80 lines
2 KiB
HTML
80 lines
2 KiB
HTML
{% if april == 2021 %}
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<script type="text/javascript" charset="utf-8">
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function rotace(vektor, uhel_deg) {
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var uhel = uhel_deg *(Math.PI / 180);
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var x = vektor[0];
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var y = vektor[1];
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return [x*Math.cos(uhel) - y*Math.sin(uhel), x*Math.sin(uhel) + y*Math.cos(uhel)];
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}
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function rotace_a_posun(obj, uhel) {
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var ow = obj.width();
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var oh = obj.height();
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var rohy = [[0,0], [0,oh], [ow, 0], [ow, oh]];
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var minx = 0;
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var miny = 0;
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for (var roh of rohy) {
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var otoceny = rotace(roh, uhel);
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if (otoceny[0] < minx) {
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minx = otoceny[0];
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}
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if (otoceny[1] < miny) {
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miny = otoceny[1];
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}
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}
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miny *= -1;
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minx *= -1;
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var transf_str = "translateX("+minx+"px) translateY("+miny+"px) rotate("+uhel+"deg)";
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obj.css('transform-origin', 'top left');
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obj.css('transform', transf_str);
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}
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function randomUhel() {
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return Math.floor(360*Math.random());
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}
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$('.kontejner').css('margin', 0);
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rotace_a_posun($('.kontejner'), randomUhel());
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</script>
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{% endif %}
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{% if april == 2023 %}
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<script>
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{# By https://stackoverflow.com/a/34559316 #}
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function walkText(node) {
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if (node.nodeType == 3) {
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node.data = node.data.replace(/M&M/g, "M💘M");
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}
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if (node.nodeType == 1 && node.nodeName != "SCRIPT") {
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for (var i = 0; i < node.childNodes.length; i++) {
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walkText(node.childNodes[i]);
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}
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}
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}
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walkText(document.body);
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</script>
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{% endif %}
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{% if april == 2024 %}
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<script>
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{# By https://stackoverflow.com/a/34559316 #}
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function walkText(node) {
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if (node.nodeType == 3) {
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node.data = node.data.replace(/M&M/g, "W8W");
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}
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if (node.nodeType == 1 && node.nodeName != "SCRIPT") {
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for (var i = 0; i < node.childNodes.length; i++) {
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walkText(node.childNodes[i]);
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}
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}
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}
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walkText(document.body);
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</script>
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{% endif %}
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