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290 lines
10 KiB
290 lines
10 KiB
var currently_dragging = null; // if this is null, we have nothing being dragged. if it's not null, then it will represent the glyph object (as goes in the glyphs array) which is currently being dragged
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var major_radius;
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const glyphs = [];
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const vowels = [];
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const consonants = [];
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var svg;
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var connections_container;
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$(document).ready(function() {
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svg = $('svg#arena')[0];
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connections_container = $('svg#arena #connections');
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major_radius = parseFloat($('circle').attr('r'));
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$(document).on("mouseup", on_mouse_up);
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$('td > svg').on("mousedown", function(event) {
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let receptacle = $("#consonant_put_it_in_here");
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let selected = $(this);
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receptacle.html(selected.html());
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const mouse_position = svg_from_dom({x:event.clientX, y:event.clientY}, svg);
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var g = make_new_consonant();
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set_location(g, mouse_position);
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currently_dragging = g;
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})
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$('.vowel-example > svg').on("mousedown", function(event) {
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let receptacle = $('#vowel_put_it_in_here');
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let selected = $(this);
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receptacle.html(selected.html());
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var g = make_new_vowel();
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const mouse_position = svg_from_dom({x:event.clientX, y:event.clientY}, svg);
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set_location(g, mouse_position);
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currently_dragging = g;
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});
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$('td > svg').each(function() { this.setAttribute('viewBox',"0 30 40 100");});
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populate_consonant_grid();
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populate_vowels();
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});
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function populate_consonant_grid() {
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// this function expects that there's a #consonant-grid table, where each row corresponds to a glyph set
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// the cells of the row need to be filled with the various possible configurations of that glyph
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// so like, the <th> in a given row should contain a .megaglyph svg group, which contains the base glyph plus all possible radicals.
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// then we use the split_megaglyph function to generate the five possible configurations out of that megaglyph
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// and insert the five configured glyphs into their corresponding (td) cells of the table
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$("#consonant-grid tbody tr").each(function (asdf, row) { // iterate over the rows in the table
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// row will now be something like <tr><th/><td/><td/><td/><td/><td/><th/></tr>
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// that is, a tr containing one th on either end plus a td for each consonant in this row
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var head = $(row).find("th:first-child svg"); // this is the header for the row, which should contain the .megaglyph object
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var megaglyph = head.find(".megaglyph");
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var glyphs = split_megaglyph(megaglyph); // now this is a list of the configured consonant symbols
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$(row).find("td").each(function(idx, cell) { // iterate over the cells in the row
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// cell will now be a <td> cell which contains the IPA for that cell's consonants, plus the <svg> canvas into which to insert the configured consonant symbol
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$(cell).find("svg").append(glyphs[idx]);
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});
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});
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}
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function split_megaglyph(megaglyph) {
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// megaglyph is an svg object which contains all the possible radicals at once.
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// this should return a list of new glyphs, cloned frmo megaglyph, each of which contains only the radicals it wants.
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var one = megaglyph.clone();
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one.find('.line_1,.line_2,.line_3,.dot_2,.dot_3').remove(); // only .dot_1
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remove_class(one, "megaglyph");
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var two = megaglyph.clone();
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two.find('.line_2,.line_3,.dot_1,.dot_2,.dot_3').remove(); // line 1 only
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remove_class(two, "megaglyph");
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var three = megaglyph.clone();
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three.find('.line_1,.line_2,.line_3,.dot_1').remove(); // only dots 2 and 3
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remove_class(three, "megaglyph");
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var four = megaglyph.clone();
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four.find('.line_1,.dot_1,.dot_2,.dot_3').remove(); //lines 2 and 3
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remove_class(four, "megaglyph");
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var five = megaglyph.clone();
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five.find('.line_1,.line_2,.line_3').remove(); // all three dots
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remove_class(five, "megaglyph");
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return [one, two, three, four, five];
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}
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function populate_vowels() {
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megaglyph = $(".vowel.megaglyph");
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$(".vowel-example svg").each((i, ex) => {
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let glyphs = $(ex).text().replace(/(\s|\n)+/g,",").split(",").filter((a) => a!="")
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$(ex).text("");
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$.each(glyphs, (i, e) => {
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let wanted_class = "." + e;
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let glyph_original = megaglyph.find(wanted_class);
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let new_glyph = glyph_original.clone();
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$(ex).append(new_glyph);
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});
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});
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}
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function make_new_consonant(source) {
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// create a new glyph object by copying the elements pointed to by source
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// this will add it to the svg and to the glyphs list
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var x = {};
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x.angle = 0;
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x.element = $("#consonant_copy_from_here").clone().attr("id","").attr("onclick", "").attr("onmousedown", "");
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x.element.find("#consonant_put_it_in_here").attr("id","");
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x.position = {x:0, y:0};
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x.element.on("mousedown", x, (event) => { currently_dragging = event.data });
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$(svg).append(x.element);
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x.handles = [];
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x.handles.push($(ns_elem("circle", svg_ns)))
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x.handles.push($(ns_elem("circle", svg_ns)))
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$.each(x.handles, function() {
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$(svg).append(this)
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this.attr("r", 2);
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add_class(this, "handle");
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});
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update_handles(x);
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glyphs.push(x);
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x.vowel = false;
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return x;
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}
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function make_new_vowel(source) {
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// create a new glyph object by copying the elements pointed to by source
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// this will add it to the svg and to the glyphs list
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var x = {};
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x.angle = 0;
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x.element = $("#vowel_copy_from_here").clone().attr("id","").attr("onclick", "").attr("onmousedown", "");
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x.element.find("#vowel_put_it_in_here").attr("id","");
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x.position = {x:0, y:0};
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x.element.on("mousedown", x, (event) => { currently_dragging = event.data });
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$(svg).append(x.element);
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x.handles = [];
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x.handles.push($(ns_elem("circle", svg_ns)));
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x.handles.push($(ns_elem("circle", svg_ns)));
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$.each(x.handles, function() {
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$(svg).append(this)
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this.attr("r", 2);
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add_class(this, "handle");
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});
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update_handles(x);
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glyphs.push(x);
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x.vowel = true;
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return x;
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}
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function on_mouse_up(event) {
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// this is called on the whole document when the mouse is released on it. event.data is meaningless. this should handle releasing the current dragged element, if it exists.
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if (currently_dragging != null && is_in_delete_region(currently_dragging.position)) {
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remove(glyphs, currently_dragging);
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$.each(currently_dragging.handles, function() { $(this).remove(); });
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currently_dragging.element.remove();
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currently_dragging = null;
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connect_vowels();
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}
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if (currently_dragging != null) {
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set_location(currently_dragging, mul(norm(currently_dragging.position), major_radius));
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}
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currently_dragging = null;
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}
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function is_in_delete_region(p) {
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r = $("#delete");
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first = {x:parseFloat(r.attr("x")), y:parseFloat(r.attr("y"))};
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second = {x:parseFloat(r.attr("width"))+first.x, y:parseFloat(r.attr("height"))+first.y};
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if (p.x > first.x && p.x < second.x && p.y > first.y && p.y < second.y) {
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return true;
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}
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return false;
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}
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$(document).mousemove(function(event) {
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const mouse_position = svg_from_dom({x:event.clientX, y:event.clientY}, svg);
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const mouse_move = sub(mouse_position, previous_mouse_position);
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previous_mouse_position = mouse_position;
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var s_position = mouse_position;
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// get the position inside the svg tag for the mouse
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if (currently_dragging != null) {
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set_location(currently_dragging, add(currently_dragging.position, mouse_move));
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update_handles(currently_dragging);
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}
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});
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function update_handles(g) {
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if (g.element.find('path.glyph,path.vowel-base').length != 0) {
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set_loc(g.handles[0], get_global_point_at_length(svg, g.element.find('path.glyph,path.vowel-base')[0], 0));
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set_loc(g.handles[1], get_global_point_at_length(svg, g.element.find('path.glyph,path.vowel-base')[0], 1000));
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}
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connect_vowels();
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}
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function set_location(glyph, point) {
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glyph.position = point;
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glyph.angle = Math.atan2(point.y, point.x);
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set_transform(glyph.element, glyph.position, appropriate_angle(point));
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update_handles(glyph);
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}
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function connect_vowels() {
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let vowels = $.grep(glyphs, (v) => v.vowel);
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vowels.sort((a, b) => b.angle - a.angle);
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console.log($.map(vowels, (a)=>a.angle));
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// clear oout the old connections
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connections_container.html("");
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if (vowels.length == 0) {
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// if there's no vowels, we should have just a bare circle
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/*} else if (vowels.length == 1) {
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// make a fake point on the other side to connect
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let connection = ns_elem("path", svg_ns);
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add_class(connection, "intervowel");
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let path = `M ${start_x} ${start_y} `;
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path += `A ${}`
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$(connection).attr("d", `M ${start_x} ${start_y} A ${major_radius} ${major_radius} 0 ${sweep} ${large} ${end_x} ${end_y}`);
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connections_container.append(connection);*/
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} else {
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// otherwise iterate over them and connect one to the next
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for (let i=0; i < vowels.length; i++) {
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//connections_container.append($(ns_elem("circle", svg_ns)).attr("r",1).attr("cx",Math.cos(vowels[i].angle)*major_radius).attr("cy",major_radius*Math.sin(vowels[i].angle)));
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let connection = ns_elem("path", svg_ns);
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add_class(connection, "intervowel");
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let first = vowels[i];
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let second = vowels[(i+1)%vowels.length];
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let start_x = parseFloat(first.handles[1].attr("cx"));
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let start_y = parseFloat(first.handles[1].attr("cy"));
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/* abandoned quadratic approach
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let roundness = 0.2*Math.abs(first.angle - second.angle);
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roundness = first.angle > second.angle ? 1 : 0;
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let s_dx = start_x + (Math.sin(first.angle) * major_radius * roundness);
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let s_dy = start_y - (Math.cos(first.angle) * major_radius * roundness);
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*/
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let end_x = parseFloat(second.handles[0].attr("cx"));
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let end_y = parseFloat(second.handles[0].attr("cy"));
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/*
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let e_dx = end_x - (Math.sin(second.angle) * major_radius * roundness);
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let e_dy = end_y + (Math.cos(second.angle) * major_radius * roundness);
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// $(connection).attr("d", `M ${start_x} ${start_y} C ${s_dx} ${s_dy} ${e_dx} ${e_dy} ${end_x} ${end_y}`);
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*/
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let distance = -(second.angle - first.angle);
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if (vowels.length == 1) {
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distance = 1.5*Math.PI;
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}
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let midpoint;
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let sweep = "0";
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let large = "0";
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if (distance < 0) {
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distance += 2*Math.PI;
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}
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if (distance < Math.PI) {
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sweep = "0"
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large = "0"
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} else if (distance < 2*Math.PI) {
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sweep = "1"
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large = "0"
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}
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$(connection).attr("d", `M ${start_x} ${start_y} A ${major_radius} ${major_radius} 0 ${sweep} ${large} ${end_x} ${end_y}`);
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connections_container.append(connection);
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}
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}
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} |