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alphaland snow :)

This commit is contained in:
Astrologies 2021-12-16 02:29:29 -05:00
parent c34c18a46e
commit b812cec906
4 changed files with 161 additions and 2 deletions
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3
globals/functions.php
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@ -5231,7 +5231,8 @@ function getCSS($studio=false)
<script src="https://code.jquery.com/jquery-3.5.1.min.js" integrity="sha256-9/aliU8dGd2tb6OSsuzixeV4y/faTqgFtohetphbbj0=" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.11.0/umd/popper.min.js" integrity="sha384-b/U6ypiBEHpOf/4+1nzFpr53nxSS+GLCkfwBdFNTxtclqqenISfwAzpKaMNFNmj4" crossorigin="anonymous"></script>
<script type="text/javascript" src="https://www.alphaland.cc/alphaland/js/bootstrap.min.js?version='.$GLOBALS['jsversion'].'"></script>
<script type="text/javascript" src="https://www.alphaland.cc/alphaland/js/utilities.js?version='.$GLOBALS['jsversion'].'"></script>'; //alphaland utilities js
<script type="text/javascript" src="https://www.alphaland.cc/alphaland/js/utilities.js?version='.$GLOBALS['jsversion'].'"></script>
<script src="https://www.alphaland.cc/alphaland/js/snowfall/canvas-snow.js?version='.$GLOBALS['jsversion'].'"></script>';
}
//end theme stuff

2
globals/pageHandler.php
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@ -26,7 +26,7 @@ class page_handler {
<title>%s</title>
%s
</head>
<body>
<body id="alphaland-main-body">
%s
%s
%s

21
html/alphaland/js/snowfall/LICENSE.md Normal file
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@ -0,0 +1,21 @@
# The MIT License (MIT)
Copyright (c) 2015 Eliot Fallon and contributors
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

137
html/alphaland/js/snowfall/canvas-snow.js Normal file
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@ -0,0 +1,137 @@
// jshint devel:true
'use strict';
/*
* A JS plugin which will apply snowfall to an element. Gives the element a class called fallback if canvas isn't supported.
*/
var requestAnimationFrame =
window.requestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.msRequestAnimationFrame ||
window.oRequestAnimationFrame ||
function(callback) {
return setTimeout(callback, 1);
};
function Blizzard(parentId) {
//Set up required variables
var parent = document.getElementById(parentId);
parent.style.position = "relative";
//Build canvas and prepend it
var c = document.createElement("canvas");
c.className = c.className + " falling-snow";
parent.insertBefore(c, parent.firstChild);
c.style.position = 'absolute';
//Set up initial vars
var W = (parent)? parent.clientWidth : window.innerWidth;
var H = (parent)? parent.clientHeight : window.innerHeight;
var numFlakes =0;
var flakes = [];
var ctx = c.getContext("2d");
//
//Test for canvas
if(!!(c.getContext && c.getContext('2d'))) {
//Canvas exists
setPositions();
drawSnowflakes();
} else {
//Add fallback class if there's no canvas available
c.className = c.className + " fallback";
}
//Give each snowflake a random position
function setPositions() {
//canvas dimensions
W = (parent)? parent.clientWidth : window.innerWidth;
H = (parent)? parent.clientHeight : window.innerHeight;
c.width = W;
c.height = H;
//This varies the number of snowflakes showing dependent on size of the element
numFlakes = Math.floor(W / 25);
ctx.clearRect(0, 0, W, H);
//snowflake flakes
flakes = [];
for (var i = 0; i < numFlakes; i++) {
flakes.push({
x: Math.random() * W, //x-coordinate
y: Math.random() * H, //y-coordinate
r: Math.random() * 9 + 1 //radius
});
}
window.addEventListener("resize", setPositions);
}
//Long function which we could tidy up
function drawSnowflakes() {
ctx.clearRect(0, 0, W, H);
ctx.fillStyle = "rgba(255, 255, 255, 0.8)";
ctx.beginPath();
for (var i = 0; i < numFlakes; i++) {
var p = flakes[i];
ctx.moveTo(p.x, p.y);
ctx.arc(p.x, p.y, p.r, 0, Math.PI * 2, true);
}
ctx.fill();
var angle = 0;
for (var i = 0; i < numFlakes; i++) {
angle += 0.01;
var p = flakes[i];
//Updating X and Y coordinates
p.y += (Math.cos(angle) + 0.5 + p.r) / 8;
p.x += Math.sin(angle) * 2;
//Checks if flakes has left screen
if (p.x > W + 5 || p.x < -5 || p.y > H) {
if (i % 3 > 0) {
flakes[i] = {
x: Math.random() * W,
y: -10,
r: p.r,
d: p.d
};
} else {
//If the flake has exited from the right
if (p.x > W) {
//Enter from the left
flakes[i] = {
x: -5,
y: Math.random() * H,
r: p.r
};
} else {
//Enter from the right
flakes[i] = {
x: W + 5,
y: Math.random() * H,
r: p.r
};
}
}
}
}
requestAnimationFrame(drawSnowflakes);
};
}