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此脚本不应直接安装。它是供其他脚本使用的外部库，要使用该库请加入元指令 // @require https://update.greasyfork.icu/scripts/372703/632906/Diep%20Shaders.js
(function() {
'use strict';
var c = document.getElementById('canvas');
var ctx = c.getContext("2d");
var c2 = document.createElement('canvas');
var ctx2 = c2.getContext('2d');
var c3 = document.createElement('canvas');
var ctx3 = c3.getContext('2d');
c2.width = c.width;
c2.height = c.height;
c3.width = c.width;
c3.height = c.height;
document.getElementsByTagName('body')[0].appendChild(c2);
document.getElementsByTagName('body')[0].appendChild(c3);
c2.style.position = "absolute";
c2.style.top = "0px";
c2.style.left = "0px";
c2.style.zIndex = -1;
c3.style.position = "absolute";
c3.style.top = "0px";
c3.style.left = "0px";
c3.style.zIndex = -2;
c2.style.filter = "blur(10px) contrast(0%) saturate(0%) brightness(20%)";
window.addEventListener("resize", function() {
c2.width = c.width;
c2.height = c.height;
c3.width = c.width;
c3.height = c.height;
}, false);
var mP = { x: 0, y: 0 };
window.addEventListener("mousemove", function(e) {
mP = { x: e.clientX, y: e.clientY };
}, false);
c.style.opacity = 1;
var i = 0;
var shaderButton = document.createElement('button');
document.getElementsByTagName('body')[0].appendChild(shaderButton);
shaderButton.style = "position:absolute; top:10px; left:10px;";
shaderButton.innerHTML = "On";
shaderButton.onclick = function() {input.set_convar('ren_background', false);}
function loop1() {
i++;
ctx3.fillStyle = "hsl(0, 0%, 90%)";
ctx3.fillRect(0, 0, c2.width, c2.height);
ctx2.clearRect(0, 0, c2.width, c2.height);
ctx2.drawImage(c, 20, 20);
setTimeout(loop1, 1000 / 30);
}
loop1();
})();