378 lines
11 KiB
JavaScript
378 lines
11 KiB
JavaScript
'use strict'
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function Tool (dotgrid) {
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this.index = 0
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this.settings = { size: { width: 600, height: 300 }, crest: false }
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this.layers = [[], [], []]
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this.styles = [
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{ thickness: 10, strokeLinecap: 'round', strokeLinejoin: 'round', color: '#f00', fill: 'none', mirror_style: 0, transform: 'rotate(45)' },
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{ thickness: 10, strokeLinecap: 'round', strokeLinejoin: 'round', color: '#0f0', fill: 'none', mirror_style: 0, transform: 'rotate(45)' },
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{ thickness: 10, strokeLinecap: 'round', strokeLinejoin: 'round', color: '#00f', fill: 'none', mirror_style: 0, transform: 'rotate(45)' }
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]
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this.vertices = []
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this.reqs = { line: 2, arc_c: 2, arc_r: 2, arc_c_full: 2, arc_r_full: 2, bezier: 3, close: 0 }
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this.start = function () {
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this.styles[0].color = dotgrid.theme.active.f_high
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this.styles[1].color = dotgrid.theme.active.f_med
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this.styles[2].color = dotgrid.theme.active.f_low
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}
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this.erase = function () {
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this.layers = [[], [], []]
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}
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this.reset = function () {
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this.settings.crest = false
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this.styles[0].mirror_style = 0
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this.styles[1].mirror_style = 0
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this.styles[2].mirror_style = 0
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this.styles[0].fill = 'none'
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this.styles[1].fill = 'none'
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this.styles[2].fill = 'none'
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this.erase()
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this.vertices = []
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this.index = 0
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}
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this.clear = function () {
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this.vertices = []
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dotgrid.renderer.update()
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dotgrid.interface.update(true)
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}
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this.undo = function () {
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this.layers = dotgrid.history.prev()
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dotgrid.renderer.update()
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dotgrid.interface.update(true)
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}
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this.redo = function () {
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this.layers = dotgrid.history.next()
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dotgrid.renderer.update()
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dotgrid.interface.update(true)
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}
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this.length = function () {
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return this.layers[0].length + this.layers[1].length + this.layers[2].length
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}
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// I/O
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this.export = function (target = { settings: this.settings, layers: this.layers, styles: this.styles }) {
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return JSON.stringify(copy(target), null, 2)
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}
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this.import = function (layer) {
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this.layers[this.index] = this.layers[this.index].concat(layer)
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dotgrid.history.push(this.layers)
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this.clear()
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dotgrid.renderer.update()
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dotgrid.interface.update(true)
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}
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this.replace = function (dot) {
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if (!dot.layers || dot.layers.length !== 3) { console.warn('Incompatible version'); return }
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if (dot.settings.width && dot.settings.height) {
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dot.settings.size = { width: dot.settings.width, height: dot.settings.height }
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}
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this.layers = dot.layers
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this.styles = dot.styles
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this.settings = dot.settings
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this.clear()
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dotgrid.fitSize()
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dotgrid.renderer.update()
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dotgrid.interface.update(true)
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dotgrid.history.push(this.layers)
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}
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// EDIT
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this.removeSegment = function () {
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if (this.vertices.length > 0) { this.clear(); return }
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this.layer().pop()
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this.clear()
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dotgrid.renderer.update()
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dotgrid.interface.update(true)
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}
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this.removeSegmentsAt = function (pos) {
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for (const segmentId in this.layer()) {
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let segment = this.layer()[segmentId]
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for (const vertexId in segment.vertices) {
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let vertex = segment.vertices[vertexId]
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if (Math.abs(pos.x) === Math.abs(vertex.x) && Math.abs(pos.y) === Math.abs(vertex.y)) {
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segment.vertices.splice(vertexId, 1)
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}
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}
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if (segment.vertices.length < 2) {
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this.layers[this.index].splice(segmentId, 1)
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}
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}
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this.clear()
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dotgrid.renderer.update()
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dotgrid.interface.update(true)
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}
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this.selectSegmentAt = function (pos, source = this.layer()) {
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let target_segment = null
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for (const segmentId in source) {
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let segment = source[segmentId]
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for (const vertexId in segment.vertices) {
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let vertex = segment.vertices[vertexId]
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if (vertex.x === Math.abs(pos.x) && vertex.y === Math.abs(pos.y)) {
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return segment
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}
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}
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}
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return null
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}
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this.addVertex = function (pos) {
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pos = { x: Math.abs(pos.x), y: Math.abs(pos.y) }
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this.vertices.push(pos)
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dotgrid.interface.update(true)
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}
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this.vertexAt = function (pos) {
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for (const segmentId in this.layer()) {
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let segment = this.layer()[segmentId]
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for (const vertexId in segment.vertices) {
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let vertex = segment.vertices[vertexId]
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if (vertex.x === Math.abs(pos.x) && vertex.y === Math.abs(pos.y)) {
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return vertex
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}
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}
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}
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return null
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}
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this.addSegment = function (type, vertices, index = this.index) {
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let append_target = this.canAppend({ type: type, vertices: vertices }, index)
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if (append_target) {
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this.layer(index)[append_target].vertices = this.layer(index)[append_target].vertices.concat(vertices)
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} else {
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this.layer(index).push({ type: type, vertices: vertices })
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}
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}
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this.cast = function (type) {
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if (!this.layer()) { this.layers[this.index] = [] }
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if (!this.canCast(type)) { console.warn('Cannot cast'); return }
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this.addSegment(type, this.vertices.slice())
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dotgrid.history.push(this.layers)
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this.clear()
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dotgrid.renderer.update()
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dotgrid.interface.update(true)
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console.log(`Casted ${type} -> ${this.layer().length} elements`)
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}
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this.i = { linecap: 0, linejoin: 0, thickness: 5 }
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this.toggle = function (type, mod = 1) {
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if (type === 'linecap') {
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let a = ['butt', 'square', 'round']
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this.i.linecap += mod
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this.style().strokeLinecap = a[this.i.linecap % a.length]
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} else if (type === 'linejoin') {
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let a = ['miter', 'round', 'bevel']
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this.i.linejoin += mod
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this.style().strokeLinejoin = a[this.i.linejoin % a.length]
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} else if (type === 'fill') {
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this.style().fill = this.style().fill === 'none' ? this.style().color : 'none'
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} else if (type === 'thickness') {
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this.style().thickness = clamp(this.style().thickness + mod, 1, 100)
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} else if (type === 'mirror') {
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this.style().mirror_style = this.style().mirror_style > 2 ? 0 : this.style().mirror_style + 1
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} else {
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console.warn('Unknown', type)
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}
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dotgrid.interface.update(true)
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dotgrid.renderer.update()
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}
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this.toggleCrest = function () {
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this.settings.crest = this.settings.crest !== true
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dotgrid.interface.update(true)
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dotgrid.renderer.update()
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}
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this.misc = function (type) {
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dotgrid.picker.start()
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}
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this.source = function (type) {
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if (type === 'grid') { dotgrid.renderer.toggle() }
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if (type === 'screen') { app.toggleFullscreen() }
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if (type === 'open') { dotgrid.open() }
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if (type === 'save') { dotgrid.save() }
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if (type === 'render') { dotgrid.render() }
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if (type === 'export') { dotgrid.export() }
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}
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this.canAppend = function (content, index = this.index) {
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for (const id in this.layer(index)) {
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let stroke = this.layer(index)[id]
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if (stroke.type !== content.type) { continue }
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if (!stroke.vertices) { continue }
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if (!stroke.vertices[stroke.vertices.length - 1]) { continue }
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if (stroke.vertices[stroke.vertices.length - 1].x !== content.vertices[0].x) { continue }
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if (stroke.vertices[stroke.vertices.length - 1].y !== content.vertices[0].y) { continue }
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return id
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}
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return false
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}
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this.canCast = function (type) {
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if (!type) { return false }
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// Cannot cast close twice
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if (type === 'close') {
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let prev = this.layer()[this.layer().length - 1]
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if (!prev || prev.type === 'close') {
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return false
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}
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}
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if (type === 'bezier') {
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if (this.vertices.length !== 3 && this.vertices.length !== 5 && this.vertices.length !== 7 && this.vertices.length !== 9) {
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return false
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}
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}
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return this.vertices.length >= this.reqs[type]
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}
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this.paths = function () {
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let l1 = new Generator(dotgrid.tool.layers[0], dotgrid.tool.styles[0]).toString({ x: 0, y: 0 }, 1)
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let l2 = new Generator(dotgrid.tool.layers[1], dotgrid.tool.styles[1]).toString({ x: 0, y: 0 }, 1)
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let l3 = new Generator(dotgrid.tool.layers[2], dotgrid.tool.styles[2]).toString({ x: 0, y: 0 }, 1)
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return [l1, l2, l3]
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}
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this.path = function () {
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return new Generator(dotgrid.tool.layer(), dotgrid.tool.style()).toString({ x: 0, y: 0 }, 1)
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}
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this.translate = function (a, b) {
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for (const segmentId in this.layer()) {
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let segment = this.layer()[segmentId]
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for (const vertexId in segment.vertices) {
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let vertex = segment.vertices[vertexId]
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if (vertex.x === Math.abs(a.x) && vertex.y === Math.abs(a.y)) {
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segment.vertices[vertexId] = { x: Math.abs(b.x), y: Math.abs(b.y) }
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}
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}
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}
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dotgrid.history.push(this.layers)
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this.clear()
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dotgrid.renderer.update()
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}
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this.translateMulti = function (a, b) {
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const offset = { x: a.x - b.x, y: a.y - b.y }
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const segment = this.selectSegmentAt(a)
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if (!segment) { return }
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for (const vertexId in segment.vertices) {
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let vertex = segment.vertices[vertexId]
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segment.vertices[vertexId] = { x: vertex.x - offset.x, y: vertex.y - offset.y }
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}
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dotgrid.history.push(this.layers)
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this.clear()
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dotgrid.renderer.update()
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}
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this.translateLayer = function (a, b) {
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const offset = { x: a.x - b.x, y: a.y - b.y }
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for (const segmentId in this.layer()) {
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let segment = this.layer()[segmentId]
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for (const vertexId in segment.vertices) {
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let vertex = segment.vertices[vertexId]
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segment.vertices[vertexId] = { x: vertex.x - offset.x, y: vertex.y - offset.y }
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}
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}
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dotgrid.history.push(this.layers)
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this.clear()
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dotgrid.renderer.update()
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}
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this.translateCopy = function (a, b) {
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const offset = { x: a.x - b.x, y: a.y - b.y }
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const segment = this.selectSegmentAt(a, copy(this.layer()))
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if (!segment) { return }
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for (const vertexId in segment.vertices) {
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let vertex = segment.vertices[vertexId]
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segment.vertices[vertexId] = { x: vertex.x - offset.x, y: vertex.y - offset.y }
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}
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this.layer().push(segment)
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dotgrid.history.push(this.layers)
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this.clear()
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dotgrid.renderer.update()
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}
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this.merge = function () {
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const merged = [].concat(this.layers[0]).concat(this.layers[1]).concat(this.layers[2])
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this.erase()
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this.layers[this.index] = merged
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dotgrid.history.push(this.layers)
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this.clear()
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dotgrid.renderer.update()
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}
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// Style
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this.style = function () {
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if (!this.styles[this.index]) {
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this.styles[this.index] = []
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}
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return this.styles[this.index]
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}
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// Layers
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this.layer = function (index = this.index) {
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if (!this.layers[index]) {
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this.layers[index] = []
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}
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return this.layers[index]
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}
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this.selectLayer = function (id) {
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this.index = clamp(id, 0, 2)
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if (this.index !== 0) { this.settings.crest = false }
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this.clear()
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dotgrid.renderer.update()
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dotgrid.interface.update(true)
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console.log(`layer:${this.index}`)
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}
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this.selectNextLayer = function () {
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this.index = this.index >= 2 ? 0 : this.index++
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this.selectLayer(this.index)
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}
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this.selectPrevLayer = function () {
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this.index = this.index >= 0 ? 2 : this.index--
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this.selectLayer(this.index)
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}
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function copy (data) { return data ? JSON.parse(JSON.stringify(data)) : [] }
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function clamp (v, min, max) { return v < min ? min : v > max ? max : v }
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}
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