"Random Moving in Canvas "
Bootstrap 3.0.0 Snippet by santanusamanta

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<link href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<div class="container">
<div class="row">
<canvas id="nokey" width="800" height="800">
</canvas>
</div>
</div>
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*{
-webkit-box-sizing: border-box;
box-sizing: border-box;
}
html, body{
height: 100%;
margin: 0;
padding: 0;
background-color: #333;
overflow: hidden;
}
canvas{
background-color: #000;
}
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var canvas = document.getElementById('nokey'),
can_w = parseInt(canvas.getAttribute('width')),
can_h = parseInt(canvas.getAttribute('height')),
ctx = canvas.getContext('2d');
// console.log(typeof can_w);
var ball = {
x: 0,
y: 0,
vx: 0,
vy: 0,
r: 0,
alpha: 1,
phase: 0
},
ball_color = {
r: 207,
g: 255,
b: 4
},
R = 2,
balls = [],
alpha_f = 0.03,
alpha_phase = 0,
// Line
link_line_width = 0.8,
dis_limit = 260,
add_mouse_point = true,
mouse_in = false,
mouse_ball = {
x: 0,
y: 0,
vx: 0,
vy: 0,
r: 0,
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