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mobile-query-three-plugins-cannonjs-vendor-cannon.js-libs-Detector.js / js



  

author: alteredq / alteredqualia.com/
author: mr.doob / mrdoob.com/

  
  
  Detector = {
  
          canvas: !! window.CanvasRenderingContext2D,
          webgl: ( function () { try { return !! window.WebGLRenderingContext && !! document.createElement( 'canvas' ).getContext( 'experimental-webgl' ); } catch( e ) { return false; } } )(),
          workers: !! window.Worker,
          fileapi: window.File && window.FileReader && window.FileList && window.Blob,
  
          getWebGLErrorMessage: function () {
  
                  var element = document.createElement( 'div' );
                  element.id = 'webgl-error-message';
                  element.style.fontFamily = 'monospace';
                  element.style.fontSize = '13px';
                  element.style.fontWeight = 'normal';
                  element.style.textAlign = 'center';
                  element.style.background = '#fff';
                  element.style.color = '#000';
                  element.style.padding = '1.5em';
                  element.style.width = '400px';
                  element.style.margin = '5em auto 0';
  
                  if ( ! this.webgl ) {
  
                          element.innerHTML = window.WebGLRenderingContext ? [
                                  'Your graphics card does not seem to support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation" style="color:#000">WebGL</a>.<br />',
                                  'Find out how to get it <a href="http://get.webgl.org/" style="color:#000">here</a>.'
                          ].join( '\n' ) : [
                                  'Your browser does not seem to support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation" style="color:#000">WebGL</a>.<br/>',
                                  'Find out how to get it <a href="http://get.webgl.org/" style="color:#000">here</a>.'
                          ].join( '\n' );
  
                  }
  
                  return element;
  
          },
  
          addGetWebGLMessage: function ( parameters ) {
  
                  var parent, id, element;
  
                  parameters = parameters || {};
  
                  parent = parameters.parent !== undefined ? parameters.parent : document.body;
                  id = parameters.id !== undefined ? parameters.id : 'oldie';
  
                  element = Detector.getWebGLErrorMessage();
                  element.id = id;
  
                  parent.appendChild( element );
  
          }
  
  };
  


(C) Æliens 04/09/2009

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