Calculer la surface d'un espace

**membreV** · 21/01/2022, 09h49

Bonjour,
Je viens juste de débuter en javascript.
Quand je lance mon projet, j'essaye de faire en sorte d'afficher automatiquement la surface de l'espace que j'ai prédéfinis.
La surface doit apparaitre sur le plan 2d de ma pièce, donc dans la partie "construction du plan".

Malheureusement, après avoir essayer beaucoup de bout de code, je n'arrive toujours pas à calculer la surface.
La surface devra etre calculer peut importe le nombre de cotés de la pièce et leurs longueurs.

Avez-vous des idées afin que ceci fonctionne ?

Dans certaines de mes tentatives, j'ai essayer de faire des conditions (si la pièce à 3 cotés, 4 cotés, etc.) ou encore j'ai essayer de prendre en compte chaque coté de la pièce mais malheureusement rien de concluant.

Merci d'avance !

Voici le lien de mon projet stocker sur mega

https://mega.nz/file/QDAj1K5D#E2gdlI...LvwePLPF2W9ID4

**membreV** · 21/01/2022, 09h56

Code la page html, index.html

Code html :

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<!DOCTYPE html>
<html>
  <head>
    <title>Architect 3D - Example</title>
 
    <link href="css/bootstrap.css" rel="stylesheet">
    <link href="css/example.css" rel="stylesheet">
 
    <script src="js/three.min.js"></script>
    <script src="js/blueprint3d.js"></script>
 
    <script src="js/jquery.js"></script>
    <script src="js/bootstrap.js"></script>
 
    <script src="js/items.js"></script>
    <script src="js/example.js"></script>
  </head>
 
  <body>
 
    <div class="container-fluid">
      <div class="row main-row">
        <!-- Left Column -->
        <div class="col-xs-3 sidebar">
          <!-- Main Navigation -->
          <ul class="nav nav-sidebar">
            <li id="floorplan_tab"><a href="#">
              Edit Floorplan
              <span class="glyphicon glyphicon-chevron-right pull-right"></span>
            </a></li>
            <li id="design_tab"><a href="#">
              Design
              <span class="glyphicon glyphicon-chevron-right pull-right"></span>
            </a></li>
            <li id="items_tab"><a href="#">
              Add Items
              <span class="glyphicon glyphicon-chevron-right pull-right"></span>
            </a></li>
          </ul>
          <hr />
 
          <!-- Context Menu -->
          <div id="context-menu">
            <div style="margin: 0 20px">
              <span id="context-menu-name" class="lead"></span>
              <br /><br />
              <button class="btn btn-block btn-danger" id="context-menu-delete">
                <span class="glyphicon glyphicon-trash"></span> 
                Delete Item
              </button>
            <br />
            <div class="panel panel-default">
              <div class="panel-heading">Adjust Size</div>
              <div class="panel-body" style="color: #333333">
 
                <div class="form form-horizontal" class="lead">
                  <div class="form-group">
                    <label class="col-sm-5 control-label">
                       Width
                    </label>
                    <div class="col-sm-6">
                      <input type="number" class="form-control" id="item-width">
                    </div>
                  </div>
                  <div class="form-group">
                    <label class="col-sm-5 control-label">
                      Depth 
                    </label>
                    <div class="col-sm-6">
                      <input type="number" class="form-control" id="item-depth">
                    </div>
                  </div>
                  <div class="form-group">
                    <label class="col-sm-5 control-label">
                      Height
                    </label>
                    <div class="col-sm-6">
                      <input type="number" class="form-control" id="item-height">
                    </div>
                  </div>
                </div>
                <small><span class="text-muted">Measurements in inches.</span></small>
              </div>
            </div>
 
            <label><input type="checkbox" id="fixed" /> Lock in place</label>
            <br /><br />
            </div>
          </div>
 
          <!-- Floor textures -->
          <div id="floorTexturesDiv" style="display:none; padding: 0 20px">
            <div class="panel panel-default">
              <div class="panel-heading">Adjust Floor</div>
              <div class="panel-body" style="color: #333333">
 
                <div class="col-sm-6" style="padding: 3px">
                  <a href="#" class="thumbnail texture-select-thumbnail" texture-url="rooms/textures/light_fine_wood.jpg" texture-stretch="false" texture-scale="300">
                    <img alt="Thumbnail light fine wood" src="rooms/thumbnails/thumbnail_light_fine_wood.jpg" />
                  </a>
                </div>
              </div>
            </div>
          </div>
 
          <!-- Wall Textures -->
          <div id="wallTextures" style="display:none; padding: 0 20px">
            <div class="panel panel-default">
              <div class="panel-heading">Adjust Wall</div>
              <div class="panel-body" style="color: #333333">
                <div class="col-sm-6" style="padding: 3px">
                  <a href="#" class="thumbnail texture-select-thumbnail" texture-url="rooms/textures/marbletiles.jpg" texture-stretch="false" texture-scale="300">
                    <img alt="Thumbnail marbletiles" src="rooms/thumbnails/thumbnail_marbletiles.jpg" />
                  </a>
                </div>
                <div class="col-sm-6" style="padding: 3px">
                  <a href="#" class="thumbnail texture-select-thumbnail" texture-url="rooms/textures/wallmap_yellow.png" texture-stretch="true" texture-scale="">
                    <img alt="Thumbnail wallmap yellow" src="rooms/thumbnails/thumbnail_wallmap_yellow.png" />
                  </a>
                </div>
                <div class="col-sm-6" style="padding: 3px">
                  <a href="#" class="thumbnail texture-select-thumbnail" texture-url="rooms/textures/light_brick.jpg" texture-stretch="false" texture-scale="100">
                    <img alt="Thumbnail light brick" src="rooms/thumbnails/thumbnail_light_brick.jpg" />
                  </a>
                </div>
              </div>
            </div>
          </div>
        </div>
 
        <!-- Right Column -->
        <div class="col-xs-9 main">
 
          <!-- 3D Viewer -->
          <div id="viewer">
 
            <div id="main-controls">
              <a href="#" class="btn btn-default btn-sm" id="new">
                New Plan
              </a>
              <a href="#" class="btn btn-default btn-sm" id="saveFile">
                Save Plan
              </a>
              <a class="btn btn-sm btn-default btn-file">
               <input type="file" class="hidden-input" id="loadFile">
               Load Plan
              </a>
            </div>
 
            <div id="camera-controls">
              <a href="#" class="btn btn-default bottom" id="zoom-out">
                <span class="glyphicon glyphicon-zoom-out"></span>
              </a>
              <a href="#" class="btn btn-default bottom" id="reset-view">
                <span class="glyphicon glyphicon glyphicon-home"></span>
              </a>
              <a href="#" class="btn btn-default bottom" id="zoom-in">
                <span class="glyphicon glyphicon-zoom-in"></span>
              </a>
 
              <span>&nbsp;</span>
 
              <a class="btn btn-default bottom" href="#" id="move-left" >
                <span class="glyphicon glyphicon-arrow-left"></span>
              </a>
              <span class="btn-group-vertical">
                <a class="btn btn-default" href="#" id="move-up">
                  <span class="glyphicon glyphicon-arrow-up"></span>
                </a>
                <a class="btn btn-default" href="#" id="move-down">
                  <span class="glyphicon glyphicon-arrow-down"></span>
                </a>
              </span>
              <a class="btn btn-default bottom" href="#" id="move-right" >
                <span class="glyphicon glyphicon-arrow-right"></span>
              </a>
            </div>
 
            <div id="loading-modal">
              <h1>Loading...</h1>  
            </div>
          </div>
 
          <!-- 2D Floorplanner -->
          <div id="floorplanner">
            <canvas id="floorplanner-canvas"></canvas>
            <div id="floorplanner-controls">
 
              <button id="move" class="btn btn-sm btn-default">
                <span class="glyphicon glyphicon-move"></span>
                Move Walls
              </button>
              <button id="draw" class="btn btn-sm btn-default">
                <span class="glyphicon glyphicon-pencil"></span>
                Draw Walls
              </button>
              <button id="delete" class="btn btn-sm btn-default">
                <span class="glyphicon glyphicon-remove"></span>
                Delete Walls
              </button>
              <span class="pull-right">
                <button class="btn btn-primary btn-sm" id="update-floorplan">Done &raquo;</button>
              </span>
 
            </div>
            <div id="draw-walls-hint">
              Press the "Esc" key to stop drawing walls
            </div>
          </div>
 
          <!-- Add Items -->
          <div id="add-items">
            <div class="row" id="items-wrapper">
 
              <!-- Items added here by items.js -->
            </div>
          </div>
 
        </div>
        <!-- End Right Column -->
      </div>
    </div>
 
  </body>
</html>

**mathieu** · 21/01/2022, 18h42

d'après ce que j'ai compris, vous devez découper les surface en triangles pour calculer l'air totale :
https://www.baeldung.com/cs/2d-polygon-area

Calculer la surface d'un espace

JavaScript

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