HTML5-test/index.html at master · moltanem2000/HTML5-test · GitHub

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<!DOCTYPE html>
<!--
	ICONS (Players, Item) by sbed http://opengameart.org/content/95-game-icons
	Followed a tutorial for some of this, it can be found here: http://html5gamedev.samlancashire.com/
-->
<html>
<head>
	<link rel="stylesheet" type="text/css" href="style1.css" media="screen" />
	<title>HTML5 game by Brandon Duncan</title>
</head>
<body>
	<div class="box">
		<h3>HTML5 Test Game:</h3>
		<hr>
		<h5><img src="player1icon.png"></img> Player 1: ARROW KEYS</h5>
		<img src="player2icon.png"></img> Player 2: WASD<br>
		<br>
		<hr>
		Collect the + in the middle<br>
		to Score a point! Who can<br>
		Score the most points?<br>
		<br>
		Every time you catch a +<br>
		a new one will appear<br>
		randomly somewhere within<br>
		the dark box!<br>
		<br>
		<b>There's no win-condition</b><br>
		but I intended it to end<br>
		when the black box reaches<br>
		the size of zero.<br>
		<hr>
	</div>
	<canvas id="canvas" class="thingo"></canvas>
	<div class="box">
		<h3>Game by Brandon Duncan</h3>
		<hr>
		Hey I made this in a few hours<br>
		on Nov. 20th 2013 as a look into<br>
		HTML5 games.<br>
		<br>
		Go check out my Website:<br>
		<b><a href="http://moltanem2000.github.io" target="_blank">MOLTANEM2000.GITHUB.IO</a></b><br>
		<br>
		Feel free to check out the source<br>
		(Just right click -> view source)<br>
		<hr>
	</div>

	<script type="text/javascript">
				var canvas = document.getElementById('canvas');
		var ctx = canvas.getContext('2d');

		canvas.width = 700;
		canvas.height = 700;

		//LOAD IMAGES
		var CharacterSpriteOne = {
			loaded: false,
			image: new Image(),
			tileWidth: 24,
			tileHeight: 24
		};

		var CharacterSpriteTwo = {
			loaded: false,
			image: new Image(),
			tileWidth: 24,
			tileHeight: 24
		};

		var itemtile = {
			loaded: false,
			image: new Image(),
			tileWidth: 24,
			tileHeight: 24
		};

		var background = {
			loaded: false,
			image: new Image(),
			tileWidth: 800,
			tileHeight: 800
		};

		CharacterSpriteOne.image.onload = function() {
		   CharacterSpriteOne.loaded = true;
		}
		CharacterSpriteTwo.image.onload = function() {
		   CharacterSpriteTwo.loaded = true;
		}
		itemtile.image.onload = function() {
			itemtile.loaded = true;
		}
		background.image.onload = function() {
			background.loaded = true;
		}

		CharacterSpriteTwo.image.src = 'player1.png';
		CharacterSpriteOne.image.src = 'player2.png';
		itemtile.image.src = 'item.png';
		background.image.src = 'background.png';

		//INSTANIATE DEM OBJECTS
		var CharacterOne = {
			width: 24,
			height: 24,
			x: 96 - 24/2,
			y: canvas.height/2 - 24/2,
			speed: 12,
			xspeed: 0,
			yspeed: 0,
			state: 0
		};
		var CharacterTwo = {
			width: 24,
			height: 24,
			x: canvas.width -96 -24/2,
			y: canvas.height/2 - 24/2,
			speed: 12,
			xspeed: 0,
			yspeed: 0,
			state: 2
		};

		var item = {
			width: 24,
			height: 24,
			x: canvas.width/2 - 24/2,
			y: canvas.height/2 - 24/2,
		};

		var keysDown = {};
		window.addEventListener('keydown', function(e) {
			keysDown[e.keyCode] = true;
		});
		window.addEventListener('keyup', function(e) {
			delete keysDown[e.keyCode];
		});
		//AW YEAH
		//GameVars
		var itemCounterOne = 0;
		var itemCounterTwo = 0;
		var bordersize = 48;

		var speedconst = 2;
		var slowconst = 1.25;
		var bounceconst = 4;

		function collisionBox(A,B) {
			return (
				A.x < B.x + B.width &&
				A.x + A.width > B.x &&
				A.y < B.y + B.height &&
				A.y + A.height > B.y
			);
		}

		function update(mod) {
			//oh god I should really do something about the following awful code but I'm in too deep now!
			//Player 1 movement
			if (65 in keysDown) {
				CharacterOne.state = 2; //left
				if (CharacterOne.xspeed > -CharacterOne.speed) {CharacterOne.xspeed -= speedconst;}
			}
			if (87 in keysDown) {
				CharacterOne.state = 3; //up
				if (CharacterOne.yspeed > -CharacterOne.speed) {CharacterOne.yspeed -= speedconst;}
			}
			if (68 in keysDown) {
				CharacterOne.state = 0; //right
				if (CharacterOne.xspeed < CharacterOne.speed) {CharacterOne.xspeed += speedconst;}
			}
			if (83 in keysDown) {
				CharacterOne.state = 1; //down
				if (CharacterOne.yspeed < CharacterOne.speed) {CharacterOne.yspeed += speedconst;}
			}
			CharacterOne.x += CharacterOne.xspeed;
			CharacterOne.y += CharacterOne.yspeed;
			CharacterOne.xspeed /= slowconst;
			CharacterOne.yspeed /= slowconst;
				//can't leave room
			if (CharacterOne.x > canvas.width && CharacterOne.xspeed > 0) {CharacterOne.xspeed *= -bounceconst}
			if (CharacterOne.x < 0 && CharacterOne.xspeed < 0) {CharacterOne.xspeed *= -bounceconst}
			if (CharacterOne.y > canvas.height&& CharacterOne.yspeed > 0) {CharacterOne.yspeed *= -bounceconst}
			if (CharacterOne.y < 0 && CharacterOne.yspeed < 0) {CharacterOne.yspeed *= -bounceconst}

			//Abandon hope all ye who enjoy modularity

			//Player 2 movement
			if (37 in keysDown) {
				CharacterTwo.state = 2; //left
				if (CharacterTwo.xspeed > -CharacterTwo.speed) {CharacterTwo.xspeed -= speedconst;}
			}
			if (38 in keysDown) {
				CharacterTwo.state = 3; //up
				if (CharacterTwo.yspeed > -CharacterTwo.speed) {CharacterTwo.yspeed -= speedconst;}
			}
			if (39 in keysDown) {
				CharacterTwo.state = 0; //right
				if (CharacterTwo.xspeed < CharacterTwo.speed) {CharacterTwo.xspeed += speedconst;}
			}
			if (40 in keysDown) {
				CharacterTwo.state = 1; //down
				if (CharacterTwo.yspeed < CharacterTwo.speed) {CharacterTwo.yspeed += speedconst;}
			}
			CharacterTwo.x += CharacterTwo.xspeed;
			CharacterTwo.y += CharacterTwo.yspeed;
			CharacterTwo.xspeed /= slowconst;
			CharacterTwo.yspeed /= slowconst;
			if (CharacterTwo.x > canvas.width && CharacterTwo.xspeed > 0) {CharacterTwo.xspeed *= -bounceconst}
			if (CharacterTwo.x < 0 && CharacterTwo.xspeed < 0) {CharacterTwo.xspeed *= -bounceconst}
			if (CharacterTwo.y > canvas.height&& CharacterTwo.yspeed > 0) {CharacterTwo.yspeed *= -bounceconst}
			if (CharacterTwo.y < 0 && CharacterTwo.yspeed < 0) {CharacterTwo.yspeed *= -bounceconst}

			if (collisionBox(CharacterOne,item)) {
				item.x = bordersize + (Math.random() * (canvas.width - 2*bordersize));
				item.y = bordersize + (Math.random() * (canvas.height - 2*bordersize));
				itemCounterOne ++;
				bordersize += 4;
			}
			if (collisionBox(CharacterTwo,item)) {
				item.x = bordersize + (Math.random() * (canvas.width - 2*bordersize));
				item.y = bordersize + (Math.random() * (canvas.height - 2*bordersize));
				itemCounterTwo ++;
				bordersize += 4;
			}
		}

		function render() {
			//Draw background
			if (background.loaded) {
				ctx.drawImage(
					background.image,
					0,
					0
				);
			}

			ctx.fillStyle = 'rgba(0,0,0,0.5)';
			ctx.fillRect(bordersize,bordersize,canvas.width - 2*bordersize,canvas.height-2*bordersize);

			//Draw Item
			if (itemtile.loaded) {
				ctx.drawImage(
					itemtile.image,
					Math.round(item.x),
					Math.round(item.y)
				);
			}

			//Draw Player1
			if (CharacterSpriteOne.loaded) {
				ctx.drawImage(
					CharacterSpriteOne.image,
					CharacterOne.state * CharacterSpriteOne.tileWidth,
					0,
					CharacterOne.width,
					CharacterOne.height,
					Math.round(CharacterOne.x),
					Math.round(CharacterOne.y),
					CharacterOne.width,
					CharacterOne.height
				);
			}

			//Draw Player2
			if (CharacterSpriteTwo.loaded) {
				ctx.drawImage(
					CharacterSpriteTwo.image,
					CharacterTwo.state * CharacterSpriteTwo.tileWidth,
					0,
					CharacterTwo.width,
					CharacterTwo.height,
					Math.round(CharacterTwo.x),
					Math.round(CharacterTwo.y),
					CharacterTwo.width,
					CharacterTwo.height
				);
			}

			//Draw Scores
			ctx.font = '36pt Arail';
			ctx.textBaseLine = 'top';
			ctx.fillStyle = '#fD0';
			ctx.fillText(itemCounterOne, 10, 48);
			ctx.fillStyle = '#0Cf';
			ctx.fillText(itemCounterTwo, canvas.width-48, 48)
		}

		function run() {
			update((Date.now() - time) / 1000);
			render();
			time = Date.now();
		}

		var time = Date.now();
		setInterval(run, 10);
	</script>
</body>
</html>