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Takepoint.io - laser sight

very useless but here you go ig

  1. // ==UserScript==
  2. // @name         Takepoint.io - laser sight
  3. // @namespace    http://tampermonkey.net/
  4. // @version      1
  5. // @description  very useless but here you go ig
  6. // @author       You
  7. // @match        https://takepoint.io
  8. // @icon         https://www.google.com/s2/favicons?domain=greasyfork.org
  9. // @grant        none
  10. // ==/UserScript==
  11.  
  12. (function() {
  13.     'use strict';
  14.  
  15.     var canvas2 = document.createElement('canvas')
  16.     canvas2.width = window.innerWidth * window.devicePixelRatio;
  17.     canvas2.height = window.innerHeight * window.devicePixelRatio;
  18.     canvas2.style.width = canvas2.width / window.devicePixelRatio + "px";
  19.     canvas2.style.height = canvas2.height / window.devicePixelRatio + "px"
  20.     canvas2.style.zIndex = '9999'
  21.     document.body.appendChild(canvas2)
  22.     var center = [canvas2.width/2, canvas2.height/2]
  23.     var ctx = canvas2.getContext("2d")
  24.     var xratio = canvas2.width / window.innerWidth
  25.     var yratio = canvas2.height/ window.innerHeight
  26.     ctx.scale(xratio, yratio)
  27.     var mouse = {
  28.         'x': 1,
  29.         'y': 1
  30.     }
  31.  
  32.     document.addEventListener('mousemove', function(event) {
  33.         mouse.x = event.clientX
  34.         mouse.y = event.clientY
  35.     })
  36.  
  37.     setInterval(() => {
  38.         ctx.clearRect(0, 0, canvas2.width, canvas2.height)
  39.  
  40.         var coords = extend(mouse, {'x':window.innerWidth/2,'y':window.innerHeight/2}, 0, window.innerWidth, 0, window.innerHeight)
  41.         if(mouse.x > window.innerWidth/2) {
  42.             drawLine(window.innerWidth/2, window.innerHeight/2, Math.round(coords[1].x), Math.round(coords[1].y))
  43.         }
  44.         else {
  45.             drawLine(window.innerWidth/2, window.innerHeight/2, Math.round(coords[0].x), Math.round(coords[0].y))
  46.         }
  47.     }, 16)
  48.  
  49.     function drawLine(startX, startY, endX, endY) {
  50.         ctx.strokeStyle = "#FF0000"
  51.         ctx.globalAlpha = 0.7
  52.         ctx.beginPath()
  53.         ctx.moveTo(startX, startY)
  54.         ctx.lineTo(endX, endY)
  55.         ctx.stroke()
  56.         ctx.globalAlpha = 1
  57.     }
  58.  
  59.  
  60.     function extend(p, q, x0, x1, y0, y1) {
  61.         var dx = q.x - p.x;
  62.         var dy = q.y - p.y;
  63.         if (dx === 0) return [{x: p.x, y: y0}, {x: p.x, y: y1}];
  64.         var slope = dy / dx;
  65.  
  66.         var y_at_x0 = slope * (x0 - p.x) + p.y;
  67.         var y_at_x1 = slope * (x1 - p.x) + p.y;
  68.         var x_at_y0 = (y0 - p.y) / slope + p.x;
  69.         var x_at_y1 = (y1 - p.y) / slope + p.x;
  70.  
  71.         var r, s;
  72.         if (y_at_x0 < y0) r = {x: x_at_y0, y: y0};
  73.         else if (y_at_x0 <= y1) r = {x: x0, y: y_at_x0};
  74.         else r = {x: x_at_y1, y: y1};
  75.  
  76.         if (y_at_x1 < y0) s = {x: x_at_y0, y: y0};
  77.         else if (y_at_x1 <= y1) s = {x: x1, y: y_at_x1};
  78.         else s = {x: x_at_y1, y: y1};
  79.  
  80.         return [r, s];
  81.     }
  82. })();