{"custom_javascript_content":"var pJS = function(tag_id, params){\r\n\r\n var canvas_el = document.querySelector('#'+tag_id+' > .particles-js-canvas-el');\r\n\r\n \/* particles.js variables with default values *\/\r\n this.pJS = {\r\n canvas: {\r\n el: canvas_el,\r\n w: canvas_el.offsetWidth,\r\n h: canvas_el.offsetHeight\r\n },\r\n particles: {\r\n number: {\r\n value: 400,\r\n density: {\r\n enable: true,\r\n value_area: 800\r\n }\r\n },\r\n color: {\r\n value: '#fff'\r\n },\r\n shape: {\r\n type: 'circle',\r\n stroke: {\r\n width: 0,\r\n color: '#ff0000'\r\n },\r\n polygon: {\r\n nb_sides: 5\r\n },\r\n image: {\r\n src: '',\r\n width: 100,\r\n height: 100\r\n }\r\n },\r\n opacity: {\r\n value: 1,\r\n random: false,\r\n anim: {\r\n enable: false,\r\n speed: 2,\r\n opacity_min: 0,\r\n sync: false\r\n }\r\n },\r\n size: {\r\n value: 20,\r\n random: false,\r\n anim: {\r\n enable: false,\r\n speed: 20,\r\n size_min: 0,\r\n sync: false\r\n }\r\n },\r\n line_linked: {\r\n enable: true,\r\n distance: 100,\r\n color: '#fff',\r\n opacity: 1,\r\n width: 1\r\n },\r\n move: {\r\n enable: true,\r\n speed: 2,\r\n direction: 'none',\r\n random: false,\r\n straight: false,\r\n out_mode: 'out',\r\n bounce: false,\r\n attract: {\r\n enable: false,\r\n rotateX: 3000,\r\n rotateY: 3000\r\n }\r\n },\r\n array: []\r\n },\r\n interactivity: {\r\n detect_on: 'canvas',\r\n events: {\r\n onhover: {\r\n enable: true,\r\n mode: 'grab'\r\n },\r\n onclick: {\r\n enable: true,\r\n mode: 'push'\r\n },\r\n resize: true\r\n },\r\n modes: {\r\n grab:{\r\n distance: 100,\r\n line_linked:{\r\n opacity: 1\r\n }\r\n },\r\n bubble:{\r\n distance: 200,\r\n size: 80,\r\n duration: 0.4\r\n },\r\n repulse:{\r\n distance: 200,\r\n duration: 0.4\r\n },\r\n push:{\r\n particles_nb: 4\r\n },\r\n remove:{\r\n particles_nb: 2\r\n }\r\n },\r\n mouse:{}\r\n },\r\n retina_detect: false,\r\n fn: {\r\n interact: {},\r\n modes: {},\r\n vendors:{}\r\n },\r\n tmp: {}\r\n };\r\n\r\n var pJS = this.pJS;\r\n\r\n \/* params settings *\/\r\n if(params){\r\n Object.deepExtend(pJS, params);\r\n }\r\n\r\n pJS.tmp.obj = {\r\n size_value: pJS.particles.size.value,\r\n size_anim_speed: pJS.particles.size.anim.speed,\r\n move_speed: pJS.particles.move.speed,\r\n line_linked_distance: pJS.particles.line_linked.distance,\r\n line_linked_width: pJS.particles.line_linked.width,\r\n mode_grab_distance: pJS.interactivity.modes.grab.distance,\r\n mode_bubble_distance: pJS.interactivity.modes.bubble.distance,\r\n mode_bubble_size: pJS.interactivity.modes.bubble.size,\r\n mode_repulse_distance: pJS.interactivity.modes.repulse.distance\r\n };\r\n\r\n\r\n pJS.fn.retinaInit = function(){\r\n\r\n if(pJS.retina_detect && window.devicePixelRatio > 1){\r\n pJS.canvas.pxratio = window.devicePixelRatio; \r\n pJS.tmp.retina = true;\r\n } \r\n else{\r\n pJS.canvas.pxratio = 1;\r\n pJS.tmp.retina = false;\r\n }\r\n\r\n pJS.canvas.w = pJS.canvas.el.offsetWidth * pJS.canvas.pxratio;\r\n pJS.canvas.h = pJS.canvas.el.offsetHeight * pJS.canvas.pxratio;\r\n\r\n pJS.particles.size.value = pJS.tmp.obj.size_value * pJS.canvas.pxratio;\r\n pJS.particles.size.anim.speed = pJS.tmp.obj.size_anim_speed * pJS.canvas.pxratio;\r\n pJS.particles.move.speed = pJS.tmp.obj.move_speed * pJS.canvas.pxratio;\r\n pJS.particles.line_linked.distance = pJS.tmp.obj.line_linked_distance * pJS.canvas.pxratio;\r\n pJS.interactivity.modes.grab.distance = pJS.tmp.obj.mode_grab_distance * pJS.canvas.pxratio;\r\n pJS.interactivity.modes.bubble.distance = pJS.tmp.obj.mode_bubble_distance * pJS.canvas.pxratio;\r\n pJS.particles.line_linked.width = pJS.tmp.obj.line_linked_width * pJS.canvas.pxratio;\r\n pJS.interactivity.modes.bubble.size = pJS.tmp.obj.mode_bubble_size * pJS.canvas.pxratio;\r\n pJS.interactivity.modes.repulse.distance = pJS.tmp.obj.mode_repulse_distance * pJS.canvas.pxratio;\r\n\r\n };\r\n\r\n\r\n\r\n \/* ---------- pJS functions - canvas ------------ *\/\r\n\r\n pJS.fn.canvasInit = function(){\r\n pJS.canvas.ctx = pJS.canvas.el.getContext('2d');\r\n };\r\n\r\n pJS.fn.canvasSize = function(){\r\n\r\n pJS.canvas.el.width = pJS.canvas.w;\r\n pJS.canvas.el.height = pJS.canvas.h;\r\n\r\n if(pJS && pJS.interactivity.events.resize){\r\n\r\n window.addEventListener('resize', function(){\r\n\r\n pJS.canvas.w = pJS.canvas.el.offsetWidth;\r\n pJS.canvas.h = pJS.canvas.el.offsetHeight;\r\n\r\n \/* resize canvas *\/\r\n if(pJS.tmp.retina){\r\n pJS.canvas.w *= pJS.canvas.pxratio;\r\n pJS.canvas.h *= pJS.canvas.pxratio;\r\n }\r\n\r\n pJS.canvas.el.width = pJS.canvas.w;\r\n pJS.canvas.el.height = pJS.canvas.h;\r\n\r\n \/* repaint canvas on anim disabled *\/\r\n if(!pJS.particles.move.enable){\r\n pJS.fn.particlesEmpty();\r\n pJS.fn.particlesCreate();\r\n pJS.fn.particlesDraw();\r\n pJS.fn.vendors.densityAutoParticles();\r\n }\r\n\r\n \/* density particles enabled *\/\r\n pJS.fn.vendors.densityAutoParticles();\r\n\r\n });\r\n\r\n }\r\n\r\n };\r\n\r\n\r\n pJS.fn.canvasPaint = function(){\r\n pJS.canvas.ctx.fillRect(0, 0, pJS.canvas.w, pJS.canvas.h);\r\n };\r\n\r\n pJS.fn.canvasClear = function(){\r\n pJS.canvas.ctx.clearRect(0, 0, pJS.canvas.w, pJS.canvas.h);\r\n };\r\n\r\n\r\n \/* --------- pJS functions - particles ----------- *\/\r\n\r\n pJS.fn.particle = function(color, opacity, position){\r\n\r\n \/* size *\/\r\n this.radius = (pJS.particles.size.random ? Math.random() : 1) * pJS.particles.size.value;\r\n if(pJS.particles.size.anim.enable){\r\n this.size_status = false;\r\n this.vs = pJS.particles.size.anim.speed \/ 100;\r\n if(!pJS.particles.size.anim.sync){\r\n this.vs = this.vs * Math.random();\r\n }\r\n }\r\n\r\n \/* position *\/\r\n this.x = position ? position.x : Math.random() * pJS.canvas.w;\r\n this.y = position ? position.y : Math.random() * pJS.canvas.h;\r\n\r\n \/* check position - into the canvas *\/\r\n if(this.x > pJS.canvas.w - this.radius*2) this.x = this.x - this.radius;\r\n else if(this.x < this.radius*2) this.x = this.x + this.radius;\r\n if(this.y > pJS.canvas.h - this.radius*2) this.y = this.y - this.radius;\r\n else if(this.y < this.radius*2) this.y = this.y + this.radius;\r\n\r\n \/* check position - avoid overlap *\/\r\n if(pJS.particles.move.bounce){\r\n pJS.fn.vendors.checkOverlap(this, position);\r\n }\r\n\r\n \/* color *\/\r\n this.color = {};\r\n if(typeof(color.value) == 'object'){\r\n\r\n if(color.value instanceof Array){\r\n var color_selected = color.value[Math.floor(Math.random() * pJS.particles.color.value.length)];\r\n this.color.rgb = hexToRgb(color_selected);\r\n }else{\r\n if(color.value.r != undefined && color.value.g != undefined && color.value.b != undefined){\r\n this.color.rgb = {\r\n r: color.value.r,\r\n g: color.value.g,\r\n b: color.value.b\r\n }\r\n }\r\n if(color.value.h != undefined && color.value.s != undefined && color.value.l != undefined){\r\n this.color.hsl = {\r\n h: color.value.h,\r\n s: color.value.s,\r\n l: color.value.l\r\n }\r\n }\r\n }\r\n\r\n }\r\n else if(color.value == 'random'){\r\n this.color.rgb = {\r\n r: (Math.floor(Math.random() * (255 - 0 + 1)) + 0),\r\n g: (Math.floor(Math.random() * (255 - 0 + 1)) + 0),\r\n b: (Math.floor(Math.random() * (255 - 0 + 1)) + 0)\r\n }\r\n }\r\n else if(typeof(color.value) == 'string'){\r\n this.color = color;\r\n this.color.rgb = hexToRgb(this.color.value);\r\n }\r\n\r\n \/* opacity *\/\r\n this.opacity = (pJS.particles.opacity.random ? Math.random() : 1) * pJS.particles.opacity.value;\r\n if(pJS.particles.opacity.anim.enable){\r\n this.opacity_status = false;\r\n this.vo = pJS.particles.opacity.anim.speed \/ 100;\r\n if(!pJS.particles.opacity.anim.sync){\r\n this.vo = this.vo * Math.random();\r\n }\r\n }\r\n\r\n \/* animation - velocity for speed *\/\r\n var velbase = {}\r\n switch(pJS.particles.move.direction){\r\n case 'top':\r\n velbase = { x:0, y:-1 };\r\n break;\r\n case 'top-right':\r\n velbase = { x:0.5, y:-0.5 };\r\n break;\r\n case 'right':\r\n velbase = { x:1, y:-0 };\r\n break;\r\n case 'bottom-right':\r\n velbase = { x:0.5, y:0.5 };\r\n break;\r\n case 'bottom':\r\n velbase = { x:0, y:1 };\r\n break;\r\n case 'bottom-left':\r\n velbase = { x:-0.5, y:1 };\r\n break;\r\n case 'left':\r\n velbase = { x:-1, y:0 };\r\n break;\r\n case 'top-left':\r\n velbase = { x:-0.5, y:-0.5 };\r\n break;\r\n default:\r\n velbase = { x:0, y:0 };\r\n break;\r\n }\r\n\r\n if(pJS.particles.move.straight){\r\n this.vx = velbase.x;\r\n this.vy = velbase.y;\r\n if(pJS.particles.move.random){\r\n this.vx = this.vx * (Math.random());\r\n this.vy = this.vy * (Math.random());\r\n }\r\n }else{\r\n this.vx = velbase.x + Math.random()-0.5;\r\n this.vy = velbase.y + Math.random()-0.5;\r\n }\r\n\r\n \/\/ var theta = 2.0 * Math.PI * Math.random();\r\n \/\/ this.vx = Math.cos(theta);\r\n \/\/ this.vy = Math.sin(theta);\r\n\r\n this.vx_i = this.vx;\r\n this.vy_i = this.vy;\r\n\r\n \r\n\r\n \/* if shape is image *\/\r\n\r\n var shape_type = pJS.particles.shape.type;\r\n if(typeof(shape_type) == 'object'){\r\n if(shape_type instanceof Array){\r\n var shape_selected = shape_type[Math.floor(Math.random() * shape_type.length)];\r\n this.shape = shape_selected;\r\n }\r\n }else{\r\n this.shape = shape_type;\r\n }\r\n\r\n if(this.shape == 'image'){\r\n var sh = pJS.particles.shape;\r\n this.img = {\r\n src: sh.image.src,\r\n ratio: sh.image.width \/ sh.image.height\r\n }\r\n if(!this.img.ratio) this.img.ratio = 1;\r\n if(pJS.tmp.img_type == 'svg' && pJS.tmp.source_svg != undefined){\r\n pJS.fn.vendors.createSvgImg(this);\r\n if(pJS.tmp.pushing){\r\n this.img.loaded = false;\r\n }\r\n }\r\n }\r\n\r\n \r\n\r\n };\r\n\r\n\r\n pJS.fn.particle.prototype.draw = function() {\r\n\r\n var p = this;\r\n\r\n if(p.radius_bubble != undefined){\r\n var radius = p.radius_bubble; \r\n }else{\r\n var radius = p.radius;\r\n }\r\n\r\n if(p.opacity_bubble != undefined){\r\n var opacity = p.opacity_bubble;\r\n }else{\r\n var opacity = p.opacity;\r\n }\r\n\r\n if(p.color.rgb){\r\n var color_value = 'rgba('+p.color.rgb.r+','+p.color.rgb.g+','+p.color.rgb.b+','+opacity+')';\r\n }else{\r\n var color_value = 'hsla('+p.color.hsl.h+','+p.color.hsl.s+'%,'+p.color.hsl.l+'%,'+opacity+')';\r\n }\r\n\r\n pJS.canvas.ctx.fillStyle = color_value;\r\n pJS.canvas.ctx.beginPath();\r\n\r\n switch(p.shape){\r\n\r\n case 'circle':\r\n pJS.canvas.ctx.arc(p.x, p.y, radius, 0, Math.PI * 2, false);\r\n break;\r\n\r\n case 'edge':\r\n pJS.canvas.ctx.rect(p.x-radius, p.y-radius, radius*2, radius*2);\r\n break;\r\n\r\n case 'triangle':\r\n pJS.fn.vendors.drawShape(pJS.canvas.ctx, p.x-radius, p.y+radius \/ 1.66, radius*2, 3, 2);\r\n break;\r\n\r\n case 'polygon':\r\n pJS.fn.vendors.drawShape(\r\n pJS.canvas.ctx,\r\n p.x - radius \/ (pJS.particles.shape.polygon.nb_sides\/3.5), \/\/ startX\r\n p.y - radius \/ (2.66\/3.5), \/\/ startY\r\n radius*2.66 \/ (pJS.particles.shape.polygon.nb_sides\/3), \/\/ sideLength\r\n pJS.particles.shape.polygon.nb_sides, \/\/ sideCountNumerator\r\n 1 \/\/ sideCountDenominator\r\n );\r\n break;\r\n\r\n case 'star':\r\n pJS.fn.vendors.drawShape(\r\n pJS.canvas.ctx,\r\n p.x - radius*2 \/ (pJS.particles.shape.polygon.nb_sides\/4), \/\/ startX\r\n p.y - radius \/ (2*2.66\/3.5), \/\/ startY\r\n radius*2*2.66 \/ (pJS.particles.shape.polygon.nb_sides\/3), \/\/ sideLength\r\n pJS.particles.shape.polygon.nb_sides, \/\/ sideCountNumerator\r\n 2 \/\/ sideCountDenominator\r\n );\r\n break;\r\n\r\n case 'image':\r\n\r\n function draw(){\r\n pJS.canvas.ctx.drawImage(\r\n img_obj,\r\n p.x-radius,\r\n p.y-radius,\r\n radius*2,\r\n radius*2 \/ p.img.ratio\r\n );\r\n }\r\n\r\n if(pJS.tmp.img_type == 'svg'){\r\n var img_obj = p.img.obj;\r\n }else{\r\n var img_obj = pJS.tmp.img_obj;\r\n }\r\n\r\n if(img_obj){\r\n draw();\r\n }\r\n\r\n break;\r\n\r\n }\r\n\r\n pJS.canvas.ctx.closePath();\r\n\r\n if(pJS.particles.shape.stroke.width > 0){\r\n pJS.canvas.ctx.strokeStyle = pJS.particles.shape.stroke.color;\r\n pJS.canvas.ctx.lineWidth = pJS.particles.shape.stroke.width;\r\n pJS.canvas.ctx.stroke();\r\n }\r\n \r\n pJS.canvas.ctx.fill();\r\n \r\n };\r\n\r\n\r\n pJS.fn.particlesCreate = function(){\r\n for(var i = 0; i < pJS.particles.number.value; i++) {\r\n pJS.particles.array.push(new pJS.fn.particle(pJS.particles.color, pJS.particles.opacity.value));\r\n }\r\n };\r\n\r\n pJS.fn.particlesUpdate = function(){\r\n\r\n for(var i = 0; i < pJS.particles.array.length; i++){\r\n\r\n \/* the particle *\/\r\n var p = pJS.particles.array[i];\r\n\r\n \/\/ var d = ( dx = pJS.interactivity.mouse.click_pos_x - p.x ) * dx + ( dy = pJS.interactivity.mouse.click_pos_y - p.y ) * dy;\r\n \/\/ var f = -BANG_SIZE \/ d;\r\n \/\/ if ( d < BANG_SIZE ) {\r\n \/\/ var t = Math.atan2( dy, dx );\r\n \/\/ p.vx = f * Math.cos(t);\r\n \/\/ p.vy = f * Math.sin(t);\r\n \/\/ }\r\n\r\n \/* move the particle *\/\r\n if(pJS.particles.move.enable){\r\n var ms = pJS.particles.move.speed\/2;\r\n p.x += p.vx * ms;\r\n p.y += p.vy * ms;\r\n }\r\n\r\n \/* change opacity status *\/\r\n if(pJS.particles.opacity.anim.enable) {\r\n if(p.opacity_status == true) {\r\n if(p.opacity >= pJS.particles.opacity.value) p.opacity_status = false;\r\n p.opacity += p.vo;\r\n }else {\r\n if(p.opacity <= pJS.particles.opacity.anim.opacity_min) p.opacity_status = true;\r\n p.opacity -= p.vo;\r\n }\r\n if(p.opacity < 0) p.opacity = 0;\r\n }\r\n\r\n \/* change size *\/\r\n if(pJS.particles.size.anim.enable){\r\n if(p.size_status == true){\r\n if(p.radius >= pJS.particles.size.value) p.size_status = false;\r\n p.radius += p.vs;\r\n }else{\r\n if(p.radius <= pJS.particles.size.anim.size_min) p.size_status = true;\r\n p.radius -= p.vs;\r\n }\r\n if(p.radius < 0) p.radius = 0;\r\n }\r\n\r\n \/* change particle position if it is out of canvas *\/\r\n if(pJS.particles.move.out_mode == 'bounce'){\r\n var new_pos = {\r\n x_left: p.radius,\r\n x_right: pJS.canvas.w,\r\n y_top: p.radius,\r\n y_bottom: pJS.canvas.h\r\n }\r\n }else{\r\n var new_pos = {\r\n x_left: -p.radius,\r\n x_right: pJS.canvas.w + p.radius,\r\n y_top: -p.radius,\r\n y_bottom: pJS.canvas.h + p.radius\r\n }\r\n }\r\n\r\n if(p.x - p.radius > pJS.canvas.w){\r\n p.x = new_pos.x_left;\r\n p.y = Math.random() * pJS.canvas.h;\r\n }\r\n else if(p.x + p.radius < 0){\r\n p.x = new_pos.x_right;\r\n p.y = Math.random() * pJS.canvas.h;\r\n }\r\n if(p.y - p.radius > pJS.canvas.h){\r\n p.y = new_pos.y_top;\r\n p.x = Math.random() * pJS.canvas.w;\r\n }\r\n else if(p.y + p.radius < 0){\r\n p.y = new_pos.y_bottom;\r\n p.x = Math.random() * pJS.canvas.w;\r\n }\r\n\r\n \/* out of canvas modes *\/\r\n switch(pJS.particles.move.out_mode){\r\n case 'bounce':\r\n if (p.x + p.radius > pJS.canvas.w) p.vx = -p.vx;\r\n else if (p.x - p.radius < 0) p.vx = -p.vx;\r\n if (p.y + p.radius > pJS.canvas.h) p.vy = -p.vy;\r\n else if (p.y - p.radius < 0) p.vy = -p.vy;\r\n break;\r\n }\r\n\r\n \/* events *\/\r\n if(isInArray('grab', pJS.interactivity.events.onhover.mode)){\r\n pJS.fn.modes.grabParticle(p);\r\n }\r\n\r\n if(isInArray('bubble', pJS.interactivity.events.onhover.mode) || isInArray('bubble', pJS.interactivity.events.onclick.mode)){\r\n pJS.fn.modes.bubbleParticle(p);\r\n }\r\n\r\n if(isInArray('repulse', pJS.interactivity.events.onhover.mode) || isInArray('repulse', pJS.interactivity.events.onclick.mode)){\r\n pJS.fn.modes.repulseParticle(p);\r\n }\r\n\r\n \/* interaction auto between particles *\/\r\n if(pJS.particles.line_linked.enable || pJS.particles.move.attract.enable){\r\n for(var j = i + 1; j < pJS.particles.array.length; j++){\r\n var p2 = pJS.particles.array[j];\r\n\r\n \/* link particles *\/\r\n if(pJS.particles.line_linked.enable){\r\n pJS.fn.interact.linkParticles(p,p2);\r\n }\r\n\r\n \/* attract particles *\/\r\n if(pJS.particles.move.attract.enable){\r\n pJS.fn.interact.attractParticles(p,p2);\r\n }\r\n\r\n \/* bounce particles *\/\r\n if(pJS.particles.move.bounce){\r\n pJS.fn.interact.bounceParticles(p,p2);\r\n }\r\n\r\n }\r\n }\r\n\r\n\r\n }\r\n\r\n };\r\n\r\n pJS.fn.particlesDraw = function(){\r\n\r\n \/* clear canvas *\/\r\n pJS.canvas.ctx.clearRect(0, 0, pJS.canvas.w, pJS.canvas.h);\r\n\r\n \/* update each particles param *\/\r\n pJS.fn.particlesUpdate();\r\n\r\n \/* draw each particle *\/\r\n for(var i = 0; i < pJS.particles.array.length; i++){\r\n var p = pJS.particles.array[i];\r\n p.draw();\r\n }\r\n\r\n };\r\n\r\n pJS.fn.particlesEmpty = function(){\r\n pJS.particles.array = [];\r\n };\r\n\r\n pJS.fn.particlesRefresh = function(){\r\n\r\n \/* init all *\/\r\n cancelRequestAnimFrame(pJS.fn.checkAnimFrame);\r\n cancelRequestAnimFrame(pJS.fn.drawAnimFrame);\r\n pJS.tmp.source_svg = undefined;\r\n pJS.tmp.img_obj = undefined;\r\n pJS.tmp.count_svg = 0;\r\n pJS.fn.particlesEmpty();\r\n pJS.fn.canvasClear();\r\n \r\n \/* restart *\/\r\n pJS.fn.vendors.start();\r\n\r\n };\r\n\r\n\r\n \/* ---------- pJS functions - particles interaction ------------ *\/\r\n\r\n pJS.fn.interact.linkParticles = function(p1, p2){\r\n\r\n var dx = p1.x - p2.x,\r\n dy = p1.y - p2.y,\r\n dist = Math.sqrt(dx*dx + dy*dy);\r\n\r\n \/* draw a line between p1 and p2 if the distance between them is under the config distance *\/\r\n if(dist <= pJS.particles.line_linked.distance){\r\n\r\n var opacity_line = pJS.particles.line_linked.opacity - (dist \/ (1\/pJS.particles.line_linked.opacity)) \/ pJS.particles.line_linked.distance;\r\n\r\n if(opacity_line > 0){ \r\n \r\n \/* style *\/\r\n var color_line = pJS.particles.line_linked.color_rgb_line;\r\n pJS.canvas.ctx.strokeStyle = 'rgba('+color_line.r+','+color_line.g+','+color_line.b+','+opacity_line+')';\r\n pJS.canvas.ctx.lineWidth = pJS.particles.line_linked.width;\r\n \/\/pJS.canvas.ctx.lineCap = 'round'; \/* performance issue *\/\r\n \r\n \/* path *\/\r\n pJS.canvas.ctx.beginPath();\r\n pJS.canvas.ctx.moveTo(p1.x, p1.y);\r\n pJS.canvas.ctx.lineTo(p2.x, p2.y);\r\n pJS.canvas.ctx.stroke();\r\n pJS.canvas.ctx.closePath();\r\n\r\n }\r\n\r\n }\r\n\r\n };\r\n\r\n\r\n pJS.fn.interact.attractParticles = function(p1, p2){\r\n\r\n \/* condensed particles *\/\r\n var dx = p1.x - p2.x,\r\n dy = p1.y - p2.y,\r\n dist = Math.sqrt(dx*dx + dy*dy);\r\n\r\n if(dist <= pJS.particles.line_linked.distance){\r\n\r\n var ax = dx\/(pJS.particles.move.attract.rotateX*1000),\r\n ay = dy\/(pJS.particles.move.attract.rotateY*1000);\r\n\r\n p1.vx -= ax;\r\n p1.vy -= ay;\r\n\r\n p2.vx += ax;\r\n p2.vy += ay;\r\n\r\n }\r\n \r\n\r\n }\r\n\r\n\r\n pJS.fn.interact.bounceParticles = function(p1, p2){\r\n\r\n var dx = p1.x - p2.x,\r\n dy = p1.y - p2.y,\r\n dist = Math.sqrt(dx*dx + dy*dy),\r\n dist_p = p1.radius+p2.radius;\r\n\r\n if(dist <= dist_p){\r\n p1.vx = -p1.vx;\r\n p1.vy = -p1.vy;\r\n\r\n p2.vx = -p2.vx;\r\n p2.vy = -p2.vy;\r\n }\r\n\r\n }\r\n\r\n\r\n \/* ---------- pJS functions - modes events ------------ *\/\r\n\r\n pJS.fn.modes.pushParticles = function(nb, pos){\r\n\r\n pJS.tmp.pushing = true;\r\n\r\n for(var i = 0; i < nb; i++){\r\n pJS.particles.array.push(\r\n new pJS.fn.particle(\r\n pJS.particles.color,\r\n pJS.particles.opacity.value,\r\n {\r\n 'x': pos ? pos.pos_x : Math.random() * pJS.canvas.w,\r\n 'y': pos ? pos.pos_y : Math.random() * pJS.canvas.h\r\n }\r\n )\r\n )\r\n if(i == nb-1){\r\n if(!pJS.particles.move.enable){\r\n pJS.fn.particlesDraw();\r\n }\r\n pJS.tmp.pushing = false;\r\n }\r\n }\r\n\r\n };\r\n\r\n\r\n pJS.fn.modes.removeParticles = function(nb){\r\n\r\n pJS.particles.array.splice(0, nb);\r\n if(!pJS.particles.move.enable){\r\n pJS.fn.particlesDraw();\r\n }\r\n\r\n };\r\n\r\n\r\n pJS.fn.modes.bubbleParticle = function(p){\r\n\r\n \/* on hover event *\/\r\n if(pJS.interactivity.events.onhover.enable && isInArray('bubble', pJS.interactivity.events.onhover.mode)){\r\n\r\n var dx_mouse = p.x - pJS.interactivity.mouse.pos_x,\r\n dy_mouse = p.y - pJS.interactivity.mouse.pos_y,\r\n dist_mouse = Math.sqrt(dx_mouse*dx_mouse + dy_mouse*dy_mouse),\r\n ratio = 1 - dist_mouse \/ pJS.interactivity.modes.bubble.distance;\r\n\r\n function init(){\r\n p.opacity_bubble = p.opacity;\r\n p.radius_bubble = p.radius;\r\n }\r\n\r\n \/* mousemove - check ratio *\/\r\n if(dist_mouse <= pJS.interactivity.modes.bubble.distance){\r\n\r\n if(ratio >= 0 && pJS.interactivity.status == 'mousemove'){\r\n \r\n \/* size *\/\r\n if(pJS.interactivity.modes.bubble.size != pJS.particles.size.value){\r\n\r\n if(pJS.interactivity.modes.bubble.size > pJS.particles.size.value){\r\n var size = p.radius + (pJS.interactivity.modes.bubble.size*ratio);\r\n if(size >= 0){\r\n p.radius_bubble = size;\r\n }\r\n }else{\r\n var dif = p.radius - pJS.interactivity.modes.bubble.size,\r\n size = p.radius - (dif*ratio);\r\n if(size > 0){\r\n p.radius_bubble = size;\r\n }else{\r\n p.radius_bubble = 0;\r\n }\r\n }\r\n\r\n }\r\n\r\n \/* opacity *\/\r\n if(pJS.interactivity.modes.bubble.opacity != pJS.particles.opacity.value){\r\n\r\n if(pJS.interactivity.modes.bubble.opacity > pJS.particles.opacity.value){\r\n var opacity = pJS.interactivity.modes.bubble.opacity*ratio;\r\n if(opacity > p.opacity && opacity <= pJS.interactivity.modes.bubble.opacity){\r\n p.opacity_bubble = opacity;\r\n }\r\n }else{\r\n var opacity = p.opacity - (pJS.particles.opacity.value-pJS.interactivity.modes.bubble.opacity)*ratio;\r\n if(opacity < p.opacity && opacity >= pJS.interactivity.modes.bubble.opacity){\r\n p.opacity_bubble = opacity;\r\n }\r\n }\r\n\r\n }\r\n\r\n }\r\n\r\n }else{\r\n init();\r\n }\r\n\r\n\r\n \/* mouseleave *\/\r\n if(pJS.interactivity.status == 'mouseleave'){\r\n init();\r\n }\r\n \r\n }\r\n\r\n \/* on click event *\/\r\n else if(pJS.interactivity.events.onclick.enable && isInArray('bubble', pJS.interactivity.events.onclick.mode)){\r\n\r\n\r\n if(pJS.tmp.bubble_clicking){\r\n var dx_mouse = p.x - pJS.interactivity.mouse.click_pos_x,\r\n dy_mouse = p.y - pJS.interactivity.mouse.click_pos_y,\r\n dist_mouse = Math.sqrt(dx_mouse*dx_mouse + dy_mouse*dy_mouse),\r\n time_spent = (new Date().getTime() - pJS.interactivity.mouse.click_time)\/1000;\r\n\r\n if(time_spent > pJS.interactivity.modes.bubble.duration){\r\n pJS.tmp.bubble_duration_end = true;\r\n }\r\n\r\n if(time_spent > pJS.interactivity.modes.bubble.duration*2){\r\n pJS.tmp.bubble_clicking = false;\r\n pJS.tmp.bubble_duration_end = false;\r\n }\r\n }\r\n\r\n\r\n function process(bubble_param, particles_param, p_obj_bubble, p_obj, id){\r\n\r\n if(bubble_param != particles_param){\r\n\r\n if(!pJS.tmp.bubble_duration_end){\r\n if(dist_mouse <= pJS.interactivity.modes.bubble.distance){\r\n if(p_obj_bubble != undefined) var obj = p_obj_bubble;\r\n else var obj = p_obj;\r\n if(obj != bubble_param){\r\n var value = p_obj - (time_spent * (p_obj - bubble_param) \/ pJS.interactivity.modes.bubble.duration);\r\n if(id == 'size') p.radius_bubble = value;\r\n if(id == 'opacity') p.opacity_bubble = value;\r\n }\r\n }else{\r\n if(id == 'size') p.radius_bubble = undefined;\r\n if(id == 'opacity') p.opacity_bubble = undefined;\r\n }\r\n }else{\r\n if(p_obj_bubble != undefined){\r\n var value_tmp = p_obj - (time_spent * (p_obj - bubble_param) \/ pJS.interactivity.modes.bubble.duration),\r\n dif = bubble_param - value_tmp;\r\n value = bubble_param + dif;\r\n if(id == 'size') p.radius_bubble = value;\r\n if(id == 'opacity') p.opacity_bubble = value;\r\n }\r\n }\r\n\r\n }\r\n\r\n }\r\n\r\n if(pJS.tmp.bubble_clicking){\r\n \/* size *\/\r\n process(pJS.interactivity.modes.bubble.size, pJS.particles.size.value, p.radius_bubble, p.radius, 'size');\r\n \/* opacity *\/\r\n process(pJS.interactivity.modes.bubble.opacity, pJS.particles.opacity.value, p.opacity_bubble, p.opacity, 'opacity');\r\n }\r\n\r\n }\r\n\r\n };\r\n\r\n\r\n pJS.fn.modes.repulseParticle = function(p){\r\n\r\n if(pJS.interactivity.events.onhover.enable && isInArray('repulse', pJS.interactivity.events.onhover.mode) && pJS.interactivity.status == 'mousemove') {\r\n\r\n var dx_mouse = p.x - pJS.interactivity.mouse.pos_x,\r\n dy_mouse = p.y - pJS.interactivity.mouse.pos_y,\r\n dist_mouse = Math.sqrt(dx_mouse*dx_mouse + dy_mouse*dy_mouse);\r\n\r\n var normVec = {x: dx_mouse\/dist_mouse, y: dy_mouse\/dist_mouse},\r\n repulseRadius = pJS.interactivity.modes.repulse.distance,\r\n velocity = 100,\r\n repulseFactor = clamp((1\/repulseRadius)*(-1*Math.pow(dist_mouse\/repulseRadius,2)+1)*repulseRadius*velocity, 0, 50);\r\n \r\n var pos = {\r\n x: p.x + normVec.x * repulseFactor,\r\n y: p.y + normVec.y * repulseFactor\r\n }\r\n\r\n if(pJS.particles.move.out_mode == 'bounce'){\r\n if(pos.x - p.radius > 0 && pos.x + p.radius < pJS.canvas.w) p.x = pos.x;\r\n if(pos.y - p.radius > 0 && pos.y + p.radius < pJS.canvas.h) p.y = pos.y;\r\n }else{\r\n p.x = pos.x;\r\n p.y = pos.y;\r\n }\r\n \r\n }\r\n\r\n\r\n else if(pJS.interactivity.events.onclick.enable && isInArray('repulse', pJS.interactivity.events.onclick.mode)) {\r\n\r\n if(!pJS.tmp.repulse_finish){\r\n pJS.tmp.repulse_count++;\r\n if(pJS.tmp.repulse_count == pJS.particles.array.length){\r\n pJS.tmp.repulse_finish = true;\r\n }\r\n }\r\n\r\n if(pJS.tmp.repulse_clicking){\r\n\r\n var repulseRadius = Math.pow(pJS.interactivity.modes.repulse.distance\/6, 3);\r\n\r\n var dx = pJS.interactivity.mouse.click_pos_x - p.x,\r\n dy = pJS.interactivity.mouse.click_pos_y - p.y,\r\n d = dx*dx + dy*dy;\r\n\r\n var force = -repulseRadius \/ d * 1;\r\n\r\n function process(){\r\n\r\n var f = Math.atan2(dy,dx);\r\n p.vx = force * Math.cos(f);\r\n p.vy = force * Math.sin(f);\r\n\r\n if(pJS.particles.move.out_mode == 'bounce'){\r\n var pos = {\r\n x: p.x + p.vx,\r\n y: p.y + p.vy\r\n }\r\n if (pos.x + p.radius > pJS.canvas.w) p.vx = -p.vx;\r\n else if (pos.x - p.radius < 0) p.vx = -p.vx;\r\n if (pos.y + p.radius > pJS.canvas.h) p.vy = -p.vy;\r\n else if (pos.y - p.radius < 0) p.vy = -p.vy;\r\n }\r\n\r\n }\r\n\r\n \/\/ default\r\n if(d <= repulseRadius){\r\n process();\r\n }\r\n\r\n \/\/ bang - slow motion mode\r\n \/\/ if(!pJS.tmp.repulse_finish){\r\n \/\/ if(d <= repulseRadius){\r\n \/\/ process();\r\n \/\/ }\r\n \/\/ }else{\r\n \/\/ process();\r\n \/\/ }\r\n \r\n\r\n }else{\r\n\r\n if(pJS.tmp.repulse_clicking == false){\r\n\r\n p.vx = p.vx_i;\r\n p.vy = p.vy_i;\r\n \r\n }\r\n\r\n }\r\n\r\n }\r\n\r\n }\r\n\r\n\r\n pJS.fn.modes.grabParticle = function(p){\r\n\r\n if(pJS.interactivity.events.onhover.enable && pJS.interactivity.status == 'mousemove'){\r\n\r\n var dx_mouse = p.x - pJS.interactivity.mouse.pos_x,\r\n dy_mouse = p.y - pJS.interactivity.mouse.pos_y,\r\n dist_mouse = Math.sqrt(dx_mouse*dx_mouse + dy_mouse*dy_mouse);\r\n\r\n \/* draw a line between the cursor and the particle if the distance between them is under the config distance *\/\r\n if(dist_mouse <= pJS.interactivity.modes.grab.distance){\r\n\r\n var opacity_line = pJS.interactivity.modes.grab.line_linked.opacity - (dist_mouse \/ (1\/pJS.interactivity.modes.grab.line_linked.opacity)) \/ pJS.interactivity.modes.grab.distance;\r\n\r\n if(opacity_line > 0){\r\n\r\n \/* style *\/\r\n var color_line = pJS.particles.line_linked.color_rgb_line;\r\n pJS.canvas.ctx.strokeStyle = 'rgba('+color_line.r+','+color_line.g+','+color_line.b+','+opacity_line+')';\r\n pJS.canvas.ctx.lineWidth = pJS.particles.line_linked.width;\r\n \/\/pJS.canvas.ctx.lineCap = 'round'; \/* performance issue *\/\r\n \r\n \/* path *\/\r\n pJS.canvas.ctx.beginPath();\r\n pJS.canvas.ctx.moveTo(p.x, p.y);\r\n pJS.canvas.ctx.lineTo(pJS.interactivity.mouse.pos_x, pJS.interactivity.mouse.pos_y);\r\n pJS.canvas.ctx.stroke();\r\n pJS.canvas.ctx.closePath();\r\n\r\n }\r\n\r\n }\r\n\r\n }\r\n\r\n };\r\n\r\n\r\n\r\n \/* ---------- pJS functions - vendors ------------ *\/\r\n\r\n pJS.fn.vendors.eventsListeners = function(){\r\n\r\n \/* events target element *\/\r\n if(pJS.interactivity.detect_on == 'window'){\r\n pJS.interactivity.el = window;\r\n }else{\r\n pJS.interactivity.el = pJS.canvas.el;\r\n }\r\n\r\n\r\n \/* detect mouse pos - on hover \/ click event *\/\r\n if(pJS.interactivity.events.onhover.enable || pJS.interactivity.events.onclick.enable){\r\n\r\n \/* el on mousemove *\/\r\n pJS.interactivity.el.addEventListener('mousemove', function(e){\r\n\r\n if(pJS.interactivity.el == window){\r\n var pos_x = e.clientX,\r\n pos_y = e.clientY;\r\n }\r\n else{\r\n var pos_x = e.offsetX || e.clientX,\r\n pos_y = e.offsetY || e.clientY;\r\n }\r\n\r\n pJS.interactivity.mouse.pos_x = pos_x;\r\n pJS.interactivity.mouse.pos_y = pos_y;\r\n\r\n if(pJS.tmp.retina){\r\n pJS.interactivity.mouse.pos_x *= pJS.canvas.pxratio;\r\n pJS.interactivity.mouse.pos_y *= pJS.canvas.pxratio;\r\n }\r\n\r\n pJS.interactivity.status = 'mousemove';\r\n\r\n });\r\n\r\n \/* el on onmouseleave *\/\r\n pJS.interactivity.el.addEventListener('mouseleave', function(e){\r\n\r\n pJS.interactivity.mouse.pos_x = null;\r\n pJS.interactivity.mouse.pos_y = null;\r\n pJS.interactivity.status = 'mouseleave';\r\n\r\n });\r\n\r\n }\r\n\r\n \/* on click event *\/\r\n if(pJS.interactivity.events.onclick.enable){\r\n\r\n pJS.interactivity.el.addEventListener('click', function(){\r\n\r\n pJS.interactivity.mouse.click_pos_x = pJS.interactivity.mouse.pos_x;\r\n pJS.interactivity.mouse.click_pos_y = pJS.interactivity.mouse.pos_y;\r\n pJS.interactivity.mouse.click_time = new Date().getTime();\r\n\r\n if(pJS.interactivity.events.onclick.enable){\r\n\r\n switch(pJS.interactivity.events.onclick.mode){\r\n\r\n case 'push':\r\n if(pJS.particles.move.enable){\r\n pJS.fn.modes.pushParticles(pJS.interactivity.modes.push.particles_nb, pJS.interactivity.mouse);\r\n }else{\r\n if(pJS.interactivity.modes.push.particles_nb == 1){\r\n pJS.fn.modes.pushParticles(pJS.interactivity.modes.push.particles_nb, pJS.interactivity.mouse);\r\n }\r\n else if(pJS.interactivity.modes.push.particles_nb > 1){\r\n pJS.fn.modes.pushParticles(pJS.interactivity.modes.push.particles_nb);\r\n }\r\n }\r\n break;\r\n\r\n case 'remove':\r\n pJS.fn.modes.removeParticles(pJS.interactivity.modes.remove.particles_nb);\r\n break;\r\n\r\n case 'bubble':\r\n pJS.tmp.bubble_clicking = true;\r\n break;\r\n\r\n case 'repulse':\r\n pJS.tmp.repulse_clicking = true;\r\n pJS.tmp.repulse_count = 0;\r\n pJS.tmp.repulse_finish = false;\r\n setTimeout(function(){\r\n pJS.tmp.repulse_clicking = false;\r\n }, pJS.interactivity.modes.repulse.duration*1000)\r\n break;\r\n\r\n }\r\n\r\n }\r\n\r\n });\r\n \r\n }\r\n\r\n\r\n };\r\n\r\n pJS.fn.vendors.densityAutoParticles = function(){\r\n\r\n if(pJS.particles.number.density.enable){\r\n\r\n \/* calc area *\/\r\n var area = pJS.canvas.el.width * pJS.canvas.el.height \/ 1000;\r\n if(pJS.tmp.retina){\r\n area = area\/(pJS.canvas.pxratio*2);\r\n }\r\n\r\n \/* calc number of particles based on density area *\/\r\n var nb_particles = area * pJS.particles.number.value \/ pJS.particles.number.density.value_area;\r\n\r\n \/* add or remove X particles *\/\r\n var missing_particles = pJS.particles.array.length - nb_particles;\r\n if(missing_particles < 0) pJS.fn.modes.pushParticles(Math.abs(missing_particles));\r\n else pJS.fn.modes.removeParticles(missing_particles);\r\n\r\n }\r\n\r\n };\r\n\r\n\r\n pJS.fn.vendors.checkOverlap = function(p1, position){\r\n for(var i = 0; i < pJS.particles.array.length; i++){\r\n var p2 = pJS.particles.array[i];\r\n\r\n var dx = p1.x - p2.x,\r\n dy = p1.y - p2.y,\r\n dist = Math.sqrt(dx*dx + dy*dy);\r\n\r\n if(dist <= p1.radius + p2.radius){\r\n p1.x = position ? position.x : Math.random() * pJS.canvas.w;\r\n p1.y = position ? position.y : Math.random() * pJS.canvas.h;\r\n pJS.fn.vendors.checkOverlap(p1);\r\n }\r\n }\r\n };\r\n\r\n\r\n pJS.fn.vendors.createSvgImg = function(p){\r\n\r\n \/* set color to svg element *\/\r\n var svgXml = pJS.tmp.source_svg,\r\n rgbHex = \/#([0-9A-F]{3,6})\/gi,\r\n coloredSvgXml = svgXml.replace(rgbHex, function (m, r, g, b) {\r\n if(p.color.rgb){\r\n var color_value = 'rgba('+p.color.rgb.r+','+p.color.rgb.g+','+p.color.rgb.b+','+p.opacity+')';\r\n }else{\r\n var color_value = 'hsla('+p.color.hsl.h+','+p.color.hsl.s+'%,'+p.color.hsl.l+'%,'+p.opacity+')';\r\n }\r\n return color_value;\r\n });\r\n\r\n \/* prepare to create img with colored svg *\/\r\n var svg = new Blob([coloredSvgXml], {type: 'image\/svg+xml;charset=utf-8'}),\r\n DOMURL = window.URL || window.webkitURL || window,\r\n url = DOMURL.createObjectURL(svg);\r\n\r\n \/* create particle img obj *\/\r\n var img = new Image();\r\n img.addEventListener('load', function(){\r\n p.img.obj = img;\r\n p.img.loaded = true;\r\n DOMURL.revokeObjectURL(url);\r\n pJS.tmp.count_svg++;\r\n });\r\n img.src = url;\r\n\r\n };\r\n\r\n\r\n pJS.fn.vendors.destroypJS = function(){\r\n cancelAnimationFrame(pJS.fn.drawAnimFrame);\r\n canvas_el.remove();\r\n pJSDom = null;\r\n };\r\n\r\n\r\n pJS.fn.vendors.drawShape = function(c, startX, startY, sideLength, sideCountNumerator, sideCountDenominator){\r\n\r\n \/\/ By Programming Thomas - https:\/\/programmingthomas.wordpress.com\/2013\/04\/03\/n-sided-shapes\/\r\n var sideCount = sideCountNumerator * sideCountDenominator;\r\n var decimalSides = sideCountNumerator \/ sideCountDenominator;\r\n var interiorAngleDegrees = (180 * (decimalSides - 2)) \/ decimalSides;\r\n var interiorAngle = Math.PI - Math.PI * interiorAngleDegrees \/ 180; \/\/ convert to radians\r\n c.save();\r\n c.beginPath();\r\n c.translate(startX, startY);\r\n c.moveTo(0,0);\r\n for (var i = 0; i < sideCount; i++) {\r\n c.lineTo(sideLength,0);\r\n c.translate(sideLength,0);\r\n c.rotate(interiorAngle);\r\n }\r\n \/\/c.stroke();\r\n c.fill();\r\n c.restore();\r\n\r\n };\r\n\r\n pJS.fn.vendors.exportImg = function(){\r\n window.open(pJS.canvas.el.toDataURL('image\/png'), '_blank');\r\n };\r\n\r\n\r\n pJS.fn.vendors.loadImg = function(type){\r\n\r\n pJS.tmp.img_error = undefined;\r\n\r\n if(pJS.particles.shape.image.src != ''){\r\n\r\n if(type == 'svg'){\r\n\r\n var xhr = new XMLHttpRequest();\r\n xhr.open('GET', pJS.particles.shape.image.src);\r\n xhr.onreadystatechange = function (data) {\r\n if(xhr.readyState == 4){\r\n if(xhr.status == 200){\r\n pJS.tmp.source_svg = data.currentTarget.response;\r\n pJS.fn.vendors.checkBeforeDraw();\r\n }else{\r\n console.log('Error pJS - Image not found');\r\n pJS.tmp.img_error = true;\r\n }\r\n }\r\n }\r\n xhr.send();\r\n\r\n }else{\r\n\r\n var img = new Image();\r\n img.addEventListener('load', function(){\r\n pJS.tmp.img_obj = img;\r\n pJS.fn.vendors.checkBeforeDraw();\r\n });\r\n img.src = pJS.particles.shape.image.src;\r\n\r\n }\r\n\r\n }else{\r\n console.log('Error pJS - No image.src');\r\n pJS.tmp.img_error = true;\r\n }\r\n\r\n };\r\n\r\n\r\n pJS.fn.vendors.draw = function(){\r\n\r\n if(pJS.particles.shape.type == 'image'){\r\n\r\n if(pJS.tmp.img_type == 'svg'){\r\n\r\n if(pJS.tmp.count_svg >= pJS.particles.number.value){\r\n pJS.fn.particlesDraw();\r\n if(!pJS.particles.move.enable) cancelRequestAnimFrame(pJS.fn.drawAnimFrame);\r\n else pJS.fn.drawAnimFrame = requestAnimFrame(pJS.fn.vendors.draw);\r\n }else{\r\n \/\/console.log('still loading...');\r\n if(!pJS.tmp.img_error) pJS.fn.drawAnimFrame = requestAnimFrame(pJS.fn.vendors.draw);\r\n }\r\n\r\n }else{\r\n\r\n if(pJS.tmp.img_obj != undefined){\r\n pJS.fn.particlesDraw();\r\n if(!pJS.particles.move.enable) cancelRequestAnimFrame(pJS.fn.drawAnimFrame);\r\n else pJS.fn.drawAnimFrame = requestAnimFrame(pJS.fn.vendors.draw);\r\n }else{\r\n if(!pJS.tmp.img_error) pJS.fn.drawAnimFrame = requestAnimFrame(pJS.fn.vendors.draw);\r\n }\r\n\r\n }\r\n\r\n }else{\r\n pJS.fn.particlesDraw();\r\n if(!pJS.particles.move.enable) cancelRequestAnimFrame(pJS.fn.drawAnimFrame);\r\n else pJS.fn.drawAnimFrame = requestAnimFrame(pJS.fn.vendors.draw);\r\n }\r\n\r\n };\r\n\r\n\r\n pJS.fn.vendors.checkBeforeDraw = function(){\r\n\r\n \/\/ if shape is image\r\n if(pJS.particles.shape.type == 'image'){\r\n\r\n if(pJS.tmp.img_type == 'svg' && pJS.tmp.source_svg == undefined){\r\n pJS.tmp.checkAnimFrame = requestAnimFrame(check);\r\n }else{\r\n \/\/console.log('images loaded! cancel check');\r\n cancelRequestAnimFrame(pJS.tmp.checkAnimFrame);\r\n if(!pJS.tmp.img_error){\r\n pJS.fn.vendors.init();\r\n pJS.fn.vendors.draw();\r\n }\r\n \r\n }\r\n\r\n }else{\r\n pJS.fn.vendors.init();\r\n pJS.fn.vendors.draw();\r\n }\r\n\r\n };\r\n\r\n\r\n pJS.fn.vendors.init = function(){\r\n\r\n \/* init canvas + particles *\/\r\n pJS.fn.retinaInit();\r\n pJS.fn.canvasInit();\r\n pJS.fn.canvasSize();\r\n pJS.fn.canvasPaint();\r\n pJS.fn.particlesCreate();\r\n pJS.fn.vendors.densityAutoParticles();\r\n\r\n \/* particles.line_linked - convert hex colors to rgb *\/\r\n pJS.particles.line_linked.color_rgb_line = hexToRgb(pJS.particles.line_linked.color);\r\n\r\n };\r\n\r\n\r\n pJS.fn.vendors.start = function(){\r\n\r\n if(isInArray('image', pJS.particles.shape.type)){\r\n pJS.tmp.img_type = pJS.particles.shape.image.src.substr(pJS.particles.shape.image.src.length - 3);\r\n pJS.fn.vendors.loadImg(pJS.tmp.img_type);\r\n }else{\r\n pJS.fn.vendors.checkBeforeDraw();\r\n }\r\n\r\n };\r\n\r\n\r\n\r\n\r\n \/* ---------- pJS - start ------------ *\/\r\n\r\n\r\n pJS.fn.vendors.eventsListeners();\r\n\r\n pJS.fn.vendors.start();\r\n \r\n\r\n\r\n};\r\n\r\n\/* ---------- global functions - vendors ------------ *\/\r\n\r\nObject.deepExtend = function(destination, source) {\r\n for (var property in source) {\r\n if (source[property] && source[property].constructor &&\r\n source[property].constructor === Object) {\r\n destination[property] = destination[property] || {};\r\n arguments.callee(destination[property], source[property]);\r\n } else {\r\n destination[property] = source[property];\r\n }\r\n }\r\n return destination;\r\n};\r\n\r\nwindow.requestAnimFrame = (function(){\r\n return window.requestAnimationFrame ||\r\n window.webkitRequestAnimationFrame ||\r\n window.mozRequestAnimationFrame ||\r\n window.oRequestAnimationFrame ||\r\n window.msRequestAnimationFrame ||\r\n function(callback){\r\n window.setTimeout(callback, 1000 \/ 60);\r\n };\r\n})();\r\n\r\nwindow.cancelRequestAnimFrame = ( function() {\r\n return window.cancelAnimationFrame ||\r\n window.webkitCancelRequestAnimationFrame ||\r\n window.mozCancelRequestAnimationFrame ||\r\n window.oCancelRequestAnimationFrame ||\r\n window.msCancelRequestAnimationFrame ||\r\n clearTimeout\r\n} )();\r\n\r\nfunction hexToRgb(hex){\r\n \/\/ By Tim Down - http:\/\/stackoverflow.com\/a\/5624139\/3493650\r\n \/\/ Expand shorthand form (e.g. \"03F\") to full form (e.g. \"0033FF\")\r\n var shorthandRegex = \/^#?([a-f\\d])([a-f\\d])([a-f\\d])$\/i;\r\n hex = hex.replace(shorthandRegex, function(m, r, g, b) {\r\n return r + r + g + g + b + b;\r\n });\r\n var result = \/^#?([a-f\\d]{2})([a-f\\d]{2})([a-f\\d]{2})$\/i.exec(hex);\r\n return result ? {\r\n r: parseInt(result[1], 16),\r\n g: parseInt(result[2], 16),\r\n b: parseInt(result[3], 16)\r\n } : null;\r\n};\r\n\r\nfunction clamp(number, min, max) {\r\n return Math.min(Math.max(number, min), max);\r\n};\r\n\r\nfunction isInArray(value, array) {\r\n return array.indexOf(value) > -1;\r\n}\r\n\r\n\r\n\/* ---------- particles.js functions - start ------------ *\/\r\n\r\nwindow.pJSDom = [];\r\n\r\nwindow.particlesJS = function(tag_id, params){\r\n\r\n \/\/console.log(params);\r\n\r\n \/* no string id? so it's object params, and set the id with default id *\/\r\n if(typeof(tag_id) != 'string'){\r\n params = tag_id;\r\n tag_id = 'particles-js';\r\n }\r\n\r\n \/* no id? set the id to default id *\/\r\n if(!tag_id){\r\n tag_id = 'particles-js';\r\n }\r\n\r\n \/* pJS elements *\/\r\n var pJS_tag = document.getElementById(tag_id),\r\n pJS_canvas_class = 'particles-js-canvas-el',\r\n exist_canvas = pJS_tag.getElementsByClassName(pJS_canvas_class);\r\n\r\n \/* remove canvas if exists into the pJS target tag *\/\r\n if(exist_canvas.length){\r\n while(exist_canvas.length > 0){\r\n pJS_tag.removeChild(exist_canvas[0]);\r\n }\r\n }\r\n\r\n \/* create canvas element *\/\r\n var canvas_el = document.createElement('canvas');\r\n canvas_el.className = pJS_canvas_class;\r\n\r\n \/* set size canvas *\/\r\n canvas_el.style.width = \"100%\";\r\n canvas_el.style.height = \"100%\";\r\n\r\n \/* append canvas *\/\r\n var canvas = document.getElementById(tag_id).appendChild(canvas_el);\r\n\r\n \/* launch particle.js *\/\r\n if(canvas != null){\r\n pJSDom.push(new pJS(tag_id, params));\r\n }\r\n\r\n};\r\n\r\nwindow.particlesJS.load = function(tag_id, path_config_json, callback){\r\n\r\n \/* load json config *\/\r\n var xhr = new XMLHttpRequest();\r\n xhr.open('GET', path_config_json);\r\n xhr.onreadystatechange = function (data) {\r\n if(xhr.readyState == 4){\r\n if(xhr.status == 200){\r\n var params = JSON.parse(data.currentTarget.response);\r\n window.particlesJS(tag_id, params);\r\n if(callback) callback();\r\n }else{\r\n console.log('Error pJS - XMLHttpRequest status: '+xhr.status);\r\n console.log('Error pJS - File config not found');\r\n }\r\n }\r\n };\r\n xhr.send();\r\n\r\n};","output_location":"head_end"}

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