| 12 |
- //1.04
- importScripts("parser.min.js"),MSG_DATA=0,MSG_LOAD=1,MSG_ERROR=2,MSG_STL_LOADED=3,MSG_LOAD_IN_PROGRESS=4;var filename=null,local_file=null,x=0,y=0,z=0,model_id=-1,get_progress=!1;function isNumeric(a){return!isNaN(parseFloat(a))&&isFinite(a)}function send_error(a){postMessage({msg_type:MSG_ERROR,data:a})}function download_from_local(a){var e=new XMLHttpRequest;get_progress&&(e.onprogress=function(a){postMessage({msg_type:MSG_LOAD_IN_PROGRESS,id:model_id,loaded:a.loaded,total:a.total})}),e.onreadystatechange=function(a){4==e.readyState&&after_file_load(e.response)},e.open("POST",a,!0),e.setRequestHeader("Content-type","application/x-www-form-urlencoded"),e.responseType="arraybuffer",e.send(null)}function after_file_load(a){var e;a?"string"!=typeof(e=parse_3d_file(filename,a))?postMessage({msg_type:MSG_STL_LOADED,vertices:e.vertices,faces:e.faces,colors:e.colors}):send_error(e):send_error("no data")}function read_file(a){var e=new FileReader;e.onerror=function(a){var e="";switch(a.target.error.code){case a.target.error.NOT_FOUND_ERR:e="File not found";break;case a.target.error.NOT_READABLE_ERR:e="Can't read file - too large?";break;case a.target.error.ABORT_ERR:e="Read operation aborted";break;case a.target.error.SECURITY_ERR:e="File is locked";break;case a.target.error.ENCODING_ERR:e="File too large";break;default:e="Error reading file"}send_error(e)},e.onprogress=function(a){postMessage({msg_type:MSG_LOAD_IN_PROGRESS,id:model_id,loaded:a.loaded,total:a.total})},e.onload=function(a){after_file_load(a.target.result)},e.readAsArrayBuffer(a)}self.addEventListener("message",function(a){switch(a.data.msg_type){case MSG_DATA:if(!a.data.data){send_error("no data");break}if(!a.data.data.filename&&!a.data.data.local_file){send_error("no file");break}a.data.data.local_file?(filename=a.data.data.local_file.name,local_file=a.data.data.local_file?a.data.data.local_file:null):a.data.data.filename&&(filename=a.data.data.filename),a.data.data.x&&isNumeric(a.data.data.x)&&(x=a.data.data.x),a.data.data.y&&isNumeric(a.data.data.y)&&(y=a.data.data.y),a.data.data.y&&isNumeric(a.data.data.z)&&(z=a.data.data.z),model_id=a.data.data.id?a.data.data.id:-1,get_progress=!!a.data.get_progress&&a.data.get_progress;break;case MSG_LOAD:local_file?read_file(local_file):filename&&download_from_local(filename);break;default:console.log("invalid msg: "+a.data.msg_type)}});
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