/**** * Classes ****/ /** * config { * x : Number || 0, * y : Number || 0, * rotation : Number || 0, * } **/ var ConfigContainer = Container.expand(function (config) { var self = Container.call(this); config = config || {}; ; self.x = config.x || 0; self.y = config.y || 0; self.rotation = config.rotation || 0; if (config.scale !== undefined || config.scaleX !== undefined || config.scaleY !== undefined) { var scaleX = config.scaleX !== undefined ? config.scaleX : config.scale !== undefined ? config.scale : 1; var scaleY = config.scaleY !== undefined ? config.scaleY : config.scale !== undefined ? config.scale : 1; self.scale.set(scaleX, scaleY); } ; return self; }); var Spawner = ConfigContainer.expand(function (config) { var self = ConfigContainer.call(this, config); var spawnFunction = config.spawnFunction; var positionFunction = config.positionFunction; var margin = config.margin; ; self.update = function () { while (self.x - frog.x < margin) { self.x += positionFunction(self); spawnFunction(self, self.x); } }; return self; }); var ShiftContainer = ConfigContainer.expand(function (config) { var self = ConfigContainer.call(this, config); config = config || {}; self.shift = config.shift !== undefined ? config.shift : 1.0; ; return self; }); var Pickup = ConfigContainer.expand(function (config) { var self = ConfigContainer.call(this, config); config = config || {}; var collected = false; var collectable = self.attachAsset('collectable', { anchorX: 0.5, anchorY: 0.5, rotation: Math.random() * Math.PI * 2 }); self.collect = function () { if (!collected) { collected = true; LK.getSound('pickupCaught').play(); gameInterface.increaseMultiplier(); self.destroy(); } }; self.update = function () { if (!collected && checkVacinity(self, frog) && collectable.intersects(frog.collision)) { self.collect(); } else if (self.x < firewall.x) { self.destroy(); } }; return self; }); var Lilypad = ConfigContainer.expand(function (config) { var self = ConfigContainer.call(this, config); config = config || {}; ; var inert = config.inert !== undefined ? config.inert : false; var active = config.active !== undefined ? config.active : true; var destroying = false; var pickup = undefined; var stalk = self.attachAsset('stalk', { anchorX: 0.5, y: LILYPAD_STALK_OFFSET, width: 15, height: -(self.y + LILYPAD_STALK_OFFSET) * LILYPAD_HEIGHT_FACTOR, rotation: LILYPAD_ANGLE * (1 - 2 * Math.random()), tint: 0x90ee90 // light green }); var lilypad = self.attachAsset('lilypad', { anchorX: 0.5, anchorY: 0.5 }); if (!inert && Math.random() < LILYPAD_PICKUP_CHANCE) { pickup = pickupContainer.addChild(new Pickup({ x: self.x, y: self.y - LILYPAD_PICKUP_OFFSET_MIN - LILYPAD_PICKUP_OFFSET_VAR * Math.random() })); } ; self.launch = function () { active = false; destroying = true; LK.getSound('frogBounce').play(); if (pickup) { pickup.collect(); } }; self.update = function () { if (destroying) { if (self.alpha <= 0) { self.destroy(); } self.alpha -= 0.1; self.y += 10; } else if (active && checkVacinity(self, frog) && lilypad.intersects(frog.collision)) { frog.bounce(); self.launch(); } if (self.x < firewall.x) { self.destroy(); } }; ; return self; }); var Interface = ConfigContainer.expand(function (config) { var self = ConfigContainer.call(this, config); var score = 0; var multiplier = 1.0; var scoreText = self.addChild(new BorderedText('0', { y: -75, size: 1.5 * TEXT_DEFAULT_SIZE, anchorX: 0.5 })); var multiplierText = self.addChild(new BorderedText('1.0x', { y: 0, anchorX: 0.5, anchorY: 0.5 })); ; self.finalize = function () { LK.setScore(Math.floor(score)); }; self.increaseDistance = function (distance) { self.updateScore(score + distance * SCORE_PER_DISTANCE * multiplier); }; self.updateScore = function (newScore) { score = newScore; scoreText.setText(Math.floor(score)); }; self.increaseMultiplier = function () { self.updateMultiplier(multiplier + SCORE_PICKUP_MULTIPLER); }; self.updateMultiplier = function (newMultiplier) { multiplier = newMultiplier; multiplierText.setText(newMultiplier.toFixed(1) + 'x'); }; ; return self; }); var Hook = ConfigContainer.expand(function (config) { var self = ConfigContainer.call(this, config); // Removed highlightContainer var hook = self.attachAsset('hook', { anchorX: 0.5, anchorY: 0.5 }); var flipInterval = HOOK_FLIPTICKS_MIN + Math.floor(Math.random() * HOOK_FLIPTICKS_VAR); var flipCounter = 0; ; self.enabled = true; self.disable = function () { self.enabled = false; var originalTint = hook.tint; hook.tint = 0x222222; // Dark grey var disableTicks = HOOK_OFFLINE; var disableTimeout = LK.setTimeout(function () { self.enabled = true; hook.tint = originalTint; }, 1000 * disableTicks / GAME_TICKS); }; self.update = function () { flipCounter++; if (flipCounter >= flipInterval) { hook.scale.x *= -1; flipCounter = 0; flipInterval = HOOK_FLIPTICKS_MIN + Math.floor(Math.random() * HOOK_FLIPTICKS_VAR); } if (self.x < firewall.x) { if (self === frog.hookedObj) { frog.release(); } self.destroy(); } }; ; return self; }); var Highlight = ConfigContainer.expand(function (config) { var self = ConfigContainer.call(this, config); self.addChild(new BorderedSymbol('highlight', { anchorX: 0.5, anchorY: 0.5, weight: 4 })); self.update = function () { self.rotation += 0.01; }; return self; }); var Grass = ConfigContainer.expand(function (config) { var self = ConfigContainer.call(this, config); config = config || {}; var grass = self.attachAsset(config.asset, { anchorX: 0.5, anchorY: 1.0, scaleX: config.scale * (Math.random() < 0.5 ? 1 : -1), scaleY: config.scale, tint: 0x1a1a3f, // Slight hue added to the dark tint // 90% black alpha: 0.75 }); self.update = function () { if (self.x < firewall.x) { self.destroy(); } }; return self; }); var FrogTongue = ConfigContainer.expand(function (config) { var self = ConfigContainer.call(this, config); ; var tongueBody = self.attachAsset('shapeBox', { anchorX: 0, anchorY: 0.5, height: 10, width: config.length, tint: 0xff69b4 // slightly darker pink }); var tongueTip = self.attachAsset('shapeEllipse', { anchorX: 0.5, anchorY: 0.5, height: 15, width: 20, x: config.length, tint: 0xff69b4 // slightly darker pink }); ; return self; }); var Frog = ConfigContainer.expand(function (config) { var self = ConfigContainer.call(this, config); ; var hooked = false; self.sitting = true; var velocityX = 0; var velocityY = 0; var velocityAngle = 0; self.hookedObj = undefined; var hookLength = 0; var tangentialVelocity = 0; var angularVelocity = 0; var tongue = undefined; var tongueContainer = self.addChild(new Container()); var frog = self.attachAsset('frog', { anchorX: 0.5, anchorY: 0.5 }); var collision = self.attachAsset('shapeEllipse', { anchorX: 0.5, anchorY: 0.5, width: 75, height: 75, alpha: 0 // Hide the collision }); ; var rangeIndicator = self.attachAsset('rangeIndicator', { anchorX: 0.5, anchorY: 0.5, alpha: 0.1 }); self.collision = collision; self.attach = function (hook) { if (hook) { hooked = true; self.sitting = false; self.hookedObj = hook; var dx = self.x - self.hookedObj.x; var dy = self.y - self.hookedObj.y; hookLength = Math.max(PLAYER_TONGUE_RANGE_MIN, Math.sqrt(dx * dx + dy * dy)); velocityAngle = Math.atan2(dy, dx); var direction = Math.atan2(velocityY, velocityX); var magnitude = Math.sin(direction - velocityAngle) * PLAYER_ATTACH_MULTIPLIER; angularVelocity = magnitude * Math.sqrt(velocityX * velocityX + velocityY * velocityY) / hookLength; tongue = tongueContainer.addChild(new FrogTongue({ length: hookLength })); self.rotation = velocityAngle + Math.PI; LK.getSound('frogTongue').play(); } else { LK.getSound('noTarget').play(); } }; self.release = function () { if (tongue) { tongue.destroy(); tongue = undefined; } if (hooked) { self.hookedObj.disable(); self.hookedObj = undefined; hooked = false; // Convert tangential velocity into new vx and vy velocityX = angularVelocity * hookLength * Math.cos(velocityAngle + MATH_HALF_PI) * PLAYER_RELEASE_MULTIPLIER; velocityY = angularVelocity * hookLength * Math.sin(velocityAngle + MATH_HALF_PI) * PLAYER_RELEASE_MULTIPLIER - PLAYER_RELEASE_VY_BONUS; hookLength = 0; } }; self.bounce = function () { if (hooked) { angularVelocity *= PLAYER_BOUNCE_FACTOR; } else { velocityY = -Math.abs(velocityY * PLAYER_BOUNCE_FACTOR); } }; self.update = function () { if (!self.sitting) { if (hooked) { var hookAngle = Math.atan2(self.y - self.hookedObj.y, self.x - self.hookedObj.x); var perpendicularAcceleration = PLAYER_GRAVITY * Math.sin(hookAngle + MATH_HALF_PI); angularVelocity += perpendicularAcceleration / hookLength; angularVelocity *= PLAYER_ANGULAR_DAMPENING; velocityAngle += angularVelocity; velocityX = self.hookedObj.x + hookLength * Math.cos(velocityAngle) - self.x; velocityY = self.hookedObj.y + hookLength * Math.sin(velocityAngle) - self.y; camera.shift(velocityX, velocityY); self.rotation = Math.atan2(self.y - self.hookedObj.y, self.x - self.hookedObj.x) + Math.PI; } else { velocityY += PLAYER_GRAVITY; self.rotation += angularVelocity * PLAYER_SPIN_MAGNITUDE; camera.shift(velocityX, velocityY); } } }; ; return self; }); var Foreground = ConfigContainer.expand(function (config) { var self = ConfigContainer.call(this, config); config = config || {}; var tint = config.tint !== undefined ? config.tint : 0xFFFFFF; var coverage = config.coverage !== undefined ? config.coverage : 0; var covered = 0; var segmentWidth = 0; var flipX = -1; var scaleX = self.scale.x; do { var foregroundLeft = self.attachAsset('foreground', { x: -covered / 2, anchorX: Math.max(0, flipX), anchorY: 1.0, scaleX: flipX, tint: tint }); var foregroundRight = self.attachAsset('foreground', { x: covered / 2, anchorX: Math.max(0, flipX), anchorY: 1.0, scaleX: -flipX, tint: tint }); covered += segmentWidth || (segmentWidth = foregroundRight.width + foregroundLeft.width); flipX *= -1; } while (covered < coverage); ; self.update = function () { if (self.x <= -segmentWidth * scaleX) { self.x += segmentWidth * scaleX; } if (self.x >= segmentWidth * scaleX) { self.x -= segmentWidth * scaleX; } }; ; return self; }); var Firewall = ConfigContainer.expand(function (config) { var self = ConfigContainer.call(this, config); var speed = FIREWALL_SPEED; var columns = []; var columnCount = config.columns || 0; var firewallOverlay = self.attachAsset('shapeBox', { anchorX: 1, anchorY: 1, width: 2 * GAME_WIDTH, height: 2 * GAME_HEIGHT, tint: 0x000000, alpha: 0.85 }); var firewallBase = self.attachAsset('firewallBase', { anchorX: 0.5, anchorY: 1.0 }); columns.push(firewallBase); for (var i = 0; i < columnCount; i++) { var firewallColumn = LK.getAsset('firewallColumn', {}); var column = self.attachAsset('firewallColumn', { anchorX: 0.5, anchorY: 1.0, y: -firewallBase.height * FIREWALL_OFFSET - i * firewallColumn.height * FIREWALL_OFFSET, scaleX: Math.random() > 0.5 ? 1 : -1 }); columns.push(column); } self.update = function () { var randomColumn = columns[Math.floor(Math.random() * columns.length)]; randomColumn.scale.x *= -1; if (!frog.sitting) { speed += FIREWALL_SPEED_INC; self.x += speed; if (self.x < frog.x - FIREWALL_DISTANCE_MAX) { self.x = frog.x - FIREWALL_DISTANCE_MAX; } } }; return self; }); var Camera = ConfigContainer.expand(function (config) { var self = ConfigContainer.call(this, config); var distance = 0; var distanceMax = 0; var hookSpawnDist = self.zoom = 1; self.shift = function (x, y) { // Shift all nested instances attached to the camera for (var i = 0; i < self.children.length; i++) { var shiftContainer = self.children[i]; var shiftX = shiftContainer.shift * x; for (var j = 0; j < shiftContainer.children.length; j++) { var childInstance = shiftContainer.children[j]; childInstance.x -= shiftX; } } // Manually adjust the frog's position frog.x += x; frog.y += y; // Keep track of the scoring distance += x; if (distance > distanceMax) { gameInterface.increaseDistance(distance - distanceMax); distanceMax = distance; } }; self.update = function () { self.zoom = Math.min(1, GAME_HEIGHT / (Math.abs(frog.y) * PLAYER_SCREEN_MARGIN)); self.scale.set(self.zoom); moon.scale.set(1 - MOON_SCALING + MOON_SCALING * self.zoom); }; }); /** * config { * x : Number || 0, // See: ConfigContainer * y : Number || 0, // See: ConfigContainer * rotation : Number || 0, // See: ConfigContainer * anchorX : Number || 0, * anchorY : Number || 1, * size : Number || TEXT_DEFAULT_SIZE, * weight : Number || TEXT_DEFAULT_WEIGHT, * font : String || TEXT_DEFAULT_FONT, * fill : String || TEXT_DEFAULT_FILL, * border : String || TEXT_DEFAULT_BORDER, * } **/ var BorderedText = ConfigContainer.expand(function (text, config) { var self = ConfigContainer.call(this, config); config = config || {}; ; var anchorX = config.anchorX !== undefined ? config.anchorX : 0; var anchorY = config.anchorY !== undefined ? config.anchorY : 1; var size = config.size !== undefined ? config.size : TEXT_DEFAULT_SIZE; var weight = config.weight !== undefined ? config.weight : TEXT_DEFAULT_WEIGHT; var font = config.font !== undefined ? config.font : TEXT_DEFAULT_FONT; var textFill = config.fill !== undefined ? config.fill : TEXT_DEFAULT_FILL; var borderFill = config.border !== undefined ? config.border : TEXT_DEFAULT_BORDER; var textAssets = []; var mainAsset; ; self.setText = setText; self.setFill = setFill; ; function setText(newText) { for (var i = 0; i < textAssets.length; i++) { textAssets[i].setText(newText); } } function setFill(newFill) { textFill = newFill; mainAsset.fill = newFill; } function buildTextAssets(newText) { for (var i = 0; i < TEXT_OFFSETS.length; i++) { var main = i === TEXT_OFFSETS.length - 1; var fill = main ? textFill : borderFill; var textAsset = textAssets[i]; if (textAsset) { textAsset.destroy(); } textAsset = self.addChild(new Text2(newText, { fill: fill, font: font, size: size })); textAsset.anchor = { x: anchorX, y: anchorY }; // NOTE: Cannot be set in config textAsset.x = TEXT_OFFSETS[i][0] * weight; // NOTE: Cannot be set in config textAsset.y = TEXT_OFFSETS[i][1] * weight; // NOTE: Cannot be set in config textAssets[i] = textAsset; } mainAsset = textAssets[TEXT_OFFSETS.length - 1]; } ; buildTextAssets(text); return self; }); /** * var config = { * x : Number || 0, // See: ConfigContainer * y : Number || 0, // See: ConfigContainer * rotation : Number || 0, // See: ConfigContainer * anchorX : Number || .5, * anchorY : Number || .5, * scale : Number || undefined, * scaleX : Number || scale, * scaleY : Number || scale, * weight : Number || TEXT_DEFAULT_WEIGHT, * width : Number || undefined, // Auto-calculated if left undefined and height is set * height : Number || undefined, // Auto-calculated if left undefined and width is set * tint : String || 0xFFFFFF, // Not tinted by default * border : String || TEXT_DEFAULT_BORDER, * } **/ var BorderedSymbol = ConfigContainer.expand(function (symbol, config) { var self = ConfigContainer.call(this, config); config = config || {}; var width = config.width !== undefined ? config.width : undefined; var height = config.height !== undefined ? config.height : undefined; var scale = config.scale !== undefined ? config.scale : undefined; var scaleX = config.scaleX !== undefined ? config.scaleX : scale; var scaleY = config.scaleY !== undefined ? config.scaleX : scale; var weight = config.weight !== undefined ? config.weight : TEXT_DEFAULT_WEIGHT; var anchorX = config.anchorX !== undefined ? config.anchorX : .5; var anchorY = config.anchorY !== undefined ? config.anchorY : .5; var symbolTint = config.tint !== undefined ? config.tint : 0xFFFFFF; var borderTint = config.border !== undefined ? config.border : TEXT_DEFAULT_BORDER; var mainSymbol; var symbolAssets = []; ; self.setSymbol = buildSymbolAssets; self.setTint = setTint; ; function setTint(newTint) { // NOTE: Tinting is currently broken (cannot use string) // mainSymbol.tint = newTint; // symbolConfig.tint = newTint } function buildSymbolAssets(newSymbol) { for (var i = 0; i < TEXT_OFFSETS.length; i++) { var main = i === TEXT_OFFSETS.length - 1; var symbolAsset = symbolAssets[i]; if (symbolAsset) { symbolAsset.destroy(); } symbolAsset = self.attachAsset(newSymbol, { // tint: main ? symbolTint : borderTint, tint: main ? 0xFFFFFF : 0x000000, // NOTE: Tinting is currently broken (cannot use string) x: TEXT_OFFSETS[i][0] * weight, y: TEXT_OFFSETS[i][1] * weight, anchorX: anchorX, anchorY: anchorY }); if (width !== undefined && height === undefined) { height = symbolAsset.height * (width / symbolAsset.width); } else if (height !== undefined && width === undefined) { width = symbolAsset.width * (height / symbolAsset.height); } symbolAsset.width = width; symbolAsset.height = height; if (scaleX !== undefined && scaleY !== undefined) { symbolAsset.scale.set(scaleX, scaleY); } symbolAssets[i] = symbolAsset; } mainSymbol = symbolAssets[TEXT_OFFSETS.length - 1]; } ; buildSymbolAssets(symbol); return self; }); /**** * Initialize Game ****/ // var game = new LK.Game({ backgroundColor: 0x000000 //Init game with black background }); /**** * Game Code ****/ ; //============================================================================== // Global Constants & Settings //============================================================================== ; // Game Constants var GAME_TICKS = 60; var GAME_WIDTH = 2048; var GAME_HEIGHT = 2732; var GAME_VACINITY_DIST = 200; ; // Math Constants / Pre-calculations var MATH_4_PI = Math.PI * 4; var MATH_2_PI = Math.PI * 2; var MATH_HALF_PI = Math.PI / 2; var MATH_HALF_ROOT_3 = Math.sqrt(3) / 2; // Required by: TEXT_OFFSETS, BorderedText, BorderedSymbol, BorderedShape, SymbolText ; // Text Settings var TEXT_OFFSETS = [[0, 1], [MATH_HALF_ROOT_3, 0.5], [MATH_HALF_ROOT_3, -0.5], [0, -1], [-MATH_HALF_ROOT_3, -0.5], [-MATH_HALF_ROOT_3, 0.5], [0, 0]]; // Required by: BorderedText, BorderedSymbol, BorderedShape, SymbolText var TEXT_DEFAULT_WEIGHT = 8; // Required by: BorderedText, BorderedSymbol, BorderedShape, SymbolText var TEXT_DEFAULT_BORDER = '#FFFFFF'; // Required by: BorderedText, BorderedSymbol, BorderedShape, SymbolText var TEXT_DEFAULT_FILL = '#000000'; // Required by: BorderedText, SymbolText var TEXT_DEFAULT_FONT = 'Consolas'; // Required by: BorderedText, SymbolText var TEXT_DEFAULT_SIZE = 120; // Required by: BorderedText, SymbolText ; // Firewall Settings var FIREWALL_OFFSET = 0.7; var FIREWALL_SPEED = 2; var FIREWALL_SPEED_INC = 0.1 / GAME_TICKS; var FIREWALL_START_X = -GAME_WIDTH / 2 - 500; var FIREWALL_SOUND_COUNT = 4; var FIREWALL_SOUND_DIVDIST = 1000; var FIREWALL_DISTANCE_MAX = 3 * GAME_WIDTH; ; // Lilypad Settings var LILYPAD_ANGLE = 10 * Math.PI / 180; var LILYPAD_HEIGHT_FACTOR = 1.025; var LILYPAD_STALK_OFFSET = -5; var LILYPAD_SPAWN_MARGIN = 2 * GAME_WIDTH; var LILYPAD_SPAWN_X_MIN = 50; var LILYPAD_SPAWN_X_VAR = 1450; var LILYPAD_SPAWN_Y_MIN = -50; var LILYPAD_SPAWN_Y_VAR = -300; var LILYPAD_PICKUP_CHANCE = 0.25; var LILYPAD_PICKUP_OFFSET_MIN = 50; var LILYPAD_PICKUP_OFFSET_VAR = 100; ; // Hook Settings var HOOK_OFFLINE = 1 * GAME_TICKS; var HOOK_SPAWN_MARGIN = 2 * GAME_WIDTH; var HOOK_SPAWN_X_MIN = 500; var HOOK_SPAWN_X_VAR = 1000; var HOOK_SPAWN_Y_MIN = -700; var HOOK_SPAWN_Y_VAR = -900; var HOOK_DOUBLE_CHANCE = 0.1; var HOOK_DOUBLE_SPREAD = 0.25; var HOOK_FLIPTICKS_MIN = 20; var HOOK_FLIPTICKS_VAR = 40; var HOOK_SEARCH_OFFSET = 100; ; // Player Settings var PLAYER_START_X = -400; var PLAYER_START_Y = -1300; var PLAYER_GRAVITY = 0.5; var PLAYER_SPIN_MAGNITUDE = -2.0; var PLAYER_ANGULAR_DAMPENING = 0.9995; var PLAYER_TONGUE_RANGE_MIN = 200; var PLAYER_TONGUE_RANGE_MAX = 1000; var PLAYER_ATTACH_MULTIPLIER = 1.12; var PLAYER_RELEASE_MULTIPLIER = 1.12; var PLAYER_RELEASE_VY_BONUS = 5; var PLAYER_BOUNCE_FACTOR = -1.12; var PLAYER_SCREEN_MARGIN = 1.25; ; // Background Settings var MOON_SCALING = 0.25; var FOREGROUND_COVERAGE = 6 * GAME_WIDTH; var FOREGROUND_OFFSET_X = 200; var FOREGROUND_SCALE = 1.0; var FOREGROUND_MOVEMENT = 25; var FOREGROUND_SHIFT_FACTOR = 1.0; var SHADOWGROUND_OFFSET_X = -50; var SHADOWGROUND_OFFSET_Y = -200; var SHADOWGROUND_SCALE = 0.65; var SHADOWGROUND_SHIFT_FACTOR = 0.7; var GRASS_ASSETS = ['grassTall', 'grassShort', 'grassAngled', 'grassShort', 'grassAngled']; var GRASS_SPAWN_MARGIN = 2 * GAME_WIDTH; var GRASS_SCALE_VAR = 0.15; var GRASS_SPAWN_X_MIN = 10; var GRASS_SPAWN_X_VAR = 990; var GRASS_SPAWN_Y = 200; var GRASS_SHIFT_FACTOR_1 = 1.25; var GRASS_SHIFT_FACTOR_2 = 1.35; ; // Scoring Settings var SCORE_PER_DISTANCE = 0.01; var SCORE_PICKUP_MULTIPLER = 0.1; ; //============================================================================== // Game Instances & Variables //============================================================================== ; var paused = true; var gameOver = false; var background = game.addChild(LK.getAsset('background', { anchorX: 0.5, anchorY: 1.0, x: GAME_WIDTH / 2, y: GAME_HEIGHT })); var moon = game.addChild(LK.getAsset('moon', { anchorX: 0.5, anchorY: 0.5, x: GAME_WIDTH / 2, y: GAME_HEIGHT / 2 - 400 })); var gameInterface = game.addChild(new Interface({ x: moon.x, y: moon.y })); var camera = game.addChild(new Camera({ x: GAME_WIDTH / 2, y: GAME_HEIGHT })); // Camera containers camera.addChild(new ShiftContainer({ shift: SHADOWGROUND_SHIFT_FACTOR })).addChild(new Foreground({ x: PLAYER_START_X + SHADOWGROUND_OFFSET_X, y: SHADOWGROUND_OFFSET_Y, tint: 0x111111, coverage: FOREGROUND_COVERAGE, scale: SHADOWGROUND_SCALE })); camera.addChild(new ShiftContainer({ shift: FOREGROUND_SHIFT_FACTOR })).addChild(new Foreground({ x: PLAYER_START_X + FOREGROUND_OFFSET_X, tint: 0x808080, coverage: FOREGROUND_COVERAGE, scale: FOREGROUND_SCALE })); var foregroundContainer = camera.addChild(new ShiftContainer()); var hookContainer = camera.addChild(new ShiftContainer()); var lilypadContainer = camera.addChild(new ShiftContainer()); var pickupContainer = camera.addChild(new ShiftContainer()); var forefrontContainer = camera.addChild(new ShiftContainer()); var grassContainer1 = camera.addChild(new ShiftContainer({ shift: GRASS_SHIFT_FACTOR_1 })); var grassContainer2 = camera.addChild(new ShiftContainer({ shift: GRASS_SHIFT_FACTOR_2 })); // Camera instances var defaultPad = lilypadContainer.addChild(new Lilypad({ x: PLAYER_START_X, y: PLAYER_START_Y, active: false, inert: true })); var frog = forefrontContainer.addChild(new Frog({ rotation: MATH_HALF_PI, x: PLAYER_START_X, y: PLAYER_START_Y })); var firewall = forefrontContainer.addChild(new Firewall({ x: FIREWALL_START_X, columns: 10 })); var targetHook = hookContainer.addChild(new Hook({ x: defaultPad.x + 400, y: defaultPad.y + 200, inert: true })); var highlight = targetHook.addChild(new Highlight()); // Decor lilypads lilypadContainer.addChild(new Lilypad({ x: PLAYER_START_X - 50, y: -500, inert: true })); lilypadContainer.addChild(new Lilypad({ x: PLAYER_START_X + 100, y: -300, inert: true })); // Spawners forefrontContainer.addChild(new Spawner({ x: PLAYER_START_X + 100, spawnFunction: spawnLilypad, positionFunction: positionLilypad, margin: LILYPAD_SPAWN_MARGIN })); forefrontContainer.addChild(new Spawner({ x: targetHook.x, spawnFunction: spawnHook, positionFunction: positionHook, margin: HOOK_SPAWN_MARGIN })); grassContainer1.addChild(new Spawner({ x: firewall.x, spawnFunction: spawnGrass, positionFunction: positionGrass, margin: GRASS_SPAWN_MARGIN })); grassContainer2.addChild(new Spawner({ x: firewall.x, spawnFunction: spawnGrass, positionFunction: positionGrass, margin: GRASS_SPAWN_MARGIN })); ; //============================================================================== // Spawner functions //============================================================================== ; function spawnHook(self, x) { if (Math.random() < HOOK_DOUBLE_CHANCE) { hookContainer.addChild(new Hook({ x: x, y: HOOK_SPAWN_Y_MIN + HOOK_SPAWN_Y_VAR * HOOK_DOUBLE_SPREAD * Math.random() })); hookContainer.addChild(new Hook({ x: x, y: HOOK_SPAWN_Y_MIN + HOOK_SPAWN_Y_VAR - HOOK_SPAWN_Y_VAR * HOOK_DOUBLE_SPREAD * Math.random() })); } else { hookContainer.addChild(new Hook({ x: x, y: HOOK_SPAWN_Y_MIN + HOOK_SPAWN_Y_VAR * Math.random() })); } } function positionHook(self) { return HOOK_SPAWN_X_MIN + HOOK_SPAWN_X_VAR * Math.random(); } function spawnLilypad(self, x) { lilypadContainer.addChild(new Lilypad({ x: x, y: LILYPAD_SPAWN_Y_MIN + LILYPAD_SPAWN_Y_VAR * Math.random() })); } function positionLilypad(self) { return LILYPAD_SPAWN_X_MIN + LILYPAD_SPAWN_X_VAR * Math.random(); } function spawnGrass(self, x) { var assetId = Math.floor(Math.random() * GRASS_ASSETS.length); var scale = 1 + GRASS_SCALE_VAR * (1 - 2 * Math.random()); self.parent.addChild(new Grass({ asset: GRASS_ASSETS[assetId], scale: scale, x: x, y: GRASS_SPAWN_Y })); } function positionGrass(self) { return GRASS_SPAWN_X_MIN + GRASS_SPAWN_X_VAR * Math.random(); } ; //============================================================================== // Global helper functions //============================================================================== ; /** * Quick-check to see if objects are in the same vacinity; compares x-values * against the GAME_VACINITY_DIST. **/ function checkVacinity(obj1, obj2) { var dx = Math.abs(obj1.x - obj2.x); return dx < GAME_VACINITY_DIST; } ; //============================================================================== // Global events //============================================================================== ; game.up = frog.release; game.down = function () { frog.attach(targetHook); if (paused) { paused = false; defaultPad.launch(); } }; game.update = function () { if (gameOver) { frog.release(); gameInterface.finalize(); LK.showGameOver(); } ; // Dynamically loop the fire crackling effect based on distance if (LK.ticks % (GAME_TICKS * 1) === 0) { var distance = frog.x - firewall.x; var volume = Math.pow(1 + distance / FIREWALL_SOUND_DIVDIST, -1); var index = Math.floor(volume * 5); if (index) { LK.getSound('fireCrackling' + index).play(); } } // Find the targetHook var closestHook = undefined; var maxDistanceSq = PLAYER_TONGUE_RANGE_MAX * PLAYER_TONGUE_RANGE_MAX; // Forward checking for (var i = 0; i < hookContainer.children.length; i++) { var hook = hookContainer.children[i]; if (hook !== frog.hookedObj && hook.enabled) { var dx = hook.x - frog.x; if (dx >= HOOK_SEARCH_OFFSET) { var dy = hook.y - frog.y; var distanceSq = dx * dx + dy * dy; if (distanceSq < maxDistanceSq) { maxDistanceSq = distanceSq; closestHook = hook; } } } } // Backwards checcking if (!closestHook) { for (var i = 0; i < hookContainer.children.length; i++) { var hook = hookContainer.children[i]; if (hook !== frog.hookedObj && hook.enabled) { var dx = hook.x - frog.x; if (dx < HOOK_SEARCH_OFFSET && dx > PLAYER_START_X - hook.width) { var dy = hook.y - frog.y; var distanceSq = dx * dx + dy * dy; if (distanceSq < maxDistanceSq) { maxDistanceSq = distanceSq; closestHook = hook; } } } } } targetHook = closestHook; if (targetHook) { targetHook.addChild(highlight); highlight.visible = true; } else { game.addChild(highlight); highlight.visible = false; } // Loop the background music if (LK.ticks % (GAME_TICKS * 10) === 0) { LK.getSound('backgroundAmbient').play(); } // Game over conditions if (frog.y > 0 || frog.x < firewall.x) { LK.effects.flashScreen(0xff0000, 1000); LK.getSound('frogDeath').play(); gameOver = true; } };