1 | var Loader = function ( editor ) {
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2 |
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3 | var scope = this;
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4 | var signals = editor.signals;
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5 |
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6 | this.loadFile = function ( file ) {
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7 |
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8 | var filename = file.name;
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9 | var extension = filename.split( '.' ).pop().toLowerCase();
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10 |
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11 | switch ( extension ) {
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12 |
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13 | case 'babylon':
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14 |
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15 | var reader = new FileReader();
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16 | reader.addEventListener( 'load', function ( event ) {
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17 |
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18 | var contents = event.target.result;
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19 | var json = JSON.parse( contents );
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20 |
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21 | var loader = new THREE.BabylonLoader();
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22 | var scene = loader.parse( json );
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23 |
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24 | editor.setScene( scene );
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25 |
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26 | }, false );
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27 | reader.readAsText( file );
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28 |
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29 | break;
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30 |
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31 | case 'ctm':
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32 |
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33 | var reader = new FileReader();
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34 | reader.addEventListener( 'load', function ( event ) {
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35 |
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36 | var contents = event.target.result;
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37 |
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38 | var stream = new CTM.Stream( contents );
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39 | stream.offset = 0;
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40 |
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41 | var loader = new THREE.CTMLoader();
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42 | loader.createModelClassic( new CTM.File( stream ), function( geometry ) {
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43 |
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44 | geometry.sourceType = "ctm";
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45 | geometry.sourceFile = file.name;
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46 |
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47 | var material = new THREE.MeshPhongMaterial();
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48 |
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49 | var mesh = new THREE.Mesh( geometry, material );
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50 | mesh.name = filename;
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51 |
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52 | editor.addObject( mesh );
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53 |
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54 | } );
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55 |
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56 | }, false );
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57 | reader.readAsBinaryString( file );
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58 |
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59 | break;
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60 |
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61 | case 'dae':
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62 |
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63 | var reader = new FileReader();
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64 | reader.addEventListener( 'load', function ( event ) {
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65 |
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66 | var contents = event.target.result;
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67 |
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68 | var parser = new DOMParser();
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69 | var xml = parser.parseFromString( contents, 'text/xml' );
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70 |
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71 | var loader = new THREE.ColladaLoader();
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72 | loader.parse( xml, function ( collada ) {
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73 |
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74 | collada.scene.name = filename;
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75 |
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76 | editor.addObject( collada.scene );
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77 |
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78 | } );
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79 |
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80 | }, false );
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81 | reader.readAsText( file );
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82 |
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83 | break;
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84 |
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85 | case 'js':
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86 | case 'json':
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87 |
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88 | case '3geo':
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89 | case '3mat':
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90 | case '3obj':
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91 | case '3scn':
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92 |
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93 | var reader = new FileReader();
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94 | reader.addEventListener( 'load', function ( event ) {
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95 |
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96 | var contents = event.target.result;
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97 |
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98 | // 2.0
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99 |
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100 | if ( contents.indexOf( 'postMessage' ) !== -1 ) {
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101 |
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102 | var blob = new Blob( [ contents ], { type: 'text/javascript' } );
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103 | var url = URL.createObjectURL( blob );
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104 |
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105 | var worker = new Worker( url );
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106 |
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107 | worker.onmessage = function ( event ) {
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108 |
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109 | event.data.metadata = { version: 2 };
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110 | handleJSON( event.data, file, filename );
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111 |
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112 | };
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113 |
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114 | worker.postMessage( Date.now() );
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115 |
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116 | return;
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117 |
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118 | }
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119 |
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120 | // >= 3.0
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121 |
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122 | var data;
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123 |
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124 | try {
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125 |
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126 | data = JSON.parse( contents );
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127 |
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128 | } catch ( error ) {
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129 |
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130 | alert( error );
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131 | return;
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132 |
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133 | }
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134 |
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135 | handleJSON( data, file, filename );
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136 |
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137 | }, false );
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138 | reader.readAsText( file );
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139 |
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140 | break;
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141 |
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142 | case 'obj':
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143 |
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144 | var reader = new FileReader();
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145 | reader.addEventListener( 'load', function ( event ) {
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146 |
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147 | var contents = event.target.result;
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148 |
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149 | var object = new THREE.OBJLoader().parse( contents );
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150 | object.name = filename;
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151 |
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152 | editor.addObject( object );
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153 |
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154 | }, false );
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155 | reader.readAsText( file );
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156 |
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157 | break;
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158 |
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159 | case 'ply':
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160 |
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161 | var reader = new FileReader();
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162 | reader.addEventListener( 'load', function ( event ) {
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163 |
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164 | var contents = event.target.result;
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165 |
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166 | console.log( contents );
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167 |
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168 | var geometry = new THREE.PLYLoader().parse( contents );
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169 | geometry.sourceType = "ply";
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170 | geometry.sourceFile = file.name;
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171 |
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172 | var material = new THREE.MeshPhongMaterial();
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173 |
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174 | var mesh = new THREE.Mesh( geometry, material );
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175 | mesh.name = filename;
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176 |
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177 | editor.addObject( mesh );
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178 |
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179 | }, false );
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180 | reader.readAsText( file );
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181 |
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182 | break;
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183 |
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184 | case 'stl':
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185 |
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186 | var reader = new FileReader();
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187 | reader.addEventListener( 'load', function ( event ) {
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188 |
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189 | var contents = event.target.result;
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190 |
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191 | var geometry = new THREE.STLLoader().parse( contents );
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192 | geometry.sourceType = "stl";
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193 | geometry.sourceFile = file.name;
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194 |
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195 | var material = new THREE.MeshPhongMaterial();
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196 |
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197 | var mesh = new THREE.Mesh( geometry, material );
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198 | mesh.name = filename;
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199 |
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200 | editor.addObject( mesh );
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201 |
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202 | }, false );
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203 |
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204 | if ( reader.readAsBinaryString !== undefined ) {
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205 |
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206 | reader.readAsBinaryString( file );
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207 |
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208 | } else {
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209 |
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210 | reader.readAsArrayBuffer( file );
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211 |
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212 | }
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213 |
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214 | break;
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215 |
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216 | /*
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217 | case 'utf8':
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218 |
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219 | var reader = new FileReader();
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220 | reader.addEventListener( 'load', function ( event ) {
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221 |
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222 | var contents = event.target.result;
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223 |
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224 | var geometry = new THREE.UTF8Loader().parse( contents );
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225 | var material = new THREE.MeshLambertMaterial();
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226 |
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227 | var mesh = new THREE.Mesh( geometry, material );
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228 |
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229 | editor.addObject( mesh );
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230 |
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231 | }, false );
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232 | reader.readAsBinaryString( file );
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233 |
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234 | break;
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235 | */
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236 |
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237 | case 'vtk':
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238 |
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239 | var reader = new FileReader();
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240 | reader.addEventListener( 'load', function ( event ) {
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241 |
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242 | var contents = event.target.result;
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243 |
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244 | var geometry = new THREE.VTKLoader().parse( contents );
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245 | geometry.sourceType = "vtk";
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246 | geometry.sourceFile = file.name;
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247 |
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248 | var material = new THREE.MeshPhongMaterial();
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249 |
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250 | var mesh = new THREE.Mesh( geometry, material );
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251 | mesh.name = filename;
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252 |
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253 | editor.addObject( mesh );
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254 |
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255 | }, false );
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256 | reader.readAsText( file );
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257 |
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258 | break;
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259 |
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260 | case 'wrl':
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261 |
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262 | var reader = new FileReader();
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263 | reader.addEventListener( 'load', function ( event ) {
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264 |
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265 | var contents = event.target.result;
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266 |
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267 | var result = new THREE.VRMLLoader().parse( contents );
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268 |
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269 | editor.setScene( result );
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270 |
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271 | }, false );
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272 | reader.readAsText( file );
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273 |
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274 | break;
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275 |
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276 | default:
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277 |
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278 | alert( 'Unsupported file format.' );
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279 |
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280 | break;
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281 |
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282 | }
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283 |
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284 | }
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285 |
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286 | var handleJSON = function ( data, file, filename ) {
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287 |
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288 | if ( data.metadata === undefined ) { // 2.0
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289 |
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290 | data.metadata = { type: 'Geometry' };
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291 |
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292 | }
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293 |
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294 | if ( data.metadata.type === undefined ) { // 3.0
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295 |
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296 | data.metadata.type = 'Geometry';
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297 |
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298 | }
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299 |
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300 | if ( data.metadata.version === undefined ) {
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301 |
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302 | data.metadata.version = data.metadata.formatVersion;
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303 |
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304 | }
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305 |
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306 | if ( data.metadata.type.toLowerCase() === 'geometry' ) {
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307 |
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308 | var loader = new THREE.JSONLoader();
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309 | var result = loader.parse( data );
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310 |
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311 | var geometry = result.geometry;
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312 | var material = result.materials !== undefined
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313 | ? new THREE.MeshFaceMaterial( result.materials )
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314 | : new THREE.MeshPhongMaterial();
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315 |
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316 | geometry.sourceType = "ascii";
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317 | geometry.sourceFile = file.name;
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318 |
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319 | var mesh = new THREE.Mesh( geometry, material );
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320 | mesh.name = filename;
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321 |
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322 | editor.addObject( mesh );
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323 |
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324 | } else if ( data.metadata.type.toLowerCase() === 'object' ) {
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325 |
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326 | var loader = new THREE.ObjectLoader();
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327 | var result = loader.parse( data );
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328 |
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329 | if ( result instanceof THREE.Scene ) {
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330 |
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331 | editor.setScene( result );
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332 |
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333 | } else {
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334 |
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335 | editor.addObject( result );
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336 |
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337 | }
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338 |
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339 | } else if ( data.metadata.type.toLowerCase() === 'scene' ) {
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340 |
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341 | // DEPRECATED
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342 |
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343 | var loader = new THREE.SceneLoader();
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344 | loader.parse( data, function ( result ) {
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345 |
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346 | editor.setScene( result.scene );
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347 |
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348 | }, '' );
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349 |
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350 | }
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351 |
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352 | };
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353 |
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354 | }
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