فهرست منبع

STLLoader: Code formating. Spaces to tabs and so on.

Mr.doob 12 سال پیش
والد
کامیت
411c44881e
1فایلهای تغییر یافته به همراه165 افزوده شده و 115 حذف شده
  1. 165 115
      examples/js/loaders/STLLoader.js

+ 165 - 115
examples/js/loaders/STLLoader.js

@@ -33,139 +33,160 @@ THREE.STLLoader.prototype = {
 	hasEventListener: THREE.EventDispatcher.prototype.hasEventListener,
 	removeEventListener: THREE.EventDispatcher.prototype.removeEventListener,
 	dispatchEvent: THREE.EventDispatcher.prototype.dispatchEvent
+
 };
 
 THREE.STLLoader.prototype.load = function (url) {
-    var scope = this;
-    console.log("Attempting to load URL: [" + url + "]");
-    
-    var xhr = new XMLHttpRequest();
-    
-    function onloaded( event ) {
-    
-        if ( event.target.status === 200 || event.target.status === 0 ) {
-                var data = event.target.responseText;
-                return scope.dispatchEvent({
-                    type: 'load',
-                    content: scope.parse(data)
-                });
-        } else {
-
-            scope.dispatchEvent( { type: 'error', message: 'Couldn\'t load URL [' + url + ']',
-                response: event.target.responseText } );
-    
-        }
-    
-    }
-    
-    xhr.addEventListener( 'load', onloaded, false );
-    
-    xhr.addEventListener( 'progress', function ( event ) {
-    
-        scope.dispatchEvent( { type: 'progress', loaded: event.loaded, total: event.total } );
-    
-    }, false );
-    
-    xhr.addEventListener( 'error', function () {
-    
-        scope.dispatchEvent( { type: 'error', message: 'Couldn\'t load URL [' + url + ']' } );
-    
-    }, false );
-    
-    xhr.overrideMimeType('text/plain; charset=x-user-defined');
-    xhr.open( 'GET', url, true );
-    xhr.send( null );
+
+	var scope = this;
+	console.log("Attempting to load URL: [" + url + "]");
+
+	var xhr = new XMLHttpRequest();
+
+	function onloaded( event ) {
+
+		if ( event.target.status === 200 || event.target.status === 0 ) {
+				var data = event.target.responseText;
+				return scope.dispatchEvent({
+					type: 'load',
+					content: scope.parse(data)
+				});
+		} else {
+
+			scope.dispatchEvent( { type: 'error', message: 'Couldn\'t load URL [' + url + ']',
+				response: event.target.responseText } );
+
+		}
+
+	}
+
+	xhr.addEventListener( 'load', onloaded, false );
+
+	xhr.addEventListener( 'progress', function ( event ) {
+
+		scope.dispatchEvent( { type: 'progress', loaded: event.loaded, total: event.total } );
+
+	}, false );
+
+	xhr.addEventListener( 'error', function () {
+
+		scope.dispatchEvent( { type: 'error', message: 'Couldn\'t load URL [' + url + ']' } );
+
+	}, false );
+
+	xhr.overrideMimeType('text/plain; charset=x-user-defined');
+	xhr.open( 'GET', url, true );
+	xhr.send( null );
+
 };
 
 THREE.STLLoader.prototype.parse = function (data) {
-    var isBinary,
-        _this = this;
-    isBinary = function (data) {
-        var expect, face_size, n_faces, reader;
-        reader = new THREE.STLLoader.BinaryReader(data);
-        reader.seek(80);
-        face_size = (32 / 8 * 3) + ((32 / 8 * 3) * 3) + (16 / 8);
-        n_faces = reader.readUInt32();
-        expect = 80 + (32 / 8) + (n_faces * face_size);
-        return expect === reader.getSize();
-    };
-    if (isBinary(data)) {
-        return this.parseBinary(data);
-    } else {
-        return this.parseASCII(data);
-    }
+
+	var isBinary = function (data) {
+
+		var expect, face_size, n_faces, reader;
+		reader = new THREE.STLLoader.BinaryReader(data);
+		reader.seek(80);
+		face_size = (32 / 8 * 3) + ((32 / 8 * 3) * 3) + (16 / 8);
+		n_faces = reader.readUInt32();
+		expect = 80 + (32 / 8) + (n_faces * face_size);
+		return expect === reader.getSize();
+
+	};
+
+	if (isBinary(data)) {
+
+		return this.parseBinary(data);
+
+	} else {
+
+		return this.parseASCII(data);
+
+	}
 };
 
 THREE.STLLoader.prototype.parseBinary = function (data) {
-    var face, geometry, n_faces, reader, length, normal, i;
-    
-    reader = new THREE.STLLoader.BinaryReader(data);
-    reader.seek(80);
-    n_faces = reader.readUInt32();
-    geometry = new THREE.Geometry();
-    
-    for (face = 0; face < n_faces; face++) {
-
-        normal = new THREE.Vector3(reader.readFloat(),reader.readFloat(),reader.readFloat());
-        
-        for (i = 1; i <= 3; i++) {
-            
-            geometry.vertices.push(new THREE.Vector3(reader.readFloat(),reader.readFloat(),reader.readFloat()));
-            
-        }
-        
-        reader.readUInt16(); // attr doesn't get used yet.
-        length = geometry.vertices.length;
-        geometry.faces.push(new THREE.Face3(length - 3, length - 2, length - 1, normal));
-        
-    }
-    
-    geometry.computeCentroids();
-    geometry.computeBoundingBox();
-    geometry.computeBoundingSphere();
-    
-    return geometry;
+
+	var face, geometry, n_faces, reader, length, normal, i;
+
+	reader = new THREE.STLLoader.BinaryReader(data);
+	reader.seek(80);
+	n_faces = reader.readUInt32();
+	geometry = new THREE.Geometry();
+
+	for (face = 0; face < n_faces; face++) {
+
+		normal = new THREE.Vector3(reader.readFloat(),reader.readFloat(),reader.readFloat());
+
+		for (i = 1; i <= 3; i++) {
+
+			geometry.vertices.push(new THREE.Vector3(reader.readFloat(),reader.readFloat(),reader.readFloat()));
+
+		}
+
+		reader.readUInt16(); // attr doesn't get used yet.
+		length = geometry.vertices.length;
+		geometry.faces.push(new THREE.Face3(length - 3, length - 2, length - 1, normal));
+
+	}
+
+	geometry.computeCentroids();
+	geometry.computeBoundingBox();
+	geometry.computeBoundingSphere();
+
+	return geometry;
+
 };
 
 THREE.STLLoader.prototype.parseASCII = function (data) {
-    var geometry, length, normal, patternFace, patternNormal, patternVertex, result, text;
-    geometry = new THREE.Geometry();
-    patternFace = /facet([\s\S]*?)endfacet/g;
-    
-    while (((result = patternFace.exec(data)) != null)) {
-        
-        text = result[0];
-        patternNormal = /normal[\s]+([\-+]?[0-9]+\.?[0-9]*([eE][\-+]?[0-9]+)?)+[\s]+([\-+]?[0-9]*\.?[0-9]+([eE][\-+]?[0-9]+)?)+[\s]+([\-+]?[0-9]*\.?[0-9]+([eE][\-+]?[0-9]+)?)+/g;
-        while (((result = patternNormal.exec(text)) != null)) {
-            normal = new THREE.Vector3(parseFloat(result[1]), parseFloat(result[3]), parseFloat(result[5]));
-        }
-        
-        patternVertex = /vertex[\s]+([\-+]?[0-9]+\.?[0-9]*([eE][\-+]?[0-9]+)?)+[\s]+([\-+]?[0-9]*\.?[0-9]+([eE][\-+]?[0-9]+)?)+[\s]+([\-+]?[0-9]*\.?[0-9]+([eE][\-+]?[0-9]+)?)+/g;
-        while (((result = patternVertex.exec(text)) != null)) {
-            geometry.vertices.push(new THREE.Vector3(parseFloat(result[1]), parseFloat(result[3]), parseFloat(result[5])));
-        }
-        
-        length = geometry.vertices.length;
-        geometry.faces.push(new THREE.Face3(length - 3, length - 2, length - 1, normal));
-        
-    }
-    
-    geometry.computeCentroids();
-    geometry.computeBoundingBox();
-    geometry.computeBoundingSphere();
-    
-    return geometry;
+
+	var geometry, length, normal, patternFace, patternNormal, patternVertex, result, text;
+	geometry = new THREE.Geometry();
+	patternFace = /facet([\s\S]*?)endfacet/g;
+
+	while (((result = patternFace.exec(data)) != null)) {
+
+		text = result[0];
+		patternNormal = /normal[\s]+([\-+]?[0-9]+\.?[0-9]*([eE][\-+]?[0-9]+)?)+[\s]+([\-+]?[0-9]*\.?[0-9]+([eE][\-+]?[0-9]+)?)+[\s]+([\-+]?[0-9]*\.?[0-9]+([eE][\-+]?[0-9]+)?)+/g;
+
+		while (((result = patternNormal.exec(text)) != null)) {
+
+			normal = new THREE.Vector3(parseFloat(result[1]), parseFloat(result[3]), parseFloat(result[5]));
+
+		}
+
+		patternVertex = /vertex[\s]+([\-+]?[0-9]+\.?[0-9]*([eE][\-+]?[0-9]+)?)+[\s]+([\-+]?[0-9]*\.?[0-9]+([eE][\-+]?[0-9]+)?)+[\s]+([\-+]?[0-9]*\.?[0-9]+([eE][\-+]?[0-9]+)?)+/g;
+
+		while (((result = patternVertex.exec(text)) != null)) {
+
+			geometry.vertices.push(new THREE.Vector3(parseFloat(result[1]), parseFloat(result[3]), parseFloat(result[5])));
+
+		}
+
+		length = geometry.vertices.length;
+		geometry.faces.push(new THREE.Face3(length - 3, length - 2, length - 1, normal));
+
+	}
+
+	geometry.computeCentroids();
+	geometry.computeBoundingBox();
+	geometry.computeBoundingSphere();
+
+	return geometry;
+
 };
 
 
 THREE.STLLoader.BinaryReader = function (data) {
-    this._buffer = data;
-    this._pos = 0;
+
+	this._buffer = data;
+	this._pos = 0;
+
 };
 
 THREE.STLLoader.BinaryReader.prototype = {
 
-    /* Public */
+	/* Public */
 
 	readInt8:	function (){ return this._decodeInt(8, true); },
 	readUInt8:	function (){ return this._decodeInt(8, false); },
@@ -178,32 +199,43 @@ THREE.STLLoader.BinaryReader.prototype = {
 	readDouble:	function (){ return this._decodeFloat(52, 11); },
 
 	readChar:	function () { return this.readString(1); },
+
 	readString: function (length) {
+
 		this._checkSize(length * 8);
 		var result = this._buffer.substr(this._pos, length);
 		this._pos += length;
 		return result;
+
 	},
 
 	seek: function (pos) {
+
 		this._pos = pos;
 		this._checkSize(0);
+
 	},
 
 	getPosition: function () {
+
 		return this._pos;
+
 	},
 
 	getSize: function () {
+
 		return this._buffer.length;
+
 	},
 
 
 	/* Private */
 
 	_decodeFloat: function(precisionBits, exponentBits){
+
 		var length = precisionBits + exponentBits + 1;
 		var size = length >> 3;
+
 		this._checkSize(length);
 
 		var bias = Math.pow(2, exponentBits - 1) - 1;
@@ -211,7 +243,7 @@ THREE.STLLoader.BinaryReader.prototype = {
 		var exponent = this._readBits(precisionBits, exponentBits, size);
 		var significand = 0;
 		var divisor = 2;
-    // var curByte = length + (-precisionBits >> 3) - 1;
+	// var curByte = length + (-precisionBits >> 3) - 1;
 		var curByte = 0;
 		do {
 			var byteValue = this._readByte(++curByte, size);
@@ -230,27 +262,35 @@ THREE.STLLoader.BinaryReader.prototype = {
 		return exponent == (bias << 1) + 1 ? significand ? NaN : signal ? -Infinity : +Infinity
 			: (1 + signal * -2) * (exponent || significand ? !exponent ? Math.pow(2, -bias + 1) * significand
 			: Math.pow(2, exponent - bias) * (1 + significand) : 0);
+
 	},
 
 	_decodeInt: function(bits, signed){
+
 		var x = this._readBits(0, bits, bits / 8), max = Math.pow(2, bits);
 		var result = signed && x >= max / 2 ? x - max : x;
 
 		this._pos += bits / 8;
 		return result;
+
 	},
 
 	//shl fix: Henri Torgemane ~1996 (compressed by Jonas Raoni)
 	_shl: function (a, b){
+
 		for (++b; --b; a = ((a %= 0x7fffffff + 1) & 0x40000000) == 0x40000000 ? a * 2 : (a - 0x40000000) * 2 + 0x7fffffff + 1);
 		return a;
+
 	},
 
 	_readByte: function (i, size) {
+
 		return this._buffer.charCodeAt(this._pos + size - i - 1) & 0xff;
+
 	},
 
 	_readBits: function (start, length, size) {
+
 		var offsetLeft = (start + length) % 8;
 		var offsetRight = start % 8;
 		var curByte = size - (start >> 3) - 1;
@@ -260,19 +300,29 @@ THREE.STLLoader.BinaryReader.prototype = {
 		var sum = (this._readByte(curByte, size) >> offsetRight) & ((1 << (diff ? 8 - offsetRight : length)) - 1);
 
 		if (diff && offsetLeft) {
+
 			sum += (this._readByte(lastByte++, size) & ((1 << offsetLeft) - 1)) << (diff-- << 3) - offsetRight;
+
 		}
 
 		while (diff) {
+
 			sum += this._shl(this._readByte(lastByte++, size), (diff-- << 3) - offsetRight);
+
 		}
 
 		return sum;
+
 	},
 
 	_checkSize: function (neededBits) {
+
 		if (!(this._pos + Math.ceil(neededBits / 8) < this._buffer.length)) {
+
 			throw new Error("Index out of bound");
+
 		}
+
 	}
-};
+
+};