2018-08-28 04:34:17 +00:00
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'use strict';
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2018-05-28 07:24:19 +00:00
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function Generator(layer,style)
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2018-05-09 21:56:55 +00:00
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{
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this.layer = layer;
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2018-05-28 07:24:19 +00:00
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this.style = style;
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2018-05-09 21:56:55 +00:00
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2018-05-28 07:24:19 +00:00
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function operate(layer,offset,scale,mirror = 0,angle = 0)
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2018-05-09 21:56:55 +00:00
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{
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2018-10-01 19:38:14 +00:00
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const l = copy(layer)
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2018-05-09 21:56:55 +00:00
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2018-10-01 19:38:14 +00:00
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for(const k1 in l){
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const seg = l[k1];
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for(const k2 in seg.vertices){
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2018-08-03 01:10:57 +00:00
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if(mirror == 1){ seg.vertices[k2].x = (dotgrid.tool.settings.size.width) - seg.vertices[k2].x + 15 }
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if(mirror == 2){ seg.vertices[k2].y = (dotgrid.tool.settings.size.height) - seg.vertices[k2].y + 30 }
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2018-05-28 07:24:19 +00:00
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// Offset
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2018-05-09 21:56:55 +00:00
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seg.vertices[k2].x += offset.x
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seg.vertices[k2].y += offset.y
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2018-05-28 07:24:19 +00:00
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// Rotate
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2018-10-01 19:38:14 +00:00
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const center = {x:(dotgrid.tool.settings.size.width/2)+offset.x+(7.5),y:(dotgrid.tool.settings.size.height/2)+offset.y+30}
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2018-05-28 07:24:19 +00:00
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seg.vertices[k2] = rotate_point(seg.vertices[k2],center,angle)
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// Scale
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seg.vertices[k2].x *= scale
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2018-05-09 21:56:55 +00:00
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seg.vertices[k2].y *= scale
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}
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}
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return l;
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}
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2018-05-24 21:25:17 +00:00
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this.render = function(prev,segment,mirror = 0)
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2018-05-09 21:56:55 +00:00
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{
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2018-10-01 19:38:14 +00:00
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const type = segment.type;
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const vertices = segment.vertices;
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2018-08-26 19:39:15 +00:00
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let html = '';
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let skip = 0;
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2018-05-09 21:56:55 +00:00
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2018-10-01 19:38:14 +00:00
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for(const id in vertices){
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2018-05-09 21:56:55 +00:00
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if(skip > 0){ skip -= 1; continue; }
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2018-08-26 19:39:15 +00:00
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let vertex = vertices[id]
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let next = vertices[parseInt(id)+1]
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let after_next = vertices[parseInt(id)+2]
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2018-05-09 21:56:55 +00:00
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2018-05-24 21:25:17 +00:00
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if(id == 0 && !prev || id == 0 && prev && (prev.x != vertex.x || prev.y != vertex.y)){
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html += `M${vertex.x},${vertex.y} `
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2018-05-09 21:56:55 +00:00
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}
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2018-05-10 20:46:50 +00:00
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if(type == "line"){
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2018-05-09 21:56:55 +00:00
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html += `L${vertex.x},${vertex.y} `;
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}
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else if(type == "arc_c"){
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2018-08-26 19:39:15 +00:00
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let clock = mirror > 0 ? '0,0' : '0,1'
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2018-07-08 20:49:22 +00:00
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html += next ? `A${Math.abs(next.x - vertex.x)},${Math.abs(next.y - vertex.y)} 0 ${clock} ${next.x},${next.y} ` : '';
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2018-05-09 21:56:55 +00:00
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}
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else if(type == "arc_r"){
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2018-08-26 19:39:15 +00:00
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let clock = mirror > 0 ? '0,1' : '0,0'
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2018-07-08 20:49:22 +00:00
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html += next ? `A${Math.abs(next.x - vertex.x)},${Math.abs(next.y - vertex.y)} 0 ${clock} ${next.x},${next.y} ` : '';
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2018-05-09 21:56:55 +00:00
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}
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else if(type == "bezier"){
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html += next && after_next ?`Q${next.x},${next.y} ${after_next.x},${after_next.y} ` : '';
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2018-06-03 21:52:19 +00:00
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skip = 1
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2018-05-09 21:56:55 +00:00
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}
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else{
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console.warn(`unknown type:${type}`)
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}
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}
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2018-05-10 21:13:01 +00:00
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if(segment.type == "close"){
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html += "Z "
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}
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2018-05-09 21:56:55 +00:00
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return html
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}
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2018-05-28 07:24:19 +00:00
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this.convert = function(layer,mirror,angle)
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2018-05-09 21:56:55 +00:00
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{
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2018-08-26 19:39:15 +00:00
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let s = ""
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let prev = null
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2018-10-01 19:38:14 +00:00
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for(const id in layer){
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const seg = layer[id];
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2018-05-24 21:25:17 +00:00
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s += `${this.render(prev,seg,mirror)}`
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prev = seg.vertices ? seg.vertices[seg.vertices.length-1] : null
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2018-05-09 21:56:55 +00:00
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}
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2018-05-10 21:47:09 +00:00
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return s;
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2018-05-10 21:37:47 +00:00
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}
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2018-05-29 02:50:03 +00:00
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this.toString = function(offset = {x:0,y:0}, scale = 1, mirror = this.style && this.style.mirror_style ? this.style.mirror_style : 0)
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2018-05-10 21:37:47 +00:00
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{
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2018-08-26 19:39:15 +00:00
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let s = this.convert(operate(this.layer,offset,scale))
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2018-05-10 21:47:09 +00:00
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if(mirror == 1 || mirror == 2){
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2018-05-11 21:34:01 +00:00
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s += this.convert(operate(this.layer,offset,scale,mirror),mirror)
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2018-05-10 21:47:09 +00:00
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}
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2018-05-28 07:24:19 +00:00
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if(mirror == 3){
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s += this.convert(operate(this.layer,offset,scale,mirror,120),mirror)
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s += this.convert(operate(this.layer,offset,scale,mirror,240),mirror)
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}
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if(mirror == 4){
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s += this.convert(operate(this.layer,offset,scale,mirror,72),mirror)
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s += this.convert(operate(this.layer,offset,scale,mirror,144),mirror)
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s += this.convert(operate(this.layer,offset,scale,mirror,216),mirror)
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s += this.convert(operate(this.layer,offset,scale,mirror,288),mirror)
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}
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2018-05-10 21:37:47 +00:00
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return s
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2018-05-09 21:56:55 +00:00
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}
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function copy(data){ return data ? JSON.parse(JSON.stringify(data)) : []; }
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2018-05-28 07:24:19 +00:00
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function rotate_point(point, origin, angle){ angle = angle * Math.PI / 180.0; return { x: (Math.cos(angle) * (point.x-origin.x) - Math.sin(angle) * (point.y-origin.y) + origin.x).toFixed(1), y: (Math.sin(angle) * (point.x-origin.x) + Math.cos(angle) * (point.y-origin.y) + origin.y).toFixed(1) }; }
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2018-05-09 21:56:55 +00:00
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}
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