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new pattern mechanism

This commit is contained in:
Micho 2013-05-18 17:53:47 +02:00
parent f1cec30c40
commit 049d9146f9
1 changed files with 19 additions and 6 deletions
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25
clients/anim/main.js
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@ -12,6 +12,7 @@ var frameDuration = 50;
var interval;
var time2index = [];
var random = [];
var circlePoints = [];
$(function () {
init();
@ -46,6 +47,20 @@ function init() {
while (data.times[index+1] <= time) index++;
time2index[time] = index;
}
for (var i = -100; i < 100; i++) {
for (var j = -100; j < 100; j++) {
//var x = i + (j % 2)/2, y = j * Math.sqrt(0.75);
var x = i, y = j;
var r = Math.round(Math.sqrt(x*x + y*y)*100);
var a = Math.atan2(y,x);
circlePoints.push({x:x,y:y,r:r,a:a});
}
}
circlePoints = circlePoints.sort( function (a,b) { return (a.r == b.r) ? (a.a - b.a) : (a.r - b.r);} );
circlePoints.length = 2000;
}
function start() {
@ -111,14 +126,12 @@ function updateData() {
points.forEach(function (clientList, pointIndex) {
var point = data.points[pointIndex];
var x0 = point.x*width;
var y0 = point.y*height;
var x0 = Math.round(point.x*width);
var y0 = Math.round(point.y*height);
clientList.forEach(function (clientIndex, index) {
var client = clients[clientIndex];
var a = Math.sqrt(index)*4;
var r = Math.sqrt(index)*1.5;
client.x0 = x0 + Math.cos(a)*r;
client.y0 = y0 + Math.sin(a)*r;
client.x0 = x0 + circlePoints[index].x*3;
client.y0 = y0 + circlePoints[index].y*3;
if (client.x === undefined) {
client.x = client.x0;
client.y = client.y0;