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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,175 @@ | ||
| <!DOCTYPE html> | ||
| <html> | ||
| <head> | ||
| <meta charset="utf-8"> | ||
| <!-- Copyright (C) 2024 Beckett Berberich and Isaac Kamionkowski. All rights reserved. --> | ||
| <title>Triangle Calculator</title> | ||
| <style> | ||
| .tool { | ||
| position: absolute; | ||
| top: 10%; | ||
| bottom: 0; | ||
| left: 0; | ||
| right: 0; | ||
| display: none; | ||
| } | ||
|
|
||
| tr { | ||
| padding: 5px; | ||
| } | ||
|
|
||
| td { | ||
| padding: 5px; | ||
| } | ||
| </style> | ||
| </head> | ||
| <body> | ||
| <noscript>You must have JavaScript enabled to use this.</noscript> | ||
| <table style="margin: 0 auto; width: 500px; margin-top: 10%;"> | ||
| <tr> | ||
| <td> | ||
| <table> | ||
| <tr> | ||
| <td><button id="drg" onclick="drg();">Degrees</button></td> | ||
| <td></td> | ||
| <td></td> | ||
| </tr> | ||
| <tr> | ||
| <td>Angle</td> | ||
| <td><button id="t_swp" onclick="swp('t_swp');">Input</button></td> | ||
| <td><input id="t" type="number" step="any" min="-999999" max="999999" width="10"></td> | ||
| </tr> | ||
| <tr> | ||
| <td>Adjacent</td> | ||
| <td><button id="a_swp" onclick="swp('a_swp');">Input</button></td> | ||
| <td><input id="a" type="number" step="any" min="-999999" max="999999" width="10"></td> | ||
| </tr> | ||
| <tr> | ||
| <td>Opposite</td> | ||
| <td><button id="o_swp" onclick="swp('o_swp');">Input</button></td> | ||
| <td><input id="o" type="number" step="any" min="-999999" max="999999" width="10"></td> | ||
| </tr> | ||
| <tr> | ||
| <td>Hypotenuse</td> | ||
| <td><button id="h_swp" onclick="swp('h_swp');">Input</button></td> | ||
| <td><input id="h" type="number" step="any" min="-999999" max="999999" width="10"></td> | ||
| </tr> | ||
| <tr> | ||
| <td><button id="main" onclick="compute();">Calculate</button></td> | ||
| </tr> | ||
| </table> | ||
| </td> | ||
| <td> | ||
| <img src="https://2dskyblokc.github.io/triangle.png" width="300" height="300" alt="A diagram of a triangle, with angle, hypotenuse, adjacent, opposite marked." style="display: inline-block;"> | ||
| </td> | ||
| </tr> | ||
| <tr> | ||
| <table style="margin: 0 auto; width: 250px;"> | ||
| <tr> | ||
| <td>Sin:</td> | ||
| <td id="sin"></td> | ||
| <td>Csc:</td> | ||
| <td id="csc"></td> | ||
| </tr> | ||
| <tr> | ||
| <td>Cos:</td> | ||
| <td id="cos"></td> | ||
| <td>Sec:</td> | ||
| <td id="sec"></td> | ||
| </tr> | ||
| <tr> | ||
| <td>Tan:</td> | ||
| <td id="tan"></td> | ||
| <td>Cot:</td> | ||
| <td id="cot"></td> | ||
| </tr> | ||
| </table> | ||
| </tr> | ||
| </table> | ||
| <script> | ||
|
|
||
| let ostates = { | ||
| t_swp: false, | ||
| a_swp: false, | ||
| o_swp: false, | ||
| h_swp: false, | ||
| }; | ||
|
|
||
| let drgV = 180/Math.PI; | ||
|
|
||
| function compute() { | ||
| if ((+ostates.t_swp + ostates.a_swp + ostates.o_swp + ostates.h_swp) > 2) { | ||
| alert('Must have less than 3 outputs'); | ||
| return; | ||
| }; | ||
| let t_elt = document.getElementById('t'); | ||
| let a_elt = document.getElementById('a'); | ||
| let o_elt = document.getElementById('o'); | ||
| let h_elt = document.getElementById('h'); | ||
| let t = parseFloat(t_elt.value); | ||
| let a = parseFloat(a_elt.value); | ||
| let o = parseFloat(o_elt.value); | ||
| let h = parseFloat(h_elt.value); | ||
| if (ostates.t_swp) { | ||
| if (ostates.a_swp) { | ||
| t = Math.asin(o/h)*drgV; | ||
| a = Math.sqrt(h**2 - o**2); | ||
| } else if (ostates.o_swp) { | ||
| t = Math.acos(a/h)*drgV; | ||
| o = Math.sqrt(h**2 - a**2); | ||
| } else { | ||
| t = Math.atan(o/a)*drgV; | ||
| h = Math.sqrt(a**2 + o**2); | ||
| }; | ||
| } else { | ||
| if (!ostates.a_swp) { | ||
| o = a*Math.tan(t/drgV); | ||
| h = a/Math.cos(t/drgV); | ||
| } else if (!ostates.o_swp) { | ||
| a = o/Math.tan(t/drgV); | ||
| h = o/Math.sin(t/drgV); | ||
| } else { | ||
| o = h*Math.sin(t/drgV); | ||
| a = h*Math.cos(t/drgV); | ||
| }; | ||
| }; | ||
| t_elt.value = t; | ||
| a_elt.value = a; | ||
| o_elt.value = o; | ||
| h_elt.value = h; | ||
| document.getElementById('sin').textContent = Math.sin(t/drgV); | ||
| document.getElementById('cos').textContent = Math.cos(t/drgV); | ||
| document.getElementById('tan').textContent = Math.tan(t/drgV); | ||
| document.getElementById('cot').textContent = 1/Math.sin(t/drgV); | ||
| document.getElementById('sec').textContent = 1/Math.cos(t/drgV); | ||
| document.getElementById('csc').textContent = 1/Math.tan(t/drgV); | ||
| }; | ||
|
|
||
| function drg() { | ||
| let elt = document.getElementById("drg"); | ||
| const curr = elt.textContent; | ||
| if (curr == "Degrees") { | ||
| elt.textContent = "Radians"; | ||
| drgV= 1; | ||
| } else if (curr == "Radians") { | ||
| elt.textContent = "Gradians"; | ||
| drgV = 200/Math.PI; | ||
| } else { | ||
| elt.textContent = "Degrees"; | ||
| drgV = 180/Math.PI; | ||
| }; | ||
| }; | ||
|
|
||
| function swp(id) { | ||
| let elt = document.getElementById(id); | ||
| if (elt.textContent == "Input") { | ||
| elt.textContent = "Output"; | ||
| } else { | ||
| elt.textContent = "Input"; | ||
| }; | ||
| ostates[id] = !ostates[id]; | ||
| }; | ||
|
|
||
| </script> | ||
| </body> | ||
| </html> |