Color =  vec4(color, uD);
    }
  </script>

  <script type="text/javascript">
    'use strict';

    // Global variables to be used across application
    let gl, program, scene, clock, camera, transforms, lights,
      floor, selectedCar, lightPositions, carModelData,
      clearColor = [0.9, 0.9, 0.9];

    // Configure application
    function configure() {
      // Configure `canvas`
      const canvas = utils.getCanvas('webgl-canvas');
      utils.autoResizeCanvas(canvas);

      // Configure `gl`
   