Created
September 19, 2015 15:02
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timerVar = {} | |
dw = document.documentElement.clientWidth | |
dh = document.documentElement.clientHeight | |
generator = () -> | |
return {x: Math.random() * 600, y: Math.random() * 600} | |
dot_array = [] | |
for v in [0..60] | |
dot_array.push generator() | |
step = 0 | |
color = (r,g,b) -> 'rgb(' + [r, g, b].toString() + ')' | |
Draw = (ctx) -> | |
ctx.fillStyle = 'rgba(' + [255, 255, 255, 0.8].toString() + ')' | |
ctx.fillRect(0,0,600,600) | |
connected = {} | |
for i in dot_array | |
ctx.fillStyle = 'rgb(' + [5, 255, 151].toString() + ')' | |
ctx.lineWidth = 1 | |
ctx.beginPath() | |
ctx.arc(i.x, i.y, 3, 0, 2 * Math.PI) | |
ctx.fill() | |
counter_dict = {} | |
counter_dict[key] = 0 for key in [0...dot_array.length] | |
for i in [0...dot_array.length] | |
for j in [0...dot_array.length] | |
if not (i is j) | |
key = if i < j then [i, j] else [j, i] | |
key = '(' + key.toString() + ')' | |
if connected.hasOwnProperty(key) | |
continue | |
x1 = dot_array[i].x | |
y1 = dot_array[i].y | |
x2 = dot_array[j].x | |
y2 = dot_array[j].y | |
d = Math.sqrt(((x1-x2)**2) + ((y1-y2)**2)) | |
if d < 90 | |
connected[key] = 1 | |
f = color(d, 190, 233) | |
console.log(f) | |
ctx.strokeStyle = color((23 + Math.round(d))*2, 210, 233) | |
ctx.beginPath() | |
ctx.lineWidth = 1 | |
ctx.moveTo(x1, y1) | |
ctx.lineTo(x2, y2) | |
ctx.stroke() | |
counter_dict[i] += 1 | |
counter_dict[j] += 1 | |
for i, index in dot_array | |
if counter_dict[index] > 6 | |
ctx.strokeStyle = color(215, 155, 251) | |
ctx.lineWidth = 2 | |
ctx.beginPath() | |
ctx.arc(i.x, i.y, 13, 0, 2 * Math.PI) | |
ctx.stroke() | |
pii = Math.random() * 2 * Math.PI | |
xoffset = Math.sin(pii) * 2 | |
yoffset = Math.cos(pii) * 2 | |
i.x += xoffset | |
i.y += yoffset | |
if not ( 0 < i.x < 600) | |
i.x = Math.random() * 600 | |
if not ( 0 < i.y < 600) | |
i.y = Math.random() * 600 | |
removeTimer = () -> | |
window.clearInterval timerVar | |
addTimer = (ctx) -> | |
removeTimer() # remove any existing timer | |
timerVar = setInterval((-> | |
Draw(ctx) | |
return | |
), 50) | |
$(document).ready( () -> | |
ctx = $("canvas")[0].getContext('2d'); | |
$('.start').click( -> addTimer(ctx) ) | |
$('.end').click( -> removeTimer() ) | |
) | |
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