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`,t),null}let i=n.getAttribute(`version`);console.debug(`THREE.ColladaLoader: File version`,i);let a=this.parseAsset(W(n,`asset`)[0]),o={animations:{},clips:{},controllers:{},images:{},effects:{},materials:{},cameras:{},lights:{},geometries:{},nodes:{},visualScenes:{},kinematicsModels:{},physicsModels:{},kinematicsScenes:{},joints:{}};return this.library=o,this.collada=n,this.parseLibrary(n,`library_animations`,`animation`,this.parseAnimation.bind(this)),this.parseLibrary(n,`library_animation_clips`,`animation_clip`,this.parseAnimationClip.bind(this)),this.parseLibrary(n,`library_controllers`,`controller`,this.parseController.bind(this)),this.parseLibrary(n,`library_images`,`image`,this.parseImage.bind(this)),this.parseLibrary(n,`library_effects`,`effect`,this.parseEffect.bind(this)),this.parseLibrary(n,`library_materials`,`material`,this.parseMaterial.bind(this)),this.parseLibrary(n,`library_cameras`,`camera`,this.parseCamera.bind(this)),this.parseLibrary(n,`library_lights`,`light`,this.parseLight.bind(this)),this.parseLibrary(n,`library_geometries`,`geometry`,this.parseGeometry.bind(this)),this.parseLibrary(n,`library_nodes`,`node`,this.parseNode.bind(this)),this.parseLibrary(n,`library_visual_scenes`,`visual_scene`,this.parseVisualScene.bind(this)),this.parseLibrary(n,`library_joints`,`joint`,this.parseLibraryJoint.bind(this)),this.parseLibrary(n,`library_kinematics_models`,`kinematics_model`,this.parseKinematicsModel.bind(this)),this.parseLibrary(n,`library_physics_models`,`physics_model`,this.parsePhysicsModel.bind(this)),this.parseLibrary(n,`scene`,`instance_kinematics_scene`,this.parseKinematicsScene.bind(this)),{library:o,asset:a,collada:n}}parserErrorToText(e){let t=[],n=[e];for(;n.length;){let e=n.shift();e.nodeType===Node.TEXT_NODE?t.push(e.textContent):(t.push(`
`),n.push(...e.childNodes))}return t.join(``).trim()}parseAsset(e){return{unit:this.parseAssetUnit(W(e,`unit`)[0]),upAxis:this.parseAssetUpAxis(W(e,`up_axis`)[0])}}parseAssetUnit(e){return e!==void 0&&e.hasAttribute(`meter`)===!0?parseFloat(e.getAttribute(`meter`)):1}parseAssetUpAxis(e){return e===void 0?`Y_UP`:e.textContent}parseLibrary(e,t,n,r){let i=W(e,t)[0];if(i!==void 0){let e=W(i,n);for(let t=0;t<e.length;t++)r(e[t])}}parseAnimation(e){let t={sources:{},samplers:{},channels:{}},n=!1;for(let r=0,i=e.childNodes.length;r<i;r++){let i=e.childNodes[r];if(i.nodeType!==1)continue;let a;switch(i.nodeName){case`source`:a=i.getAttribute(`id`),t.sources[a]=this.parseSource(i);break;case`sampler`:a=i.getAttribute(`id`),t.samplers[a]=this.parseAnimationSampler(i);break;case`channel`:a=i.getAttribute(`target`),t.channels[a]=this.parseAnimationChannel(i);break;case`animation`:this.parseAnimation(i),n=!0;break;default:}}n===!1&&(this.library.animations[e.getAttribute(`id`)||y.generateUUID()]=t)}parseAnimationSampler(e){let t={inputs:{}};for(let n=0,r=e.childNodes.length;n<r;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`input`:let e=J(r.getAttribute(`source`)),n=r.getAttribute(`semantic`);t.inputs[n]=e;break}}return t}parseAnimationChannel(e){let t={},n=e.getAttribute(`target`).split(`/`),r=n.shift(),i=n.shift(),a=i.indexOf(`(`)!==-1,o=i.indexOf(`.`)!==-1;if(o)n=i.split(`.`),i=n.shift(),t.member=n.shift();else if(a){let e=i.split(`(`);i=e.shift();for(let t=0;t<e.length;t++)e[t]=parseInt(e[t].replace(/\)/,``));t.indices=e}return t.id=r,t.sid=i,t.arraySyntax=a,t.memberSyntax=o,t.sampler=J(e.getAttribute(`source`)),t}parseAnimationClip(e){let t={name:e.getAttribute(`id`)||`default`,start:parseFloat(e.getAttribute(`start`)||0),end:parseFloat(e.getAttribute(`end`)||0),animations:[]};for(let n=0,r=e.childNodes.length;n<r;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`instance_animation`:t.animations.push(J(r.getAttribute(`url`)));break}}this.library.clips[e.getAttribute(`id`)]=t}parseController(e){let t={};for(let n=0,r=e.childNodes.length;n<r;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`skin`:t.id=J(r.getAttribute(`source`)),t.skin=this.parseSkin(r);break;case`morph`:t.id=J(r.getAttribute(`source`)),console.warn(`THREE.ColladaLoader: Morph target animation not supported yet.`);break}}this.library.controllers[e.getAttribute(`id`)]=t}parseSkin(e){let t={sources:{}};for(let n=0,r=e.childNodes.length;n<r;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`bind_shape_matrix`:t.bindShapeMatrix=K(r.textContent);break;case`source`:let e=r.getAttribute(`id`);t.sources[e]=this.parseSource(r);break;case`joints`:t.joints=this.parseJoints(r);break;case`vertex_weights`:t.vertexWeights=this.parseVertexWeights(r);break}}return t}parseJoints(e){let t={inputs:{}};for(let n=0,r=e.childNodes.length;n<r;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`input`:let e=r.getAttribute(`semantic`),n=J(r.getAttribute(`source`));t.inputs[e]=n;break}}return t}parseVertexWeights(e){let t={inputs:{}};for(let n=0,r=e.childNodes.length;n<r;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`input`:let e=r.getAttribute(`semantic`),n=J(r.getAttribute(`source`)),i=parseInt(r.getAttribute(`offset`));t.inputs[e]={id:n,offset:i};break;case`vcount`:t.vcount=q(r.textContent);break;case`v`:t.v=q(r.textContent);break}}return t}parseImage(e){let t={init_from:W(e,`init_from`)[0].textContent};this.library.images[e.getAttribute(`id`)]=t}parseEffect(e){let t={};for(let n=0,r=e.childNodes.length;n<r;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`profile_COMMON`:t.profile=this.parseEffectProfileCOMMON(r);break}}this.library.effects[e.getAttribute(`id`)]=t}parseEffectProfileCOMMON(e){let t={surfaces:{},samplers:{}};for(let n=0,r=e.childNodes.length;n<r;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`newparam`:this.parseEffectNewparam(r,t);break;case`technique`:t.technique=this.parseEffectTechnique(r);break;case`extra`:t.extra=this.parseEffectExtra(r);break}}return t}parseEffectNewparam(e,t){let n=e.getAttribute(`sid`);for(let r=0,i=e.childNodes.length;r<i;r++){let i=e.childNodes[r];if(i.nodeType===1)switch(i.nodeName){case`surface`:t.surfaces[n]=this.parseEffectSurface(i);break;case`sampler2D`:t.samplers[n]=this.parseEffectSampler(i);break}}}parseEffectSurface(e){let t={};for(let n=0,r=e.childNodes.length;n<r;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`init_from`:t.init_from=r.textContent;break}}return t}parseEffectSampler(e){let t={};for(let n=0,r=e.childNodes.length;n<r;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`source`:t.source=r.textContent;break}}return t}parseEffectTechnique(e){let t={};for(let n=0,r=e.childNodes.length;n<r;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`constant`:case`lambert`:case`blinn`:case`phong`:t.type=r.nodeName,t.parameters=this.parseEffectParameters(r);break;case`extra`:t.extra=this.parseEffectExtra(r);break}}return t}parseEffectParameters(e){let t={};for(let n=0,r=e.childNodes.length;n<r;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`emission`:case`diffuse`:case`specular`:case`bump`:case`ambient`:case`shininess`:case`transparency`:t[r.nodeName]=this.parseEffectParameter(r);break;case`transparent`:t[r.nodeName]={opaque:r.hasAttribute(`opaque`)?r.getAttribute(`opaque`):`A_ONE`,data:this.parseEffectParameter(r)};break}}return t}parseEffectParameter(e){let t={};for(let n=0,r=e.childNodes.length;n<r;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`color`:t[r.nodeName]=K(r.textContent);break;case`float`:t[r.nodeName]=parseFloat(r.textContent);break;case`texture`:t[r.nodeName]={id:r.getAttribute(`texture`),extra:this.parseEffectParameterTexture(r)};break}}return t}parseEffectParameterTexture(e){let t={technique:{}};for(let n=0,r=e.childNodes.length;n<r;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`extra`:this.parseEffectParameterTextureExtra(r,t);break}}return t}parseEffectParameterTextureExtra(e,t){for(let n=0,r=e.childNodes.length;n<r;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`technique`:this.parseEffectParameterTextureExtraTechnique(r,t);break}}}parseEffectParameterTextureExtraTechnique(e,t){for(let n=0,r=e.childNodes.length;n<r;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`repeatU`:case`repeatV`:case`offsetU`:case`offsetV`:t.technique[r.nodeName]=parseFloat(r.textContent);break;case`wrapU`:case`wrapV`:r.textContent.toUpperCase()===`TRUE`?t.technique[r.nodeName]=1:r.textContent.toUpperCase()===`FALSE`?t.technique[r.nodeName]=0:t.technique[r.nodeName]=parseInt(r.textContent);break;case`bump`:t[r.nodeName]=this.parseEffectExtraTechniqueBump(r);break}}}parseEffectExtra(e){let t={};for(let n=0,r=e.childNodes.length;n<r;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`technique`:t.technique=this.parseEffectExtraTechnique(r);break}}return t}parseEffectExtraTechnique(e){let t={};for(let n=0,r=e.childNodes.length;n<r;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`double_sided`:t[r.nodeName]=parseInt(r.textContent);break;case`bump`:t[r.nodeName]=this.parseEffectExtraTechniqueBump(r);break}}return t}parseEffectExtraTechniqueBump(e){let t={};for(let n=0,r=e.childNodes.length;n<r;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`texture`:t[r.nodeName]={id:r.getAttribute(`texture`),texcoord:r.getAttribute(`texcoord`),extra:this.parseEffectParameterTexture(r)};break}}return t}parseMaterial(e){let t={name:e.getAttribute(`name`)};for(let n=0,r=e.childNodes.length;n<r;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`instance_effect`:t.url=J(r.getAttribute(`url`));break}}this.library.materials[e.getAttribute(`id`)]=t}parseCamera(e){let t={name:e.getAttribute(`name`)};for(let n=0,r=e.childNodes.length;n<r;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`optics`:t.optics=this.parseCameraOptics(r);break}}this.library.cameras[e.getAttribute(`id`)]=t}parseCameraOptics(e){for(let t=0;t<e.childNodes.length;t++){let n=e.childNodes[t];switch(n.nodeName){case`technique_common`:return this.parseCameraTechnique(n)}}return{}}parseCameraTechnique(e){let t={};for(let n=0;n<e.childNodes.length;n++){let r=e.childNodes[n];switch(r.nodeName){case`perspective`:case`orthographic`:t.technique=r.nodeName,t.parameters=this.parseCameraParameters(r);break}}return t}parseCameraParameters(e){let t={};for(let n=0;n<e.childNodes.length;n++){let r=e.childNodes[n];switch(r.nodeName){case`xfov`:case`yfov`:case`xmag`:case`ymag`:case`znear`:case`zfar`:case`aspect_ratio`:t[r.nodeName]=parseFloat(r.textContent);break}}return t}parseLight(e){let t={};for(let n=0,r=e.childNodes.length;n<r;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`technique_common`:t=this.parseLightTechnique(r);break}}this.library.lights[e.getAttribute(`id`)]=t}parseLightTechnique(e){let t={};for(let n=0,r=e.childNodes.length;n<r;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`directional`:case`point`:case`spot`:case`ambient`:t.technique=r.nodeName,t.parameters=this.parseLightParameters(r);break}}return t}parseLightParameters(e){let t={};for(let n=0,r=e.childNodes.length;n<r;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`color`:let e=K(r.textContent);t.color=new A().fromArray(e),E.colorSpaceToWorking(t.color,R);break;case`falloff_angle`:t.falloffAngle=parseFloat(r.textContent);break;case`quadratic_attenuation`:let n=parseFloat(r.textContent);t.distance=n?Math.sqrt(1/n):0;break}}return t}parseGeometry(e){let t={name:e.getAttribute(`name`),sources:{},vertices:{},primitives:[]},n=W(e,`mesh`)[0];if(n!==void 0){for(let e=0;e<n.childNodes.length;e++){let r=n.childNodes[e];if(r.nodeType!==1)continue;let i=r.getAttribute(`id`);switch(r.nodeName){case`source`:t.sources[i]=this.parseSource(r);break;case`vertices`:t.vertices=this.parseGeometryVertices(r);break;case`polygons`:case`lines`:case`linestrips`:case`polylist`:case`triangles`:t.primitives.push(this.parseGeometryPrimitive(r));break;default:}}this.library.geometries[e.getAttribute(`id`)]=t}}parseSource(e){let t={array:[],stride:3};for(let n=0;n<e.childNodes.length;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`float_array`:t.array=K(r.textContent);break;case`Name_array`:t.array=G(r.textContent);break;case`technique_common`:let e=W(r,`accessor`)[0];e!==void 0&&(t.stride=parseInt(e.getAttribute(`stride`)));break}}return t}parseGeometryVertices(e){let t={};for(let n=0;n<e.childNodes.length;n++){let r=e.childNodes[n];r.nodeType===1&&(t[r.getAttribute(`semantic`)]=J(r.getAttribute(`source`)))}return t}parseGeometryPrimitive(e){let t={type:e.nodeName,material:e.getAttribute(`material`),count:parseInt(e.getAttribute(`count`)),inputs:{},stride:0,hasUV:!1};for(let n=0,r=e.childNodes.length;n<r;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`input`:let e=J(r.getAttribute(`source`)),n=r.getAttribute(`semantic`),i=parseInt(r.getAttribute(`offset`)),a=parseInt(r.getAttribute(`set`)),o=a>0?n+a:n;t.inputs[o]={id:e,offset:i},t.stride=Math.max(t.stride,i+1),n===`TEXCOORD`&&(t.hasUV=!0);break;case`vcount`:t.vcount=q(r.textContent);break;case`p`:t.p=q(r.textContent);break}}return t.type===`polygons`&&(t.vcount=[t.p.length/t.stride]),t}parseLibraryJoint(e){this.library.joints[e.getAttribute(`id`)]=this.parseKinematicsJoint(e)}parseKinematicsModel(e){let t={name:e.getAttribute(`name`)||``,joints:{},links:[]};for(let n=0;n<e.childNodes.length;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`technique_common`:this.parseKinematicsTechniqueCommon(r,t);break}}this.library.kinematicsModels[e.getAttribute(`id`)]=t}parseKinematicsTechniqueCommon(e,t){for(let n=0;n<e.childNodes.length;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`joint`:t.joints[r.getAttribute(`sid`)]=this.parseKinematicsJoint(r);break;case`instance_joint`:t.joints[r.getAttribute(`sid`)]=this.library.joints[J(r.getAttribute(`url`))];break;case`link`:t.links.push(this.parseKinematicsLink(r));break}}}parseKinematicsJoint(e){let t;for(let n=0;n<e.childNodes.length;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`prismatic`:case`revolute`:t=this.parseKinematicsJointParameter(r);break}}return t}parseKinematicsJointParameter(e){let n={sid:e.getAttribute(`sid`),name:e.getAttribute(`name`)||``,axis:new t,limits:{min:0,max:0},type:e.nodeName,static:!1,zeroPosition:0,middlePosition:0};for(let t=0;t<e.childNodes.length;t++){let r=e.childNodes[t];if(r.nodeType===1)switch(r.nodeName){case`axis`:let e=K(r.textContent);n.axis.fromArray(e);break;case`limits`:let t=r.getElementsByTagName(`max`)[0],i=r.getElementsByTagName(`min`)[0];n.limits.max=parseFloat(t.textContent),n.limits.min=parseFloat(i.textContent);break}}return n.limits.min>=n.limits.max&&(n.static=!0),n.middlePosition=(n.limits.min+n.limits.max)/2,n}parseKinematicsLink(e){let t={sid:e.getAttribute(`sid`),name:e.getAttribute(`name`)||``,attachments:[],transforms:[]};for(let n=0;n<e.childNodes.length;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`attachment_full`:t.attachments.push(this.parseKinematicsAttachment(r));break;case`matrix`:case`translate`:case`rotate`:t.transforms.push(this.parseKinematicsTransform(r));break}}return t}parseKinematicsAttachment(e){let t={joint:e.getAttribute(`joint`).split(`/`).pop(),transforms:[],links:[]};for(let n=0;n<e.childNodes.length;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`link`:t.links.push(this.parseKinematicsLink(r));break;case`matrix`:case`translate`:case`rotate`:t.transforms.push(this.parseKinematicsTransform(r));break}}return t}parseKinematicsTransform(n){let r={type:n.nodeName},i=K(n.textContent);switch(r.type){case`matrix`:r.obj=new e,r.obj.fromArray(i).transpose();break;case`translate`:r.obj=new t,r.obj.fromArray(i);break;case`rotate`:r.obj=new t,r.obj.fromArray(i),r.angle=y.degToRad(i[3]);break}return r}parsePhysicsModel(e){let t={name:e.getAttribute(`name`)||``,rigidBodies:{}};for(let n=0;n<e.childNodes.length;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`rigid_body`:t.rigidBodies[r.getAttribute(`name`)]={},this.parsePhysicsRigidBody(r,t.rigidBodies[r.getAttribute(`name`)]);break}}this.library.physicsModels[e.getAttribute(`id`)]=t}parsePhysicsRigidBody(e,t){for(let n=0;n<e.childNodes.length;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`technique_common`:this.parsePhysicsTechniqueCommon(r,t);break}}}parsePhysicsTechniqueCommon(e,t){for(let n=0;n<e.childNodes.length;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`inertia`:t.inertia=K(r.textContent);break;case`mass`:t.mass=K(r.textContent)[0];break}}}parseKinematicsScene(e){let t={bindJointAxis:[]};for(let n=0;n<e.childNodes.length;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`bind_joint_axis`:t.bindJointAxis.push(this.parseKinematicsBindJointAxis(r));break}}this.library.kinematicsScenes[J(e.getAttribute(`url`))]=t}parseKinematicsBindJointAxis(e){let t={target:e.getAttribute(`target`).split(`/`).pop()};for(let n=0;n<e.childNodes.length;n++){let r=e.childNodes[n];if(r.nodeType===1)switch(r.nodeName){case`axis`:t.axis=r.getElementsByTagName(`param`)[0].textContent;let e=t.axis.split(`inst_`).pop().split(`axis`)[0];t.jointIndex=e.substring(0,e.length-1);break}}return t}prepareNodes(e){let t=e.getElementsByTagName(`node`);for(let e=0;e<t.length;e++){let n=t[e];n.hasAttribute(`id`)===!1&&n.setAttribute(`id`,this.generateId())}}parseNode(n){let r=new e,i=new t,a={name:n.getAttribute(`name`)||``,type:n.getAttribute(`type`),id:n.getAttribute(`id`),sid:n.getAttribute(`sid`),matrix:new e,nodes:[],instanceCameras:[],instanceControllers:[],instanceLights:[],instanceGeometries:[],instanceNodes:[],transforms:{},transformData:{},transformOrder:[]};for(let e=0;e<n.childNodes.length;e++){let t=n.childNodes[e];if(t.nodeType!==1)continue;let o;switch(t.nodeName){case`node`:a.nodes.push(t.getAttribute(`id`)),this.parseNode(t);break;case`instance_camera`:a.instanceCameras.push(J(t.getAttribute(`url`)));break;case`instance_controller`:a.instanceControllers.push(this.parseNodeInstance(t));break;case`instance_light`:a.instanceLights.push(J(t.getAttribute(`url`)));break;case`instance_geometry`:a.instanceGeometries.push(this.parseNodeInstance(t));break;case`instance_node`:a.instanceNodes.push(J(t.getAttribute(`url`)));break;case`matrix`:o=K(t.textContent),a.matrix.multiply(r.fromArray(o).transpose());{let e=t.getAttribute(`sid`);a.transforms[e]=t.nodeName,a.transformData[e]={type:`matrix`,array:o},a.transformOrder.push(e)}break;case`translate`:o=K(t.textContent),i.fromArray(o),a.matrix.multiply(r.makeTranslation(i.x,i.y,i.z));{let e=t.getAttribute(`sid`);a.transforms[e]=t.nodeName,a.transformData[e]={type:`translate`,x:o[0],y:o[1],z:o[2]},a.transformOrder.push(e)}break;case`rotate`:o=K(t.textContent);{let e=y.degToRad(o[3]);a.matrix.multiply(r.makeRotationAxis(i.fromArray(o),e));let n=t.getAttribute(`sid`);a.transforms[n]=t.nodeName,a.transformData[n]={type:`rotate`,axis:[o[0],o[1],o[2]],angle:o[3]},a.transformOrder.push(n)}break;case`scale`:o=K(t.textContent),a.matrix.scale(i.fromArray(o));{let e=t.getAttribute(`sid`);a.transforms[e]=t.nodeName,a.transformData[e]={type:`scale`,x:o[0],y:o[1],z:o[2]},a.transformOrder.push(e)}break;case`extra`:break;default:}}return this.hasNode(a.id)?console.warn(`THREE.ColladaLoader: There is already a node with ID %s. Exclude current node from further processing.`,a.id):this.library.nodes[a.id]=a,a}parseNodeInstance(e){let t={id:J(e.getAttribute(`url`)),materials:{},skeletons:[]};for(let n=0;n<e.childNodes.length;n++){let r=e.childNodes[n];switch(r.nodeName){case`bind_material`:let e=r.getElementsByTagName(`instance_material`);for(let n=0;n<e.length;n++){let r=e[n],i=r.getAttribute(`symbol`),a=r.getAttribute(`target`);t.materials[i]=J(a)}break;case`skeleton`:t.skeletons.push(J(r.textContent));break;default:break}}return t}parseVisualScene(e){let t={name:e.getAttribute(`name`),children:[]};this.prepareNodes(e);let n=W(e,`node`);for(let e=0;e<n.length;e++)t.children.push(this.parseNode(n[e]));this.library.visualScenes[e.getAttribute(`id`)]=t}hasNode(e){return this.library.nodes[e]!==void 0}},X=class{constructor(n,r,i,a){this.library=n,this.collada=r,this.textureLoader=i,this.tgaLoader=a,this.tempColor=new A,this.animations=[],this.kinematics={},this.position=new t,this.scale=new t,this.quaternion=new B,this.matrix=new e,this.deferredPivotAnimations={},this.transformNodes={}}compose(){let e=this.library;this.buildLibrary(e.animations,this.buildAnimation.bind(this)),this.buildLibrary(e.clips,this.buildAnimationClip.bind(this)),this.buildLibrary(e.controllers,this.buildController.bind(this)),this.buildLibrary(e.images,this.buildImage.bind(this)),this.buildLibrary(e.effects,this.buildEffect.bind(this)),this.buildLibrary(e.materials,this.buildMaterial.bind(this)),this.buildLibrary(e.cameras,this.buildCamera.bind(this)),this.buildLibrary(e.lights,this.buildLight.bind(this)),this.buildLibrary(e.geometries,this.buildGeometry.bind(this)),this.buildLibrary(e.visualScenes,this.buildVisualScene.bind(this)),this.setupAnimations(),this.setupKinematics();let t=this.parseScene(W(this.collada,`scene`)[0]);return t.animations=this.animations,{scene:t,animations:this.animations,kinematics:this.kinematics}}buildLibrary(e,t){for(let n in e){let r=e[n];r.build=t(e[n])}}getBuild(e,t){return e.build===void 0&&(e.build=t(e)),e.build}isEmpty(e){return Object.keys(e).length===0}buildAnimation(e){let t=[],n=e.channels,r=e.samplers,i=e.sources,a=this.aggregateAnimationChannels(n,r,i);for(let e in a){let n=this.library.nodes[e];if(!n)continue;let r=a[e];if(this.hasPivotTransforms(n))this.collectDeferredPivotAnimation(e,r);else{let i=this.getNode(e),a=!1;for(let e in r){let o=n.transforms[e],s=n.transformData[e],c=r[e];switch(o){case`matrix`:this.buildMatrixTracks(i,c,n,t);break;case`translate`:this.buildTranslateTrack(i,c,s,t);break;case`rotate`:a||=(this.buildRotateTrack(i,e,c,s,n,t),!0);break;case`scale`:this.buildScaleTrack(i,c,s,t);break}}}}return t}collectDeferredPivotAnimation(e,t){this.deferredPivotAnimations[e]||(this.deferredPivotAnimations[e]={});let n=this.deferredPivotAnimations[e];for(let e in t){n[e]||(n[e]={});for(let r in t[e])n[e][r]=t[e][r]}}hasPivotTransforms(e){for(let t of[`rotatePivot`,`rotatePivotInverse`,`rotatePivotTranslation`,`scalePivot`,`scalePivotInverse`,`scalePivotTranslation`])if(e.transforms[t]!==void 0)return!0;return!1}getAnimation(e){return this.getBuild(this.library.animations[e],this.buildAnimation.bind(this))}aggregateAnimationChannels(e,t,n){let r={};for(let i in e){if(!e.hasOwnProperty(i))continue;let a=e[i],o=t[a.sampler],s=o.inputs.INPUT,c=o.inputs.OUTPUT,l=n[s],u=n[c],d=o.inputs.INTERPOLATION,f=o.inputs.IN_TANGENT,p=o.inputs.OUT_TANGENT,m=d?n[d]:null,h=f?n[f]:null,g=p?n[p]:null,_=a.id,v=a.sid,y=a.member||`default`;r[_]||(r[_]={}),r[_][v]||(r[_][v]={}),r[_][v][y]={times:l.array,values:u.array,stride:u.stride,arraySyntax:a.arraySyntax,indices:a.indices,interpolation:m?m.array:null,inTangent:h?h.array:null,outTangent:g?g.array:null,inTangentStride:h?h.stride:0,outTangentStride:g?g.stride:0}}return r}buildMatrixTracks(e,t,n,r){let i=n.matrix.clone().transpose(),a={};for(let e in t){let n=t[e],r=n.times,i=n.values,o=n.stride;for(let e=0,t=r.length;e<t;e++){let t=r[e],s=e*o;if(a[t]===void 0&&(a[t]={}),n.arraySyntax===!0){let e=i[s],r=n.indices[0]+4*n.indices[1];a[t][r]=e}else for(let e=0;e<o;e++)a[t][e]=i[s+e]}}let o=this.prepareAnimationData(a,i),s={name:e.uuid,keyframes:o};this.createKeyframeTracks(s,r)}buildTranslateTrack(e,t,n,r){if(t.default&&t.default.stride===3){let n=t.default,i=Array.from(n.times),a=Array.from(n.values),o=new l(e.uuid+`.position`,i,a),s=this.getInterpolationInfo(t);this.applyInterpolation(o,s,t),r.push(o);return}let i=this.getTimesForAllAxes(t);if(i.length===0)return;let a=[],o=this.getInterpolationInfo(t);for(let e=0;e<i.length;e++){let r=i[e],o=this.getValueAtTime(t.X,r,n.x),s=this.getValueAtTime(t.Y,r,n.y),c=this.getValueAtTime(t.Z,r,n.z);a.push(o,s,c)}let s=new l(e.uuid+`.position`,i,a);this.applyInterpolation(s,o),r.push(s)}buildRotateTrack(e,n,r,i,a,o){let s=r.ANGLE||r.default;if(!s)return;let c=Array.from(s.times);if(c.length===0)return;let l=[];for(let e of a.transformOrder)if(a.transforms[e]===`rotate`){let n=a.transformData[e];l.push({sid:e,axis:new t(n.axis[0],n.axis[1],n.axis[2]),defaultAngle:n.angle})}let u=new B,d=new B,f=new B,p=[],m=this.getInterpolationInfo(r);for(let e=0;e<c.length;e++){let t=c[e];u.identity();for(let e of l){let r;r=e.sid===n?this.getValueAtTime(s,t,e.defaultAngle):e.defaultAngle;let i=y.degToRad(r);f.setFromAxisAngle(e.axis,i),u.multiply(f)}e>0&&d.dot(u)<0&&(u.x=-u.x,u.y=-u.y,u.z=-u.z,u.w=-u.w),d.copy(u),p.push(u.x,u.y,u.z,u.w)}let h=new x(e.uuid+`.quaternion`,c,p);this.applyInterpolation(h,m),o.push(h)}buildScaleTrack(e,t,n,r){if(t.default&&t.default.stride===3){let n=t.default,i=Array.from(n.times),a=Array.from(n.values),o=new l(e.uuid+`.scale`,i,a),s=this.getInterpolationInfo(t);this.applyInterpolation(o,s,t),r.push(o);return}let i=this.getTimesForAllAxes(t);if(i.length===0)return;let a=[],o=this.getInterpolationInfo(t);for(let e=0;e<i.length;e++){let r=i[e],o=this.getValueAtTime(t.X,r,n.x),s=this.getValueAtTime(t.Y,r,n.y),c=this.getValueAtTime(t.Z,r,n.z);a.push(o,s,c)}let s=new l(e.uuid+`.scale`,i,a);this.applyInterpolation(s,o),r.push(s)}getTimesForAllAxes(e){let t=[];return e.X&&(t=t.concat(Array.from(e.X.times))),e.Y&&(t=t.concat(Array.from(e.Y.times))),e.Z&&(t=t.concat(Array.from(e.Z.times))),e.ANGLE&&(t=t.concat(Array.from(e.ANGLE.times))),e.default&&(t=t.concat(Array.from(e.default.times))),t=[...new Set(t)].sort((e,t)=>e-t),t}getValueAtTime(e,t,n){if(!e)return n;let r=e.times,i=e.values,a=e.interpolation;for(let n=0;n<r.length;n++){if(r[n]===t)return i[n];if(r[n]>t){if(n===0)return i[0];let o=n-1,s=n,c=r[o],l=r[s],u=i[o],d=i[s],f=a?a[o]:`LINEAR`;return f===`STEP`?u:f===`BEZIER`&&e.inTangent&&e.outTangent?this.evaluateBezierComponent(e,o,s,c,l,t):u+(t-c)/(l-c)*(d-u)}}return i[i.length-1]}evaluateBezierComponent(e,t,n,r,i,a){let o=e.values,s=e.inTangent,c=e.outTangent,l=e.inTangentStride||1,u=o[t],d=o[n],f,p,m,h;l===2?(f=c[t*2],p=c[t*2+1],m=s[n*2],h=s[n*2+1]):(f=r+(i-r)/3,p=c[t],m=i-(i-r)/3,h=s[n]);let g=(a-r)/(i-r);for(let e=0;e<8;e++){let e=g*g,t=e*g,n=1-g,o=n*n,s=o*n*r+3*o*g*f+3*n*e*m+t*i,c=3*o*(f-r)+6*n*g*(m-f)+3*e*(i-m);if(Math.abs(c)<1e-10)break;let l=s-a;if(Math.abs(l)<1e-10)break;g-=l/c,g=Math.max(0,Math.min(1,g))}let _=g*g,v=_*g,y=1-g,b=y*y;return b*y*u+3*b*g*p+3*y*_*h+v*d}getInterpolationInfo(e){let t=[`X`,`Y`,`Z`,`ANGLE`,`default`],n=null,r=!0;for(let i of t){let t=e[i];if(!t||!t.interpolation)continue;let a=t.interpolation;for(let e=0;e<a.length;e++){let t=a[e];n===null?n=t:t!==n&&(r=!1)}}return{type:n||`LINEAR`,uniform:r}}applyInterpolation(e,t,n=null){if(t.type===`STEP`&&t.uniform)e.setInterpolation(u);else if(t.type===`BEZIER`&&t.uniform&&n){let t=n.default;t&&t.inTangent&&t.outTangent&&(e.setInterpolation(s),e.settings={inTangents:new Float32Array(t.inTangent),outTangents:new Float32Array(t.outTangent)})}}prepareAnimationData(e,t){let n=[];for(let t in e)n.push({time:parseFloat(t),value:e[t]});n.sort((e,t)=>e.time-t.time);for(let e=0;e<16;e++)this.transformAnimationData(n,e,t.elements[e]);return n}createKeyframeTracks(e,t){let n=e.keyframes,r=e.name,i=[],a=[],o=[],s=[],c=this.position,u=this.quaternion,d=this.scale,f=this.matrix;for(let e=0,t=n.length;e<t;e++){let t=n[e],r=t.time,l=t.value;f.fromArray(l).transpose(),f.decompose(c,u,d),i.push(r),a.push(c.x,c.y,c.z),o.push(u.x,u.y,u.z,u.w),s.push(d.x,d.y,d.z)}return a.length>0&&t.push(new l(r+`.position`,i,a)),o.length>0&&t.push(new x(r+`.quaternion`,i,o)),s.length>0&&t.push(new l(r+`.scale`,i,s)),t}transformAnimationData(e,t,n){let r,i=!0,a,o;for(a=0,o=e.length;a<o;a++)r=e[a],r.value[t]===void 0?r.value[t]=null:i=!1;if(i===!0)for(a=0,o=e.length;a<o;a++)r=e[a],r.value[t]=n;else this.createMissingKeyframes(e,t)}createMissingKeyframes(e,t){let n,r;for(let i=0,a=e.length;i<a;i++){let a=e[i];if(a.value[t]===null){if(n=this.getPrev(e,i,t),r=this.getNext(e,i,t),n===null){a.value[t]=r.value[t];continue}if(r===null){a.value[t]=n.value[t];continue}this.interpolate(a,n,r,t)}}}getPrev(e,t,n){for(;t>=0;){let r=e[t];if(r.value[n]!==null)return r;t--}return null}getNext(e,t,n){for(;t<e.length;){let r=e[t];if(r.value[n]!==null)return r;t++}return null}interpolate(e,t,n,r){if(n.time-t.time===0){e.value[r]=t.value[r];return}e.value[r]=(e.time-t.time)*(n.value[r]-t.value[r])/(n.time-t.time)+t.value[r]}buildAnimationClip(e){let t=[],n=e.name,r=e.end-e.start||-1,i=e.animations;for(let e=0,n=i.length;e<n;e++){let n=this.getAnimation(i[e]);for(let e=0,r=n.length;e<r;e++)t.push(n[e])}return new N(n,r,t)}getAnimationClip(e){return this.getBuild(this.library.clips[e],this.buildAnimationClip.bind(this))}buildController(e){let t={id:e.id},n=this.library.geometries[t.id];return e.skin!==void 0&&(t.skin=this.buildSkin(e.skin),n.sources.skinIndices=t.skin.indices,n.sources.skinWeights=t.skin.weights),t}buildSkin(t){let n={joints:[],indices:{array:[],stride:4},weights:{array:[],stride:4}},r=t.sources,i=t.vertexWeights,a=i.vcount,o=i.v,s=i.inputs.JOINT.offset,c=i.inputs.WEIGHT.offset,l=t.sources[t.joints.inputs.JOINT],u=t.sources[t.joints.inputs.INV_BIND_MATRIX],d=r[i.inputs.WEIGHT.id].array,f=0,p,m,h;for(p=0,h=a.length;p<h;p++){let e=a[p],t=[];for(m=0;m<e;m++){let e=o[f+s],n=d[o[f+c]];t.push({index:e,weight:n}),f+=2}for(t.sort(g),m=0;m<4;m++){let e=t[m];e===void 0?(n.indices.array.push(0),n.weights.array.push(0)):(n.indices.array.push(e.index),n.weights.array.push(e.weight))}}for(t.bindShapeMatrix?n.bindMatrix=new e().fromArray(t.bindShapeMatrix).transpose():n.bindMatrix=new e().identity(),p=0,h=l.array.length;p<h;p++){let t=l.array[p],r=new e().fromArray(u.array,p*u.stride).transpose();n.joints.push({name:t,boneInverse:r})}return n;function g(e,t){return t.weight-e.weight}}getController(e){return this.getBuild(this.library.controllers[e],this.buildController.bind(this))}buildImage(e){return e.build===void 0?e.init_from:e.build}getImage(e){let t=this.library.images[e];return t===void 0?(console.warn(`THREE.ColladaLoader: Couldn't find image with ID:`,e),null):this.getBuild(t,this.buildImage.bind(this))}buildEffect(e){return e}getEffect(e){return this.getBuild(this.library.effects[e],this.buildEffect.bind(this))}getTextureLoader(e){let t,n=e.slice((e.lastIndexOf(`.`)-1>>>0)+2);switch(n=n.toLowerCase(),n){case`tga`:t=this.tgaLoader;break;default:t=this.textureLoader}return t}buildMaterial(e){let t=this.getEffect(e.url),n=t.profile.technique,i;switch(n.type){case`phong`:case`blinn`:i=new P;break;case`lambert`:i=new O;break;default:i=new F;break}i.name=e.name||``;let a=this;function o(e,n=null){let i=t.profile.samplers[e.id],o=null;if(i!==void 0){let e=t.profile.surfaces[i.source];o=a.getImage(e.init_from)}else console.warn(`THREE.ColladaLoader: Undefined sampler. Access image directly (see #12530).`),o=a.getImage(e.id);if(o!==null){let t=a.getTextureLoader(o);if(t!==void 0){let i=t.load(o),s=e.extra;if(s!==void 0&&s.technique!==void 0&&a.isEmpty(s.technique)===!1){let e=s.technique;i.wrapS=e.wrapU?r:C,i.wrapT=e.wrapV?r:C,i.offset.set(e.offsetU||0,e.offsetV||0),i.repeat.set(e.repeatU||1,e.repeatV||1)}else i.wrapS=r,i.wrapT=r;return n!==null&&(i.colorSpace=n),i}else return console.warn(`THREE.ColladaLoader: Loader for texture %s not found.`,o),null}else return console.warn(`THREE.ColladaLoader: Couldn't create texture with ID:`,e.id),null}let s=n.parameters;for(let e in s){let t=s[e];switch(e){case`diffuse`:t.color&&i.color.fromArray(t.color),t.texture&&(i.map=o(t.texture,R));break;case`specular`:t.color&&i.specular&&i.specular.fromArray(t.color),t.texture&&(i.specularMap=o(t.texture));break;case`bump`:t.texture&&(i.normalMap=o(t.texture));break;case`ambient`:t.texture&&(i.lightMap=o(t.texture,R));break;case`shininess`:t.float&&i.shininess&&(i.shininess=t.float);break;case`emission`:t.color&&i.emissive&&i.emissive.fromArray(t.color),t.texture&&(i.emissiveMap=o(t.texture,R));break}}E.colorSpaceToWorking(i.color,R),i.specular&&E.colorSpaceToWorking(i.specular,R),i.emissive&&E.colorSpaceToWorking(i.emissive,R);let c=s.transparent,l=s.transparency;if(l===void 0&&c&&(l={float:1}),c===void 0&&l&&(c={opaque:`A_ONE`,data:{color:[1,1,1,1]}}),c&&l)if(c.data.texture)i.transparent=!0;else{let e=c.data.color;switch(c.opaque){case`A_ONE`:i.opacity=e[3]*l.float;break;case`RGB_ZERO`:i.opacity=1-e[0]*l.float;break;case`A_ZERO`:i.opacity=1-e[3]*l.float;break;case`RGB_ONE`:i.opacity=e[0]*l.float;break;default:console.warn(`THREE.ColladaLoader: Invalid opaque type "%s" of transparent tag.`,c.opaque)}i.opacity<1&&(i.transparent=!0)}if(n.extra!==void 0&&n.extra.technique!==void 0){let e=n.extra.technique;for(let t in e){let n=e[t];switch(t){case`double_sided`:i.side=n===1?2:0;break;case`bump`:i.normalMap=o(n.texture),i.normalScale=new H(1,1);break}}}return i}getMaterial(e){return this.getBuild(this.library.materials[e],this.buildMaterial.bind(this))}buildCamera(e){let t;switch(e.optics.technique){case`perspective`:t=new j(e.optics.parameters.yfov,e.optics.parameters.aspect_ratio,e.optics.parameters.znear,e.optics.parameters.zfar);break;case`orthographic`:let n=e.optics.parameters.ymag,r=e.optics.parameters.xmag,i=e.optics.parameters.aspect_ratio;r=r===void 0?n*i:r,n=n===void 0?r/i:n,r*=.5,n*=.5,t=new w(-r,r,n,-n,e.optics.parameters.znear,e.optics.parameters.zfar);break;default:t=new j;break}return t.name=e.name||``,t}getCamera(e){let t=this.library.cameras[e];return t===void 0?(console.warn(`THREE.ColladaLoader: Couldn't find camera with ID:`,e),null):this.getBuild(t,this.buildCamera.bind(this))}buildLight(e){let t;switch(e.technique){case`directional`:t=new z;break;case`point`:t=new T;break;case`spot`:t=new p;break;case`ambient`:t=new D;break}return e.parameters.color&&t.color.copy(e.parameters.color),e.parameters.distance&&(t.distance=e.parameters.distance),e.parameters.falloffAngle&&(t.angle=y.degToRad(e.parameters.falloffAngle)),t}getLight(e){let t=this.library.lights[e];return t===void 0?(console.warn(`THREE.ColladaLoader: Couldn't find light with ID:`,e),null):this.getBuild(t,this.buildLight.bind(this))}groupPrimitives(e){let t={};for(let n=0;n<e.length;n++){let r=e[n];t[r.type]===void 0&&(t[r.type]=[]),t[r.type].push(r)}return t}checkUVCoordinates(e){let t=0;for(let n=0,r=e.length;n<r;n++)e[n].hasUV===!0&&t++;t>0&&t<e.length&&(e.uvsNeedsFix=!0)}buildGeometry(e){let t={},n=e.sources,r=e.vertices,i=e.primitives;if(i.length===0)return{};let a=this.groupPrimitives(i);for(let e in a){let i=a[e];this.checkUVCoordinates(i),t[e]=this.buildGeometryType(i,n,r)}return t}buildGeometryType(e,t,n){let r={},i={array:[],stride:0},a={array:[],stride:0},o={array:[],stride:0},s={array:[],stride:0},c={array:[],stride:0},l={array:[],stride:4},u={array:[],stride:4},d=new I,f=[],p=0;for(let r=0;r<e.length;r++){let m=e[r],h=m.inputs,g=0;switch(m.type){case`lines`:case`linestrips`:g=m.count*2;break;case`triangles`:g=m.count*3;break;case`polygons`:case`polylist`:for(let e=0;e<m.count;e++){let t=m.vcount[e];switch(t){case 3:g+=3;break;case 4:g+=6;break;default:g+=(t-2)*3;break}}break;default:console.warn(`THREE.ColladaLoader: Unknown primitive type:`,m.type)}d.addGroup(p,g,r),p+=g,m.material&&f.push(m.material);for(let r in h){let d=h[r];switch(r){case`VERTEX`:for(let r in n){let f=n[r];switch(r){case`POSITION`:let n=i.array.length;if(this.buildGeometryData(m,t[f],d.offset,i.array),i.stride=t[f].stride,t.skinWeights&&t.skinIndices&&(this.buildGeometryData(m,t.skinIndices,d.offset,l.array),this.buildGeometryData(m,t.skinWeights,d.offset,u.array)),m.hasUV===!1&&e.uvsNeedsFix===!0){let e=(i.array.length-n)/i.stride;for(let t=0;t<e;t++)o.array.push(0,0)}break;case`NORMAL`:this.buildGeometryData(m,t[f],d.offset,a.array),a.stride=t[f].stride;break;case`COLOR`:this.buildGeometryData(m,t[f],d.offset,c.array),c.stride=t[f].stride;break;case`TEXCOORD`:this.buildGeometryData(m,t[f],d.offset,o.array),o.stride=t[f].stride;break;case`TEXCOORD1`:this.buildGeometryData(m,t[f],d.offset,s.array),o.stride=t[f].stride;break;default:console.warn(`THREE.ColladaLoader: Semantic "%s" not handled in geometry build process.`,r)}}break;case`NORMAL`:this.buildGeometryData(m,t[d.id],d.offset,a.array),a.stride=t[d.id].stride;break;case`COLOR`:this.buildGeometryData(m,t[d.id],d.offset,c.array,!0),c.stride=t[d.id].stride;break;case`TEXCOORD`:this.buildGeometryData(m,t[d.id],d.offset,o.array),o.stride=t[d.id].stride;break;case`TEXCOORD1`:this.buildGeometryData(m,t[d.id],d.offset,s.array),s.stride=t[d.id].stride;break}}}return i.array.length>0&&d.setAttribute(`position`,new L(i.array,i.stride)),a.array.length>0&&d.setAttribute(`normal`,new L(a.array,a.stride)),c.array.length>0&&d.setAttribute(`color`,new L(c.array,c.stride)),o.array.length>0&&d.setAttribute(`uv`,new L(o.array,o.stride)),s.array.length>0&&d.setAttribute(`uv1`,new L(s.array,s.stride)),l.array.length>0&&d.setAttribute(`skinIndex`,new L(l.array,l.stride)),u.array.length>0&&d.setAttribute(`skinWeight`,new L(u.array,u.stride)),r.data=d,r.type=e[0].type,r.materialKeys=f,r}buildGeometryData(e,n,r,i,a=!1){let s=e.p,c=e.stride,l=e.vcount,u=this.tempColor;function d(e){let t=s[e+r]*m,n=t+m;for(;t<n;t++)i.push(p[t]);if(a){let e=i.length-m-1;u.setRGB(i[e+0],i[e+1],i[e+2],R),i[e+0]=u.r,i[e+1]=u.g,i[e+2]=u.b}}let p=n.array,m=n.stride;if(e.vcount!==void 0){let e=0;for(let n=0,r=l.length;n<r;n++){let r=l[n];if(r===4){let t=e+c*0,n=e+c*1,r=e+c*2,i=e+c*3;d(t),d(n),d(i),d(n),d(r),d(i)}else if(r===3){let t=e+c*0,n=e+c*1,r=e+c*2;d(t),d(n),d(r)}else if(r>4){let n=[];for(let i=0;i<r;i++){let r=s[e+c*i]*m,a=p[r],o=p[r+1],l=p[r+2];n.push(new t(a,o,l))}let i=new t,a=new f;a.a=n[0],a.b=n[1],a.c=n[2],a.getNormal(i);let l=[];if(Math.abs(i.x)>Math.abs(i.y)&&Math.abs(i.x)>Math.abs(i.z))for(let e=0;e<r;e++)l.push(new H(n[e].y,n[e].z));else if(Math.abs(i.y)>Math.abs(i.z))for(let e=0;e<r;e++)l.push(new H(n[e].x,n[e].z));else for(let e=0;e<r;e++)l.push(new H(n[e].x,n[e].y));let u=o.isClockWise(l);u===!0&&l.reverse();let h=o.triangulateShape(l,[]);for(let t=0;t<h.length;t++){let n=h[t],i,a,o;u===!1?(i=n[0],a=n[1],o=n[2]):(i=r-1-n[0],a=r-1-n[2],o=r-1-n[1]);let s=e+c*i,l=e+c*a,f=e+c*o;d(s),d(l),d(f)}}e+=c*r}}else for(let e=0,t=s.length;e<t;e+=c)d(e)}getGeometry(e){return this.getBuild(this.library.geometries[e],this.buildGeometry.bind(this))}buildKinematicsModel(e){return e.build===void 0?e:e.build}getKinematicsModel(e){return this.getBuild(this.library.kinematicsModels[e],this.buildKinematicsModel.bind(this))}buildKinematicsScene(e){return e.build===void 0?e:e.build}getKinematicsScene(e){return this.getBuild(this.library.kinematicsScenes[e],this.buildKinematicsScene.bind(this))}setupKinematics(){let t=Object.keys(this.library.kinematicsModels)[0],n=Object.keys(this.library.kinematicsScenes)[0],r=Object.keys(this.library.visualScenes)[0];if(t===void 0||n===void 0)return;let i=this.getKinematicsModel(t),a=this.getKinematicsScene(n),o=this.getVisualScene(r),s=a.bindJointAxis,c={},l=this.collada,u=this;for(let e=0,t=s.length;e<t;e++){let t=s[e],n=l.querySelector(`[sid="`+t.target+`"]`);if(n){let e=n.parentElement;d(t.jointIndex,e)}}function d(e,t){let n=t.getAttribute(`name`),r=i.joints[e],a=u.buildTransformList(t);o.traverse(function(t){t.name===n&&(c[e]={object:t,transforms:a,joint:r,position:r.zeroPosition})})}let f=new e,p=this.matrix;this.kinematics={joints:i&&i.joints,getJointValue:function(e){let t=c[e];if(t)return t.position;console.warn(`THREE.ColladaLoader: Joint `+e+` doesn't exist.`)},setJointValue:function(e,t){let n=c[e];if(n){let r=n.joint;if(t>r.limits.max||t<r.limits.min)console.warn(`THREE.ColladaLoader: Joint `+e+` value `+t+` outside of limits (min: `+r.limits.min+`, max: `+r.limits.max+`).`);else if(r.static)console.warn(`THREE.ColladaLoader: Joint `+e+` is static.`);else{let i=n.object,a=r.axis,o=n.transforms;p.identity();for(let n=0;n<o.length;n++){let i=o[n];if(i.sid&&i.sid.indexOf(e)!==-1)switch(r.type){case`revolute`:p.multiply(f.makeRotationAxis(a,y.degToRad(t)));break;case`prismatic`:p.multiply(f.makeTranslation(a.x*t,a.y*t,a.z*t));break;default:console.warn(`THREE.ColladaLoader: Unknown joint type: `+r.type);break}else switch(i.type){case`matrix`:p.multiply(i.obj);break;case`translate`:p.multiply(f.makeTranslation(i.obj.x,i.obj.y,i.obj.z));break;case`scale`:p.scale(i.obj);break;case`rotate`:p.multiply(f.makeRotationAxis(i.obj,i.angle));break}}i.matrix.copy(p),i.matrix.decompose(i.position,i.quaternion,i.scale),c[e].position=t}}else console.warn(`THREE.ColladaLoader: Joint `+e+` does not exist.`)}}}buildTransformList(n){let r=[],i=this.collada.querySelector(`[id="`+n.id+`"]`);for(let n=0;n<i.childNodes.length;n++){let a=i.childNodes[n];if(a.nodeType!==1)continue;let o,s;switch(a.nodeName){case`matrix`:o=K(a.textContent);let n=new e().fromArray(o).transpose();r.push({sid:a.getAttribute(`sid`),type:a.nodeName,obj:n});break;case`translate`:case`scale`:o=K(a.textContent),s=new t().fromArray(o),r.push({sid:a.getAttribute(`sid`),type:a.nodeName,obj:s});break;case`rotate`:o=K(a.textContent),s=new t().fromArray(o);let i=y.degToRad(o[3]);r.push({sid:a.getAttribute(`sid`),type:a.nodeName,obj:s,angle:i});break}}return r}buildSkeleton(e,t){let n=[],r=[],a,o,s;for(a=0;a<e.length;a++){let r=e[a],i;if(this.hasNode(r))i=this.getNode(r),this.buildBoneHierarchy(i,t,n);else if(this.hasVisualScene(r)){let e=this.library.visualScenes[r].children;for(let r=0;r<e.length;r++){let i=e[r];if(i.type===`JOINT`){let e=this.getNode(i.id);this.buildBoneHierarchy(e,t,n)}}}else console.error(`THREE.ColladaLoader: Unable to find root bone of skeleton with ID:`,r)}for(a=0;a<t.length;a++)for(o=0;o<n.length;o++)if(s=n[o],s.bone.name===t[a].name){r[a]=s,s.processed=!0;break}for(a=0;a<n.length;a++)s=n[a],s.processed===!1&&(r.push(s),s.processed=!0);let c=[],l=[];for(a=0;a<r.length;a++)s=r[a],c.push(s.bone),l.push(s.boneInverse);return new i(c,l)}buildBoneHierarchy(t,n,r){t.traverse(function(t){if(t.isBone===!0){let i;for(let e=0;e<n.length;e++){let r=n[e];if(r.name===t.name){i=r.boneInverse;break}}i===void 0&&(i=new e),r.push({bone:t,boneInverse:i,processed:!1})}})}buildNode(e){let t=[],n=e.matrix,r=e.nodes,i=e.type,o=e.instanceCameras,s=e.instanceControllers,c=e.instanceLights,l=e.instanceGeometries,u=e.instanceNodes;for(let e=0,n=r.length;e<n;e++)t.push(this.getNode(r[e]));for(let e=0,n=o.length;e<n;e++){let n=this.getCamera(o[e]);n!==null&&t.push(n.clone())}for(let e=0,n=s.length;e<n;e++){let n=s[e],r=this.getController(n.id),i=this.getGeometry(r.id),a=this.buildObjects(i,n.materials),o=n.skeletons,c=r.skin.joints,l=this.buildSkeleton(o,c);for(let e=0,n=a.length;e<n;e++){let n=a[e];n.isSkinnedMesh&&(n.bind(l,r.skin.bindMatrix),n.normalizeSkinWeights()),t.push(n)}}for(let e=0,n=c.length;e<n;e++){let n=this.getLight(c[e]);n!==null&&t.push(n.clone())}for(let e=0,n=l.length;e<n;e++){let n=l[e],r=this.getGeometry(n.id),i=this.buildObjects(r,n.materials);for(let e=0,n=i.length;e<n;e++)t.push(i[e])}for(let e=0,n=u.length;e<n;e++)t.push(this.getNode(u[e]).clone());let d;if(r.length===0&&t.length===1)d=t[0];else{d=i===`JOINT`?new k:new a;for(let e=0;e<t.length;e++)d.add(t[e])}return d.name=i===`JOINT`?e.sid:e.name,i!==`JOINT`&&this.hasPivotTransforms(e)?this.wrapWithTransformHierarchy(d,e):(d.matrix.copy(n),d.matrix.decompose(d.position,d.quaternion,d.scale),d)}wrapWithTransformHierarchy(n,r){let i=r.id;this.transformNodes[i]={};let o=r.transformOrder,s=r.transformData,c=new a;c.name=r.name;let l=c;for(let n=0;n<o.length;n++){let c=o[n],u=s[c],d=new a;switch(d.name=r.name+`_`+c,u.type){case`translate`:d.position.set(u.x,u.y,u.z);break;case`rotate`:{let e=new t(u.axis[0],u.axis[1],u.axis[2]),n=y.degToRad(u.angle);d.quaternion.setFromAxisAngle(e,n),d.userData.rotationAxis=e;break}case`scale`:d.scale.set(u.x,u.y,u.z);break;case`matrix`:new e().fromArray(u.array).transpose().decompose(d.position,d.quaternion,d.scale);break}this.transformNodes[i][c]=d,l.add(d),l=d}return l.add(n),c}resolveMaterialBinding(e,t){let n=[];for(let r=0,i=e.length;r<i;r++){let i=t[e[r]];i===void 0?(console.warn(`THREE.ColladaLoader: Material with key %s not found. Apply fallback material.`,e[r]),n.push(this.fallbackMaterial)):n.push(this.getMaterial(i))}return n}get fallbackMaterial(){return this._fallbackMaterial===void 0&&(this._fallbackMaterial=new F({name:d.DEFAULT_MATERIAL_NAME,color:16711935})),this._fallbackMaterial}buildObjects(e,t){let n=[];for(let r in e){let i=e[r],a=this.resolveMaterialBinding(i.materialKeys,t);if(a.length===0&&(r===`lines`||r===`linestrips`?a.push(new V):a.push(new P)),r===`lines`||r===`linestrips`)for(let e=0,t=a.length;e<t;e++){let t=a[e];if(t.isMeshPhongMaterial===!0||t.isMeshLambertMaterial===!0){let n=new V;n.color.copy(t.color),n.opacity=t.opacity,n.transparent=t.transparent,a[e]=n}}let o=i.data.attributes.skinIndex!==void 0,s=a.length===1?a[0]:a,c;switch(r){case`lines`:c=new v(i.data,s);break;case`linestrips`:c=new h(i.data,s);break;case`triangles`:case`polygons`:case`polylist`:c=o?new m(i.data,s):new S(i.data,s);break}n.push(c)}return n}hasNode(e){return this.library.nodes[e]!==void 0}getNode(e){return this.getBuild(this.library.nodes[e],this.buildNode.bind(this))}buildVisualScene(e){let t=new a;t.name=e.name;let n=e.children;for(let e=0;e<n.length;e++){let r=n[e];t.add(this.getNode(r.id))}return t}hasVisualScene(e){return this.library.visualScenes[e]!==void 0}getVisualScene(e){return this.getBuild(this.library.visualScenes[e],this.buildVisualScene.bind(this))}parseScene(e){let t=W(e,`instance_visual_scene`)[0];return this.getVisualScene(this.parseId(t.getAttribute(`url`)))}parseId(e){return e.substring(1)}setupAnimations(){let e=this.library.clips;if(this.isEmpty(e)===!0){if(this.isEmpty(this.library.animations)===!1){let e=[];for(let t in this.library.animations){let n=this.getAnimation(t);for(let t=0,r=n.length;t<r;t++)e.push(n[t])}this.buildDeferredPivotAnimationTracks(e),this.animations.push(new N(`default`,-1,e))}}else for(let t in e)this.animations.push(this.getAnimationClip(t))}buildDeferredPivotAnimationTracks(e){for(let t in this.deferredPivotAnimations){let n=this.library.nodes[t];if(!n)continue;let r=this.deferredPivotAnimations[t];this.buildTransformHierarchyTracks(t,r,n,e)}}buildTransformHierarchyTracks(e,t,n,r){let i=this.transformNodes[e];if(!i){console.warn(`THREE.ColladaLoader: Transform hierarchy not found for node:`,e);return}for(let e in t){let a=i[e];if(!a)continue;let o=n.transforms[e],s=n.transformData[e],c=t[e];switch(o){case`translate`:this.buildHierarchyTranslateTrack(a,c,s,r);break;case`rotate`:this.buildHierarchyRotateTrack(a,c,s,r);break;case`scale`:this.buildHierarchyScaleTrack(a,c,s,r);break}}}buildHierarchyTranslateTrack(e,t,n,r){if(t.default&&t.default.stride===3){let n=t.default,i=new l(e.uuid+`.position`,Array.from(n.times),Array.from(n.values)),a=this.getInterpolationInfo(t);this.applyInterpolation(i,a,t),r.push(i);return}let i=this.getTimesForAllAxes(t);if(i.length===0)return;let a=[],o=this.getInterpolationInfo(t);for(let e=0;e<i.length;e++){let r=i[e],o=this.getValueAtTime(t.X,r,n.x),s=this.getValueAtTime(t.Y,r,n.y),c=this.getValueAtTime(t.Z,r,n.z);a.push(o,s,c)}let s=new l(e.uuid+`.position`,i,a);this.applyInterpolation(s,o),r.push(s)}buildHierarchyRotateTrack(e,n,r,i){let a=n.ANGLE||n.default;if(!a)return;let o=Array.from(a.times);if(o.length===0)return;let s=e.userData.rotationAxis||new t(r.axis[0],r.axis[1],r.axis[2]),c=new B,l=new B,u=[],d=this.getInterpolationInfo(n);for(let e=0;e<o.length;e++){let t=o[e],n=this.getValueAtTime(a,t,r.angle),i=y.degToRad(n);c.setFromAxisAngle(s,i),e>0&&l.dot(c)<0&&(c.x=-c.x,c.y=-c.y,c.z=-c.z,c.w=-c.w),l.copy(c),u.push(c.x,c.y,c.z,c.w)}let f=new x(e.uuid+`.quaternion`,o,u);this.applyInterpolation(f,d),i.push(f)}buildHierarchyScaleTrack(e,t,n,r){if(t.default&&t.default.stride===3){let n=t.default,i=new l(e.uuid+`.scale`,Array.from(n.times),Array.from(n.values)),a=this.getInterpolationInfo(t);this.applyInterpolation(i,a,t),r.push(i);return}let i=this.getTimesForAllAxes(t);if(i.length===0)return;let a=[],o=this.getInterpolationInfo(t);for(let e=0;e<i.length;e++){let r=i[e],o=this.getValueAtTime(t.X,r,n.x),s=this.getValueAtTime(t.Y,r,n.y),c=this.getValueAtTime(t.Z,r,n.z);a.push(o,s,c)}let s=new l(e.uuid+`.scale`,i,a);this.applyInterpolation(s,o),r.push(s)}},Z=class extends d{load(e,t,r,i){let a=this,o=a.path===``?M.extractUrlBase(e):a.path,s=new n(a.manager);s.setPath(a.path),s.setRequestHeader(a.requestHeader),s.setWithCredentials(a.withCredentials),s.load(e,function(n){try{t(a.parse(n,o))}catch(t){i?i(t):console.error(t),a.manager.itemError(e)}},r,i)}parse(e,t){if(e.length===0)return{scene:new g};let n=new Y().parse(e);if(n===null)return null;let{library:r,asset:i,collada:a}=n,o=new c(this.manager);o.setPath(this.resourcePath||t).setCrossOrigin(this.crossOrigin);let s;U&&(s=new U(this.manager),s.setPath(this.resourcePath||t));let{scene:l,animations:u,kinematics:d}=new X(r,a,o,s).compose();return l.animations=u,i.upAxis===`Z_UP`&&(console.warn(`THREE.ColladaLoader: You are loading an asset with a Z-UP coordinate system. The loader just rotates the asset to transform it into Y-UP. The vertex data are not converted, see #24289.`),l.rotation.set(-Math.PI/2,0,0)),l.scale.multiplyScalar(i.unit),{get animations(){return console.warn(`THREE.ColladaLoader: Please access animations over scene.animations now.`),u},kinematics:d,library:r,scene:l}}};export{Z as ColladaLoader};