SoundSnake/snake.html at master · barbara42/SoundSnake · GitHub

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<!DOCTYPE html>
<html>
<head>
	<script src="/Users/barbara/Documents/Projects/jquery.js" type="text/javascript"></script>
	<!--cscript src="https://w.soundcloud.com/player/api.js"></script-->
	<script type="text/javascript" src="http://connect.soundcloud.com/sdk.js"></script>
	<script type="text/javascript" src="https://w.soundcloud.com/player/api.js"></script>
	<script type="text/javascript">
	    SC.initialize({
	      client_id: "92e690e891a9ea26b6f280737b5641b1",
	    });
	    //soundcloud widget
	    var myWidget;
	    var ctx, w, h;
	    var displayingOptions = false;
	    var secondsGathered = 20;
		$(document).ready(function(){
			//assigns widget to iframe
			var iframeElement   = document.querySelector('iframe');
			var iframeElementID = iframeElement.id;
			myWidget = SC.Widget(iframeElement);

			//Canvas stuff
			var canvas = $("#canvas")[0];
			ctx = canvas.getContext("2d");
			w = $(window).width() - 20;
			h = $(window).height() - 206;
			canvas.width = w;
			canvas.height = h;
			//makes canvas black
			ctx.fillStyle = 'black';
			ctx.fillRect(0,0,w,h);
		});//END document ready

			var cw = 10;
			var score;
			//food array
			var food_array;
			var dir;
			var loop;
			var color_array;
			var color_food = 0;

			var snake_array;
			//creates a snake of length l
			function create_snake(){
				var length = 5;
				snake_array = [];
				color_array = [];
				for (var i = length; i > 0; i --){
					snake_array.push({x:i, y:0});
					color_array.push(0);
				}
			}
			function create_food(){
				var x = Math.round(Math.random()*(w-cw)/cw);
				var y = Math.round(Math.random()*(h-cw)/cw);
				//food array
				food_array.push({x:x, y:y});
				return {x:x, y:y};
			}
			//Rainbow colors
			function rainbow_color(num){
				var r, g, b;
				switch (num){
					case 0:
						return 'red';
					case 1: //orange
						r = 255;
						//g = Math.round(Math.random()*22 + 118); //118 to 140
						g = 131;
						b = 0;
						break;
					case 2: //yellow
						//r = Math.round(Math.random()*40 + 215); //215 to 255
						//g = Math.round(Math.random()*40 + 215);
						r = 255;
						g = 255;
						b = 0;
						break;
					case 3: //green
						r = 0;
						//g = Math.round(Math.random()*55 + 200);//200 to 255
						g = 218;
						b = 0;
						break;
					case 4: //blue
						r = 0;
						//g = Math.round(Math.random()*25 + 230); //230 to 255
						//b = Math.round(Math.random()*100 + 155); //155 to 255
						g = 255;
						b = 255;
						break;
					case 5: //purple
						//r = Math.round(Math.random()*20 + 120); //120 to 140
						//g = Math.round(Math.random()*25 + 30); //30 to 55
						//b = Math.round(Math.random()*50 + 205); //205 to 255
						r = 138;
						g = 43;
						b = 226;
						break; 		//138, 43, 	226
				}
				return "rgb("+r+", "+g+", "+b+")";
			}
			//unit of snake
			function paint_unit(x,y, color){
				//ctx.fillStyle = "#00FFFF";
				ctx.fillStyle = color;
				ctx.fillRect(x*cw, y*cw, cw, cw)
				ctx.strokeStyle = 'black';
				ctx.strokeRect(x*cw, y*cw, cw, cw);
			}
			//unit of food
			function paint_food(food){
				color_food++;
				if (color_food > 5) color_food = 1;
				color_array.push(color_food);
				ctx.fillStyle = rainbow_color(color_food);
				ctx.fillRect(food.x*cw, food.y*cw, cw, cw);
				ctx.strokeStyle = "black";
				ctx.strokeRect(food.x*cw, food.y*cw, cw, cw)
			}
			function check_collision(x,y){ //returns true when collision
				//checks to see if any snake units are at the same place as other units
				//all but the head
				for (i = 0; i < snake_array.length - 1; i++){
					var unit = snake_array[i];
					if(x == unit.x && y == unit.y){
						return true;
					}
				}
				//checks for collision with walls
				var left_side = w/10;
				var bottom_side = h/10
				if (x >= left_side|| x < 0 || y >= bottom_side || y<0){
					return true;
				}
				return false;
			}
			//paints the snake on the canvas
			function paint(){
				//pauses game if button clicked
				if (isPaused()) return;
				//makes canvas black
				ctx.fillStyle = 'black';
				ctx.fillRect(0,0,w,h);
				//moves snake
				var head_x = snake_array[0].x;
				var head_y = snake_array[0].y;
				if (dir == "right") head_x++;
				else if (dir == "left") head_x--;
				else if (dir == "up") head_y--;
				else if(dir == "down") head_y++;
				//if collision, start over
				if (check_collision(head_x, head_y)){
					clearInterval(loop);
					//pauses song while game starts over
					myWidget.pause();
					return;
				}
				//checks to see if eats food
				//food array
				var isFoodEaten = false;
				var foodEaten = null;
				for (var i = 0; i < food_array.length; i++){
					var food = food_array[i];
					if (head_y == food.y && head_x == food.x){
						if (displayingOptions == true){
							//desplays option tags


							//get genre selected
							var genre = genreSelected(i);
							console.log(genre);
							newSong(myWidget, genre);
							//clear food_array, and start repopulating it
							food_array.length = 0;
							displayingOptions = false;
							startFoodFactory();
						}
						console.log("FOOD EATEN");
						isFoodEaten = true;
						foodEaten = food;
						//removes food item from array
						food_array.splice(i,1);
					}
				}
				if (isFoodEaten){
					snake_array.push(foodEaten);
					score++;
				}
				else{
					var tail = snake_array.pop();
					tail.x = head_x;
					tail.y = head_y;
					snake_array.unshift(tail);
				}

				///OLD STUFF
				/*if (head_y == food.y && head_x == food.x){
					snake_array.push(food);
					food = create_food();
					score++;
				}
				else {
					var tail = snake_array.pop();
					tail.x = head_x;
					tail.y = head_y;
					snake_array.unshift(tail);
				}*/
				//paints snake
				for (var i = 0; i < snake_array.length; i++){
					var unit = snake_array[i];
					var color = color_array[i];
					paint_unit(unit.x, unit.y, rainbow_color(color));
				}
				//paints food
				for (var i = 0; i < food_array.length; i ++){
					var food = food_array[i];
					paint_food(food);
				}
				//paints tags if options are being displayed
				if (displayingOptions){
					drawTags();
				}
				//paints score
				ctx.fillStyle = 'white';
				ctx.fillText("Score: " + score, w - 60, 10);
				ctx.fillText("Seconds: " + secondsGathered, w - 160, 10);
			}
			function displayOptions(){
				//clear food array
				food_array.length = 0;
				displayingOptions = true;
				//create array of food that correlate with a genre
				var x = Math.round((3/4)*(w-cw)/cw);
				var y = (h-cw)/cw;
				//var x = 20;
				//var y = 20;
				var electronic = {x:x, y:Math.round((1/10)*y)};
				var metal = {x:x, y:Math.round((2/10)*y)};
				var alternative = {x:x, y:Math.round((3/10)*y)};
				var indie = {x:x, y:Math.round((4/10)*y)};
				var rock = {x:x, y:Math.round((5/10)*y)};
				var classical = {x:x, y:Math.round((6/10)*y)};
				var acoustic = {x:x, y:Math.round((7/10)*y)};
				var punk  = {x:x, y:Math.round((8/10)*y)};
				food_array = [electronic, metal, alternative, indie, rock, classical, acoustic, punk];
				//paints food pieces
				for (var i = 0; i < food_array.length; i ++){
					var food = food_array[i];
					paint_food(food);
				}
			}
			function drawTags(){
				ctx.fillStyle = 'white';
				var x = (3/4)*w + 5;
				var y = h;
				var shift = 3;
				ctx.fillText("electronic", x, Math.round((1/10)*y) + shift);
				ctx.fillText("metal", x, Math.round((2/10)*y)+ shift);
				ctx.fillText("alternative", x, Math.round((3/10)*y)+ shift);
				ctx.fillText("indie",x, Math.round((4/10)*y)+ shift);
				ctx.fillText("rock",x, Math.round((5/10)*y)+ shift);
				ctx.fillText("classical",x,Math.round((6/10)*y)+ shift);
				ctx.fillText("acoustic", x, Math.round((7/10)*y)+ shift);
				ctx.fillText("punk",x,Math.round((8/10)*y)+ shift);
			}
			function genreSelected(index){
				switch(index){
					case 0:
						return "electronic";
					case 1:
						return "metal";
					case 2:
						return "alternative";
					case 3:
						return "indie";
					case 4:
						return "rock";
					case 5:
						return "classical";
					case 6:
						return "acoustic";
					case 7:
						return "punk";
				}
				return null;
			}
			//loads a new song into the widget
			function newSong(widget, myGenre) {
				SC.get('https://api.soundcloud.com/tracks', { genres: myGenre},
			  		function(tracks) {
					    var random = Math.floor(Math.random() * 49);
					    var track_url = tracks[random].permalink_url;
					    console.log(track_url);
					    widget.load(track_url);
					    widget.bind(SC.Widget.Events.READY, function(){
					    	widget.play();
					    })
				    }
				);
			}
			function getBPM(){ //DOES NOT WORK
				myWidget.getCurrentSound(function(currentSound){
					console.log("CurrentSound bpm = " + currentSound.bpm);
				});
			}
			function startFoodFactory(){
				//creates one randomly placed food every 1 second
				//var foodloop = undefined;
				//if(typeof foodloop != "undefined" || displayingOptions == false) clearInterval(foodloop);
				foodloop = setInterval(create_food, 5000);
			}
			function stopFoodFactory(){
				clearInterval(foodloop);
			}

			//keeps track of keyboard arrow action
			$(document).keydown(function(e){
				var key = e.which;
				if (key == "37" && dir != "right") dir = "left";
				else if (key == "38" && dir != "down") dir = "up";
				else if (key == "39" && dir != "left") dir = "right";
				else if (key == "40" && dir != "up") dir = "down";
			})


			//MAIN SHIT HAPPENING
			function init(){
				score = 0;
				dir = "right";
				food_array = new Array();
				create_snake();
				myWidget.play();
				myWidget.bind(SC.Widget.Events.FINISH, function(){
					stopFoodFactory();
					displayOptions();
				});
				getBPM();
				//displayOptions();
				//creates one randomly placed food every 1 second
				/*foodloop = setInterval(create_food, 1000);
				if(typeof foodloop != "undefined" || displayingOptions == true) clearInterval(foodloop);*/
				create_food();
				startFoodFactory();
				//loops main snake moving paint class
				if(typeof loop != "undefined") clearInterval(loop);
				loop = setInterval(paint, 60);
			}
			//init();

		//})

		function play(){
			var button = document.getElementById("play_button");
			var button_text = button.textContent;
			if (button_text == "play"){
				button.textContent = "pause";
				myWidget.play();
			} else if (button_text == "pause"){
				button.textContent = "play";
				myWidget.pause();
			}
		}
		function isPaused(){ //returns true if paused, false is playing
			var button = document.getElementById("play_button");
			var button_text = button.textContent;
			if (button_text == "play") return true;
			else if (button_text == "pause") return false;
		}
	</script>
</head>
<body style="background:black;">
<!-- 	<iframe id="spotify_iframe" src="https://embed.spotify.com/?uri=spotify:track:3gvAGvbMCRvVDDp8ZaIPV5" width="300" height="380" frameborder="0" allowtransparency="true"></iframe> -->
	<div id="target"></div>

	<!--iframe id="soundcloud_iframe" width="100%" height="166" scrolling="no" frameborder="no" src="https://w.soundcloud.com/player/?url=https%3A//api.soundcloud.com/tracks/99350098"></iframe-->
	<iframe id="soundcloud_iframe" width="100%" height="166" scrolling="no" frameborder="no" src="https://w.soundcloud.com/player/?url=https%3A//api.soundcloud.com/tracks/99350098"></iframe>
	<button id="start_button" onclick="init()">START GAME</button>
	<button id="play_button" onclick="play()">pause</button>
	<canvas id="canvas" width-"450" height="450"></canvas>
</body>
</html>