sunrize/src/Components/Geometry3D/Cone.js

A Multi-Platform X3D Editor

const X3D = require ("../../X3D");

Object .assign (X3D .Cone .prototype,
{
   toPrimitive (executionContext = this .getExecutionContext ())
   {
      const
         browser   = this .getBrowser (),
         geometry  = browser .getConeOptions () .getSideGeometry () .copy (executionContext),
         radius    = this ._bottomRadius .getValue (),
         height1_2 = this ._height .getValue () / 2;

      geometry ._metadata    = this ._metadata;
      geometry ._coordIndex  = [ ];
      geometry ._normalIndex = [ ];
      geometry ._solid       = this ._solid;
      geometry ._creaseAngle = Math .PI;

      geometry ._texCoord = geometry ._texCoord .getValue () .copy (executionContext);
      geometry ._normal   = null;
      geometry ._coord    = geometry ._coord    .getValue () .copy (executionContext);

      for (const point of geometry ._coord .point)
      {
         point .x *= radius;
         point .y *= height1_2;
         point .z *= radius;
      }

      if (this ._side .getValue ())
      {
         const last = geometry ._coord .point .length - 1;

         for (const index of browser .getConeOptions () .getSideGeometry () ._coordIndex)
         {
            if (index < 0 || index !== last)
            {
               geometry ._coordIndex .push (index);
            }
            else
            {
               geometry ._coordIndex .push (geometry ._coord .point .length);
               geometry ._coord .point .push (geometry ._coord .point [index]);
            }
         }
      }
      else
      {
         geometry ._texCoordIndex .length = 0;
      }

      if (this ._bottom .getValue ())
      {
         for (const index of browser .getConeOptions () .getBottomGeometry () ._texCoordIndex)
            geometry ._texCoordIndex .push (index);

         for (const index of browser .getConeOptions () .getBottomGeometry () ._coordIndex)
         {
            if (index < 0)
            {
               geometry ._coordIndex .push (-1);
            }
            else
            {
               geometry ._coordIndex .push (geometry ._coord .point .length);
               geometry ._coord .point .push (geometry ._coord .point [index]);
            }
         }
      }

      // geometry .optimize ();

      geometry ._texCoord .getValue () .setup ();
      geometry ._coord    .getValue () .setup ();
      geometry .setup ();

      return geometry;
   },
});