/**** 
* 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 RoadSegment = ConfigContainer.expand(function (config) {
	var self = ConfigContainer.call(this, config);
	self.attachAsset('roadSegment', {
		anchorX: 1,
		anchorY: 1
	});
	;
	self.scaling = config.scale;
	self.stepChance = config.stepChance;
	self.transition = transition;
	self.previous = config.previous;
	;
	function transition(instant) {
		var stepChance = self.previous.stepChance;
		var stepUp = self.previous.scaling < ROAD_SCALE_MAX ? Math.random() < self.stepChance : false;
		var stepDown = self.previous.scaling > ROAD_SCALE_MIN ? Math.random() < self.stepChance : false;
		if (stepUp && stepDown) {
			if (Math.random() < 0.5) {
				stepDown = false;
			} else {
				stepUp = false;
			}
		}
		if (stepUp || stepDown) {
			self.scaling = self.previous.scaling += ROAD_SCALE_STEP * (stepUp ? 1 : -1);
			self.stepChance = ROAD_STEP_CHANCE_BASE;
		} else {
			self.scaling = self.previous.scaling;
			self.stepChance = self.previous.stepChance + ROAD_STEP_CHANCE_INCREMENT;
		}
		self.scale.set(self.scaling);
	}
});
var Road = ConfigContainer.expand(function (config) {
	var self = ConfigContainer.call(this, config);
	var segments = [];
	var segmentAngle = 2 * Math.PI / ROAD_SEGMENT_COUNT;
	for (var i = 0; i < ROAD_SEGMENT_COUNT; i++) {
		var segment = segments[i] = self.addChild(new RoadSegment({
			previous: i > 0 ? segments[i - 1] : undefined,
			rotation: i * segmentAngle,
			stepChance: ROAD_STEP_CHANCE_BASE,
			scale: ROAD_SCALE_BASE
		}));
		if (i === ROAD_SEGMENT_COUNT - 1) {
			segments[0].previous = segment;
		}
		if (i >= ROAD_FREE_RUN_COUNT) {
			segment.transition(true);
		}
	}
	var circle = self.attachAsset('circle', {
		width: 500,
		height: 500,
		tint: 0x000000,
		anchorX: 0.5,
		anchorY: 0.5
	});
});
var CharacterLeg = ConfigContainer.expand(function (config) {
	var self = ConfigContainer.call(this, config);
	// Leg settings
	var upperBaseAngle = Math.PI * 3 / 8;
	var lowerBaseOffset = 135;
	var lowerHoldAngle = Math.PI / 8;
	var footBaseOffset = 100;
	// Create and attach leg parts
	var upper = self.attachAsset('upperLeg', {
		rotation: upperBaseAngle,
		anchorY: 0.1,
		tint: config.tint || 0xFFFFFF
	});
	var lower = self.addChild(new ConfigContainer({
		y: lowerBaseOffset,
		tint: config.tint || 0xFFFFFF
	}));
	lower.attachAsset('lowerLeg', {
		anchorX: 0.65,
		tint: config.tint || 0xFFFFFF
	});
	var foot = lower.attachAsset('foot', {
		y: footBaseOffset,
		anchorX: 0.2,
		anchorY: 0.05,
		tint: config.tint || 0xFFFFFF
	});
	self.update = function (alpha) {
		var sinusoidal = Math.cos(alpha * Math.PI * 2);
		var upperSwing = sinusoidal * Math.PI / 3;
		self.rotation = upperSwing;
		lower.rotation = lowerHoldAngle + (alpha <= 0.5 ? Math.PI / 3 + (1 - Math.abs(sinusoidal)) * Math.PI / 6 : Math.abs(-upperSwing));
		foot.rotation = Math.max(0, upperSwing * 2 / 3) - lowerHoldAngle;
	};
});
var CharacterBody = ConfigContainer.expand(function (config) {
	var self = ConfigContainer.call(this, config);
	// Body settings
	var armOffsetX = 15;
	var armOffsetY = 30;
	var pelvisOffsetX = -15;
	var legOffsetX = 5;
	// Create and attach body parts
	var armRight = self.addChild(new CharacterArm({
		y: armOffsetY,
		tint: 0x777777
	}));
	var legRight = self.addChild(new CharacterLeg({
		x: pelvisOffsetX + legOffsetX,
		tint: 0x777777
	}));
	var torso = self.attachAsset('torso', {
		anchorX: 0.5
	});
	var head = self.attachAsset('head', {
		anchorX: 0.15,
		anchorY: 0.95
	});
	var pelvis = self.attachAsset('pelvis', {
		x: pelvisOffsetX,
		y: torso.height,
		anchorX: 0.5,
		anchorY: 0.2,
		tint: 0xAAAAAA
	});
	var legLeft = self.addChild(new CharacterLeg({
		x: pelvisOffsetX - legOffsetX
	}));
	var armLeft = self.addChild(new CharacterArm({
		y: armOffsetY
	}));
	// Position body parts
	armLeft.x = -torso.width / 2 + armOffsetX;
	armRight.x = torso.width / 2 - armOffsetX;
	legLeft.y = torso.height + pelvis.height / 3;
	legRight.y = torso.height + pelvis.height / 3;
	// Add an empty update function to the Character class
	self.runAlpha = 0;
	self.update = function () {
		this.runAlpha += 0.0075;
		var sinusoidal = Math.cos(this.runAlpha * Math.PI * 4);
		armLeft.update(this.runAlpha % 1);
		armRight.update((this.runAlpha - 0.5) % 1);
		legLeft.update(this.runAlpha % 1);
		legRight.update((this.runAlpha - 0.5) % 1);
		self.y = sinusoidal * 10;
		head.rotation = (1 + sinusoidal) * Math.PI / 32;
	};
});
var CharacterArm = ConfigContainer.expand(function (config) {
	var self = ConfigContainer.call(this, config);
	// Arm settings
	var upperBaseAngle = -Math.PI * 3 / 8;
	var upperOffsetAngle = Math.PI / 5;
	var lowerBaseAngle = -Math.PI / 4;
	var lowerHoldAngle = -Math.PI * 5 / 8;
	var lowerBaseOffset = 90;
	// Create and attach arm parts
	var upper = self.attachAsset('upperArm', {
		rotation: upperBaseAngle,
		anchorX: 0.85,
		anchorY: 0.25,
		tint: config.tint || 0xFFFFFF
	});
	var lower = self.attachAsset('lowerArm', {
		y: lowerBaseOffset,
		rotation: lowerBaseAngle + lowerHoldAngle,
		anchorX: 0.95,
		anchorY: 0.05,
		tint: config.tint || 0xFFFFFF
	});
	self.update = function (alpha) {
		var upperSwing = Math.cos(alpha * Math.PI * 2) * Math.PI / 4; // Swing between -45 and 45 degrees
		var lowerSwing = -upperSwing / 2;
		self.rotation = -upperSwing + upperOffsetAngle;
		lower.rotation = lowerBaseAngle + lowerHoldAngle + lowerSwing;
	};
});
var Character = ConfigContainer.expand(function (config) {
	var self = ConfigContainer.call(this, config);
	var body = self.addChild(new CharacterBody());
	self.update = function () {
		body.update();
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB // Sky blue color
});

/**** 
* Game Code
****/ 
// Global Constants & Settings
// Game Constants
var GAME_TICKS = 60;
// Math Constants
var MATH_2_PI = Math.PI * 2;
// Road Constants
var ROAD_SEGMENT_COUNT = 30;
var ROAD_FREE_RUN_COUNT = 5;
var ROAD_SCALE_BASE = 0.7;
var ROAD_SCALE_STEP = 0.1;
var ROAD_SCALE_MAX = 1.0;
var ROAD_SCALE_MIN = 0.4;
var ROAD_STEP_CHANCE_BASE = 0.1;
var ROAD_STEP_CHANCE_INCREMENT = 0.5;
// Player Constants
var PLAYER_ROTATIONAL_SPEED = MATH_2_PI / (GAME_TICKS * 10); // 10s to complete a revolution
;
// Game Instances
var road = game.addChild(new Road({
	x: 2048 / 2,
	y: 2732 / 2
}));
var character = game.addChild(new Character({
	x: 2048 / 2,
	y: 2732 / 2
}));
;
// Events
LK.on('tick', function () {
	road.rotation += PLAYER_ROTATIONAL_SPEED;
	character.update();
});
;
// Animations
function animationRun(alpha) {
	return {};
}
function animationJump(alpha) {
	return {};
}
function animationStand(alpha) {
	return {};
}