mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-11-19 12:27:56 +01:00
755 lines
17 KiB
JavaScript
Executable File
755 lines
17 KiB
JavaScript
Executable File
/**
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* @author alteredq / http://alteredqualia.com/
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*/
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THREE.SceneExporter = function () {};
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THREE.SceneExporter.prototype = {
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constructor: THREE.SceneExporter,
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parse: function ( scene ) {
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var position = Vector3String( scene.position );
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var rotation = Vector3String( scene.rotation );
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var scale = Vector3String( scene.scale );
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var nobjects = 0;
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var ngeometries = 0;
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var nmaterials = 0;
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var ntextures = 0;
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var objectsArray = [];
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var geometriesArray = [];
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var materialsArray = [];
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var texturesArray = [];
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var fogsArray = [];
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var geometriesMap = {};
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var materialsMap = {};
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var texturesMap = {};
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// extract objects, geometries, materials, textures
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var checkTexture = function ( map ) {
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if ( ! map ) return;
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if ( ! ( map.id in texturesMap ) ) {
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texturesMap[ map.id ] = true;
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texturesArray.push( TextureString( map ) );
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ntextures += 1;
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}
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};
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var linesArray = [];
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function createObjectsList( object, pad ) {
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for ( var i = 0; i < object.children.length; i ++ ) {
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var node = object.children[ i ];
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if ( node instanceof THREE.Mesh ) {
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linesArray.push( MeshString( node, pad ) );
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nobjects += 1;
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if ( ! ( node.geometry.id in geometriesMap ) ) {
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geometriesMap[ node.geometry.id ] = true;
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geometriesArray.push( GeometryString( node.geometry ) );
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ngeometries += 1;
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}
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if ( ! ( node.material.id in materialsMap ) ) {
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materialsMap[ node.material.id ] = true;
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materialsArray.push( MaterialString( node.material ) );
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nmaterials += 1;
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checkTexture( node.material.map );
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checkTexture( node.material.envMap );
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checkTexture( node.material.lightMap );
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checkTexture( node.material.specularMap );
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checkTexture( node.material.bumpMap );
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checkTexture( node.material.normalMap );
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}
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} else if ( node instanceof THREE.Light ) {
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linesArray.push( LightString( node, pad ) );
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nobjects += 1;
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} else if ( node instanceof THREE.Camera ) {
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linesArray.push( CameraString( node, pad ) );
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nobjects += 1;
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} else if ( node instanceof THREE.Object3D ) {
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linesArray.push( ObjectString( node, pad ) );
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nobjects += 1;
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}
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if ( node.children.length > 0 ) {
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linesArray.push( PaddingString( pad + 1 ) + '\t\t"children" : {' );
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}
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createObjectsList( node, pad + 2 );
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if ( node.children.length > 0 ) {
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linesArray.push( PaddingString( pad + 1 ) + "\t\t}" );
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}
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linesArray.push( PaddingString( pad ) + "\t\t}" + ( i < object.children.length - 1 ? ",\n" : "" ) );
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}
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}
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createObjectsList( scene, 0 );
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var objects = linesArray.join( "\n" );
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// extract fog
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if ( scene.fog ) {
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fogsArray.push( FogString( scene.fog ) );
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}
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// generate sections
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var geometries = generateMultiLineString( geometriesArray, ",\n\n\t" );
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var materials = generateMultiLineString( materialsArray, ",\n\n\t" );
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var textures = generateMultiLineString( texturesArray, ",\n\n\t" );
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var fogs = generateMultiLineString( fogsArray, ",\n\n\t" );
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// generate defaults
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var activeCamera = null;
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scene.traverse( function ( node ) {
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if ( node instanceof THREE.Camera && node.userData.active ) {
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activeCamera = node;
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}
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} );
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var defcamera = LabelString( activeCamera ? getObjectName( activeCamera ) : "" );
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var deffog = LabelString( scene.fog ? getFogName( scene.fog ) : "" );
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// templates
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function Vector2String( v ) {
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return "[" + v.x + "," + v.y + "]";
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}
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function Vector3String( v ) {
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return "[" + v.x + "," + v.y + "," + v.z + "]";
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}
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function ColorString( c ) {
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return "[" + c.r.toFixed( 3 ) + "," + c.g.toFixed( 3 ) + "," + c.b.toFixed( 3 ) + "]";
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}
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function LabelString( s ) {
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return '"' + s + '"';
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}
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function NumConstantString( c ) {
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var constants = [ "NearestFilter", "NearestMipMapNearestFilter", "NearestMipMapLinearFilter",
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"LinearFilter", "LinearMipMapNearestFilter", "LinearMipMapLinearFilter" ];
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for ( var i = 0; i < constants.length; i ++ ) {
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if ( THREE[ constants[ i ] ] === c ) return LabelString( constants[ i ] );
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};
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return "";
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}
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function PaddingString( n ) {
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var output = "";
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for ( var i = 0; i < n; i ++ ) output += "\t";
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return output;
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}
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//
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function LightString( o, n ) {
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if ( o instanceof THREE.AmbientLight ) {
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var output = [
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'\t\t' + LabelString( getObjectName( o ) ) + ' : {',
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' "type" : "AmbientLight",',
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' "color" : ' + o.color.getHex() + ( o.children.length ? ',' : '' )
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];
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} else if ( o instanceof THREE.DirectionalLight ) {
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var output = [
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'\t\t' + LabelString( getObjectName( o ) ) + ' : {',
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' "type" : "DirectionalLight",',
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' "color" : ' + o.color.getHex() + ',',
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' "intensity" : ' + o.intensity + ',',
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' "direction" : ' + Vector3String( o.position ) + ',',
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' "target" : ' + LabelString( getObjectName( o.target ) ) + ( o.children.length ? ',' : '' )
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];
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} else if ( o instanceof THREE.PointLight ) {
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var output = [
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'\t\t' + LabelString( getObjectName( o ) ) + ' : {',
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' "type" : "PointLight",',
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' "color" : ' + o.color.getHex() + ',',
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' "intensity" : ' + o.intensity + ',',
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' "position" : ' + Vector3String( o.position ) + ',',
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' "decay" : ' + o.decay + ',',
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' "distance" : ' + o.distance + ( o.children.length ? ',' : '' )
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];
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} else if ( o instanceof THREE.SpotLight ) {
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var output = [
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'\t\t' + LabelString( getObjectName( o ) ) + ' : {',
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' "type" : "SpotLight",',
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' "color" : ' + o.color.getHex() + ',',
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' "intensity" : ' + o.intensity + ',',
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' "position" : ' + Vector3String( o.position ) + ',',
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' "distance" : ' + o.distance + ',',
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' "angle" : ' + o.angle + ',',
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' "exponent" : ' + o.exponent + ',',
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' "decay" : ' + o.decay + ',',
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' "target" : ' + LabelString( getObjectName( o.target ) ) + ( o.children.length ? ',' : '' )
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];
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} else if ( o instanceof THREE.HemisphereLight ) {
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var output = [
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'\t\t' + LabelString( getObjectName( o ) ) + ' : {',
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' "type" : "HemisphereLight",',
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' "skyColor" : ' + o.color.getHex() + ',',
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' "groundColor" : ' + o.groundColor.getHex() + ',',
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' "intensity" : ' + o.intensity + ',',
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' "position" : ' + Vector3String( o.position ) + ( o.children.length ? ',' : '' )
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];
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} else {
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var output = [];
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}
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return generateMultiLineString( output, '\n\t\t', n );
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}
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function CameraString( o, n ) {
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if ( o instanceof THREE.PerspectiveCamera ) {
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var output = [
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'\t\t' + LabelString( getObjectName( o ) ) + ' : {',
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' "type" : "PerspectiveCamera",',
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' "fov" : ' + o.fov + ',',
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' "aspect" : ' + o.aspect + ',',
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' "near" : ' + o.near + ',',
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' "far" : ' + o.far + ',',
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' "position" : ' + Vector3String( o.position ) + ( o.children.length ? ',' : '' )
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];
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} else if ( o instanceof THREE.OrthographicCamera ) {
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var output = [
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'\t\t' + LabelString( getObjectName( o ) ) + ' : {',
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' "type" : "OrthographicCamera",',
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' "left" : ' + o.left + ',',
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' "right" : ' + o.right + ',',
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' "top" : ' + o.top + ',',
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' "bottom" : ' + o.bottom + ',',
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' "near" : ' + o.near + ',',
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' "far" : ' + o.far + ',',
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' "position" : ' + Vector3String( o.position ) + ( o.children.length ? ',' : '' )
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];
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} else {
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var output = [];
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}
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return generateMultiLineString( output, '\n\t\t', n );
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}
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function ObjectString( o, n ) {
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var output = [
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'\t\t' + LabelString( getObjectName( o ) ) + ' : {',
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' "position" : ' + Vector3String( o.position ) + ',',
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' "rotation" : ' + Vector3String( o.rotation ) + ',',
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' "scale" : ' + Vector3String( o.scale ) + ',',
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' "visible" : ' + o.visible + ( o.children.length ? ',' : '' )
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];
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return generateMultiLineString( output, '\n\t\t', n );
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}
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function MeshString( o, n ) {
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var output = [
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'\t\t' + LabelString( getObjectName( o ) ) + ' : {',
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' "geometry" : ' + LabelString( getGeometryName( o.geometry ) ) + ',',
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' "material" : ' + LabelString( getMaterialName( o.material ) ) + ',',
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' "position" : ' + Vector3String( o.position ) + ',',
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' "rotation" : ' + Vector3String( o.rotation ) + ',',
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' "scale" : ' + Vector3String( o.scale ) + ',',
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' "visible" : ' + o.visible + ( o.children.length ? ',' : '' )
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];
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return generateMultiLineString( output, '\n\t\t', n );
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}
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//
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function GeometryString( g ) {
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if ( g instanceof THREE.SphereGeometry ) {
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var output = [
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'\t' + LabelString( getGeometryName( g ) ) + ': {',
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' "type" : "sphere",',
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' "radius" : ' + g.parameters.radius + ',',
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' "widthSegments" : ' + g.parameters.widthSegments + ',',
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' "heightSegments" : ' + g.parameters.heightSegments,
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'}'
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];
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} else if ( g instanceof THREE.BoxGeometry ) {
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var output = [
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'\t' + LabelString( getGeometryName( g ) ) + ': {',
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' "type" : "cube",',
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' "width" : ' + g.parameters.width + ',',
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' "height" : ' + g.parameters.height + ',',
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' "depth" : ' + g.parameters.depth + ',',
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' "widthSegments" : ' + g.widthSegments + ',',
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' "heightSegments" : ' + g.heightSegments + ',',
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' "depthSegments" : ' + g.depthSegments,
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'}'
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];
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} else if ( g instanceof THREE.PlaneGeometry ) {
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var output = [
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'\t' + LabelString( getGeometryName( g ) ) + ': {',
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' "type" : "plane",',
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' "width" : ' + g.width + ',',
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' "height" : ' + g.height + ',',
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' "widthSegments" : ' + g.widthSegments + ',',
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' "heightSegments" : ' + g.heightSegments,
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'}'
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];
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} else if ( g instanceof THREE.Geometry ) {
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if ( g.sourceType === "ascii" || g.sourceType === "ctm" || g.sourceType === "stl" || g.sourceType === "vtk" ) {
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var output = [
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'\t' + LabelString( getGeometryName( g ) ) + ': {',
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' "type" : ' + LabelString( g.sourceType ) + ',',
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' "url" : ' + LabelString( g.sourceFile ),
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'}'
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];
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} else {
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var output = [];
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}
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} else {
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var output = [];
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}
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return generateMultiLineString( output, '\n\t\t' );
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}
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function MaterialString( m ) {
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if ( m instanceof THREE.MeshBasicMaterial ) {
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var output = [
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'\t' + LabelString( getMaterialName( m ) ) + ': {',
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' "type" : "MeshBasicMaterial",',
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' "parameters" : {',
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' "color" : ' + m.color.getHex() + ',',
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m.map ? ' "map" : ' + LabelString( getTextureName( m.map ) ) + ',' : '',
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m.envMap ? ' "envMap" : ' + LabelString( getTextureName( m.envMap ) ) + ',' : '',
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m.specularMap ? ' "specularMap" : ' + LabelString( getTextureName( m.specularMap ) ) + ',' : '',
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m.lightMap ? ' "lightMap" : ' + LabelString( getTextureName( m.lightMap ) ) + ',' : '',
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' "reflectivity" : ' + m.reflectivity + ',',
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' "transparent" : ' + m.transparent + ',',
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' "opacity" : ' + m.opacity + ',',
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' "wireframe" : ' + m.wireframe + ',',
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' "wireframeLinewidth" : ' + m.wireframeLinewidth,
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' }',
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'}'
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];
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} else if ( m instanceof THREE.MeshLambertMaterial ) {
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var output = [
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'\t' + LabelString( getMaterialName( m ) ) + ': {',
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' "type" : "MeshLambertMaterial",',
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' "parameters" : {',
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' "color" : ' + m.color.getHex() + ',',
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' "emissive" : ' + m.emissive.getHex() + ',',
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m.map ? ' "map" : ' + LabelString( getTextureName( m.map ) ) + ',' : '',
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m.envMap ? ' "envMap" : ' + LabelString( getTextureName( m.envMap ) ) + ',' : '',
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m.specularMap ? ' "specularMap" : ' + LabelString( getTextureName( m.specularMap ) ) + ',' : '',
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m.lightMap ? ' "lightMap" : ' + LabelString( getTextureName( m.lightMap ) ) + ',' : '',
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' "reflectivity" : ' + m.reflectivity + ',',
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' "transparent" : ' + m.transparent + ',',
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' "opacity" : ' + m.opacity + ',',
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' "wireframe" : ' + m.wireframe + ',',
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' "wireframeLinewidth" : ' + m.wireframeLinewidth,
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' }',
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'}'
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];
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} else if ( m instanceof THREE.MeshPhongMaterial ) {
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var output = [
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'\t' + LabelString( getMaterialName( m ) ) + ': {',
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' "type" : "MeshPhongMaterial",',
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' "parameters" : {',
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' "color" : ' + m.color.getHex() + ',',
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' "emissive" : ' + m.emissive.getHex() + ',',
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' "specular" : ' + m.specular.getHex() + ',',
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' "shininess" : ' + m.shininess + ',',
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m.map ? ' "map" : ' + LabelString( getTextureName( m.map ) ) + ',' : '',
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m.envMap ? ' "envMap" : ' + LabelString( getTextureName( m.envMap ) ) + ',' : '',
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m.specularMap ? ' "specularMap" : ' + LabelString( getTextureName( m.specularMap ) ) + ',' : '',
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m.lightMap ? ' "lightMap" : ' + LabelString( getTextureName( m.lightMap ) ) + ',' : '',
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m.normalMap ? ' "normalMap" : ' + LabelString( getTextureName( m.normalMap ) ) + ',' : '',
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m.bumpMap ? ' "bumpMap" : ' + LabelString( getTextureName( m.bumpMap ) ) + ',' : '',
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' "bumpScale" : ' + m.bumpScale + ',',
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' "reflectivity" : ' + m.reflectivity + ',',
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' "transparent" : ' + m.transparent + ',',
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' "opacity" : ' + m.opacity + ',',
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' "wireframe" : ' + m.wireframe + ',',
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' "wireframeLinewidth" : ' + m.wireframeLinewidth,
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' }',
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'}'
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];
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} else if ( m instanceof THREE.MeshDepthMaterial ) {
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var output = [
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'\t' + LabelString( getMaterialName( m ) ) + ': {',
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' "type" : "MeshDepthMaterial",',
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' "parameters" : {',
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' "transparent" : ' + m.transparent + ',',
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' "opacity" : ' + m.opacity + ',',
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' "wireframe" : ' + m.wireframe + ',',
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' "wireframeLinewidth" : ' + m.wireframeLinewidth,
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' }',
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'}'
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];
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} else if ( m instanceof THREE.MeshNormalMaterial ) {
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var output = [
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'\t' + LabelString( getMaterialName( m ) ) + ': {',
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' "type" : "MeshNormalMaterial",',
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' "parameters" : {',
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' "transparent" : ' + m.transparent + ',',
|
|
' "opacity" : ' + m.opacity + ',',
|
|
' "wireframe" : ' + m.wireframe + ',',
|
|
' "wireframeLinewidth" : ' + m.wireframeLinewidth,
|
|
' }',
|
|
'}'
|
|
|
|
];
|
|
|
|
} else if ( m instanceof THREE.MeshFaceMaterial ) {
|
|
|
|
var output = [
|
|
|
|
'\t' + LabelString( getMaterialName( m ) ) + ': {',
|
|
' "type" : "MeshFaceMaterial",',
|
|
' "parameters" : {}',
|
|
'}'
|
|
|
|
];
|
|
|
|
}
|
|
|
|
return generateMultiLineString( output, '\n\t\t' );
|
|
|
|
}
|
|
|
|
function TextureString( t ) {
|
|
|
|
// here would be also an option to use data URI
|
|
// with embedded image from "t.image.src"
|
|
// (that's a side effect of using FileReader to load images)
|
|
|
|
var output = [
|
|
|
|
'\t' + LabelString( getTextureName( t ) ) + ': {',
|
|
' "url" : "' + t.sourceFile + '",',
|
|
' "repeat" : ' + Vector2String( t.repeat ) + ',',
|
|
' "offset" : ' + Vector2String( t.offset ) + ',',
|
|
' "magFilter" : ' + NumConstantString( t.magFilter ) + ',',
|
|
' "minFilter" : ' + NumConstantString( t.minFilter ) + ',',
|
|
' "anisotropy" : ' + t.anisotropy,
|
|
'}'
|
|
|
|
];
|
|
|
|
return generateMultiLineString( output, '\n\t\t' );
|
|
|
|
}
|
|
|
|
//
|
|
|
|
function FogString( f ) {
|
|
|
|
if ( f instanceof THREE.Fog ) {
|
|
|
|
var output = [
|
|
|
|
'\t' + LabelString( getFogName( f ) ) + ': {',
|
|
' "type" : "linear",',
|
|
' "color" : ' + ColorString( f.color ) + ',',
|
|
' "near" : ' + f.near + ',',
|
|
' "far" : ' + f.far,
|
|
'}'
|
|
|
|
];
|
|
|
|
} else if ( f instanceof THREE.FogExp2 ) {
|
|
|
|
var output = [
|
|
|
|
'\t' + LabelString( getFogName( f ) ) + ': {',
|
|
' "type" : "exp2",',
|
|
' "color" : ' + ColorString( f.color ) + ',',
|
|
' "density" : ' + f.density,
|
|
'}'
|
|
|
|
];
|
|
|
|
} else {
|
|
|
|
var output = [];
|
|
|
|
}
|
|
|
|
return generateMultiLineString( output, '\n\t\t' );
|
|
|
|
}
|
|
|
|
//
|
|
|
|
function generateMultiLineString( lines, separator, padding ) {
|
|
|
|
var cleanLines = [];
|
|
|
|
for ( var i = 0; i < lines.length; i ++ ) {
|
|
|
|
var line = lines[ i ];
|
|
|
|
if ( line ) {
|
|
|
|
if ( padding ) line = PaddingString( padding ) + line;
|
|
cleanLines.push( line );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return cleanLines.join( separator );
|
|
|
|
}
|
|
|
|
function getObjectName( o ) {
|
|
|
|
return o.name ? o.name : "Object_" + o.id;
|
|
|
|
}
|
|
|
|
function getGeometryName( g ) {
|
|
|
|
return g.name ? g.name : "Geometry_" + g.id;
|
|
|
|
}
|
|
|
|
function getMaterialName( m ) {
|
|
|
|
return m.name ? m.name : "Material_" + m.id;
|
|
|
|
}
|
|
|
|
function getTextureName( t ) {
|
|
|
|
return t.name ? t.name : "Texture_" + t.id;
|
|
|
|
}
|
|
|
|
function getFogName( f ) {
|
|
|
|
return f.name ? f.name : "Default fog";
|
|
|
|
}
|
|
|
|
//
|
|
|
|
var output = [
|
|
'{',
|
|
' "metadata": {',
|
|
' "formatVersion" : 3.2,',
|
|
' "type" : "scene",',
|
|
' "generatedBy" : "SceneExporter",',
|
|
' "objects" : ' + nobjects + ',',
|
|
' "geometries" : ' + ngeometries + ',',
|
|
' "materials" : ' + nmaterials + ',',
|
|
' "textures" : ' + ntextures,
|
|
' },',
|
|
'',
|
|
' "urlBaseType": "relativeToScene",',
|
|
'',
|
|
|
|
' "objects" :',
|
|
' {',
|
|
objects,
|
|
' },',
|
|
'',
|
|
|
|
' "geometries" :',
|
|
' {',
|
|
'\t' + geometries,
|
|
' },',
|
|
'',
|
|
|
|
' "materials" :',
|
|
' {',
|
|
'\t' + materials,
|
|
' },',
|
|
'',
|
|
|
|
' "textures" :',
|
|
' {',
|
|
'\t' + textures,
|
|
' },',
|
|
'',
|
|
|
|
' "fogs" :',
|
|
' {',
|
|
'\t' + fogs,
|
|
' },',
|
|
'',
|
|
|
|
' "transform" :',
|
|
' {',
|
|
' "position" : ' + position + ',',
|
|
' "rotation" : ' + rotation + ',',
|
|
' "scale" : ' + scale,
|
|
' },',
|
|
'',
|
|
' "defaults" :',
|
|
' {',
|
|
' "camera" : ' + defcamera + ',',
|
|
' "fog" : ' + deffog,
|
|
' }',
|
|
'}'
|
|
].join( '\n' );
|
|
|
|
return JSON.parse( output );
|
|
|
|
}
|
|
|
|
}
|