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938 lines (877 loc) · 30.2 KB
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<head>
<meta charset="UTF-8">
<link type="text/css" href="ide.css" rel="stylesheet" />
<link type="text/css" href="jquery-ui.custom.css" rel="stylesheet" />
<script type="text/javascript" src="jquery.min.js"></script>
<script type="text/javascript" src="jquery-ui.custom.min.js"></script>
<script type="text/javascript" src="plotly.min.js"></script>
<script type="text/javascript" src="glow.min.js"></script>
</head>
<body>
<div id="glowscript" class="glowscript">
<script type="text/javascript">
var sock = 'XXX' // a port number generated and inserted here by no_notebook.py
window.__context = { glowscript_container: $("#glowscript") }
window.Jupyter_VPython = '/' // prefix used by glow.min.js for textures
function windowClose() {
window.open('','_parent','');
window.close();
}
console.log('START OF GLOWCOMM')
function fontloading() {
"use strict";
// override the fontloading url's in the GlowScript library
if (window.__font_sans === undefined) {
var fsans = 'Roboto-Medium.ttf' // a sans serif font; no_notebook server prepends vpython_data/
opentype_load(fsans, function(err, fontrefsans) {
if (err) {
throw new Error('Font ' + fsans + ' could not be loaded: ' + err)
} else {
window.__font_sans = fontrefsans // an opentype.js Font object
console.log('SANS-SERIF FONT LOADED')
}
})
}
if (window.__font_serif === undefined) {
var fserif = 'NimbusRomNo9L-Med.otf' // a serif font; no_notebook server prepends vpython_data/
opentype_load(fserif, function(err, fontrefserif) {
if (err) {
throw new Error('Font ' + fserif + ' could not be loaded: ' + err)
} else {
window.__font_serif = fontrefserif // an opentype.js Font object
console.log('SERIF FONT LOADED')
}
})
}
}
fontloading() // get the sans and serif font files used by 3D text
var ws = null
var isopen = false
window.onload = function() {
"use strict";
//var sock = socket_port() // created by no_notebook.py
ws = new WebSocket("ws://localhost:"+sock)
ws.binaryType = "arraybuffer";
ws.onopen = function() {
isopen = true
//ws.send('trigger') // ask server to send data
}
ws.onmessage = function(e) {
if (timer !== null) clearTimeout(timer)
var t1 = msclock()
if (e.data != 'trigger') {
var msg = decode(JSON.parse(e.data))
handler(msg)
}
var t2 = msclock()
var dt = Math.floor(t1+interval-t2) // attempt to keep the time between renders constant
if (dt < 15) dt = 0 // becaause setTimeout is inaccurate for small dt's
timer = setTimeout(send, dt)
}
ws.onclose = function(e) {
ws = null
isopen = false
windowClose()
}
ws.onerror = function(e) {
console.log('Error in glowcomm.html')
}
}
function awaitfonts() {
"use strict";
if (window.__font_sans === undefined ||
window.__font_serif === undefined || !isopen) setTimeout(awaitfonts, 0)
else ws.send('trigger') // ask server to send data
}
awaitfonts()
function send() { // periodically send events and update_canvas to websocket and request object update
"use strict";
if (isopen) {
var update = update_canvas()
if (update !== null) events = events.concat(update)
var msg
if (events.length > 0) msg = JSON.stringify(events)
else msg = 'trigger'
ws.send(msg)
events = []
}
}
// *************************************************************************************************** //
// THE REST OF THIS FILE IS NEARLY IDENTICAL IN glowcomm.html AND glowcomm.js AND glowcommlab.js //
// Should eventually have glowcomm.html, glowcom.js, and glowcommlab.js all import this common component.
window.__GSlang = "vpython"
function msclock() {
"use strict";
if (performance.now) return performance.now()
else return new Date().getTime()
}
var tstart = msclock()
var events = [] // collects all events prior to 33 ms (or more) after previous send to server
var timer = null
var lastpos = vec(0,0,0)
var lastray = vec(0,0,0)
var lastforward = vec(0,0,0)
var lastup = vec(0,0,0)
var lastcenter = vec(0,0,0)
var lastrange = 1
var lastautoscale = true
var lastsliders = {}
var lastkeysdown = []
var interval = 17 // milliseconds
function update_canvas() { // mouse location and other stuff
"use strict";
var dosend = false
if (canvas.hasmouse !== null && canvas.hasmouse !== undefined) {
var evt = {event:'update_canvas'}
var cvs = canvas.hasmouse // only way to change these values is with mouse
var idx = cvs.idx
evt.canvas = idx
var pos = cvs.mouse.pos
if (!pos.equals(lastpos)) {evt.pos = [pos.x,pos.y,pos.z]; dosend=true}
lastpos = pos
var ray = cvs.mouse.ray
if (!ray.equals(lastray)) {evt.ray = [ray.x,ray.y,ray.z]; dosend=true}
lastray = ray
var k = keysdown()
var test = true // assume keysdown() is same as lastkeysdown
if (k.length !== lastkeysdown.length) test = false
else {
for (var i=0; i<k.length; i++) {
if (k[i] !== lastkeysdown[i]) {
test = false
break
}
}
}
if (!test) {
evt.keysdown = lastkeysdown = k
dosend = true
}
// forward and range may be changed by user (and up with touch), and autoscale (by zoom)
if (cvs.userspin) {
var forward = cvs.forward
if (!forward.equals(lastforward)) {
evt.forward = [forward.x,forward.y,forward.z]
dosend=true
}
lastforward = forward
var up = cvs.up
if (!up.equals(lastup)) {
evt.up = [up.x,up.y,up.z]
dosend=true
}
lastup = up
}
if (cvs.userpan) {
var center = cvs.center
if (!center.equals(lastcenter)) {
evt.center = [center.x,center.y,center.z]
dosend=true
}
lastcenter = center
}
if (cvs.userzoom) {
var range = cvs.range
if (range !== lastrange) {evt.range=range; dosend=true}
lastrange = range
var autoscale = cvs.autoscale
if (autoscale !== lastautoscale) {evt.autoscale = autoscale; dosend=true}
lastautoscale = autoscale
}
if (dosend) evt = [evt]
}
var output_sliders = []
for (var ss in sliders){
var ev = sliders[ss]
if (ss in lastsliders && ev.value !== lastsliders[ss].value)
output_sliders.push(ev) //avoid sending an unchnaged slider value
lastsliders[ss] = ev
}
if (output_sliders.length > 0) {
if (dosend) evt = evt.concat(output_sliders)
else evt = output_sliders
dosend = true
}
if (dosend) return evt
else return null
}
/*
var request = new XMLHttpRequest()
function send_to_server(data, callback) { // send to HTTP server
var data= JSON.stringify(data)
request.open('get', data, true)
request.responseType = 'json'
request.onload = function() {
if (request.status !== 200) {
return callback('Error in requesting data: '+request.statusText)
}
callback(request.response)
}
request.send()
}
function ok(req) { ; }
*/
function send_pick(cvs, p, seg) {
"use strict";
var evt = {event: 'pick', 'canvas': cvs, 'pick': p, 'segment':seg}
events.push(evt)
}
function send_compound(cvs, pos, size, up) {
"use strict";
var evt = {event: '_compound', 'canvas': cvs, 'pos': [pos.x, pos.y, pos.z],
'size': [size.x, size.y, size.z], 'up': [up.x, up.y, up.z]}
events.push(evt)
}
var waitfor_canvas = null
var waitfor_options = null
// possible event types to bind:
var binds = ['mousedown', 'mouseup', 'mousemove', 'click', 'mouseenter', 'mouseleave',
'keydown', 'keyup', 'redraw', 'draw_complete', 'resize']
function process(event) {
// mouse events: mouseup, mousedown, mousemove, mouseenter, mouseleave, click
// key events: keydown, keyup
// other: resize
"use strict";
var etype = event.type
var evt = {event:etype}
var idx = event.canvas['idx']
evt.canvas = idx
if (etype != 'resize') {
if (etype.slice(0,3) == 'key') {
evt.key = event.key
evt.which = event.which
evt.alt = event.alt
evt.ctrl = event.ctrl
evt.shift = event.shift
} else {
var pos = event.pos
evt.pos = [pos.x, pos.y, pos.z]
evt.press = event.press
evt.release = event.release
evt.which = event.which
var ray = event.canvas.mouse.ray
evt.ray = [ ray.x, ray.y, ray.z ]
evt.alt = event.canvas.mouse.alt
evt.ctrl = event.canvas.mouse.ctrl
evt.shift = event.canvas.mouse.shift
}
} else {
evt.width = event.canvas.width
evt.height = event.canvas.height
}
if ('bind' in event) evt.bind = true
events.push(evt)
}
function process_pause() {
"use strict";
// come here on a pause; must mock up event (pause returns null)
var cvs = glowObjs[waitfor_canvas]
var evt = {event:'click'}
evt.canvas = waitfor_canvas
var pos = cvs.mouse.pos
evt.pos = [pos.x, pos.y, pos.z]
evt.press = false
evt.release = true
evt.which = 1
var ray = cvs.mouse.ray
evt.ray = [ ray.x, ray.y, ray.z ]
evt.alt = cvs.mouse.alt
evt.ctrl = cvs.mouse.ctrl
evt.shift = cvs.mouse.shift
events.push(evt)
}
function process_waitfor(event) {
"use strict";
// come here on a waitfor
glowObjs[waitfor_canvas].unbind(waitfor_options, process_waitfor)
process(event)
}
function process_binding(event) { // event associated with a previous bind command
"use strict";
event.bind = true
process(event)
}
var sliders = {}
function control_handler(obj) { // button, menu, slider, radio, checkbox, winput
"use strict";
var evt = {idx: obj.idx}
if (obj.objName === 'button') {
evt.value = 0
evt.widget = 'button'
} else if (obj.objName === 'slider') {
// sliders are special; we want to transmit not all changes
// but a sample taken at render times
evt.value = obj.value
evt.widget = 'slider'
sliders[obj.idx] = evt
return
} else if (obj.objName === 'checkbox') {
evt.value = obj.checked
evt.widget = 'checkbox'
} else if (obj.objName === 'radio') {
evt.value = obj.checked
evt.widget = 'radio'
} else if (obj.objName === 'menu') {
evt.value = obj.index
evt.widget = 'menu'
} else if (obj.objName === 'winput') {
evt.text = obj.text
evt.value = obj.number
evt.widget = 'winput'
} else {
console.log('unrecognized control', 'obj=', obj, obj.text)
}
//send_to_server(evt, ok)
events.push(evt)
}
// attrs are X in {'a': '23X....'} avaiable: none
var attrs = {'a':'pos', 'b':'up', 'c':'color', 'd':'trail_color', // don't use single and double quotes; available: comma, but maybe that would cause trouble
'e':'ambient', 'f':'axis', 'g':'size', 'h':'origin', 'i':'textcolor',
'j':'direction', 'k':'linecolor', 'l':'bumpaxis', 'm':'dot_color',
'n':'foreground', 'o':'background', 'p':'ray', 'E':'center', '#':'forward', '+':'resizable',
// scalar attributes
'q':'graph', 'r':'canvas', 's':'trail_radius',
't':'visible', 'u':'opacity', 'v':'shininess', 'w':'emissive',
'x':'make_trail', 'y':'trail_type', 'z':'interval', 'A':'pps', 'B':'retain',
'C':'red', 'D':'green', 'F':'blue', 'G':'length', 'H':'width', 'I':'height', 'J':'radius',
'K':'thickness', 'L':'shaftwidth', 'M':'headwidth', 'N':'headlength', 'O':'pickable',
'P':'coils', 'Q':'xoffset', 'R':'yoffset',
'S':'border', 'T':'line', 'U':'box', 'V':'space', 'W':'linewidth',
'X':'xmin', 'Y':'xmax', 'Z':'ymin', '`':'ymax',
'~':'ctrl', '!':'shift', '@':'alt',
// text attributes:
'$':'text', '%':'align', '^':'caption',
'-':'fast','&':'title', '*':'xtitle', '(':'ytitle',
// Miscellany:
')':'lights', '_':'objects', '=':'bind',
'[':'pixel_pos', ']':'texpos',
'{':'v0', '}':'v1', ';':'v2', ':':'v3', '<':'vs', '>':'type',
'?':'font', '/':'texture'}
// attrsb are X in {'b': '23X....'}; ran out of easily typable one-character codes
var attrsb = {'a':'userzoom', 'b':'userspin', 'c':'range', 'd':'autoscale', 'e':'fov',
'f':'normal', 'g':'data', 'h':'checked', 'i':'disabled', 'j':'selected',
'k':'vertical', 'l':'min', 'm':'max', 'n':'step', 'o':'value',
'p':'left', 'q':'right', 'r':'top', 's':'bottom', 't':'_cloneid',
'u':'logx', 'v':'logy', 'w':'dot', 'x':'dot_radius',
'y':'markers', 'z':'legend', 'A':'label','B':'delta', 'C':'marker_color',
'D':'size_units', 'E':'userpan', 'F':'scroll', 'G':'choices', 'H':'depth', 'I':'round'}
// methods are X in {'m': '23X....'}
var methods = {'a':'select', 'b':'pos', 'c':'start', 'd':'stop', 'f':'clear', // unused eghijklmnopvxyzCDFAB
'q':'plot', 's':'add_to_trail',
't':'follow', 'u':'_attach_arrow', 'w':'clear_trail',
'G':'bind', 'H':'unbind', 'I':'waitfor', 'J':'pause', 'K':'pick', 'L':'GSprint',
'M':'delete', 'N':'capture'}
var vecattrs = ['pos', 'up', 'color', 'trail_color', 'axis', 'size', 'origin', '_attach_arrow',
'direction', 'linecolor', 'bumpaxis', 'dot_color', 'ambient', 'add_to_trail', 'textcolor',
'foreground', 'background', 'ray', 'ambient', 'center', 'forward', 'normal',
'marker_color']
var textattrs = ['text', 'align', 'caption', 'title', 'title_align', 'xtitle', 'ytitle', 'selected', 'capture',
'label', 'append_to_caption', 'append_to_title', 'bind', 'unbind', 'pause', 'GSprint', 'choices']
// patt gets idx and attr code; vpatt gets x,y,z of a vector
var patt = /(\d+)(.)(.*)/
var vpatt = /([^,]*),([^,]*),(.*)/
var quadpatt = /([^,]*),([^,]*),(.*)/
var plotpatt = /([^,]*),([^,]*)/
function decode(data) {
"use strict";
// data is {'cmds':list of constructors, 'attrs': list of attributes and (time-ordered) methods
// Attribute and method lists: [ 'XiK0.0,1.0,1.0', .....] X is a or b (attributes) or m (methods)
// i is object index, K is a key to an attribute or method in the dictionaries above
var output = [], s, m, idx, attr, val, datatype, out, i, as, ms
var as = []
var ms = []
if ('attrs' in data) {
var c = data['attrs']
for (i=0; i<c.length; i++) { // step through the encoded attributes and methods
var d = c[i]
// constructor or appendcmd not currently compressed
var whichlist = d[0] // 'a' or 'b' or 'm'
var datatype = (whichlist == 'm') ? 'method' : 'attr'
s = d.slice(1)
m = s.match(patt)
idx = Number(m[1])
if (datatype == 'attr') {
if (whichlist == 'a') attr = attrs[m[2]]
else attr = attrsb[m[2]]
} else attr = methods[m[2]]
if (vecattrs.indexOf(attr) > -1) {
val = m[3].match(vpatt)
val = vec(Number(val[1]), Number(val[2]), Number(val[3]))
} else if (attr == 'vs') {
var vs
val = m[3].match(quadpatt)
if (val === null) {
val = m[3].match(vpatt)
vs = [Number(val[1]), Number(val[2]), Number(val[3])]
} else {
vs = [Number(val[1]), Number(val[2]), Number(val[3]), Number(val[4])]
}
} else if (textattrs.indexOf(attr) > -1) {
if (attr == 'choices') { // menu choices are wrapped in a list
val = m[3].slice(2, -2).split("', '") // choices separated by ', '
} else {
// '\n' doesn't survive JSON transmission, so in vpython.py we replace '\n' with '<br>'
val = m[3].replace(/<br>/g, "\n")
}
} else if (attr == 'rotate') { // angle,x,y,z,x,y,z
var temp = m[3]
val = []
var first = temp.match(/([^,]*)/)
val.push(Number(first[1]))
var v1 = temp.slice(first[1].length+1)
m = v1.match(/([^,]*),([^,]*),([^,]*)/)
val.push(vec(Number(m[1]), Number(m[2]), Number(m[3])))
var v2 = temp.slice(first[1].length + 1 + m[0].length + 1)
m = v2.match(vpatt)
val.push(vec(Number(m[1]), Number(m[2]), Number(m[3])))
} else if (attr == 'plot' || attr == 'data') {
val = []
var start = m[1].length+1 // start of arguments
while (true) {
m = s.slice(start).match(plotpatt)
val.push([ Number(m[1]), Number(m[2]) ])
start += m[1].length+m[2].length+2
if (start > s.length) break
}
} else if (attr == 'waitfor' || attr == 'pause' || attr == 'delete') {
val = m[3]
} else if (attr == 'follow') {
if (m[3] == 'None') val = null
else val = Number(m[3])
} else val = Number(m[3])
out = {'idx':idx, 'attr':attr, 'val':val}
if (datatype == 'attr') as.push(out)
else ms.push(out)
}
}
if (as.length > 0) data['attrs'] = as
else data['attrs'] = []
if (ms.length > 0) data['methods'] = ms
return data
}
function fix_location(cfgx) {
"use strict";
if ('location' in cfgx) {
var loc = cfgx['location']
var id = loc[0]
if (id == -1) {
cfgx['pos'] = print_anchor // this doesn't work; throw an error in vpython.py
} else {
var cvs = glowObjs[id]
var where = loc[1]
if (where === 1) cfgx['pos'] = cvs.title_anchor
else cfgx['pos'] = cvs.caption_anchor
}
delete cfgx['location']
}
return cfgx
}
var glowObjs = []
//scene.title.text("fps = frames/sec\n ")
// Display frames per second and render time:
//$("<div id='fps'/>").appendTo(scene.title)
function o2vec3(p) {
"use strict";
return vec(p[0], p[1], p[2])
}
function handler(data) {
"use strict";
/*
console.log('---------------')
for (var d in data) {
for (var i in data[d]) console.log(i, JSON.stringify(data[d][i]))
}
*/
if (data.cmds !== undefined && data.cmds.length > 0) handle_cmds(data.cmds)
if (data.methods !== undefined && data.methods.length > 0) handle_methods(data.methods)
if (data.attrs !== undefined && data.attrs.length > 0) handle_attrs(data.attrs)
} // end of handler
function handle_cmds(dcmds) {
"use strict";
//console.log('CMDS')
for (var icmds=0; icmds<dcmds.length; icmds++) { // constructors, and special operations such as curve.modify
var cmd = dcmds[icmds]
var obj = cmd.cmd
var idx = cmd.idx
delete cmd.cmd
delete cmd.idx
var construct = (obj !== undefined)
var method = null
if ('method' in cmd) {
method = cmd['method']
delete cmd['method']
}
var triangle_quad = ['v0', 'v1', 'v2', 'v3']
//assembling cfg
var vlst = ['pos', 'color', 'size', 'axis', 'up', 'direction', 'center', 'forward', 'foreground',
'background', 'ambient', 'linecolor', 'dot_color', 'trail_color', 'textcolor', 'attrval',
'origin', 'normal', 'bumpaxis','texpos', 'start_face_color', 'end_face_color', 'marker_color',
'start_normal', 'end_normal']
if ((obj != 'gcurve') && ( obj != 'gdots' ) ) vlst.push( 'size' )
var cfg = {}
var objects = []
var attr
for (attr in cmd) {
val = cmd[attr]
if (attr === "size") {
if ( (obj == 'gcurve') || ( obj == 'gdots' ) ) {
cfg[attr] = cmd[attr] // size is a scalar
} else {
cfg[attr] = o2vec3(val)
}
} else if ( (attr == 'pos' && (obj == 'curve' || obj == 'points')) ||
(obj == 'extrusion' && (attr == 'path' || attr == 'color') ) ) { // only occurs in constructor
let ptlist = []
if (val[0].length === undefined) { // a single triple [x,y,z] to convert to a vector
ptlist = o2vec3(val)
} else {
for (var kk = 0; kk < val.length; kk++) {
ptlist.push( o2vec3(val[kk]) )
}
}
cfg[attr] = ptlist
} else if (vlst.indexOf(attr) !== -1) {
cfg[attr] = o2vec3(val)
} else if (triangle_quad.indexOf(attr) !== -1) {
cfg[attr] = glowObjs[val]
} else if (attr === "canvas" ) {
cfg[attr] = glowObjs[val]
} else if (attr === "graph" ) {
cfg[attr] = glowObjs[val]
} else if (attr === "obj_idxs") {
var len4 = val.length
if (len4 > 0) {
for (var k = 0; k < len4; k++) {
objects[k] = glowObjs[val[k]]
}
}
} else if (attr == "lights") {
if (val == 'empty_list') val = []
cfg[attr] = val
} else {
cfg[attr] = val
}
}
if (!construct) { // commands such as "center" (for a canvas)
var parametric = ['splice', 'modify']
var val = cfg[attr]
if (attr == 'append_to_caption' || attr == 'append_to_title' ) glowObjs[idx][attr](val)
else if (method !== null) {
var npargs = 0
var info
if (parametric.indexOf(method) > -1) {
npargs = val.length - 1
info = val[npargs] // a list of dictionaries
} else {
info = val
}
for (var j=0; j < info.length; j++) {
var dj = info[j]
for (var a in dj) {
if (dj[a] instanceof Array) dj[a] = o2vec3(dj[a])
}
}
if ( npargs === 0 ) {
glowObjs[idx][method](info)
} else if ( method === 'modify' ) { // 1 parameter
glowObjs[idx][method](val[0], info[0])
} else if ( method === 'splice' ) { // 2 parameters
glowObjs[idx][method](val[0], val[1], info)
} else {
throw new Error('Too many parameters in '+method)
}
} else glowObjs[idx][attr] = val
continue
}
// creating the objects
cfg.idx = idx // reinsert idx, having looped thru all other attributes
// triangle and quad objects should not have a canvas attribute; canvas is provided in the vertex objectsE
if ((obj == 'triangle' || obj == 'quad') && cfg.canvas !== undefined) delete cfg.canvas
switch (obj) {
case 'box': {glowObjs[idx] = box(cfg); break}
case 'sphere': {glowObjs[idx] = sphere(cfg); break}
case 'simple_sphere': {glowObjs[idx] = simple_sphere(cfg); break}
case 'arrow': {glowObjs[idx] = arrow(cfg); break}
case 'cone': {glowObjs[idx] = cone(cfg); break}
case 'cylinder': {glowObjs[idx] = cylinder(cfg); break}
case 'helix': {glowObjs[idx] = helix(cfg); break}
case 'pyramid': {glowObjs[idx] = pyramid(cfg); break}
case 'ring': {glowObjs[idx] = ring(cfg); break}
case 'curve': {glowObjs[idx] = curve(cfg); break}
case 'points': {glowObjs[idx] = points(cfg); break}
case 'vertex': {glowObjs[idx] = vertex(cfg); break}
case 'triangle': {glowObjs[idx] = triangle(cfg); break}
case 'quad': {glowObjs[idx] = quad(cfg); break}
case 'label': {glowObjs[idx] = label(cfg); break}
case 'ellipsoid': {glowObjs[idx] = sphere(cfg); break}
case 'graph': { // currently graph gives an error for non-fundamental arguments
delete cfg.idx
glowObjs[idx] = graph(cfg)
break
}
case 'gcurve': { // currently gcurve give an error for non-fundamental arguments
delete cfg.idx
glowObjs[idx] = gcurve(cfg)
break
}
case 'gdots': { // currently gdots give an error for non-fundamental arguments
delete cfg.idx
glowObjs[idx] = gdots(cfg)
break
}
case 'gvbars': { // currently gvbars give an error for non-fundamental arguments
delete cfg.idx
glowObjs[idx] = gvbars(cfg)
break
}
case 'ghbars': { // currently ghbars give an error for non-fundamental arguments
delete cfg.idx
glowObjs[idx] = ghbars(cfg)
break
}
case 'compound': {
if (cfg._cloneid !== undefined) {
var idoriginal = cfg._cloneid
delete cfg._cloneid
glowObjs[idx] = glowObjs[idoriginal].clone(cfg)
} else {
var obj = glowObjs[idx] = compound(objects, cfg)
// Return computed compound pos and size to Python
send_compound(obj.canvas['idx'], obj.pos, obj.size, obj.up)
}
break
}
case 'extrusion': {
var obj = glowObjs[idx] = extrusion(cfg)
// Return computed compound pos and size to Python
send_compound(obj.canvas['idx'], obj.pos, obj.size, obj.up)
break
}
case 'text': {
if (cfg._cloneid !== undefined) {
var idoriginal = cfg._cloneid
delete cfg._cloneid
glowObjs[idx] = glowObjs[idoriginal].clone(cfg)
} else {
// Return text parameters to Python
var obj = glowObjs[idx] = text(cfg)
send_compound(obj.canvas['idx'], vec(obj.length, obj.descender, 0),
obj.__comp.size, obj.up)
}
break
}
case 'local_light': {glowObjs[idx] = local_light(cfg); break}
case 'distant_light': {glowObjs[idx] = distant_light(cfg); break}
case 'canvas': {
if ((typeof isjupyterlab_vpython !== 'undefined') && (isjupyterlab_vpython === true)) {
var container = document.getElementById("glowscript");
if (container !== null) {
window.__context = { glowscript_container: $("#glowscript").removeAttr("id")}
}
glowObjs[idx] = canvas(cfg)
glowObjs[idx]['idx'] = idx
try{
glowObjs[idx].wrapper[0].addEventListener("contextmenu", function(event){
event.preventDefault();
event.stopPropagation();
});
}
catch(err) {
console.log("glowcomm canvas contextmenu event : ",err.message);
}
} else {
glowObjs[idx] = canvas(cfg)
glowObjs[idx]['idx'] = idx
}
break
// Display frames per second and render time:
//$("<div id='fps'/>").appendTo(glowObjs[idx].title)
}
case 'attach_arrow': {
var attrs = ['pos', 'size', 'axis', 'up', 'color']
var o = glowObjs[cfg['obj']]
delete cfg['obj']
var attr = cfg['attr']
delete cfg['attr']
var val = cfg['attrval']
delete cfg['attrval']
if (attrs.indexOf(attr) < 0) attr = '_attach_arrow'
o.attr = val
glowObjs[idx] = attach_arrow( o, attr, cfg )
break
}
case 'attach_trail': {
if ( typeof cfg['_obj'] === 'string' ) {
var o = cfg['_obj'] // the string '_func'
} else {
var o = glowObjs[cfg['_obj']]
}
delete cfg['_obj']
glowObjs[idx] = attach_trail(o, cfg)
break
}
case 'wtext': {
cfg.objName = obj
cfg = fix_location(cfg)
glowObjs[idx] = wtext(cfg)
break
}
case 'winput': {
cfg.objName = obj
cfg.bind = control_handler
cfg = fix_location(cfg)
glowObjs[idx] = winput(cfg)
break
}
case 'checkbox': {
cfg.objName = obj
cfg.bind = control_handler
cfg = fix_location(cfg)
glowObjs[idx] = checkbox(cfg)
break
}
case 'radio': {
cfg.objName = obj
cfg.bind = control_handler
cfg = fix_location(cfg)
glowObjs[idx] = radio(cfg)
break
}
case 'button': {
cfg.objName = obj
cfg.bind = control_handler
cfg = fix_location(cfg)
glowObjs[idx] = button(cfg)
break
}
case 'slider': {
cfg.objName = obj
cfg.bind = control_handler
cfg = fix_location(cfg)
glowObjs[idx] = slider(cfg)
break
}
case 'menu': {
cfg.objName = obj
cfg.bind = control_handler
cfg = fix_location(cfg)
glowObjs[idx] = menu(cfg)
if (cfg['selected'] === 'None') {
cfg['selected'] = null
}
break
}
default:
console.log("Unable to create object")
}
} // end of cmds (constructors and special data)
}
async function handle_methods(dmeth) {
"use strict";
//console.log('METHODS')
for (var idmeth=0; idmeth<dmeth.length; idmeth++) { // methods; cmd is ['idx':idx, 'attr':method, 'val':val]
var cmd = dmeth[idmeth]
var idx = cmd.idx
var method = cmd.attr
var val = cmd.val
var obj = glowObjs[idx]
if (method == 'GSprint') {
GSprint(val)
} else if (val == 'None') {
if (method == 'delete') obj['remove']()
else obj[method]()
} else if (method === 'rotate') {
obj.rotate({angle:val[0], axis:val[1], origin:val[2]})
} else if (method === 'pos') {
glowObjs[idx]['pos'] = val
} else if (method === 'add_to_trail') {
obj['_func'] = val
} else if (method === '_attach_arrow') {
obj.obj._attach_arrow = val
} else if (method === 'bind') {
var evts = val.split(' ')
for (var evt in evts) {
var e = evts[evt]
if (binds.indexOf(e) == -1)
throw new Error('There is no error type "'+e+'"')
}
obj.bind(val, process_binding)
} else if (method === 'unbind') {
var evts = val.split(' ')
for (var evt in evts) {
var e = evts[evt]
if (binds.indexOf(e) == -1)
throw new Error('There is no error type "'+e+'"')
}
obj.unbind(val, process_binding)
} else if (method === "follow") {
if (val === null) obj.camera.follow(null)
else obj.camera.follow(glowObjs[val])
} else if (method === "capture") {
// val has the form "Tname.png" (display labels) or "Fname.png" (do not display labels)
let TF = (val[0] == 'T') ? true: false
await obj.capture(val.slice(1), TF)
} else if (method === 'waitfor') {
waitfor_canvas = idx
waitfor_options = val
obj.bind(waitfor_options, process_waitfor)
} else if (method === 'pause') {
waitfor_canvas = idx
waitfor_options = 'click'
if (val.length > 0) {
await obj.pause(val)
} else {
await obj.pause()
}
process_pause()
} else if (method === 'pick') {
var p = glowObjs[val].mouse.pick() // wait for pick render; val is canvas
var seg = null
if (p !== null) {
if (p instanceof curve) seg = p.segment
p = p.idx
}
send_pick(val, p, seg)
} else obj[method](val)
}
}
function handle_attrs(dattrs) {
"use strict";
//console.log('ATTRS')
for (var idattrs=0; idattrs<dattrs.length; idattrs++) { // attributes; cmd is {'idx':idx, 'attr':attr, 'val':val}
var cmd = dattrs[idattrs]
var idx = cmd.idx
var obj = glowObjs[idx]
var attr = cmd['attr']
var val = cmd['val']
var triangle_quad = ['v0', 'v1', 'v2', 'v3']
// vector attrs in attach_arrow have arbitrary names, so check for length 3 array instead
if (val instanceof vec) {
if (attr === 'pos' && (obj instanceof points || obj instanceof curve)) {
var ptlist = []
for (var kk = 0; kk < val.length; kk++) {
ptlist.push( val[kk] )
}
obj[attr] = ptlist
} else {
obj[attr] = val
}
} else if (attr == 'lights') {
if (val == 'empty_list') val = []
obj[attr] = val
} else {
if (triangle_quad.indexOf(attr) !== -1) {
obj[attr] = glowObjs[val]
} else if (attr == 'vs') {
if (val.length == 3) obj['vs'] = [ glowObjs[val[0]], glowObjs[val[1]], glowObjs[val[2]] ]
else obj['vs'] = [ glowObjs[val[0]], glowObjs[val[1]], glowObjs[val[2]], glowObjs[val[3]] ]
} else {
obj[attr] = val
}
}
} // end of attributes
}
console.log("END OF GLOWCOMM")
</script>
</div>
</body>