258 lines
8.4 KiB
JavaScript
258 lines
8.4 KiB
JavaScript
let slideShowInterval = null
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let grabHotspotTimer = null
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let grabHotspotStart = null
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/**
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* Sets listener and attributes on model-viewer to
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* allow for click registering of a new hotspot
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*/
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readyAddHotspot = function() {
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const previewMv = $('model-viewer')
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previewMv.one('click', clickAddHotspot)
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previewMv.addClass('AddingHotspot')
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previewMv[0].disableTap = true
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previewMv[0].toggleAttribute('camera-controls')
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}
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/**
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* Event listener callback to retrieve the info
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* about the model surface point selected by the
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* mouse and add that information to the editor
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* text input
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*
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* @param {PointerEvent} e
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*/
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clickAddHotspot = function(e) {
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const previewMv = $('model-viewer')
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previewMv.removeClass('AddingHotspot')
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let hsPosition = null
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let targetModel = previewMv[0]
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targetModel.disableTap = false
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targetModel.toggleAttribute('camera-controls')
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if (targetModel) {
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hsPosition = targetModel.positionAndNormalFromPoint(e.clientX, e.clientY)
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}
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if (hsPosition) {
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let currentText = $('#wpTextbox1').val()
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let metadata = extractMetadata(currentText)
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let hsOutput = {}
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hsOutput['data-position'] = hsPosition.position.toString().replaceAll(/(\d{5})(\d*?m)/g,"$1m")
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hsOutput['data-normal'] = hsPosition.normal.toString().replaceAll(/(\d{5})(\d*?m)/g,"$1m")
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let orbitObj = targetModel.getCameraOrbit()
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hsOutput['data-orbit'] = `${orbitObj.theta.toFixed(2)}rad ${orbitObj.phi.toFixed(2)}rad ${orbitObj.radius.toFixed(2)}m`
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let targetObj = targetModel.getCameraTarget()
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hsOutput['data-target'] = `${targetObj.x.toFixed(5)}m ${targetObj.y.toFixed(5)}m ${targetObj.z.toFixed(5)}m`
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metadata.annotations['New Hotspot'] = hsOutput
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let newText = currentText.replace(/(.*?<pre>)[\S\s]*?(<\/pre>.*)/,`$1\n${JSON.stringify(metadata, null, 2)}\n$2`)
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$('#wpTextbox1').val(newText)
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}
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}
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/**
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* Event listener callback to toggle the visibility
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* of a hotspot's annotation when the hotspot is
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* clicked
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*
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* @param {PointerEvent} e
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*/
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onAnnotation = function(e) {
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e.stopPropagation()
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let targetAnnotation = Number.parseInt(e.target.slot.split('-')[1])
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let targetModel = e.target.closest('model-viewer')
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selectAnnotation(targetModel, targetAnnotation)
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}
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/**
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* Event listener callback to hide all hotspot
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* annotations when the model-viewer receives
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* a click event
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*/
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clearAnnotations = function() {
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[...document.getElementsByClassName('HotspotAnnotation')].forEach( an => {
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an.classList.add('HiddenAnnotation')
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})
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};
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/**
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* Select the numbered hotspot of the given model
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*
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* @param {ModelViewer} mView
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* @param {number} annotId
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*
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* @return {bool} true if annotation selected false if unselected
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*/
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selectAnnotation = function(mView, annotId) {
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let anSelected = false;
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[...mView.querySelectorAll('.HotspotAnnotation')].forEach( (an, idx) => {
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if (idx + 1 == annotId && an.classList.contains('HiddenAnnotation')) {
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an.classList.remove('HiddenAnnotation');
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if (an.parentElement.dataset.target) {mView.cameraTarget = an.parentElement.dataset.target}
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if (an.parentElement.dataset.orbit) {mView.cameraOrbit = an.parentElement.dataset.orbit}
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anSelected = true
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} else {
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an.classList.add('HiddenAnnotation');
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}
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});
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return anSelected
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}
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/**
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* Select the next numbered hotspot
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*
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* @param {ModelViewer} mView
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*
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* @return {number} ID number of the newly selected hotspot
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*/
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nextAnnotation = function(mView) {
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let incrAnnotation = 0
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const numSpots = [...mView.querySelectorAll('Button')].length
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const currentAnnotation = mView.querySelectorAll('Button:has(.HotspotAnnotation:not(.HiddenAnnotation))')[0]
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if (!currentAnnotation) {
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incrAnnotation = 1
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} else {
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const annotationId = Number.parseInt(currentAnnotation.slot.split('-')[1])
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incrAnnotation = (annotationId >= numSpots)
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? 1
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: annotationId + 1
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}
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selectAnnotation(mView, incrAnnotation)
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return incrAnnotation
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}
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/**
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* Select the previous numbered hotspot
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*
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* @param {ModelViewer} mView
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*
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* @return {number} ID number of the newly selected hotspot
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*/
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prevAnnotation = function(mView) {
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let decrAnnotation = 0
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const numSpots = [...mView.querySelectorAll('Button')].length
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const currentAnnotation = mView.querySelectorAll('Button:has(.HotspotAnnotation:not(.HiddenAnnotation))')[0]
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if (!currentAnnotation) {
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decrAnnotation = numSpots
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} else {
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const annotationId = Number.parseInt(currentAnnotation.slot.split('-')[1])
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decrAnnotation = (annotationId <= 1)
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? numSpots
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: annotationId - 1
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}
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selectAnnotation(mView, decrAnnotation)
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return decrAnnotation
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}
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/**
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* Cycle through the available annotations
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*
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* @param {ModelViewer} mView
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*
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* @param {Number} [slideDuration = 5000]
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*
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* @return {intervalID} ID of the created interval timer
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*/
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slideshowAnnotations = function(mView, slideDuration = 3000) {
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if (slideShowInterval) {
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clearInterval(slideShowInterval)
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} else {
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nextAnnotation(mView)
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slideShowInterval = setInterval(nextAnnotation, slideDuration, mView)
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}
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}
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/**
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* Toggle visibility of all annotations
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*
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* @param {ModelViewer} mView
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*/
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toggleAnnotations = function(mView) {
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if (slideShowInterval) {
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clearInterval(slideShowInterval)
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const slideButton = mView.parentElement.querySelector('[toggled]')
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if (slideButton) slideButton.toggleAttribute('toggled')
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}
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[...mView.querySelectorAll('button')].forEach( hs => {
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hs.toggleAttribute('hidden')
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})
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const hsButtons = [...mView.parentElement.querySelectorAll('.disable-on-hide')]
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hsButtons.forEach( mb => {
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mb.toggleAttribute('disabled')
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})
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}
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/**
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* Prepare to drag a hotspot
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*
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* @param {MouseEvent} event
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*/
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grabAnnotation = function(e) {
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if (!grabHotspotStart) {
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grabHotspotStart = {x: e.x, y: e.y}
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const contEl = $('.glmv-container')[0]
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contEl.addEventListener('mousemove', moveAnnotation)
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}
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}
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/**
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* Drag currently clicked hotspot
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*
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* @param {MouseEvent} event
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*/
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moveAnnotation = function(e) {
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e.target.style['transform'] = `translate(${e.x - grabHotspotStart.x}px, ${e.y - grabHotspotStart.y}px) scale(1.1,1.1)`
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}
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/**
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* End dragging a hotspot and update information
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*
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* @param {MouseEvent} event
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*/
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releaseAnnotation = function(e) {
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if (grabHotspotStart) {
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e.target.style['transform']=''
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grabHotspotStart = null
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const contEl = $('.glmv-container')[0]
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contEl.removeEventListener('mousemove', moveAnnotation)
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const mvEl = $('model-viewer')[0]
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let newPosition = mvEl.positionAndNormalFromPoint(e.clientX, e.clientY)
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const newPos = newPosition.position.toString().replaceAll(/(\d{5})(\d*?m)/g,"$1m")
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const newNorm = newPosition.normal.toString().replaceAll(/(\d{5})(\d*?m)/g,"$1m")
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mvEl.updateHotspot({
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name: e.target.slot,
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position: newPos,
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normal: newNorm
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})
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let orbitObj = mvEl.getCameraOrbit()
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const newOrb = `${orbitObj.theta.toFixed(2)}rad ${orbitObj.phi.toFixed(2)}rad ${orbitObj.radius.toFixed(2)}m`
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e.target.setAttribute('data-orbit', newOrb)
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let targetObj = mvEl.getCameraTarget()
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const newTarg = `${targetObj.x.toFixed(5)}m ${targetObj.y.toFixed(5)}m ${targetObj.z.toFixed(5)}m`
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e.target.setAttribute('data-target', newTarg)
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let currentText = $('#wpTextbox1').val()
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let metadata = extractMetadata(currentText)
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metadata.annotations[e.target.childNodes[0].innerText] = {
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"data-position": newPos,
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"data-normal": newNorm,
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"data-orbit": newOrb,
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"data-target": newTarg
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}
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const newText = currentText.replace(/(.*?<pre>)[\S\s]*?(<\/pre>.*)/,`$1\n${JSON.stringify(metadata, null, 2)}\n$2`)
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$('#wpTextbox1').val(newText)
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}
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}
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/**
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* Convert text in the preview text editor to js object
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*
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* @param {string} editText
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*
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* @return object containing metadata information
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*/
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extractMetadata = function(editText) {
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let extractMetadata = editText.match(/<pre>([\S\s]*?)<\/pre>/)
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let metadata = (extractMetadata.length >= 2) ? JSON.parse(extractMetadata[1]) : {viewerConfig: {}, annotations: {}, annotationSets: {}}
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if (metadata.annotations === undefined) {
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metadata.annotations = {}
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}
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return metadata
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} |