AR Object Hit Test Code


      AFRAME.registerComponent("glb-model",
      
        { schema:{ model_url: {type:
      "string", default: ""}, scale: {type: "string", default: "1 1 1"} }, init:
      function(){ var sceneEl = document.querySelector("a-scene"); var assetsEl
      = document.querySelector("a-assets"); 
      
      
        
      //if a-assets tag is not created by
      the user, create the tag here 
        
      if (assetsEl == null) { assetsEl =
      document.createElement("a-assets"); sceneEl.appendChild(assetsEl); }
      
        
      
      
        //set
      up 3D model asset 
       
      
        var model_asset_el =
      document.createElement("a-asset-item"); model_asset_el.setAttribute("id",
      "glb_model_asset"); model_asset_el.setAttribute( "src",
      this.data.model_url ); assetsEl.appendChild(model_asset_el);
      
      //add the 3D
      model asset to the scene 
      
        var model_entity_el =
      document.createElement("a-entity"); model_entity_el.setAttribute("id",
      "glb_model"); model_entity_el.setAttribute( "gltf-model",
      "#glb_model_asset" ); model_entity_el.setAttribute("scale",
      this.data.scale); sceneEl.appendChild(model_entity_el); } })