Initial commit
This commit is contained in:
Klemek
@@ -0,0 +1,2 @@
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# Auto detect text files and perform LF normalization
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* text=auto
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@@ -0,0 +1,2 @@
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node_modules/*
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.idea/*
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+201
@@ -0,0 +1,201 @@
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<!doctype html>
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<html lang="fr">
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<head>
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<meta charset="utf-8">
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<link href="https://fonts.googleapis.com/css?family=Roboto" rel="stylesheet">
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<script src="/socket.io/socket.io.js"></script>
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<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
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<link href="https://fonts.googleapis.com/css?family=Roboto" rel="stylesheet">
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<style>
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* {
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||||
margin: 0;
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padding: 0;
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||||
box-sizing: border-box;
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}
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||||
body {
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font: 13px Roboto, sans-serif;
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background-color: #212121;
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}
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canvas {
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background-color: #424242;
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position: absolute;
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top: 0;
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bottom: 0;
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left: 0;
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right: 0;
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height: 100vh;
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margin: auto;
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}
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</style>
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</head>
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<body>
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<canvas id="game" width="1600" height="900"></canvas>
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<script>
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const canvas = document.getElementById('game');
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const ctx = canvas.getContext('2d');
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let hsize = 300;
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let current;
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let players;
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let history = {};
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function ellipse(cx, cy, rx, ry) {
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ctx.save(); // save state
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ctx.beginPath();
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ctx.translate(cx - rx, cy - ry);
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ctx.scale(rx, ry);
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ctx.arc(1, 1, 1, 0, 2 * Math.PI, false);
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ctx.restore(); // restore to original state
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ctx.fill();
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||||
}
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function drawPlayer(ratio, p) {
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ctx.fillStyle = p.color;
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ctx.fillText(p.name, p.pos.x, p.pos.y - ratio * 10);
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ellipse(p.pos.x, p.pos.y, ratio * 3, ratio * 3);
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if(p.starting > 0)
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return;
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if (!history[p.name])
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||||
history[p.name] = {
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i0: 0,
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list: new Array(hsize)
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};
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else
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history[p.name].i0 = (history[p.name].i0 + 1) % hsize;
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history[p.name].list[history[p.name].i0] = p.pos;
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}
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function drawHistory(p) {
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if (history[p.name]) {
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const h = history[p.name];
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ctx.strokeStyle = p.color;
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ctx.beginPath();
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if(!h.list[h.i0])
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return;
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ctx.moveTo(h.list[h.i0].x, h.list[h.i0].y);
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let last = h.list[h.i0];
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||||
for (let di = 1; di < hsize; di++) {
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const point = h.list[(h.i0 - di + hsize) % hsize];
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if (point){
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||||
if (Math.abs(last.x - point.x) >= 1600 * .9) {
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ctx.stroke();
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||||
ctx.moveTo(point.x, point.y);
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||||
} else if (Math.abs(last.y - point.y) >= 900 * .9) {
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||||
ctx.stroke();
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||||
ctx.moveTo(point.x, point.y);
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||||
} else {
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||||
ctx.lineTo(point.x, point.y)
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||||
}
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||||
last = point;
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||||
}else{
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||||
break;
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||||
}
|
||||
}
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||||
ctx.stroke();
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||||
}
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||||
}
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||||
function drawGame() {
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||||
ctx.clearRect(0, 0, canvas.width, canvas.height);
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||||
const ratio = canvas.height / window.innerHeight;
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||||
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||||
ctx.font = `bold ${ratio * 120}px Roboto`;
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||||
ctx.textAlign = 'center';
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||||
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||||
ctx.fillStyle = '#4b4b4b';
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||||
ctx.fillText('snex.io', canvas.width/2 - ratio * 3, canvas.height/2 + ratio*37);
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||||
ctx.fillStyle = '#545454';
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||||
ctx.fillText('snex.io', canvas.width/2, canvas.height/2 + ratio*40);
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||||
|
||||
ctx.lineCap = "round";
|
||||
ctx.lineJoin = "round";
|
||||
ctx.lineWidth = 3;
|
||||
|
||||
ctx.textAlign = 'left';
|
||||
ctx.font = `normal ${ratio * 10}px Roboto`;
|
||||
const names = Object.keys(players);
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||||
names.forEach(function (name) {
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||||
const p = players[name];
|
||||
if(p.alive)
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||||
drawPlayer(ratio, players[name]);
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||||
if (name === current.name)
|
||||
current = players[name];
|
||||
drawHistory(players[name]);
|
||||
});
|
||||
|
||||
requestAnimationFrame(drawGame);
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||||
}
|
||||
|
||||
const socket = io({
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||||
'reconnection': true,
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||||
'reconnectionDelay': 1000,
|
||||
'reconnectionDelayMax': 5000
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||||
});
|
||||
socket.on('connect', function () {
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||||
console.log('connected');
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||||
});
|
||||
socket.on('disconnect', function () {
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||||
console.log('disconnected');
|
||||
});
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||||
|
||||
socket.on('info', function(res){
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||||
current = res.self;
|
||||
history = res.history;
|
||||
hsize = res.hsize;
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||||
players = res.players;
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||||
drawGame()
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||||
});
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||||
|
||||
socket.on('players', function (p) {
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||||
players = p;
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||||
});
|
||||
|
||||
$(document).on('keydown', function (e) {
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||||
switch (e.keyCode) {
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||||
case 32://space;
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||||
current.color = 'new';
|
||||
socket.emit('update', current);
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||||
return;
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||||
case 37://left;
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||||
current.angleSpd = -1;
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||||
socket.emit('update', current);
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||||
break;
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||||
case 38://up;
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break;
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||||
case 39://right;
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||||
current.angleSpd = 1;
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||||
socket.emit('update', current);
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||||
break;
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||||
case 40://down;
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||||
break;
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||||
}
|
||||
});
|
||||
|
||||
$(document).on('keyup', function (e) {
|
||||
switch (e.keyCode) {
|
||||
case 32://space;
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||||
current.color = 'new';
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||||
socket.emit('update', current);
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||||
return;
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||||
case 37://left;
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||||
current.angleSpd = 0;
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||||
socket.emit('update', current);
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||||
break;
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||||
case 38://up;
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||||
break;
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||||
case 39://right;
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||||
current.angleSpd = 0;
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||||
socket.emit('update', current);
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||||
break;
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||||
case 40://down;
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||||
break;
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||||
}
|
||||
});
|
||||
</script>
|
||||
</body>
|
||||
</html>
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||||
Generated
+650
@@ -0,0 +1,650 @@
|
||||
{
|
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"name": "socket-chat-example",
|
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"version": "0.0.1",
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"lockfileVersion": 1,
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"requires": true,
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"negotiator": "0.6.1"
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"base64-arraybuffer": "0.1.5",
|
||||
"component-bind": "1.0.0",
|
||||
"component-emitter": "1.2.1",
|
||||
"debug": "~3.1.0",
|
||||
"engine.io-client": "~3.2.0",
|
||||
"has-binary2": "~1.0.2",
|
||||
"has-cors": "1.1.0",
|
||||
"indexof": "0.0.1",
|
||||
"object-component": "0.0.3",
|
||||
"parseqs": "0.0.5",
|
||||
"parseuri": "0.0.5",
|
||||
"socket.io-parser": "~3.2.0",
|
||||
"to-array": "0.1.4"
|
||||
},
|
||||
"dependencies": {
|
||||
"debug": {
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"version": "3.1.0",
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"resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
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||||
"integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
|
||||
"requires": {
|
||||
"ms": "2.0.0"
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
"socket.io-parser": {
|
||||
"version": "3.2.0",
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||||
"resolved": "http://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.2.0.tgz",
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||||
"integrity": "sha512-FYiBx7rc/KORMJlgsXysflWx/RIvtqZbyGLlHZvjfmPTPeuD/I8MaW7cfFrj5tRltICJdgwflhfZ3NVVbVLFQA==",
|
||||
"requires": {
|
||||
"component-emitter": "1.2.1",
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||||
"debug": "~3.1.0",
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||||
"isarray": "2.0.1"
|
||||
},
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||||
"dependencies": {
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||||
"debug": {
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||||
"version": "3.1.0",
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||||
"resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
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||||
"integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
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"requires": {
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||||
"ms": "2.0.0"
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
"statuses": {
|
||||
"version": "1.4.0",
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||||
"resolved": "https://registry.npmjs.org/statuses/-/statuses-1.4.0.tgz",
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||||
"integrity": "sha512-zhSCtt8v2NDrRlPQpCNtw/heZLtfUDqxBM1udqikb/Hbk52LK4nQSwr10u77iopCW5LsyHpuXS0GnEc48mLeew=="
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||||
},
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||||
"to-array": {
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||||
"version": "0.1.4",
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||||
"resolved": "https://registry.npmjs.org/to-array/-/to-array-0.1.4.tgz",
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||||
"integrity": "sha1-F+bBH3PdTz10zaek/zI46a2b+JA="
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||||
},
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||||
"type-is": {
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||||
"version": "1.6.16",
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||||
"resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.16.tgz",
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"integrity": "sha512-HRkVv/5qY2G6I8iab9cI7v1bOIdhm94dVjQCPFElW9W+3GeDOSHmy2EBYe4VTApuzolPcmgFTN3ftVJRKR2J9Q==",
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"requires": {
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"media-typer": "0.3.0",
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"mime-types": "~2.1.18"
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||||
}
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},
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"ultron": {
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"version": "1.1.1",
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"resolved": "https://registry.npmjs.org/ultron/-/ultron-1.1.1.tgz",
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"integrity": "sha512-UIEXBNeYmKptWH6z8ZnqTeS8fV74zG0/eRU9VGkpzz+LIJNs8W/zM/L+7ctCkRrgbNnnR0xxw4bKOr0cW0N0Og=="
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},
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"unpipe": {
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"version": "1.0.0",
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"resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
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"integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
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},
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"utils-merge": {
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||||
"version": "1.0.1",
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||||
"resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
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||||
"integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
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},
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"vary": {
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"version": "1.1.2",
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"resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
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"integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
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},
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"ws": {
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"version": "3.3.3",
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"resolved": "https://registry.npmjs.org/ws/-/ws-3.3.3.tgz",
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"integrity": "sha512-nnWLa/NwZSt4KQJu51MYlCcSQ5g7INpOrOMt4XV8j4dqTXdmlUmSHQ8/oLC069ckre0fRsgfvsKwbTdtKLCDkA==",
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"requires": {
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"async-limiter": "~1.0.0",
|
||||
"safe-buffer": "~5.1.0",
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||||
"ultron": "~1.1.0"
|
||||
}
|
||||
},
|
||||
"xmlhttprequest-ssl": {
|
||||
"version": "1.5.5",
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||||
"resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.5.tgz",
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||||
"integrity": "sha1-wodrBhaKrcQOV9l+gRkayPQ5iz4="
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},
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||||
"yeast": {
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"version": "0.1.2",
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"resolved": "https://registry.npmjs.org/yeast/-/yeast-0.1.2.tgz",
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"integrity": "sha1-AI4G2AlDIMNy28L47XagymyKxBk="
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
{
|
||||
"name": "socket-chat-example",
|
||||
"version": "0.0.1",
|
||||
"description": "my first socket.io app",
|
||||
"dependencies": {
|
||||
"color-convert": "^1.9.3",
|
||||
"express": "^4.16.4",
|
||||
"socket.io": "^2.1.1"
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,184 @@
|
||||
const app = require('express')();
|
||||
const http = require('http').Server(app);
|
||||
const io = require('socket.io')(http);
|
||||
const convert = require('color-convert');
|
||||
|
||||
app.get('/', function (req, res) {
|
||||
res.sendFile(__dirname + '/client.html');
|
||||
});
|
||||
|
||||
function randomColor() {
|
||||
return '#' + convert.hsl.hex([randInt(0, 256), randInt(50, 200), 256]);
|
||||
}
|
||||
|
||||
function randInt(min, max) {
|
||||
return Math.floor(min + Math.random() * (max - min));
|
||||
}
|
||||
|
||||
function intersects(a1, a2, b1, b2) {
|
||||
let det, gamma, lambda;
|
||||
det = (a2.x - a1.x) * (b2.y - b1.y) - (b2.x - b1.x) * (a2.y - a1.y);
|
||||
if (det === 0) {
|
||||
return false;
|
||||
} else {
|
||||
lambda = ((b2.y - b1.y) * (b2.x - a1.x) + (b1.x - b2.x) * (b2.y - a1.y)) / det;
|
||||
gamma = ((a1.y - a2.y) * (b2.x - a1.x) + (a2.x - a1.x) * (b2.y - a1.y)) / det;
|
||||
return (0 < lambda && lambda < 1) && (0 < gamma && gamma < 1);
|
||||
}
|
||||
}
|
||||
|
||||
function dist(a1,a2){
|
||||
return Math.sqrt(Math.pow(a1.x-a2.x,2)+Math.pow(a1.y-a2.y,2));
|
||||
}
|
||||
|
||||
function clone(a){
|
||||
return {x:parseFloat(a.x),y:parseFloat(a.y)};
|
||||
}
|
||||
|
||||
const HSIZE = 300;
|
||||
const MAXX = 1600;
|
||||
const MAXY = 900;
|
||||
const SPD = 5;
|
||||
const MAX_ANGLE_SPEED = Math.PI / 32;
|
||||
|
||||
const players = {};
|
||||
const history = {};
|
||||
|
||||
let upc = 0;
|
||||
let ic = 0;
|
||||
|
||||
setInterval(function () {
|
||||
//main loop
|
||||
Object.keys(players).forEach(function (name) {
|
||||
const p = players[name];
|
||||
if (p.alive) {
|
||||
const lastpos = clone(p.pos);
|
||||
p.pos.x += SPD * Math.cos(p.angle);
|
||||
p.pos.y += SPD * Math.sin(p.angle);
|
||||
p.angle += p.angleSpd;
|
||||
let exempt = false;
|
||||
if (p.pos.x > MAXX){
|
||||
p.pos.x = 0;
|
||||
exempt = true;
|
||||
}
|
||||
if (p.pos.x < 0){
|
||||
p.pos.x = MAXX;
|
||||
exempt = true;
|
||||
}
|
||||
if (p.pos.y > MAXY){
|
||||
p.pos.y = 0;
|
||||
exempt = true;
|
||||
}
|
||||
if (p.pos.y < 0){
|
||||
p.pos.y = MAXY;
|
||||
exempt = true;
|
||||
}
|
||||
|
||||
if(p.starting <= 0){
|
||||
const h = history[name];
|
||||
h.i0 = (h.i0 + 1) % HSIZE;
|
||||
h.list[h.i0] = clone(p.pos);
|
||||
}
|
||||
|
||||
if(!exempt && p.starting <= 0){
|
||||
const ds = dist(lastpos,p.pos);
|
||||
if(ds <= SPD*0.9)
|
||||
process.stdout.write(`\r${name} moved too slowly : ${ds} [${lastpos.x},${lastpos.y}]->[${p.pos.x},${p.pos.y}]\n`);
|
||||
if(ds >= SPD*1.1)
|
||||
process.stdout.write(`\r${name} moved too quickly : ${ds} [${lastpos.x},${lastpos.y}]->[${p.pos.x},${p.pos.y}]\n`);
|
||||
|
||||
Object.keys(history).forEach(function (name2) {
|
||||
if (p.alive && name !== name2) {
|
||||
const h2 = history[name2];
|
||||
let lastpoint = h2.list[h2.i0];
|
||||
if(!lastpoint)
|
||||
return;
|
||||
for (let di = 1; di < HSIZE; di++) {
|
||||
const point = h2.list[(h2.i0 - di + HSIZE) % HSIZE];
|
||||
if (point !== undefined) {
|
||||
if(Math.abs(lastpoint.x - point.x) < 1600 * .9 && Math.abs(lastpoint.y - point.y) < 900 * .9){
|
||||
ic++;
|
||||
if (intersects(lastpos, p.pos, lastpoint, point)) {
|
||||
process.stdout.write(`\r${name} collided with ${name2}\n`);
|
||||
p.alive = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
lastpoint = point;
|
||||
} else {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
if(p.starting > 0)
|
||||
p.starting -= 20;
|
||||
|
||||
}
|
||||
});
|
||||
io.emit('players', players);
|
||||
upc++;
|
||||
}, 20);
|
||||
|
||||
setInterval(function () {
|
||||
process.stdout.write(`\rtick ${20 * upc * 20 / 1000}/20 ms (${ic} intersect/s)`);
|
||||
upc = 0;
|
||||
ic = 0;
|
||||
}, 1000);
|
||||
|
||||
io.on('connection', function (socket) {
|
||||
socket.name = '#' + ('0000' + randInt(0, 10000)).slice(-4);
|
||||
process.stdout.write(`\r${socket.name} connected\n`);
|
||||
players[socket.name] = {
|
||||
pos: {
|
||||
x: randInt(100, MAXX - 100),
|
||||
y: randInt(100, MAXY - 100)
|
||||
},
|
||||
angle: Math.random() * Math.PI,
|
||||
angleSpd: 0,
|
||||
color: randomColor(),
|
||||
name: socket.name,
|
||||
alive: true,
|
||||
starting: 2000
|
||||
};
|
||||
history[socket.name] = {
|
||||
i0: -1,
|
||||
list: new Array(HSIZE)
|
||||
};
|
||||
socket.emit('info', {
|
||||
self:players[socket.name],
|
||||
players:players,
|
||||
history:history,
|
||||
hsize:HSIZE
|
||||
});
|
||||
|
||||
socket.on('disconnect', function () {
|
||||
delete players[socket.name];
|
||||
delete history[socket.name];
|
||||
process.stdout.write(`\r${socket.name} disconnected\n`);
|
||||
io.emit('players', players);
|
||||
});
|
||||
socket.on('update', function (newp) {
|
||||
const p = players[newp.name];
|
||||
if (!p) {
|
||||
socket.disconnect();
|
||||
return;
|
||||
}
|
||||
if (!p.alive)
|
||||
return;
|
||||
if (newp.color === 'new')
|
||||
players[newp.name].color = randomColor();
|
||||
if (newp.angleSpd > 0)
|
||||
players[newp.name].angleSpd = MAX_ANGLE_SPEED;
|
||||
else if (newp.angleSpd < 0)
|
||||
players[newp.name].angleSpd = -MAX_ANGLE_SPEED;
|
||||
else
|
||||
players[newp.name].angleSpd = 0;
|
||||
});
|
||||
});
|
||||
|
||||
http.listen(3001, function () {
|
||||
console.log('listening on *:3001\n');
|
||||
});
|
||||
Reference in New Issue
Block a user