvasDimensions.WIDTH = width;
- if (opt_height) {
- this.canvasDimensions.HEIGHT = opt_height
- }
- },
- draw: function() {
- var dimensions = GameOverPanel.dimensions;
- var centerX = this.canvasDimensions.WIDTH / 2;
- var textSourceX = dimensions.TEXT_X;
- var textSourceY = dimensions.TEXT_Y;
- var textSourceWidth = dimensions.TEXT_WIDTH;
- var textSourceHeight = dimensions.TEXT_HEIGHT;
- var textTargetX = Math.round(centerX - (dimensions.TEXT_WIDTH / 2));
- var textTargetY = Math.round((this.canvasDimensions.HEIGHT - 25) / 3);
- var textTargetWidth = dimensions.TEXT_WIDTH;
- var textTargetHeight = dimensions.TEXT_HEIGHT;
- var restartSourceWidth = dimensions.RESTART_WIDTH;
- var restartSourceHeight = dimensions.RESTART_HEIGHT;
- var restartTargetX = centerX - (dimensions.RESTART_WIDTH / 2);
- var restartTargetY = this.canvasDimensions.HEIGHT / 2;
- if (IS_HIDPI) {
- textSourceY *= 2;
- textSourceX *= 2;
- textSourceWidth *= 2;
- textSourceHeight *= 2;
- restartSourceWidth *= 2;
- restartSourceHeight *= 2
- }
- textSourceX += this.textImgPos.x;
- textSourceY += this.textImgPos.y;
- this.canvasCtx.drawImage(Runner.imageSprite, textSourceX, textSourceY, textSourceWidth, textSourceHeight, textTargetX, textTargetY, textTargetWidth, textTargetHeight);
- this.canvasCtx.drawImage(Runner.imageSprite, this.restartImgPos.x, this.restartImgPos.y, restartSourceWidth, restartSourceHeight, restartTargetX, restartTargetY, dimensions.RESTART_WIDTH, dimensions.RESTART_HEIGHT)
- }
- };
- function checkForCollision(obstacle, tRex, opt_canvasCtx) {
- var obstacleBoxXPos = Runner.defaultDimensions.WIDTH + obstacle.xPos;
- var tRexBox = new CollisionBox(tRex.xPos + 1, tRex.yPos + 1, tRex.config.WIDTH - 2, tRex.config.HEIGHT - 2);
- var obstacleBox = new CollisionBox(obstacle.xPos + 1, obstacle.yPos + 1, obstacle.typeConfig.width * obstacle.size - 2, obstacle.typeConfig.height - 2);
- if (opt_canvasCtx) {
- drawCollisionBoxes(opt_canvasCtx, tRexBox, obstacleBox)
- }
- if (boxCompare(tRexBox, obstacleBox)) {
- var collisionBoxes = obstacle.collisionBoxes;
- var tRexCollisionBoxes = tRex.ducking ? Trex.collisionBoxes.DUCKING : Trex.collisionBoxes.RUNNING;
- for (var t = 0; t < tRexCollisionBoxes.length; t++) {
- for (var i = 0; i < collisionBoxes.length; i++) {
- var adjTrexBox = createAdjustedCollisionBox(tRexCollisionBoxes[t], tRexBox);
- var adjObstacleBox = createAdjustedCollisionBox(collisionBoxes[i], obstacleBox);
- var crashed = boxCompare(adjTrexBox, adjObstacleBox);
- if (opt_canvasCtx) {
- drawCollisionBoxes(opt_canvasCtx, adjTrexBox, adjObstacleBox)
- }
- if (crashed) {
- return [adjTrexBox, adjObstacleBox]
- }
- }
- }
- }
- return false
- };
- function createAdjustedCollisionBox(box, adjustment) {
- return new CollisionBox(box.x + adjustment.x, box.y + adjustment.y, box.width, box.height)
- };
- function drawCollisionBoxes(canvasCtx, tRexBox, obstacleBox) {
- canvasCtx.save();
- canvasCtx.strokeStyle = '#f00';
- canvasCtx.strokeRect(tRexBox.x, tRexBox.y, tRexBox.width, tRexBox.height);
- canvasCtx.strokeStyle = '#0f0';
- canvasCtx.strokeRect(obstacleBox.x, obstacleBox.y, obstacleBox.width, obstacleBox.height);
- canvasCtx.restore()
- };
- function boxCompare(tRexBox, obstacleBox) {
- var crashed = false;
- var tRexBoxX = tRexBox.x;
- var tRexBoxY = tRexBox.y;
- var obstacleBoxX = obstacleBox.x;
- var obstacleBoxY = obstacleBox.y;
- if (tRexBox.x < obstacleBoxX + obstacleBox.width && tRexBox.x + tRexBox.width > obstacleBoxX && tRexBox.y < obstacleBox.y + obstacleBox.height && tRexBox.height + tRexBox.y > obstacleBox.y) {
- crashed = true
- }
- return crashed
- };
- function CollisionBox(x, y, w, h) {
- this.x = x;
- this.y = y;
- this.width = w;
- this.height = h
- };
- function Obstacle(canvasCtx, type, spriteImgPos, dimensions, gapCoefficient, speed) {
- this.canvasCtx = canvasCtx;
- this.spritePos = spriteImgPos;
- this.typeConfig = type;
- this.gapCoefficient = gapCoefficient;
- this.size = getRandomNum(1, Obstacle.MAX_OBSTACLE_LENGTH);
- this.dimensions = dimensions;
- this.remove = false;
- this.xPos = 0;
- this.yPos = 0;
- this.width = 0;
- this.collisionBoxes = [];
- this.gap = 0;
- this.speedOffset = 0;
- this.currentFrame = 0;
- this.timer = 0;
- this.init(speed)
- };
- Obstacle.MAX_GAP_COEFFICIENT = 1.5;
- Obstacle.MAX_OBSTACLE_LENGTH = 3, Obstacle.prototype = {
- init: function(speed) {
- this.cloneCollisionBoxes();
- if (this.size > 1 && this.typeConfig.multipleSpeed > speed) {
- this.size = 1
- }
- this.width = this.typeConfig.width * this.size;
- this.xPos = this.dimensions.WIDTH - this.width;
- if (Array.isArray(this.typeConfig.yPos)) {
- var yPosConfig = IS_MOBILE ? this.typeConfig.yPosMobile : this.typeConfig.yPos;
- this.yPos = yPosConfig[getRandomNum(0, yPosConfig.length - 1)]
- } else {
- this.yPos = this.typeConfig.yPos
- }
- this.draw();
- if (this.size > 1) {
- this.collisionBoxes[1].width = this.width - this.collisionBoxes[0].width - this.collisionBoxes[2].width;
- this.collisionBoxes[2].x = this.width - this.collisionBoxes[2].width
- }
- if (this.typeConfig.speedOffset) {
- this.speedOffset = Math.random() > 0.5 ? this.typeConfig.speedOffset : -this.typeConfig.speedOffset
- }
- this.gap = this.getGap(this.gapCoefficient, speed)
- },
- draw: function() {
- var sourceWidth = this.typeConfig.width;
- var sourceHeight = this.typeConfig.height;
- if (IS_HIDPI) {
- sourceWidth = sourceWidth * 2;
- sourceHeight = sourceHeight * 2
- }
- var sourceX = (sourceWidth * this.size) * (0.5 * (this.size - 1)) + this.spritePos.x;
- if (this.currentFrame > 0) {
- sourceX += sourceWidth * this.currentFrame
- }
- this.canvasCtx.drawImage(Runner.imageSprite, sourceX, this.spritePos.y, sourceWidth * this.size, sourceHeight, this.xPos, this.yPos, this.typeConfig.width * this.size, this.typeConfig.height)
- },
- update: function(deltaTime, speed) {
- if (!this.remove) {
- if (this.typeConfig.speedOffset) {
- speed += this.speedOffset
- }
- this.xPos -= Math.floor((speed * FPS / 1000) * deltaTime);
- if (this.typeConfig.numFrames) {
- this.timer += deltaTime;
- if (this.timer >= this.typeConfig.frameRate) {
- this.currentFrame = this.currentFrame == this.typeConfig.numFrames - 1 ? 0 : this.currentFrame + 1;
- this.timer = 0
- }
- }
- this.draw();
- if (!this.isVisible()) {
- this.remove = true
- }
- }
- },
- getGap: function(gapCoefficient, speed) {
- var minGap = Math.round(this.width * speed + this.typeConfig.minGap * gapCoefficient);
- var maxGap = Math.round(minGap * Obstacle.MAX_GAP_COEFFICIENT);
- return getRandomNum(minGap, maxGap)
- },
- isVisible: function() {
- return this.xPos + this.width > 0
- },
- cloneCollisionBoxes: function() {
- var collisionBoxes = this.typeConfig.collisionBoxes;
- for (var i = collisionBoxes.length - 1; i >= 0; i--) {
- this.collisionBoxes[i] = new CollisionBox(collisionBoxes[i].x, collisionBoxes[i].y, collisionBoxes[i].width, collisionBoxes[i].height)
- }
- }
- };
- Obstacle.types = [{
- type: 'CACTUS_SMALL',
- width: 17,
- height: 35,
- yPos: 105,
- multipleSpeed: 4,
- minGap: 120,
- minSpeed: 0,
- collisionBoxes: [new CollisionBox(0, 7, 5, 27), new CollisionBox(4, 0, 6, 34), new CollisionBox(10, 4, 7, 14)]
- }, {
- type: 'CACTUS_LARGE',
- width: 25,
- height: 50,
- yPos: 90,
- multipleSpeed: 7,
- minGap: 120,
- minSpeed: 0,
- collisionBoxes: [new CollisionBox(0, 12, 7, 38), new CollisionBox(8, 0, 7, 49), new CollisionBox(13, 10, 10, 38)]
- }, {
- type: 'PTERODACTYL',
- width: 46,
- height: 40,
- yPos: [100, 75, 50],
- yPosMobile: [100, 50],
- multipleSpeed: 999,
- minSpeed: 8.5,
- minGap: 150,
- collisionBoxes: [new CollisionBox(15, 15, 16, 5), new CollisionBox(18, 21, 24, 6), new CollisionBox(2, 14, 4, 3), new CollisionBox(6, 10, 4, 7), new CollisionBox(10, 8, 6, 9)],
- numFrames: 2,
- frameRate: 1000 / 6,
- speedOffset: .8
- }];
- function Trex(canvas, spritePos) {
- this.canvas = canvas;
- this.canvasCtx = canvas.getContext('2d');
- this.spritePos = spritePos;
- this.xPos = 0;
- this.yPos = 0;
- this.groundYPos = 0;
- this.currentFrame = 0;
- this.currentAnimFrames = [];
- this.blinkDelay = 0;
- this.animStartTime = 0;
- this.timer = 0;
- this.msPerFrame = 1000 / FPS;
- this.config = Trex.config;
- this.status = Trex.status.WAITING;
- this.jumping = false;
- this.ducking = false;
- this.jumpVelocity = 0;
- this.reachedMinHeight = false;
- this.speedDrop = false;
- this.jumpCount = 0;
- this.jumpspotX = 0;
- this.init()
- };
- Trex.config = {
- DROP_VELOCITY: -5,
- GRAVITY: 0.6,
- HEIGHT: 47,
- HEIGHT_DUCK: 25,
- INIITAL_JUMP_VELOCITY: -10,
- INTRO_DURATION: 1500,
- MAX_JUMP_HEIGHT: 30,
- MIN_JUMP_HEIGHT: 30,
- SPEED_DROP_COEFFICIENT: 3,
- SPRITE_WIDTH: 262,
- START_X_POS: 50,
- WIDTH: 44,
- WIDTH_DUCK: 59
- };
- Trex.collisionBoxes = {
- DUCKING: [new CollisionBox(1, 18, 55, 25)],
- RUNNING: [new CollisionBox(22, 0, 17, 16), new CollisionBox(1, 18, 30, 9), new CollisionBox(10, 35, 14, 8), new CollisionBox(1, 24, 29, 5), new CollisionBox(5, 30, 21, 4), new CollisionBox(9, 34, 15, 4)]
- };
- Trex.status = {
- CRASHED: 'CRASHED',
- DUCKING: 'DUCKING',
- JUMPING: 'JUMPING',
- RUNNING: 'RUNNING',
- WAITING: 'WAITING'
- };
- Trex.BLINK_TIMING = 7000;
- Trex.animFrames = {
- WAITING: {
- frames: [44, 0],
- msPerFrame: 1000 / 3
- },
- RUNNING: {
- frames: [88, 132],
- msPerFrame: 1000 / 12
- },
- CRASHED: {
- frames: [220],
- msPerFrame: 1000 / 60
- },
- JUMPING: {
- frames: [0],
- msPerFrame: 1000 / 60
- },
- DUCKING: {
- frames: [262, 321],
- msPerFrame: 1000 / 8
- }
- };
- Trex.prototype = {
- init: function() {
- this.blinkDelay = this.setBlinkDelay();
- this.groundYPos = Runner.defaultDimensions.HEIGHT - this.config.HEIGHT - Runner.config.BOTTOM_PAD;
- this.yPos = this.groundYPos;
- this.minJumpHeight = this.groundYPos - this.config.MIN_JUMP_HEIGHT;
- this.draw(0, 0);
- this.update(0, Trex.status.WAITING)
- },
- setJumpVelocity: function(setting) {
- this.config.INIITAL_JUMP_VELOCITY = -setting;
- this.config.DROP_VELOCITY = -setting / 2
- },
- update: function(deltaTime, opt_status) {
- this.timer += deltaTime;
- if (opt_status) {
- this.status = opt_status;
- this.currentFrame = 0;
- this.msPerFrame = Trex.animFrames[opt_status].msPerFrame;
- this.currentAnimFrames = Trex.animFrames[opt_status].frames;
- if (opt_status == Trex.status.WAITING) {
- this.animStartTime = getTimeStamp();
- this.setBlinkDelay()
- }
- }
- if (this.playingIntro && this.xPos < this.config.START_X_POS) {
- this.xPos += Math.round((this.config.START_X_POS / this.config.INTRO_DURATION) * deltaTime)
- }
- if (this.status == Trex.status.WAITING) {
- this.blink(getTimeStamp())
- } else {
- this.draw(this.currentAnimFrames[this.currentFrame], 0)
- }
- if (this.timer >= this.msPerFrame) {
- this.currentFrame = this.currentFrame == this.currentAnimFrames.length - 1 ? 0 : this.currentFrame + 1;
- this.timer = 0
- }
- if (this.speedDrop && this.yPos == this.groundYPos) {
- this.speedDrop = false;
- this.setDuck(true)
- }
- },
- draw: function(x, y) {
- var sourceX = x;
- var sourceY = y;
- var sourceWidth = this.ducking && this.status != Trex.status.CRASHED ? this.config.WIDTH_DUCK : this.config.WIDTH;
- var sourceHeight = this.config.HEIGHT;
- if (IS_HIDPI) {
- sourceX *= 2;
- sourceY *= 2;
- sourceWidth *= 2;
- sourceHeight *= 2
- }
- sourceX += this.spritePos.x;
- sourceY += this.spritePos.y;
- if (this.ducking && this.status != Trex.status.CRASHED) {
- this.canvasCtx.drawImage(Runner.imageSprite, sourceX, sourceY, sourceWidth, sourceHeight, this.xPos, this.yPos, this.config.WIDTH_DUCK, this.config.HEIGHT)
- } else {
- if (this.ducking && this.status == Trex.status.CRASHED) {
- this.xPos++
- }
- this.canvasCtx.drawImage(Runner.imageSprite, sourceX, sourceY, sourceWidth, sourceHeight, this.xPos, this.yPos, this.config.WIDTH, this.config.HEIGHT)
- }
- },
- setBlinkDelay: function() {
- this.blinkDelay = Math.ceil(Math.random() * Trex.BLINK_TIMING)
- },
- blink: function(time) {
- var deltaTime = time - this.animStartTime;
- if (deltaTime >= this.blinkDelay) {
- this.draw(this.currentAnimFrames[this.currentFrame], 0);
- if (this.currentFrame == 1) {
- this.setBlinkDelay();
- this.animStartTime = time
- }
- }
- },
- startJump: function(speed) {
- if (!this.jumping) {
- this.update(0, Trex.status.JUMPING);
- this.jumpVelocity = this.config.INIITAL_JUMP_VELOCITY - (speed / 10);
- this.jumping = true;
- this.reachedMinHeight = false;
- this.speedDrop = false
- }
- },
- endJump: function() {
- if (this.reachedMinHeight && this.jumpVelocity < this.config.DROP_VELOCITY) {
- this.jumpVelocity = this.config.DROP_VELOCITY
- }
- },
- updateJump: function(deltaTime, speed) {
- var msPerFrame = Trex.animFrames[this.status].msPerFrame;
- var framesElapsed = deltaTime / msPerFrame;
- if (this.speedDrop) {
- this.yPos += Math.round(this.jumpVelocity * this.config.SPEED_DROP_COEFFICIENT * framesElapsed)
- } else {
- this.yPos += Math.round(this.jumpVelocity * framesElapsed)
- }
- this.jumpVelocity += this.config.GRAVITY * framesElapsed;
- if (this.yPos < this.minJumpHeight || this.speedDrop) {
- this.reachedMinHeight = true
- }
- if (this.yPos < this.config.MAX_JUMP_HEIGHT || this.speedDrop) {
- this.endJump()
- }
- if (this.yPos > this.groundYPos) {
- this.reset();
- this.jumpCount++
- }
- this.update(deltaTime)
- },
- setSpeedDrop: function() {
- this.speedDrop = true;
- this.jumpVelocity = 1
- },
- setDuck: function(isDucking) {
- if (isDucking && this.status != Trex.status.DUCKING) {
- this.update(0, Trex.status.DUCKING);
- this.ducking = true
- } else if (this.status == Trex.status.DUCKING) {
- this.update(0, Trex.status.RUNNING);
- this.ducking = false
- }
- },
- reset: function() {
- this.yPos = this.groundYPos;
- this.jumpVelocity = 0;
- this.jumping = false;
- this.ducking = false;
- this.update(0, Trex.status.RUNNING);
- this.midair = false;
- this.speedDrop = false;
- this.jumpCount = 0
- }
- };
- function DistanceMeter(canvas, spritePos, canvasWidth) {
- this.canvas = canvas;
- this.canvasCtx = canvas.getContext('2d');
- this.image = Runner.imageSprite;
- this.spritePos = spritePos;
- this.x = 0;
- this.y = 5;
- this.currentDistance = 0;
- this.maxScore = 0;
- this.highScore = 0;
- this.container = null;
- this.digits = [];
- this.acheivement = false;
- this.defaultString = '';
- this.flashTimer = 0;
- this.flashIterations = 0;
- this.config = DistanceMeter.config;
- this.maxScoreUnits = this.config.MAX_DISTANCE_UNITS;
- this.init(canvasWidth)
- };
- DistanceMeter.dimensions = {
- WIDTH: 10,
- HEIGHT: 13,
- DEST_WIDTH: 11
- };
- DistanceMeter.yPos = [0, 13, 27, 40, 53, 67, 80, 93, 107, 120];
- DistanceMeter.config = {
- MAX_DISTANCE_UNITS: 5,
- ACHIEVEMENT_DISTANCE: 100,
- COEFFICIENT: 0.025,
- FLASH_DURATION: 1000 / 4,
- FLASH_ITERATIONS: 3
- };
- DistanceMeter.prototype = {
- init: function(width) {
- var maxDistanceStr = '';
- this.calcXPos(width);
- this.maxScore = this.maxScoreUnits;
- for (var i = 0; i < this.maxScoreUnits; i++) {
- this.draw(i, 0);
- this.defaultString += '0';
- maxDistanceStr += '9'
- }
- this.maxScore = parseInt(maxDistanceStr)
- },
- calcXPos: function(canvasWidth) {
- this.x = canvasWidth - (DistanceMeter.dimensions.DEST_WIDTH * (this.maxScoreUnits + 1))
- },
- draw: function(digitPos, value, opt_highScore) {
- var sourceWidth = DistanceMeter.dimensions.WIDTH;
- var sourceHeight = DistanceMeter.dimensions.HEIGHT;
- var sourceX = DistanceMeter.dimensions.WIDTH * value;
- var sourceY = 0;
- var targetX = digitPos * DistanceMeter.dimensions.DEST_WIDTH;
- var targetY = this.y;
- var targetWidth = DistanceMeter.dimensions.WIDTH;
- var targetHeight = DistanceMeter.dimensions.HEIGHT;
- if (IS_HIDPI) {
- sourceWidth *= 2;
- sourceHeight *= 2;
- sourceX *= 2
- }
- sourceX += this.spritePos.x;
- sourceY += this.spritePos.y;
- this.canvasCtx.save();
- if (opt_highScore) {
- var highScoreX = this.x - (this.maxScoreUnits * 2) * DistanceMeter.dimensions.WIDTH;
- this.canvasCtx.translate(highScoreX, this.y)
- } else {
- this.canvasCtx.translate(this.x, this.y)
- }
- this.canvasCtx.drawImage(this.image, sourceX, sourceY, sourceWidth, sourceHeight, targetX, targetY, targetWidth, targetHeight);
- this.canvasCtx.restore()
- },
- getActualDistance: function(distance) {
- return distance ? Math.round(distance * this.config.COEFFICIENT) : 0
- },
- update: function(deltaTime, distance) {
- var paint = true;
- var playSound = false;
- if (!this.acheivement) {
- distance = this.getActualDistance(distance);
- if (distance > this.maxScore && this.maxScoreUnits == this.config.MAX_DISTANCE_UNITS) {
- this.maxScoreUnits++;
- this.maxScore = parseInt(this.maxScore + '9')
- } else {
- this.distance = 0
- }
- if (distance > 0) {
- if (distance % this.config.ACHIEVEMENT_DISTANCE == 0) {
- this.acheivement = true;
- this.flashTimer = 0;
- playSound = true
- }
- var distanceStr = (this.defaultString + distance).substr(-this.maxScoreUnits);
- this.digits = distanceStr.split('')
- } else {
- this.digits = this.defaultString.split('')
- }
- } else {
- if (this.flashIterations <= this.config.FLASH_ITERATIONS) {
- this.flashTimer += deltaTime;
- if (this.flashTimer < this.config.FLASH_DURATION) {
- paint = false
- } else if (this.flashTimer > this.config.FLASH_DURATION * 2) {
- this.flashTimer = 0;
- this.flashIterations++
- }
- } else {
- this.acheivement = false;
- this.flashIterations = 0;
- this.flashTimer = 0
- }
- }
- if (paint) {
- for (var i = this.digits.length - 1; i >= 0; i--) {
- this.draw(i, parseInt(this.digits[i]))
- }
- }
- this.drawHighScore();
- return playSound
- },
- drawHighScore: function() {
- this.canvasCtx.save();
- this.canvasCtx.globalAlpha = .8;
- for (var i = this.highScore.length - 1; i >= 0; i--) {
- this.draw(i, parseInt(this.highScore[i], 10), true)
- }
- this.canvasCtx.restore()
- },
- setHighScore: function(distance) {
- distance = this.getActualDistance(distance);
- var highScoreStr = (this.defaultString + distance).substr(-this.maxScoreUnits);
- this.highScore = ['10', '11', ''].concat(highScoreStr.split(''))
- },
- reset: function() {
- this.update(0);
- this.acheivement = false
- }
- };
- function Cloud(canvas, spritePos, containerWidth) {
- this.canvas = canvas;
- this.canvasCtx = this.canvas.getContext('2d');
- this.spritePos = spritePos;
- this.containerWidth = containerWidth;
- this.xPos = containerWidth;
- this.yPos = 0;
- this.remove = false;
- this.cloudGap = getRandomNum(Cloud.config.MIN_CLOUD_GAP, Cloud.config.MAX_CLOUD_GAP);
- this.init()
- };
- Cloud.config = {
- HEIGHT: 14,
- MAX_CLOUD_GAP: 400,
- MAX_SKY_LEVEL: 30,
- MIN_CLOUD_GAP: 100,
- MIN_SKY_LEVEL: 71,
- WIDTH: 46
- };
- Cloud.prototype = {
- init: function() {
- this.yPos = getRandomNum(Cloud.config.MAX_SKY_LEVEL, Cloud.config.MIN_SKY_LEVEL);
- this.draw()
- },
- draw: function() {
- this.canvasCtx.save();
- var sourceWidth = Cloud.config.WIDTH;
- var sourceHeight = Cloud.config.HEIGHT;
- if (IS_HIDPI) {
- sourceWidth = sourceWidth * 2;
- sourceHeight = sourceHeight * 2
- }
- this.canvasCtx.drawImage(Runner.imageSprite, this.spritePos.x, this.spritePos.y, sourceWidth, sourceHeight, this.xPos, this.yPos, Cloud.config.WIDTH, Cloud.config.HEIGHT);
- this.canvasCtx.restore()
- },
- update: function(speed) {
- if (!this.remove) {
- this.xPos -= Math.ceil(speed);
- this.draw();
- if (!this.isVisible()) {
- this.remove = true
- }
- }
- },
- isVisible: function() {
- return this.xPos + Cloud.config.WIDTH > 0
- }
- };
- function HorizonLine(canvas, spritePos) {
- this.spritePos = spritePos;
- this.canvas = canvas;
- this.canvasCtx = canvas.getContext('2d');
- this.sourceDimensions = {};
- this.dimensions = HorizonLine.dimensions;
- this.sourceXPos = [this.spritePos.x, this.spritePos.x + this.dimensions.WIDTH];
- this.xPos = [];
- this.yPos = 0;
- this.bumpThreshold = 0.5;
- this.setSourceDimensions();
- this.draw()
- };
- HorizonLine.dimensions = {
- WIDTH: 600,
- HEIGHT: 12,
- YPOS: 127
- };
- HorizonLine.prototype = {
- setSourceDimensions: function() {
- for (var dimension in HorizonLine.dimensions) {
- if (IS_HIDPI) {
- if (dimension != 'YPOS') {
- this.sourceDimensions[dimension] = HorizonLine.dimensions[dimension] * 2
- }
- } else {
- this.sourceDimensions[dimension] = HorizonLine.dimensions[dimension]
- }
- this.dimensions[dimension] = HorizonLine.dimensions[dimension]
- }
- this.xPos = [0, HorizonLine.dimensions.WIDTH];
- this.yPos = HorizonLine.dimensions.YPOS
- },
- getRandomType: function() {
- return Math.random() > this.bumpThreshold ? this.dimensions.WIDTH : 0
- },
- draw: function() {
- this.canvasCtx.drawImage(Runner.imageSprite, this.sourceXPos[0], this.spritePos.y, this.sourceDimensions.WIDTH, this.sourceDimensions.HEIGHT, this.xPos[0], this.yPos, this.dimensions.WIDTH, this.dimensions.HEIGHT);
- this.canvasCtx.drawImage(Runner.imageSprite, this.sourceXPos[1], this.spritePos.y, this.sourceDimensions.WIDTH, this.sourceDimensions.HEIGHT, this.xPos[1], this.yPos, this.dimensions.WIDTH, this.dimensions.HEIGHT)
- },
- updateXPos: function(pos, increment) {
- var line1 = pos;
- var line2 = pos == 0 ? 1 : 0;
- this.xPos[line1] -= increment;
- this.xPos[line2] = this.xPos[line1] + this.dimensions.WIDTH;
- if (this.xPos[line1] <= -this.dimensions.WIDTH) {
- this.xPos[line1] += this.dimensions.WIDTH * 2;
- this.xPos[line2] = this.xPos[line1] - this.dimensions.WIDTH;
- this.sourceXPos[line1] = this.getRandomType() + this.spritePos.x
- }
- },
- update: function(deltaTime, speed) {
- var increment = Math.floor(speed * (FPS / 1000) * deltaTime);
- if (this.xPos[0] <= 0) {
- this.updateXPos(0, increment)
- } else {
- this.updateXPos(1, increment)
- }
- this.draw()
- },
- reset: function() {
- this.xPos[0] = 0;
- this.xPos[1] = HorizonLine.dimensions.WIDTH
- }
- };
- function Horizon(canvas, spritePos, dimensions, gapCoefficient) {
- this.canvas = canvas;
- this.canvasCtx = this.canvas.getContext('2d');
- this.config = Horizon.config;
- this.dimensions = dimensions;
- this.gapCoefficient = gapCoefficient;
- this.obstacles = [];
- this.obstacleHistory = [];
- this.horizonOffsets = [0, 0];
- this.cloudFrequency = this.config.CLOUD_FREQUENCY;
- this.spritePos = spritePos;
- this.clouds = [];
- this.cloudSpeed = this.config.BG_CLOUD_SPEED;
- this.horizonLine = null;
- this.init()
- };
- Horizon.config = {
- BG_CLOUD_SPEED: 0.2,
- BUMPY_THRESHOLD: .3,
- CLOUD_FREQUENCY: .5,
- HORIZON_HEIGHT: 16,
- MAX_CLOUDS: 6
- };
- Horizon.prototype = {
- init: function() {
- this.addCloud();
- this.horizonLine = new HorizonLine(this.canvas, this.spritePos.HORIZON)
- },
- update: function(deltaTime, currentSpeed, updateObstacles) {
- this.runningTime += deltaTime;
- this.horizonLine.update(deltaTime, currentSpeed);
- this.updateClouds(deltaTime, currentSpeed);
- if (updateObstacles) {
- this.updateObstacles(deltaTime, currentSpeed)
- }
- },
- updateClouds: function(deltaTime, speed) {
- var cloudSpeed = this.cloudSpeed / 1000 * deltaTime * speed;
- var numClouds = this.clouds.length;
- if (numClouds) {
- for (var i = numClouds - 1; i >= 0; i--) {
- this.clouds[i].update(cloudSpeed)
- }
- var lastCloud = this.clouds[numClouds - 1];
- if (numClouds < this.config.MAX_CLOUDS && (this.dimensions.WIDTH - lastCloud.xPos) > lastCloud.cloudGap && this.cloudFrequency > Math.random()) {
- this.addCloud()
- }
- this.clouds = this.clouds.filter(function(obj) {
- return !obj.remove
- })
- }
- },
- updateObstacles: function(deltaTime, currentSpeed) {
- var updatedObstacles = this.obstacles.slice(0);
- for (var i = 0; i < this.obstacles.length; i++) {
- var obstacle = this.obstacles[i];
- obstacle.update(deltaTime, currentSpeed);
- if (obstacle.remove) {
- updatedObstacles.shift()
- }
- }
- this.obstacles = updatedObstacles;
- if (this.obstacles.length > 0) {
- var lastObstacle = this.obstacles[this.obstacles.length - 1];
- if (lastObstacle && !lastObstacle.followingObstacleCreated && lastObstacle.isVisible() && (lastObstacle.xPos + lastObstacle.width + lastObstacle.gap) < this.dimensions.WIDTH) {
- this.addNewObstacle(currentSpeed);
- lastObstacle.followingObstacleCreated = true
- }
- } else {
- this.addNewObstacle(currentSpeed)
- }
- },
- addNewObstacle: function(currentSpeed) {
- var obstacleTypeIndex = getRandomNum(0, Obstacle.types.length - 1);
- var obstacleType = Obstacle.types[obstacleTypeIndex];
- if (this.duplicateObstacleCheck(obstacleType.type) || currentSpeed < obstacleType.minSpeed) {
- this.addNewObstacle(currentSpeed)
- } else {
- var obstacleSpritePos = this.spritePos[obstacleType.type];
- this.obstacles.push(new Obstacle(this.canvasCtx, obstacleType, obstacleSpritePos, this.dimensions, this.gapCoefficient, currentSpeed));
- this.obstacleHistory.unshift(obstacleType.type);
- if (this.obstacleHistory.length > 1) {
- this.obstacleHistory.splice(Runner.config.MAX_OBSTACLE_DUPLICATION)
- }
- }
- },
- duplicateObstacleCheck: function(nextObstacleType) {
- var duplicateCount = 0;
- for (var i = 0; i < this.obstacleHistory.length; i++) {
- duplicateCount = this.obstacleHistory[i] == nextObstacleType ? duplicateCount + 1 : 0
- }
- return duplicateCount >= Runner.config.MAX_OBSTACLE_DUPLICATION
- },
- reset: function() {
- this.obstacles = [];
- this.horizonLine.reset()
- },
- resize: function(width, height) {
- this.canvas.width = width;
- this.canvas.height = height
- },
- addCloud: function() {
- this.clouds.push(new Cloud(this.canvas, this.spritePos.CLOUD, this.dimensions.WIDTH))
- }
- }
- })();
- new Runner('.interstitial-wrapper');
Add Comment
Please, Sign In to add comment