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pointer.html
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pointer.html
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<html>
<head>
<style>
@font-face{
font-family:"StiffStaff";
src:url(../ludumpad-client/StiffStaff.otf);
}
body {
margin: 0px;
padding: 0px;
background-color: #33CC33;
}
#qr {
position: fixed;
top: 30px;
right: 30px;
z-index: 1;
border: 5px solid white;
}
</style>
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
<script src="../ludumpad-client/jquery.min.js"></script>
<script src="../ludumpad-client/qrcode.min.js"></script>
<script src="http://cdnjs.cloudflare.com/ajax/libs/gsap/1.10.3/plugins/CSSPlugin.min.js"></script>
<script src="http://cdnjs.cloudflare.com/ajax/libs/gsap/1.10.3/easing/EasePack.min.js"></script>
<script src="http://cdnjs.cloudflare.com/ajax/libs/gsap/1.10.3/TweenLite.min.js"></script>
<script src="../ludumpad-client/socket.io.js"></script>
<script src="../ludumpad-client/ludumpad.js"></script>
</head>
<body>
<div id="qr"></div>
<canvas id="myCanvas"></canvas>
<script>
var canvas = document.getElementById('myCanvas');
var ctx = canvas.getContext('2d');
$(window).resize(function() {
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
}.bind(this));
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
/* LudumPad */
LudumPad.debugMode();
LudumPad.UI.configure({canvas:canvas, ctx:ctx});
var channel = new LudumPad.Channel ();
channel.open();
channel.on('GamepadConnection', function (gamepad) {
gamepad.color = '#'+Math.floor(Math.random()*16777215).toString(16);
channel.emitConfigurationToGamepads([gamepad], {
bgcolor: gamepad.color,
index: gamepad.index,
conf: [LudumPad.GamepadConfInputTouches, LudumPad.GamepadConfInputGyroscope]});
});
channel.on('PacketFromGamepad', function (packet, gamepad) {
//Nothing
});
/* LudumPad */
channel.on('open', function () {
var qrcode = new QRCode("qr", {
text: "http://bluecodestudio.com/ludumpad/gamepadPrompt.html?host="+channel.host+"&channel="+channel.channelID+"&port="+channel.port,
width: 150,
height: 150,
colorDark : "#000000",
colorLight : "#ffffff",
correctLevel : QRCode.CorrectLevel.H
});
});
function renderTouch (touch, screen) {
ctx.beginPath();
ctx.arc(touch.screenX*canvas.width/screen.width, touch.screenY*canvas.height/screen.height, 50, 0, 2 * Math.PI, false);
ctx.fill();
}
function renderTouches (gamepad) {
ctx.fillStyle = gamepad.color;
for (var i = 0; i < gamepad.touches.length; ++i) renderTouch(gamepad.touches[i], gamepad.screen);
}
function degDistance (d1, d2) {
var ndist = d1-d2;
var ldist = d1-d2+360;
var rdist = d1-d2-360;
var min = Math.min(Math.abs(ndist), Math.abs(ldist), Math.abs(rdist));
if (Math.abs(ndist) == min) return ndist;
if (Math.abs(ldist) == min) return ldist;
if (Math.abs(rdist) == min) return rdist;
throw new Error ("Something weird happened");
}
var touchdown = false;
var currentpoint = 0;
var pointdir = [0,0,0,0];
var incrementx = 0;
var incrementy = 0;
var currballx = 0;
var currbally = 0;
var targetx = 0;
var targety = 0;
function resetTarget () {
targetx = Math.random()*canvas.width;
targety = Math.random()*canvas.height;
}
function checkTarget () {
if (Math.sqrt(Math.pow(targetx-currballx,2) + Math.pow(targety-currbally,2)) < 100) resetTarget();
}
resetTarget();
function doPoint (gamepad) {
if (currentpoint >= 4) return;
if (currentpoint <= 2) pointdir[currentpoint] = gamepad.gyroscope.dir;
else pointdir[currentpoint] = gamepad.gyroscope.FB;
++currentpoint;
if (currentpoint >= 4) {
incrementx = degDistance(pointdir[0], pointdir[1]);
incrementy = pointdir[2]-pointdir[3];
}
}
function main () {
requestAnimationFrame(main);
ctx.clearRect(0,0,canvas.width,canvas.height);
ctx.beginPath();
ctx.fillStyle = "white";
ctx.arc(targetx, targety, 50, 0, 2 * Math.PI, false);
ctx.fill();
for (var i = 0; i < channel.gamepadList.length; ++i) { // Acessing channel's gamepad list
var gamepad = channel.gamepadList[i];
if (gamepad.touches.length > 0) console.log(gamepad.gyroscope);
renderTouches(gamepad);
if (gamepad.touches.length > 0 && !touchdown) {
touchdown = true;
doPoint(gamepad);
} else if (gamepad.touches.length == 0 && touchdown) touchdown = false;
if (incrementx != 0) {
var ballx = canvas.width*degDistance(pointdir[0], gamepad.gyroscope.dir)/incrementx;
var bally = canvas.height*(pointdir[2]-gamepad.gyroscope.FB)/incrementy;
currballx += (ballx-currballx)/2;
currbally += (bally-currbally)/2;
ctx.beginPath();
ctx.fillStyle = gamepad.color;
ctx.arc(currballx, currbally, 50, 0, 2 * Math.PI, false);
ctx.fill();
ctx.beginPath();
ctx.fillStyle = "white";
ctx.arc(ballx, bally, 10, 0, 2 * Math.PI, false);
ctx.fill();
}
}
LudumPad.UI.render(); // UI render
checkTarget();
}
requestAnimationFrame(main);
</script>
</body>