manual/examples/responsive-editor.html

<!-- Licensed under a BSD license. See license.html for license -->
<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes">
    <title>Three.js - Responsive Editor</title>
    <style>
    html, body {
        height: 100%;
      margin: 0;
      font-size: 16pt;
    }
    #editor {
      display: flex;
      width: 100%;
      height: 100%;
    }
    #controls {
      background: #AAA;
      padding: 5px;
    }
    #c {
      width: 100%;
      height: 100%;
      display: block;
    }
    .gutter {
        background-color: #eee;
        background-repeat: no-repeat;
        background-position: 50%;
    }
    .gutter.gutter-horizontal {
        cursor: ew-resize;
        background-image:  url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAeCAYAAADkftS9AAAAIklEQVQoU2M4c+bMfxAGAgYYmwGrIIiDjrELjpo5aiZeMwF+yNnOs5KSvgAAAABJRU5ErkJggg==')
    }
    </style>
  </head>
  <body>
    <div id="editor">
      <div id="view"><canvas id="c"></canvas></div>
      <div id="controls">
        <div>
          <p>various controls
             would appear here</p>
           <div>Drag this bar</div>
           <div>⇐</div>
        </div>
      </div>
    </div>
  </body>
<script type="importmap">
{
  "imports": {
    "three": "../../build/three.module.js"
  }
}
</script>
<script type="module" src="threejs-responsive.js"></script>
<script src="../3rdparty/split.min.js"></script>
<script type="module">
/* global Split */

// This code is only related to handling the split.
// Our three.js code has not changed
Split( [ '#view', '#controls' ], { // eslint-disable-line new-cap
	sizes: [ 75, 25 ],
	minSize: 100,
	elementStyle: ( dimension, size, gutterSize ) => {

		return {
			'flex-basis': `calc(${size}% - ${gutterSize}px)`,
		};

	},
	gutterStyle: ( dimension, gutterSize ) => {

		return {
			'flex-basis': `${gutterSize}px`,
		};

	},
} );
</script>
</html>