pixelnode/public/main.js

93 lines
2.3 KiB
JavaScript

'use strict';
(function() {
var stats = document.getElementsByClassName('stats')[0];
var play = document.getElementsByClassName('play')[0];
var socket = io();
var canvas = document.getElementsByClassName('display')[0];
var context = canvas.getContext('2d');
var canvas_size_x = 100;
var canvas_size_y = 100;
socket.on('setting', onSetting);
socket.on('drawn', onDrawn);
socket.on('draw', onDraw);
socket.on('stats', onStats);
window.addEventListener('resize', onResize, false);
onResize();
function onSetting(data) {
canvas_size_x = data.canvas.size.x;
canvas_size_y = data.canvas.size.y;
var out = 'Play PixelFlut @ ';
if (data.network.ip4 != '') {
out += 'IP4 ' + data.network.ip4 + ' ';
}
if (data.network.ip4 != '' && data.network.ip6 != '') {
out += '|| ';
}
if (data.network.ip6 != '') {
out += 'IP6 ' + data.network.ip6 + ' ';
}
out += 'port ' + data.network.port;
play.innerHTML = out;
}
function drawLine(x0, y0, x1, y1, color){
context.beginPath();
context.moveTo(x0, y0);
context.lineTo(x1, y1);
context.strokeStyle = color;
context.lineWidth = 2;
context.stroke();
context.closePath();
}
function drawPixel(x, y, color){
context.fillStyle = '#' + color;
context.fillRect(x - (canvas.width * (0.5/canvas_size_x)),y - (canvas.height * (0.5/canvas_size_y)), canvas.width * (1/canvas_size_x), canvas.height * (1/canvas_size_y));
}
function onDraw(data){
var w = canvas.width;
var h = canvas.height;
if (data.type == 'pixel') {
drawPixel((data.x / canvas_size_x) * w, (data.y / canvas_size_y) * h, data.color);
}
}
function onDrawn(data){
console.log(data);
var w = canvas.width;
var h = canvas.height;
data.forEach(function (d, x){
if (d !== null) {
d.forEach(function (c, y) {
if (c !== null) {
drawPixel((x / canvas_size_x) * w, (y / canvas_size_y) * h, c);
}
});
}
});
}
function onStats(data) {
stats.innerHTML = 'px/s: ' + data.pixel + ' connections: ' + data.connections;
}
// make the canvas fill its parent
function onResize() {
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
}
})();