freifunk/ffmap-backend
0
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

pacman foo

Browse source
This commit is contained in:
Nils Schneider 2012-06-09 02:26:19 +02:00
parent 54feeea4cd
commit 6e3d4a9fca
1 changed files with 52 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

51
html/force.js
View file

@ -176,6 +176,12 @@ vis.append("g").attr("class", "links")
vis.append("g").attr("class", "nodes")
var pm = vis.append("path")
.style("fill", "#ff0")
.style("stroke", "#000")
.style("stroke-width", 2.5)
.style("stroke-linejoin", "round")
var linkedByIndex
var force = d3.layout.force()
@ -199,6 +205,13 @@ var force = d3.layout.force()
}
})
var angle = d3.scale.linear()
.domain([0, 1, 2, 3])
.range([0.01, Math.PI/4, 0.01, Math.PI/4])
var a = 0
var p = {x: 0, y: 0}
force.on("tick", function() {
var size = force.size()
var nodes = force.nodes()
@ -226,6 +239,44 @@ force.on("tick", function() {
vis.selectAll(".node").attr("transform", function(d) {
return "translate(" + d.x + "," + d.y + ")";
})
a = (a + 0.10)%2
pm.attr("d", d3.svg.arc().innerRadius(0)
.outerRadius(24).endAngle(-angle(a) + Math.PI/2 + 2*Math.PI).startAngle(angle(a) + Math.PI/2))
var closest = null
var dd = Infinity;
for (i = 0; i < n; i++) {
var o = nodes[i]
if (o.dead)
continue
var d = Math.pow((o.x - p.x),2) + Math.pow( o.y - p.y, 2)
if (d < dd) {
dd = d
closest = o
}
}
var dx = closest.x - p.x
var dy = closest.y - p.y
var d = Math.sqrt(Math.pow(dx,2) + Math.pow(dy,2))
dx = dx/d
dy = dy/d
if (d>1) {
p.x += dx
p.y += dy
} else {
closest.dead = true
}
pm.attr("transform", "matrix(" + [dx, dy, -dy, dx, p.x, p.y].join(",") + ")")
})
var data