/**** 
* 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
****/ 
//<Assets used in the game will automatically appear here>
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;
	}
};