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Lianaevans (Talk | contribs) m (Added in particles.js script) |
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} | } | ||
+ | //Here is the longggg particles.js script (if you scroll to the bottom, you can see the actual controls) | ||
+ | |||
+ | /* Author : Vincent Garreau - vincentgarreau.com | ||
+ | /* MIT license: http://opensource.org/licenses/MIT | ||
+ | /* Demo / Generator : vincentgarreau.com/particles.js | ||
+ | /* GitHub : github.com/VincentGarreau/particles.js | ||
+ | /* How to use? : Check the GitHub README | ||
+ | /* v2.0.0 | ||
+ | /* ----------------------------------------------- */ | ||
+ | |||
+ | var pJS = function(tag_id, params){ | ||
+ | |||
+ | var canvas_el = document.querySelector('#'+tag_id+' > .particles-js-canvas-el'); | ||
+ | |||
+ | /* particles.js variables with default values */ | ||
+ | this.pJS = { | ||
+ | canvas: { | ||
+ | el: canvas_el, | ||
+ | w: canvas_el.offsetWidth, | ||
+ | h: canvas_el.offsetHeight | ||
+ | }, | ||
+ | particles: { | ||
+ | number: { | ||
+ | value: 400, | ||
+ | density: { | ||
+ | enable: true, | ||
+ | value_area: 800 | ||
+ | } | ||
+ | }, | ||
+ | color: { | ||
+ | value: '#fff' | ||
+ | }, | ||
+ | shape: { | ||
+ | type: 'circle', | ||
+ | stroke: { | ||
+ | width: 0, | ||
+ | color: '#ff0000' | ||
+ | }, | ||
+ | polygon: { | ||
+ | nb_sides: 5 | ||
+ | }, | ||
+ | image: { | ||
+ | src: '', | ||
+ | width: 100, | ||
+ | height: 100 | ||
+ | } | ||
+ | }, | ||
+ | opacity: { | ||
+ | value: 1, | ||
+ | random: false, | ||
+ | anim: { | ||
+ | enable: false, | ||
+ | speed: 2, | ||
+ | opacity_min: 0, | ||
+ | sync: false | ||
+ | } | ||
+ | }, | ||
+ | size: { | ||
+ | value: 20, | ||
+ | random: false, | ||
+ | anim: { | ||
+ | enable: false, | ||
+ | speed: 20, | ||
+ | size_min: 0, | ||
+ | sync: false | ||
+ | } | ||
+ | }, | ||
+ | line_linked: { | ||
+ | enable: true, | ||
+ | distance: 100, | ||
+ | color: '#fff', | ||
+ | opacity: 1, | ||
+ | width: 1 | ||
+ | }, | ||
+ | move: { | ||
+ | enable: true, | ||
+ | speed: 2, | ||
+ | direction: 'none', | ||
+ | random: false, | ||
+ | straight: false, | ||
+ | out_mode: 'out', | ||
+ | bounce: false, | ||
+ | attract: { | ||
+ | enable: false, | ||
+ | rotateX: 3000, | ||
+ | rotateY: 3000 | ||
+ | } | ||
+ | }, | ||
+ | array: [] | ||
+ | }, | ||
+ | interactivity: { | ||
+ | detect_on: 'canvas', | ||
+ | events: { | ||
+ | onhover: { | ||
+ | enable: true, | ||
+ | mode: 'grab' | ||
+ | }, | ||
+ | onclick: { | ||
+ | enable: true, | ||
+ | mode: 'push' | ||
+ | }, | ||
+ | resize: true | ||
+ | }, | ||
+ | modes: { | ||
+ | grab:{ | ||
+ | distance: 100, | ||
+ | line_linked:{ | ||
+ | opacity: 1 | ||
+ | } | ||
+ | }, | ||
+ | bubble:{ | ||
+ | distance: 200, | ||
+ | size: 80, | ||
+ | duration: 0.4 | ||
+ | }, | ||
+ | repulse:{ | ||
+ | distance: 200, | ||
+ | duration: 0.4 | ||
+ | }, | ||
+ | push:{ | ||
+ | particles_nb: 4 | ||
+ | }, | ||
+ | remove:{ | ||
+ | particles_nb: 2 | ||
+ | } | ||
+ | }, | ||
+ | mouse:{} | ||
+ | }, | ||
+ | retina_detect: false, | ||
+ | fn: { | ||
+ | interact: {}, | ||
+ | modes: {}, | ||
+ | vendors:{} | ||
+ | }, | ||
+ | tmp: {} | ||
+ | }; | ||
+ | |||
+ | var pJS = this.pJS; | ||
+ | |||
+ | /* params settings */ | ||
+ | if(params){ | ||
+ | Object.deepExtend(pJS, params); | ||
+ | } | ||
+ | |||
+ | pJS.tmp.obj = { | ||
+ | size_value: pJS.particles.size.value, | ||
+ | size_anim_speed: pJS.particles.size.anim.speed, | ||
+ | move_speed: pJS.particles.move.speed, | ||
+ | line_linked_distance: pJS.particles.line_linked.distance, | ||
+ | line_linked_width: pJS.particles.line_linked.width, | ||
+ | mode_grab_distance: pJS.interactivity.modes.grab.distance, | ||
+ | mode_bubble_distance: pJS.interactivity.modes.bubble.distance, | ||
+ | mode_bubble_size: pJS.interactivity.modes.bubble.size, | ||
+ | mode_repulse_distance: pJS.interactivity.modes.repulse.distance | ||
+ | }; | ||
+ | |||
+ | |||
+ | pJS.fn.retinaInit = function(){ | ||
+ | |||
+ | if(pJS.retina_detect && window.devicePixelRatio > 1){ | ||
+ | pJS.canvas.pxratio = window.devicePixelRatio; | ||
+ | pJS.tmp.retina = true; | ||
+ | } | ||
+ | else{ | ||
+ | pJS.canvas.pxratio = 1; | ||
+ | pJS.tmp.retina = false; | ||
+ | } | ||
+ | |||
+ | pJS.canvas.w = pJS.canvas.el.offsetWidth * pJS.canvas.pxratio; | ||
+ | pJS.canvas.h = pJS.canvas.el.offsetHeight * pJS.canvas.pxratio; | ||
+ | |||
+ | pJS.particles.size.value = pJS.tmp.obj.size_value * pJS.canvas.pxratio; | ||
+ | pJS.particles.size.anim.speed = pJS.tmp.obj.size_anim_speed * pJS.canvas.pxratio; | ||
+ | pJS.particles.move.speed = pJS.tmp.obj.move_speed * pJS.canvas.pxratio; | ||
+ | pJS.particles.line_linked.distance = pJS.tmp.obj.line_linked_distance * pJS.canvas.pxratio; | ||
+ | pJS.interactivity.modes.grab.distance = pJS.tmp.obj.mode_grab_distance * pJS.canvas.pxratio; | ||
+ | pJS.interactivity.modes.bubble.distance = pJS.tmp.obj.mode_bubble_distance * pJS.canvas.pxratio; | ||
+ | pJS.particles.line_linked.width = pJS.tmp.obj.line_linked_width * pJS.canvas.pxratio; | ||
+ | pJS.interactivity.modes.bubble.size = pJS.tmp.obj.mode_bubble_size * pJS.canvas.pxratio; | ||
+ | pJS.interactivity.modes.repulse.distance = pJS.tmp.obj.mode_repulse_distance * pJS.canvas.pxratio; | ||
+ | |||
+ | }; | ||
+ | |||
+ | |||
+ | |||
+ | /* ---------- pJS functions - canvas ------------ */ | ||
+ | |||
+ | pJS.fn.canvasInit = function(){ | ||
+ | pJS.canvas.ctx = pJS.canvas.el.getContext('2d'); | ||
+ | }; | ||
+ | |||
+ | pJS.fn.canvasSize = function(){ | ||
+ | |||
+ | pJS.canvas.el.width = pJS.canvas.w; | ||
+ | pJS.canvas.el.height = pJS.canvas.h; | ||
+ | |||
+ | if(pJS && pJS.interactivity.events.resize){ | ||
+ | |||
+ | window.addEventListener('resize', function(){ | ||
+ | |||
+ | pJS.canvas.w = pJS.canvas.el.offsetWidth; | ||
+ | pJS.canvas.h = pJS.canvas.el.offsetHeight; | ||
+ | |||
+ | /* resize canvas */ | ||
+ | if(pJS.tmp.retina){ | ||
+ | pJS.canvas.w *= pJS.canvas.pxratio; | ||
+ | pJS.canvas.h *= pJS.canvas.pxratio; | ||
+ | } | ||
+ | |||
+ | pJS.canvas.el.width = pJS.canvas.w; | ||
+ | pJS.canvas.el.height = pJS.canvas.h; | ||
+ | |||
+ | /* repaint canvas on anim disabled */ | ||
+ | if(!pJS.particles.move.enable){ | ||
+ | pJS.fn.particlesEmpty(); | ||
+ | pJS.fn.particlesCreate(); | ||
+ | pJS.fn.particlesDraw(); | ||
+ | pJS.fn.vendors.densityAutoParticles(); | ||
+ | } | ||
+ | |||
+ | /* density particles enabled */ | ||
+ | pJS.fn.vendors.densityAutoParticles(); | ||
+ | |||
+ | }); | ||
+ | |||
+ | } | ||
+ | |||
+ | }; | ||
+ | |||
+ | |||
+ | pJS.fn.canvasPaint = function(){ | ||
+ | pJS.canvas.ctx.fillRect(0, 0, pJS.canvas.w, pJS.canvas.h); | ||
+ | }; | ||
+ | |||
+ | pJS.fn.canvasClear = function(){ | ||
+ | pJS.canvas.ctx.clearRect(0, 0, pJS.canvas.w, pJS.canvas.h); | ||
+ | }; | ||
+ | |||
+ | |||
+ | /* --------- pJS functions - particles ----------- */ | ||
+ | |||
+ | pJS.fn.particle = function(color, opacity, position){ | ||
+ | |||
+ | /* size */ | ||
+ | this.radius = (pJS.particles.size.random ? Math.random() : 1) * pJS.particles.size.value; | ||
+ | if(pJS.particles.size.anim.enable){ | ||
+ | this.size_status = false; | ||
+ | this.vs = pJS.particles.size.anim.speed / 100; | ||
+ | if(!pJS.particles.size.anim.sync){ | ||
+ | this.vs = this.vs * Math.random(); | ||
+ | } | ||
+ | } | ||
+ | |||
+ | /* position */ | ||
+ | this.x = position ? position.x : Math.random() * pJS.canvas.w; | ||
+ | this.y = position ? position.y : Math.random() * pJS.canvas.h; | ||
+ | |||
+ | /* check position - into the canvas */ | ||
+ | if(this.x > pJS.canvas.w - this.radius*2) this.x = this.x - this.radius; | ||
+ | else if(this.x < this.radius*2) this.x = this.x + this.radius; | ||
+ | if(this.y > pJS.canvas.h - this.radius*2) this.y = this.y - this.radius; | ||
+ | else if(this.y < this.radius*2) this.y = this.y + this.radius; | ||
+ | |||
+ | /* check position - avoid overlap */ | ||
+ | if(pJS.particles.move.bounce){ | ||
+ | pJS.fn.vendors.checkOverlap(this, position); | ||
+ | } | ||
+ | |||
+ | /* color */ | ||
+ | this.color = {}; | ||
+ | if(typeof(color.value) == 'object'){ | ||
+ | |||
+ | if(color.value instanceof Array){ | ||
+ | var color_selected = color.value[Math.floor(Math.random() * pJS.particles.color.value.length)]; | ||
+ | this.color.rgb = hexToRgb(color_selected); | ||
+ | }else{ | ||
+ | if(color.value.r != undefined && color.value.g != undefined && color.value.b != undefined){ | ||
+ | this.color.rgb = { | ||
+ | r: color.value.r, | ||
+ | g: color.value.g, | ||
+ | b: color.value.b | ||
+ | } | ||
+ | } | ||
+ | if(color.value.h != undefined && color.value.s != undefined && color.value.l != undefined){ | ||
+ | this.color.hsl = { | ||
+ | h: color.value.h, | ||
+ | s: color.value.s, | ||
+ | l: color.value.l | ||
+ | } | ||
+ | } | ||
+ | } | ||
+ | |||
+ | } | ||
+ | else if(color.value == 'random'){ | ||
+ | this.color.rgb = { | ||
+ | r: (Math.floor(Math.random() * (255 - 0 + 1)) + 0), | ||
+ | g: (Math.floor(Math.random() * (255 - 0 + 1)) + 0), | ||
+ | b: (Math.floor(Math.random() * (255 - 0 + 1)) + 0) | ||
+ | } | ||
+ | } | ||
+ | else if(typeof(color.value) == 'string'){ | ||
+ | this.color = color; | ||
+ | this.color.rgb = hexToRgb(this.color.value); | ||
+ | } | ||
+ | |||
+ | /* opacity */ | ||
+ | this.opacity = (pJS.particles.opacity.random ? Math.random() : 1) * pJS.particles.opacity.value; | ||
+ | if(pJS.particles.opacity.anim.enable){ | ||
+ | this.opacity_status = false; | ||
+ | this.vo = pJS.particles.opacity.anim.speed / 100; | ||
+ | if(!pJS.particles.opacity.anim.sync){ | ||
+ | this.vo = this.vo * Math.random(); | ||
+ | } | ||
+ | } | ||
+ | |||
+ | /* animation - velocity for speed */ | ||
+ | var velbase = {} | ||
+ | switch(pJS.particles.move.direction){ | ||
+ | case 'top': | ||
+ | velbase = { x:0, y:-1 }; | ||
+ | break; | ||
+ | case 'top-right': | ||
+ | velbase = { x:0.5, y:-0.5 }; | ||
+ | break; | ||
+ | case 'right': | ||
+ | velbase = { x:1, y:-0 }; | ||
+ | break; | ||
+ | case 'bottom-right': | ||
+ | velbase = { x:0.5, y:0.5 }; | ||
+ | break; | ||
+ | case 'bottom': | ||
+ | velbase = { x:0, y:1 }; | ||
+ | break; | ||
+ | case 'bottom-left': | ||
+ | velbase = { x:-0.5, y:1 }; | ||
+ | break; | ||
+ | case 'left': | ||
+ | velbase = { x:-1, y:0 }; | ||
+ | break; | ||
+ | case 'top-left': | ||
+ | velbase = { x:-0.5, y:-0.5 }; | ||
+ | break; | ||
+ | default: | ||
+ | velbase = { x:0, y:0 }; | ||
+ | break; | ||
+ | } | ||
+ | |||
+ | if(pJS.particles.move.straight){ | ||
+ | this.vx = velbase.x; | ||
+ | this.vy = velbase.y; | ||
+ | if(pJS.particles.move.random){ | ||
+ | this.vx = this.vx * (Math.random()); | ||
+ | this.vy = this.vy * (Math.random()); | ||
+ | } | ||
+ | }else{ | ||
+ | this.vx = velbase.x + Math.random()-0.5; | ||
+ | this.vy = velbase.y + Math.random()-0.5; | ||
+ | } | ||
+ | |||
+ | // var theta = 2.0 * Math.PI * Math.random(); | ||
+ | // this.vx = Math.cos(theta); | ||
+ | // this.vy = Math.sin(theta); | ||
+ | |||
+ | this.vx_i = this.vx; | ||
+ | this.vy_i = this.vy; | ||
+ | |||
+ | |||
+ | |||
+ | /* if shape is image */ | ||
+ | |||
+ | var shape_type = pJS.particles.shape.type; | ||
+ | if(typeof(shape_type) == 'object'){ | ||
+ | if(shape_type instanceof Array){ | ||
+ | var shape_selected = shape_type[Math.floor(Math.random() * shape_type.length)]; | ||
+ | this.shape = shape_selected; | ||
+ | } | ||
+ | }else{ | ||
+ | this.shape = shape_type; | ||
+ | } | ||
+ | |||
+ | if(this.shape == 'image'){ | ||
+ | var sh = pJS.particles.shape; | ||
+ | this.img = { | ||
+ | src: sh.image.src, | ||
+ | ratio: sh.image.width / sh.image.height | ||
+ | } | ||
+ | if(!this.img.ratio) this.img.ratio = 1; | ||
+ | if(pJS.tmp.img_type == 'svg' && pJS.tmp.source_svg != undefined){ | ||
+ | pJS.fn.vendors.createSvgImg(this); | ||
+ | if(pJS.tmp.pushing){ | ||
+ | this.img.loaded = false; | ||
+ | } | ||
+ | } | ||
+ | } | ||
+ | |||
+ | |||
+ | |||
+ | }; | ||
+ | |||
+ | |||
+ | pJS.fn.particle.prototype.draw = function() { | ||
+ | |||
+ | var p = this; | ||
+ | |||
+ | if(p.radius_bubble != undefined){ | ||
+ | var radius = p.radius_bubble; | ||
+ | }else{ | ||
+ | var radius = p.radius; | ||
+ | } | ||
+ | |||
+ | if(p.opacity_bubble != undefined){ | ||
+ | var opacity = p.opacity_bubble; | ||
+ | }else{ | ||
+ | var opacity = p.opacity; | ||
+ | } | ||
+ | |||
+ | if(p.color.rgb){ | ||
+ | var color_value = 'rgba('+p.color.rgb.r+','+p.color.rgb.g+','+p.color.rgb.b+','+opacity+')'; | ||
+ | }else{ | ||
+ | var color_value = 'hsla('+p.color.hsl.h+','+p.color.hsl.s+'%,'+p.color.hsl.l+'%,'+opacity+')'; | ||
+ | } | ||
+ | |||
+ | pJS.canvas.ctx.fillStyle = color_value; | ||
+ | pJS.canvas.ctx.beginPath(); | ||
+ | |||
+ | switch(p.shape){ | ||
+ | |||
+ | case 'circle': | ||
+ | pJS.canvas.ctx.arc(p.x, p.y, radius, 0, Math.PI * 2, false); | ||
+ | break; | ||
+ | |||
+ | case 'edge': | ||
+ | pJS.canvas.ctx.rect(p.x-radius, p.y-radius, radius*2, radius*2); | ||
+ | break; | ||
+ | |||
+ | case 'triangle': | ||
+ | pJS.fn.vendors.drawShape(pJS.canvas.ctx, p.x-radius, p.y+radius / 1.66, radius*2, 3, 2); | ||
+ | break; | ||
+ | |||
+ | case 'polygon': | ||
+ | pJS.fn.vendors.drawShape( | ||
+ | pJS.canvas.ctx, | ||
+ | p.x - radius / (pJS.particles.shape.polygon.nb_sides/3.5), // startX | ||
+ | p.y - radius / (2.66/3.5), // startY | ||
+ | radius*2.66 / (pJS.particles.shape.polygon.nb_sides/3), // sideLength | ||
+ | pJS.particles.shape.polygon.nb_sides, // sideCountNumerator | ||
+ | 1 // sideCountDenominator | ||
+ | ); | ||
+ | break; | ||
+ | |||
+ | case 'star': | ||
+ | pJS.fn.vendors.drawShape( | ||
+ | pJS.canvas.ctx, | ||
+ | p.x - radius*2 / (pJS.particles.shape.polygon.nb_sides/4), // startX | ||
+ | p.y - radius / (2*2.66/3.5), // startY | ||
+ | radius*2*2.66 / (pJS.particles.shape.polygon.nb_sides/3), // sideLength | ||
+ | pJS.particles.shape.polygon.nb_sides, // sideCountNumerator | ||
+ | 2 // sideCountDenominator | ||
+ | ); | ||
+ | break; | ||
+ | |||
+ | case 'image': | ||
+ | |||
+ | function draw(){ | ||
+ | pJS.canvas.ctx.drawImage( | ||
+ | img_obj, | ||
+ | p.x-radius, | ||
+ | p.y-radius, | ||
+ | radius*2, | ||
+ | radius*2 / p.img.ratio | ||
+ | ); | ||
+ | } | ||
+ | |||
+ | if(pJS.tmp.img_type == 'svg'){ | ||
+ | var img_obj = p.img.obj; | ||
+ | }else{ | ||
+ | var img_obj = pJS.tmp.img_obj; | ||
+ | } | ||
+ | |||
+ | if(img_obj){ | ||
+ | draw(); | ||
+ | } | ||
+ | |||
+ | break; | ||
+ | |||
+ | } | ||
+ | |||
+ | pJS.canvas.ctx.closePath(); | ||
+ | |||
+ | if(pJS.particles.shape.stroke.width > 0){ | ||
+ | pJS.canvas.ctx.strokeStyle = pJS.particles.shape.stroke.color; | ||
+ | pJS.canvas.ctx.lineWidth = pJS.particles.shape.stroke.width; | ||
+ | pJS.canvas.ctx.stroke(); | ||
+ | } | ||
+ | |||
+ | pJS.canvas.ctx.fill(); | ||
+ | |||
+ | }; | ||
+ | |||
+ | |||
+ | pJS.fn.particlesCreate = function(){ | ||
+ | for(var i = 0; i < pJS.particles.number.value; i++) { | ||
+ | pJS.particles.array.push(new pJS.fn.particle(pJS.particles.color, pJS.particles.opacity.value)); | ||
+ | } | ||
+ | }; | ||
+ | |||
+ | pJS.fn.particlesUpdate = function(){ | ||
+ | |||
+ | for(var i = 0; i < pJS.particles.array.length; i++){ | ||
+ | |||
+ | /* the particle */ | ||
+ | var p = pJS.particles.array[i]; | ||
+ | |||
+ | // var d = ( dx = pJS.interactivity.mouse.click_pos_x - p.x ) * dx + ( dy = pJS.interactivity.mouse.click_pos_y - p.y ) * dy; | ||
+ | // var f = -BANG_SIZE / d; | ||
+ | // if ( d < BANG_SIZE ) { | ||
+ | // var t = Math.atan2( dy, dx ); | ||
+ | // p.vx = f * Math.cos(t); | ||
+ | // p.vy = f * Math.sin(t); | ||
+ | // } | ||
+ | |||
+ | /* move the particle */ | ||
+ | if(pJS.particles.move.enable){ | ||
+ | var ms = pJS.particles.move.speed/2; | ||
+ | p.x += p.vx * ms; | ||
+ | p.y += p.vy * ms; | ||
+ | } | ||
+ | |||
+ | /* change opacity status */ | ||
+ | if(pJS.particles.opacity.anim.enable) { | ||
+ | if(p.opacity_status == true) { | ||
+ | if(p.opacity >= pJS.particles.opacity.value) p.opacity_status = false; | ||
+ | p.opacity += p.vo; | ||
+ | }else { | ||
+ | if(p.opacity <= pJS.particles.opacity.anim.opacity_min) p.opacity_status = true; | ||
+ | p.opacity -= p.vo; | ||
+ | } | ||
+ | if(p.opacity < 0) p.opacity = 0; | ||
+ | } | ||
+ | |||
+ | /* change size */ | ||
+ | if(pJS.particles.size.anim.enable){ | ||
+ | if(p.size_status == true){ | ||
+ | if(p.radius >= pJS.particles.size.value) p.size_status = false; | ||
+ | p.radius += p.vs; | ||
+ | }else{ | ||
+ | if(p.radius <= pJS.particles.size.anim.size_min) p.size_status = true; | ||
+ | p.radius -= p.vs; | ||
+ | } | ||
+ | if(p.radius < 0) p.radius = 0; | ||
+ | } | ||
+ | |||
+ | /* change particle position if it is out of canvas */ | ||
+ | if(pJS.particles.move.out_mode == 'bounce'){ | ||
+ | var new_pos = { | ||
+ | x_left: p.radius, | ||
+ | x_right: pJS.canvas.w, | ||
+ | y_top: p.radius, | ||
+ | y_bottom: pJS.canvas.h | ||
+ | } | ||
+ | }else{ | ||
+ | var new_pos = { | ||
+ | x_left: -p.radius, | ||
+ | x_right: pJS.canvas.w + p.radius, | ||
+ | y_top: -p.radius, | ||
+ | y_bottom: pJS.canvas.h + p.radius | ||
+ | } | ||
+ | } | ||
+ | |||
+ | if(p.x - p.radius > pJS.canvas.w){ | ||
+ | p.x = new_pos.x_left; | ||
+ | p.y = Math.random() * pJS.canvas.h; | ||
+ | } | ||
+ | else if(p.x + p.radius < 0){ | ||
+ | p.x = new_pos.x_right; | ||
+ | p.y = Math.random() * pJS.canvas.h; | ||
+ | } | ||
+ | if(p.y - p.radius > pJS.canvas.h){ | ||
+ | p.y = new_pos.y_top; | ||
+ | p.x = Math.random() * pJS.canvas.w; | ||
+ | } | ||
+ | else if(p.y + p.radius < 0){ | ||
+ | p.y = new_pos.y_bottom; | ||
+ | p.x = Math.random() * pJS.canvas.w; | ||
+ | } | ||
+ | |||
+ | /* out of canvas modes */ | ||
+ | switch(pJS.particles.move.out_mode){ | ||
+ | case 'bounce': | ||
+ | if (p.x + p.radius > pJS.canvas.w) p.vx = -p.vx; | ||
+ | else if (p.x - p.radius < 0) p.vx = -p.vx; | ||
+ | if (p.y + p.radius > pJS.canvas.h) p.vy = -p.vy; | ||
+ | else if (p.y - p.radius < 0) p.vy = -p.vy; | ||
+ | break; | ||
+ | } | ||
+ | |||
+ | /* events */ | ||
+ | if(isInArray('grab', pJS.interactivity.events.onhover.mode)){ | ||
+ | pJS.fn.modes.grabParticle(p); | ||
+ | } | ||
+ | |||
+ | if(isInArray('bubble', pJS.interactivity.events.onhover.mode) || isInArray('bubble', pJS.interactivity.events.onclick.mode)){ | ||
+ | pJS.fn.modes.bubbleParticle(p); | ||
+ | } | ||
+ | |||
+ | if(isInArray('repulse', pJS.interactivity.events.onhover.mode) || isInArray('repulse', pJS.interactivity.events.onclick.mode)){ | ||
+ | pJS.fn.modes.repulseParticle(p); | ||
+ | } | ||
+ | |||
+ | /* interaction auto between particles */ | ||
+ | if(pJS.particles.line_linked.enable || pJS.particles.move.attract.enable){ | ||
+ | for(var j = i + 1; j < pJS.particles.array.length; j++){ | ||
+ | var p2 = pJS.particles.array[j]; | ||
+ | |||
+ | /* link particles */ | ||
+ | if(pJS.particles.line_linked.enable){ | ||
+ | pJS.fn.interact.linkParticles(p,p2); | ||
+ | } | ||
+ | |||
+ | /* attract particles */ | ||
+ | if(pJS.particles.move.attract.enable){ | ||
+ | pJS.fn.interact.attractParticles(p,p2); | ||
+ | } | ||
+ | |||
+ | /* bounce particles */ | ||
+ | if(pJS.particles.move.bounce){ | ||
+ | pJS.fn.interact.bounceParticles(p,p2); | ||
+ | } | ||
+ | |||
+ | } | ||
+ | } | ||
+ | |||
+ | |||
+ | } | ||
+ | |||
+ | }; | ||
+ | |||
+ | pJS.fn.particlesDraw = function(){ | ||
+ | |||
+ | /* clear canvas */ | ||
+ | pJS.canvas.ctx.clearRect(0, 0, pJS.canvas.w, pJS.canvas.h); | ||
+ | |||
+ | /* update each particles param */ | ||
+ | pJS.fn.particlesUpdate(); | ||
+ | |||
+ | /* draw each particle */ | ||
+ | for(var i = 0; i < pJS.particles.array.length; i++){ | ||
+ | var p = pJS.particles.array[i]; | ||
+ | p.draw(); | ||
+ | } | ||
+ | |||
+ | }; | ||
+ | |||
+ | pJS.fn.particlesEmpty = function(){ | ||
+ | pJS.particles.array = []; | ||
+ | }; | ||
+ | |||
+ | pJS.fn.particlesRefresh = function(){ | ||
+ | |||
+ | /* init all */ | ||
+ | cancelRequestAnimFrame(pJS.fn.checkAnimFrame); | ||
+ | cancelRequestAnimFrame(pJS.fn.drawAnimFrame); | ||
+ | pJS.tmp.source_svg = undefined; | ||
+ | pJS.tmp.img_obj = undefined; | ||
+ | pJS.tmp.count_svg = 0; | ||
+ | pJS.fn.particlesEmpty(); | ||
+ | pJS.fn.canvasClear(); | ||
+ | |||
+ | /* restart */ | ||
+ | pJS.fn.vendors.start(); | ||
+ | |||
+ | }; | ||
+ | |||
+ | |||
+ | /* ---------- pJS functions - particles interaction ------------ */ | ||
+ | |||
+ | pJS.fn.interact.linkParticles = function(p1, p2){ | ||
+ | |||
+ | var dx = p1.x - p2.x, | ||
+ | dy = p1.y - p2.y, | ||
+ | dist = Math.sqrt(dx*dx + dy*dy); | ||
+ | |||
+ | /* draw a line between p1 and p2 if the distance between them is under the config distance */ | ||
+ | if(dist <= pJS.particles.line_linked.distance){ | ||
+ | |||
+ | var opacity_line = pJS.particles.line_linked.opacity - (dist / (1/pJS.particles.line_linked.opacity)) / pJS.particles.line_linked.distance; | ||
+ | |||
+ | if(opacity_line > 0){ | ||
+ | |||
+ | /* style */ | ||
+ | var color_line = pJS.particles.line_linked.color_rgb_line; | ||
+ | pJS.canvas.ctx.strokeStyle = 'rgba('+color_line.r+','+color_line.g+','+color_line.b+','+opacity_line+')'; | ||
+ | pJS.canvas.ctx.lineWidth = pJS.particles.line_linked.width; | ||
+ | //pJS.canvas.ctx.lineCap = 'round'; /* performance issue */ | ||
+ | |||
+ | /* path */ | ||
+ | pJS.canvas.ctx.beginPath(); | ||
+ | pJS.canvas.ctx.moveTo(p1.x, p1.y); | ||
+ | pJS.canvas.ctx.lineTo(p2.x, p2.y); | ||
+ | pJS.canvas.ctx.stroke(); | ||
+ | pJS.canvas.ctx.closePath(); | ||
+ | |||
+ | } | ||
+ | |||
+ | } | ||
+ | |||
+ | }; | ||
+ | |||
+ | |||
+ | pJS.fn.interact.attractParticles = function(p1, p2){ | ||
+ | |||
+ | /* condensed particles */ | ||
+ | var dx = p1.x - p2.x, | ||
+ | dy = p1.y - p2.y, | ||
+ | dist = Math.sqrt(dx*dx + dy*dy); | ||
+ | |||
+ | if(dist <= pJS.particles.line_linked.distance){ | ||
+ | |||
+ | var ax = dx/(pJS.particles.move.attract.rotateX*1000), | ||
+ | ay = dy/(pJS.particles.move.attract.rotateY*1000); | ||
+ | |||
+ | p1.vx -= ax; | ||
+ | p1.vy -= ay; | ||
+ | |||
+ | p2.vx += ax; | ||
+ | p2.vy += ay; | ||
+ | |||
+ | } | ||
+ | |||
+ | |||
+ | } | ||
+ | |||
+ | |||
+ | pJS.fn.interact.bounceParticles = function(p1, p2){ | ||
+ | |||
+ | var dx = p1.x - p2.x, | ||
+ | dy = p1.y - p2.y, | ||
+ | dist = Math.sqrt(dx*dx + dy*dy), | ||
+ | dist_p = p1.radius+p2.radius; | ||
+ | |||
+ | if(dist <= dist_p){ | ||
+ | p1.vx = -p1.vx; | ||
+ | p1.vy = -p1.vy; | ||
+ | |||
+ | p2.vx = -p2.vx; | ||
+ | p2.vy = -p2.vy; | ||
+ | } | ||
+ | |||
+ | } | ||
+ | |||
+ | |||
+ | /* ---------- pJS functions - modes events ------------ */ | ||
+ | |||
+ | pJS.fn.modes.pushParticles = function(nb, pos){ | ||
+ | |||
+ | pJS.tmp.pushing = true; | ||
+ | |||
+ | for(var i = 0; i < nb; i++){ | ||
+ | pJS.particles.array.push( | ||
+ | new pJS.fn.particle( | ||
+ | pJS.particles.color, | ||
+ | pJS.particles.opacity.value, | ||
+ | { | ||
+ | 'x': pos ? pos.pos_x : Math.random() * pJS.canvas.w, | ||
+ | 'y': pos ? pos.pos_y : Math.random() * pJS.canvas.h | ||
+ | } | ||
+ | ) | ||
+ | ) | ||
+ | if(i == nb-1){ | ||
+ | if(!pJS.particles.move.enable){ | ||
+ | pJS.fn.particlesDraw(); | ||
+ | } | ||
+ | pJS.tmp.pushing = false; | ||
+ | } | ||
+ | } | ||
+ | |||
+ | }; | ||
+ | |||
+ | |||
+ | pJS.fn.modes.removeParticles = function(nb){ | ||
+ | |||
+ | pJS.particles.array.splice(0, nb); | ||
+ | if(!pJS.particles.move.enable){ | ||
+ | pJS.fn.particlesDraw(); | ||
+ | } | ||
+ | |||
+ | }; | ||
+ | |||
+ | |||
+ | pJS.fn.modes.bubbleParticle = function(p){ | ||
+ | |||
+ | /* on hover event */ | ||
+ | if(pJS.interactivity.events.onhover.enable && isInArray('bubble', pJS.interactivity.events.onhover.mode)){ | ||
+ | |||
+ | var dx_mouse = p.x - pJS.interactivity.mouse.pos_x, | ||
+ | dy_mouse = p.y - pJS.interactivity.mouse.pos_y, | ||
+ | dist_mouse = Math.sqrt(dx_mouse*dx_mouse + dy_mouse*dy_mouse), | ||
+ | ratio = 1 - dist_mouse / pJS.interactivity.modes.bubble.distance; | ||
+ | |||
+ | function init(){ | ||
+ | p.opacity_bubble = p.opacity; | ||
+ | p.radius_bubble = p.radius; | ||
+ | } | ||
+ | |||
+ | /* mousemove - check ratio */ | ||
+ | if(dist_mouse <= pJS.interactivity.modes.bubble.distance){ | ||
+ | |||
+ | if(ratio >= 0 && pJS.interactivity.status == 'mousemove'){ | ||
+ | |||
+ | /* size */ | ||
+ | if(pJS.interactivity.modes.bubble.size != pJS.particles.size.value){ | ||
+ | |||
+ | if(pJS.interactivity.modes.bubble.size > pJS.particles.size.value){ | ||
+ | var size = p.radius + (pJS.interactivity.modes.bubble.size*ratio); | ||
+ | if(size >= 0){ | ||
+ | p.radius_bubble = size; | ||
+ | } | ||
+ | }else{ | ||
+ | var dif = p.radius - pJS.interactivity.modes.bubble.size, | ||
+ | size = p.radius - (dif*ratio); | ||
+ | if(size > 0){ | ||
+ | p.radius_bubble = size; | ||
+ | }else{ | ||
+ | p.radius_bubble = 0; | ||
+ | } | ||
+ | } | ||
+ | |||
+ | } | ||
+ | |||
+ | /* opacity */ | ||
+ | if(pJS.interactivity.modes.bubble.opacity != pJS.particles.opacity.value){ | ||
+ | |||
+ | if(pJS.interactivity.modes.bubble.opacity > pJS.particles.opacity.value){ | ||
+ | var opacity = pJS.interactivity.modes.bubble.opacity*ratio; | ||
+ | if(opacity > p.opacity && opacity <= pJS.interactivity.modes.bubble.opacity){ | ||
+ | p.opacity_bubble = opacity; | ||
+ | } | ||
+ | }else{ | ||
+ | var opacity = p.opacity - (pJS.particles.opacity.value-pJS.interactivity.modes.bubble.opacity)*ratio; | ||
+ | if(opacity < p.opacity && opacity >= pJS.interactivity.modes.bubble.opacity){ | ||
+ | p.opacity_bubble = opacity; | ||
+ | } | ||
+ | } | ||
+ | |||
+ | } | ||
+ | |||
+ | } | ||
+ | |||
+ | }else{ | ||
+ | init(); | ||
+ | } | ||
+ | |||
+ | |||
+ | /* mouseleave */ | ||
+ | if(pJS.interactivity.status == 'mouseleave'){ | ||
+ | init(); | ||
+ | } | ||
+ | |||
+ | } | ||
+ | |||
+ | /* on click event */ | ||
+ | else if(pJS.interactivity.events.onclick.enable && isInArray('bubble', pJS.interactivity.events.onclick.mode)){ | ||
+ | |||
+ | |||
+ | if(pJS.tmp.bubble_clicking){ | ||
+ | var dx_mouse = p.x - pJS.interactivity.mouse.click_pos_x, | ||
+ | dy_mouse = p.y - pJS.interactivity.mouse.click_pos_y, | ||
+ | dist_mouse = Math.sqrt(dx_mouse*dx_mouse + dy_mouse*dy_mouse), | ||
+ | time_spent = (new Date().getTime() - pJS.interactivity.mouse.click_time)/1000; | ||
+ | |||
+ | if(time_spent > pJS.interactivity.modes.bubble.duration){ | ||
+ | pJS.tmp.bubble_duration_end = true; | ||
+ | } | ||
+ | |||
+ | if(time_spent > pJS.interactivity.modes.bubble.duration*2){ | ||
+ | pJS.tmp.bubble_clicking = false; | ||
+ | pJS.tmp.bubble_duration_end = false; | ||
+ | } | ||
+ | } | ||
+ | |||
+ | |||
+ | function process(bubble_param, particles_param, p_obj_bubble, p_obj, id){ | ||
+ | |||
+ | if(bubble_param != particles_param){ | ||
+ | |||
+ | if(!pJS.tmp.bubble_duration_end){ | ||
+ | if(dist_mouse <= pJS.interactivity.modes.bubble.distance){ | ||
+ | if(p_obj_bubble != undefined) var obj = p_obj_bubble; | ||
+ | else var obj = p_obj; | ||
+ | if(obj != bubble_param){ | ||
+ | var value = p_obj - (time_spent * (p_obj - bubble_param) / pJS.interactivity.modes.bubble.duration); | ||
+ | if(id == 'size') p.radius_bubble = value; | ||
+ | if(id == 'opacity') p.opacity_bubble = value; | ||
+ | } | ||
+ | }else{ | ||
+ | if(id == 'size') p.radius_bubble = undefined; | ||
+ | if(id == 'opacity') p.opacity_bubble = undefined; | ||
+ | } | ||
+ | }else{ | ||
+ | if(p_obj_bubble != undefined){ | ||
+ | var value_tmp = p_obj - (time_spent * (p_obj - bubble_param) / pJS.interactivity.modes.bubble.duration), | ||
+ | dif = bubble_param - value_tmp; | ||
+ | value = bubble_param + dif; | ||
+ | if(id == 'size') p.radius_bubble = value; | ||
+ | if(id == 'opacity') p.opacity_bubble = value; | ||
+ | } | ||
+ | } | ||
+ | |||
+ | } | ||
+ | |||
+ | } | ||
+ | |||
+ | if(pJS.tmp.bubble_clicking){ | ||
+ | /* size */ | ||
+ | process(pJS.interactivity.modes.bubble.size, pJS.particles.size.value, p.radius_bubble, p.radius, 'size'); | ||
+ | /* opacity */ | ||
+ | process(pJS.interactivity.modes.bubble.opacity, pJS.particles.opacity.value, p.opacity_bubble, p.opacity, 'opacity'); | ||
+ | } | ||
+ | |||
+ | } | ||
+ | |||
+ | }; | ||
+ | |||
+ | |||
+ | pJS.fn.modes.repulseParticle = function(p){ | ||
+ | |||
+ | if(pJS.interactivity.events.onhover.enable && isInArray('repulse', pJS.interactivity.events.onhover.mode) && pJS.interactivity.status == 'mousemove') { | ||
+ | |||
+ | var dx_mouse = p.x - pJS.interactivity.mouse.pos_x, | ||
+ | dy_mouse = p.y - pJS.interactivity.mouse.pos_y, | ||
+ | dist_mouse = Math.sqrt(dx_mouse*dx_mouse + dy_mouse*dy_mouse); | ||
+ | |||
+ | var normVec = {x: dx_mouse/dist_mouse, y: dy_mouse/dist_mouse}, | ||
+ | repulseRadius = pJS.interactivity.modes.repulse.distance, | ||
+ | velocity = 100, | ||
+ | repulseFactor = clamp((1/repulseRadius)*(-1*Math.pow(dist_mouse/repulseRadius,2)+1)*repulseRadius*velocity, 0, 50); | ||
+ | |||
+ | var pos = { | ||
+ | x: p.x + normVec.x * repulseFactor, | ||
+ | y: p.y + normVec.y * repulseFactor | ||
+ | } | ||
+ | |||
+ | if(pJS.particles.move.out_mode == 'bounce'){ | ||
+ | if(pos.x - p.radius > 0 && pos.x + p.radius < pJS.canvas.w) p.x = pos.x; | ||
+ | if(pos.y - p.radius > 0 && pos.y + p.radius < pJS.canvas.h) p.y = pos.y; | ||
+ | }else{ | ||
+ | p.x = pos.x; | ||
+ | p.y = pos.y; | ||
+ | } | ||
+ | |||
+ | } | ||
+ | |||
+ | |||
+ | else if(pJS.interactivity.events.onclick.enable && isInArray('repulse', pJS.interactivity.events.onclick.mode)) { | ||
+ | |||
+ | if(!pJS.tmp.repulse_finish){ | ||
+ | pJS.tmp.repulse_count++; | ||
+ | if(pJS.tmp.repulse_count == pJS.particles.array.length){ | ||
+ | pJS.tmp.repulse_finish = true; | ||
+ | } | ||
+ | } | ||
+ | |||
+ | if(pJS.tmp.repulse_clicking){ | ||
+ | |||
+ | var repulseRadius = Math.pow(pJS.interactivity.modes.repulse.distance/6, 3); | ||
+ | |||
+ | var dx = pJS.interactivity.mouse.click_pos_x - p.x, | ||
+ | dy = pJS.interactivity.mouse.click_pos_y - p.y, | ||
+ | d = dx*dx + dy*dy; | ||
+ | |||
+ | var force = -repulseRadius / d * 1; | ||
+ | |||
+ | function process(){ | ||
+ | |||
+ | var f = Math.atan2(dy,dx); | ||
+ | p.vx = force * Math.cos(f); | ||
+ | p.vy = force * Math.sin(f); | ||
+ | |||
+ | if(pJS.particles.move.out_mode == 'bounce'){ | ||
+ | var pos = { | ||
+ | x: p.x + p.vx, | ||
+ | y: p.y + p.vy | ||
+ | } | ||
+ | if (pos.x + p.radius > pJS.canvas.w) p.vx = -p.vx; | ||
+ | else if (pos.x - p.radius < 0) p.vx = -p.vx; | ||
+ | if (pos.y + p.radius > pJS.canvas.h) p.vy = -p.vy; | ||
+ | else if (pos.y - p.radius < 0) p.vy = -p.vy; | ||
+ | } | ||
+ | |||
+ | } | ||
+ | |||
+ | // default | ||
+ | if(d <= repulseRadius){ | ||
+ | process(); | ||
+ | } | ||
+ | |||
+ | // bang - slow motion mode | ||
+ | // if(!pJS.tmp.repulse_finish){ | ||
+ | // if(d <= repulseRadius){ | ||
+ | // process(); | ||
+ | // } | ||
+ | // }else{ | ||
+ | // process(); | ||
+ | // } | ||
+ | |||
+ | |||
+ | }else{ | ||
+ | |||
+ | if(pJS.tmp.repulse_clicking == false){ | ||
+ | |||
+ | p.vx = p.vx_i; | ||
+ | p.vy = p.vy_i; | ||
+ | |||
+ | } | ||
+ | |||
+ | } | ||
+ | |||
+ | } | ||
+ | |||
+ | } | ||
+ | |||
+ | |||
+ | pJS.fn.modes.grabParticle = function(p){ | ||
+ | |||
+ | if(pJS.interactivity.events.onhover.enable && pJS.interactivity.status == 'mousemove'){ | ||
+ | |||
+ | var dx_mouse = p.x - pJS.interactivity.mouse.pos_x, | ||
+ | dy_mouse = p.y - pJS.interactivity.mouse.pos_y, | ||
+ | dist_mouse = Math.sqrt(dx_mouse*dx_mouse + dy_mouse*dy_mouse); | ||
+ | |||
+ | /* draw a line between the cursor and the particle if the distance between them is under the config distance */ | ||
+ | if(dist_mouse <= pJS.interactivity.modes.grab.distance){ | ||
+ | |||
+ | 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; | ||
+ | |||
+ | if(opacity_line > 0){ | ||
+ | |||
+ | /* style */ | ||
+ | var color_line = pJS.particles.line_linked.color_rgb_line; | ||
+ | pJS.canvas.ctx.strokeStyle = 'rgba('+color_line.r+','+color_line.g+','+color_line.b+','+opacity_line+')'; | ||
+ | pJS.canvas.ctx.lineWidth = pJS.particles.line_linked.width; | ||
+ | //pJS.canvas.ctx.lineCap = 'round'; /* performance issue */ | ||
+ | |||
+ | /* path */ | ||
+ | pJS.canvas.ctx.beginPath(); | ||
+ | pJS.canvas.ctx.moveTo(p.x, p.y); | ||
+ | pJS.canvas.ctx.lineTo(pJS.interactivity.mouse.pos_x, pJS.interactivity.mouse.pos_y); | ||
+ | pJS.canvas.ctx.stroke(); | ||
+ | pJS.canvas.ctx.closePath(); | ||
+ | |||
+ | } | ||
+ | |||
+ | } | ||
+ | |||
+ | } | ||
+ | |||
+ | }; | ||
+ | |||
+ | |||
+ | |||
+ | /* ---------- pJS functions - vendors ------------ */ | ||
+ | |||
+ | pJS.fn.vendors.eventsListeners = function(){ | ||
+ | |||
+ | /* events target element */ | ||
+ | if(pJS.interactivity.detect_on == 'window'){ | ||
+ | pJS.interactivity.el = window; | ||
+ | }else{ | ||
+ | pJS.interactivity.el = pJS.canvas.el; | ||
+ | } | ||
+ | |||
+ | |||
+ | /* detect mouse pos - on hover / click event */ | ||
+ | if(pJS.interactivity.events.onhover.enable || pJS.interactivity.events.onclick.enable){ | ||
+ | |||
+ | /* el on mousemove */ | ||
+ | pJS.interactivity.el.addEventListener('mousemove', function(e){ | ||
+ | |||
+ | if(pJS.interactivity.el == window){ | ||
+ | var pos_x = e.clientX, | ||
+ | pos_y = e.clientY; | ||
+ | } | ||
+ | else{ | ||
+ | var pos_x = e.offsetX || e.clientX, | ||
+ | pos_y = e.offsetY || e.clientY; | ||
+ | } | ||
+ | |||
+ | pJS.interactivity.mouse.pos_x = pos_x; | ||
+ | pJS.interactivity.mouse.pos_y = pos_y; | ||
+ | |||
+ | if(pJS.tmp.retina){ | ||
+ | pJS.interactivity.mouse.pos_x *= pJS.canvas.pxratio; | ||
+ | pJS.interactivity.mouse.pos_y *= pJS.canvas.pxratio; | ||
+ | } | ||
+ | |||
+ | pJS.interactivity.status = 'mousemove'; | ||
+ | |||
+ | }); | ||
+ | |||
+ | /* el on onmouseleave */ | ||
+ | pJS.interactivity.el.addEventListener('mouseleave', function(e){ | ||
+ | |||
+ | pJS.interactivity.mouse.pos_x = null; | ||
+ | pJS.interactivity.mouse.pos_y = null; | ||
+ | pJS.interactivity.status = 'mouseleave'; | ||
+ | |||
+ | }); | ||
+ | |||
+ | } | ||
+ | |||
+ | /* on click event */ | ||
+ | if(pJS.interactivity.events.onclick.enable){ | ||
+ | |||
+ | pJS.interactivity.el.addEventListener('click', function(){ | ||
+ | |||
+ | pJS.interactivity.mouse.click_pos_x = pJS.interactivity.mouse.pos_x; | ||
+ | pJS.interactivity.mouse.click_pos_y = pJS.interactivity.mouse.pos_y; | ||
+ | pJS.interactivity.mouse.click_time = new Date().getTime(); | ||
+ | |||
+ | if(pJS.interactivity.events.onclick.enable){ | ||
+ | |||
+ | switch(pJS.interactivity.events.onclick.mode){ | ||
+ | |||
+ | case 'push': | ||
+ | if(pJS.particles.move.enable){ | ||
+ | pJS.fn.modes.pushParticles(pJS.interactivity.modes.push.particles_nb, pJS.interactivity.mouse); | ||
+ | }else{ | ||
+ | if(pJS.interactivity.modes.push.particles_nb == 1){ | ||
+ | pJS.fn.modes.pushParticles(pJS.interactivity.modes.push.particles_nb, pJS.interactivity.mouse); | ||
+ | } | ||
+ | else if(pJS.interactivity.modes.push.particles_nb > 1){ | ||
+ | pJS.fn.modes.pushParticles(pJS.interactivity.modes.push.particles_nb); | ||
+ | } | ||
+ | } | ||
+ | break; | ||
+ | |||
+ | case 'remove': | ||
+ | pJS.fn.modes.removeParticles(pJS.interactivity.modes.remove.particles_nb); | ||
+ | break; | ||
+ | |||
+ | case 'bubble': | ||
+ | pJS.tmp.bubble_clicking = true; | ||
+ | break; | ||
+ | |||
+ | case 'repulse': | ||
+ | pJS.tmp.repulse_clicking = true; | ||
+ | pJS.tmp.repulse_count = 0; | ||
+ | pJS.tmp.repulse_finish = false; | ||
+ | setTimeout(function(){ | ||
+ | pJS.tmp.repulse_clicking = false; | ||
+ | }, pJS.interactivity.modes.repulse.duration*1000) | ||
+ | break; | ||
+ | |||
+ | } | ||
+ | |||
+ | } | ||
+ | |||
+ | }); | ||
+ | |||
+ | } | ||
+ | |||
+ | |||
+ | }; | ||
+ | |||
+ | pJS.fn.vendors.densityAutoParticles = function(){ | ||
+ | |||
+ | if(pJS.particles.number.density.enable){ | ||
+ | |||
+ | /* calc area */ | ||
+ | var area = pJS.canvas.el.width * pJS.canvas.el.height / 1000; | ||
+ | if(pJS.tmp.retina){ | ||
+ | area = area/(pJS.canvas.pxratio*2); | ||
+ | } | ||
+ | |||
+ | /* calc number of particles based on density area */ | ||
+ | var nb_particles = area * pJS.particles.number.value / pJS.particles.number.density.value_area; | ||
+ | |||
+ | /* add or remove X particles */ | ||
+ | var missing_particles = pJS.particles.array.length - nb_particles; | ||
+ | if(missing_particles < 0) pJS.fn.modes.pushParticles(Math.abs(missing_particles)); | ||
+ | else pJS.fn.modes.removeParticles(missing_particles); | ||
+ | |||
+ | } | ||
+ | |||
+ | }; | ||
+ | |||
+ | |||
+ | pJS.fn.vendors.checkOverlap = function(p1, position){ | ||
+ | for(var i = 0; i < pJS.particles.array.length; i++){ | ||
+ | var p2 = pJS.particles.array[i]; | ||
+ | |||
+ | var dx = p1.x - p2.x, | ||
+ | dy = p1.y - p2.y, | ||
+ | dist = Math.sqrt(dx*dx + dy*dy); | ||
+ | |||
+ | if(dist <= p1.radius + p2.radius){ | ||
+ | p1.x = position ? position.x : Math.random() * pJS.canvas.w; | ||
+ | p1.y = position ? position.y : Math.random() * pJS.canvas.h; | ||
+ | pJS.fn.vendors.checkOverlap(p1); | ||
+ | } | ||
+ | } | ||
+ | }; | ||
+ | |||
+ | |||
+ | pJS.fn.vendors.createSvgImg = function(p){ | ||
+ | |||
+ | /* set color to svg element */ | ||
+ | var svgXml = pJS.tmp.source_svg, | ||
+ | rgbHex = /#([0-9A-F]{3,6})/gi, | ||
+ | coloredSvgXml = svgXml.replace(rgbHex, function (m, r, g, b) { | ||
+ | if(p.color.rgb){ | ||
+ | var color_value = 'rgba('+p.color.rgb.r+','+p.color.rgb.g+','+p.color.rgb.b+','+p.opacity+')'; | ||
+ | }else{ | ||
+ | var color_value = 'hsla('+p.color.hsl.h+','+p.color.hsl.s+'%,'+p.color.hsl.l+'%,'+p.opacity+')'; | ||
+ | } | ||
+ | return color_value; | ||
+ | }); | ||
+ | |||
+ | /* prepare to create img with colored svg */ | ||
+ | var svg = new Blob([coloredSvgXml], {type: 'image/svg+xml;charset=utf-8'}), | ||
+ | DOMURL = window.URL || window.webkitURL || window, | ||
+ | url = DOMURL.createObjectURL(svg); | ||
+ | |||
+ | /* create particle img obj */ | ||
+ | var img = new Image(); | ||
+ | img.addEventListener('load', function(){ | ||
+ | p.img.obj = img; | ||
+ | p.img.loaded = true; | ||
+ | DOMURL.revokeObjectURL(url); | ||
+ | pJS.tmp.count_svg++; | ||
+ | }); | ||
+ | img.src = url; | ||
+ | |||
+ | }; | ||
+ | |||
+ | |||
+ | pJS.fn.vendors.destroypJS = function(){ | ||
+ | cancelAnimationFrame(pJS.fn.drawAnimFrame); | ||
+ | canvas_el.remove(); | ||
+ | pJSDom = null; | ||
+ | }; | ||
+ | |||
+ | |||
+ | pJS.fn.vendors.drawShape = function(c, startX, startY, sideLength, sideCountNumerator, sideCountDenominator){ | ||
+ | |||
+ | // By Programming Thomas - https://programmingthomas.wordpress.com/2013/04/03/n-sided-shapes/ | ||
+ | var sideCount = sideCountNumerator * sideCountDenominator; | ||
+ | var decimalSides = sideCountNumerator / sideCountDenominator; | ||
+ | var interiorAngleDegrees = (180 * (decimalSides - 2)) / decimalSides; | ||
+ | var interiorAngle = Math.PI - Math.PI * interiorAngleDegrees / 180; // convert to radians | ||
+ | c.save(); | ||
+ | c.beginPath(); | ||
+ | c.translate(startX, startY); | ||
+ | c.moveTo(0,0); | ||
+ | for (var i = 0; i < sideCount; i++) { | ||
+ | c.lineTo(sideLength,0); | ||
+ | c.translate(sideLength,0); | ||
+ | c.rotate(interiorAngle); | ||
+ | } | ||
+ | //c.stroke(); | ||
+ | c.fill(); | ||
+ | c.restore(); | ||
+ | |||
+ | }; | ||
+ | |||
+ | pJS.fn.vendors.exportImg = function(){ | ||
+ | window.open(pJS.canvas.el.toDataURL('image/png'), '_blank'); | ||
+ | }; | ||
+ | |||
+ | |||
+ | pJS.fn.vendors.loadImg = function(type){ | ||
+ | |||
+ | pJS.tmp.img_error = undefined; | ||
+ | |||
+ | if(pJS.particles.shape.image.src != ''){ | ||
+ | |||
+ | if(type == 'svg'){ | ||
+ | |||
+ | var xhr = new XMLHttpRequest(); | ||
+ | xhr.open('GET', pJS.particles.shape.image.src); | ||
+ | xhr.onreadystatechange = function (data) { | ||
+ | if(xhr.readyState == 4){ | ||
+ | if(xhr.status == 200){ | ||
+ | pJS.tmp.source_svg = data.currentTarget.response; | ||
+ | pJS.fn.vendors.checkBeforeDraw(); | ||
+ | }else{ | ||
+ | console.log('Error pJS - Image not found'); | ||
+ | pJS.tmp.img_error = true; | ||
+ | } | ||
+ | } | ||
+ | } | ||
+ | xhr.send(); | ||
+ | |||
+ | }else{ | ||
+ | |||
+ | var img = new Image(); | ||
+ | img.addEventListener('load', function(){ | ||
+ | pJS.tmp.img_obj = img; | ||
+ | pJS.fn.vendors.checkBeforeDraw(); | ||
+ | }); | ||
+ | img.src = pJS.particles.shape.image.src; | ||
+ | |||
+ | } | ||
+ | |||
+ | }else{ | ||
+ | console.log('Error pJS - No image.src'); | ||
+ | pJS.tmp.img_error = true; | ||
+ | } | ||
+ | |||
+ | }; | ||
+ | |||
+ | |||
+ | pJS.fn.vendors.draw = function(){ | ||
+ | |||
+ | if(pJS.particles.shape.type == 'image'){ | ||
+ | |||
+ | if(pJS.tmp.img_type == 'svg'){ | ||
+ | |||
+ | if(pJS.tmp.count_svg >= pJS.particles.number.value){ | ||
+ | pJS.fn.particlesDraw(); | ||
+ | if(!pJS.particles.move.enable) cancelRequestAnimFrame(pJS.fn.drawAnimFrame); | ||
+ | else pJS.fn.drawAnimFrame = requestAnimFrame(pJS.fn.vendors.draw); | ||
+ | }else{ | ||
+ | //console.log('still loading...'); | ||
+ | if(!pJS.tmp.img_error) pJS.fn.drawAnimFrame = requestAnimFrame(pJS.fn.vendors.draw); | ||
+ | } | ||
+ | |||
+ | }else{ | ||
+ | |||
+ | if(pJS.tmp.img_obj != undefined){ | ||
+ | pJS.fn.particlesDraw(); | ||
+ | if(!pJS.particles.move.enable) cancelRequestAnimFrame(pJS.fn.drawAnimFrame); | ||
+ | else pJS.fn.drawAnimFrame = requestAnimFrame(pJS.fn.vendors.draw); | ||
+ | }else{ | ||
+ | if(!pJS.tmp.img_error) pJS.fn.drawAnimFrame = requestAnimFrame(pJS.fn.vendors.draw); | ||
+ | } | ||
+ | |||
+ | } | ||
+ | |||
+ | }else{ | ||
+ | pJS.fn.particlesDraw(); | ||
+ | if(!pJS.particles.move.enable) cancelRequestAnimFrame(pJS.fn.drawAnimFrame); | ||
+ | else pJS.fn.drawAnimFrame = requestAnimFrame(pJS.fn.vendors.draw); | ||
+ | } | ||
+ | |||
+ | }; | ||
+ | |||
+ | |||
+ | pJS.fn.vendors.checkBeforeDraw = function(){ | ||
+ | |||
+ | // if shape is image | ||
+ | if(pJS.particles.shape.type == 'image'){ | ||
+ | |||
+ | if(pJS.tmp.img_type == 'svg' && pJS.tmp.source_svg == undefined){ | ||
+ | pJS.tmp.checkAnimFrame = requestAnimFrame(check); | ||
+ | }else{ | ||
+ | //console.log('images loaded! cancel check'); | ||
+ | cancelRequestAnimFrame(pJS.tmp.checkAnimFrame); | ||
+ | if(!pJS.tmp.img_error){ | ||
+ | pJS.fn.vendors.init(); | ||
+ | pJS.fn.vendors.draw(); | ||
+ | } | ||
+ | |||
+ | } | ||
+ | |||
+ | }else{ | ||
+ | pJS.fn.vendors.init(); | ||
+ | pJS.fn.vendors.draw(); | ||
+ | } | ||
+ | |||
+ | }; | ||
+ | |||
+ | |||
+ | pJS.fn.vendors.init = function(){ | ||
+ | |||
+ | /* init canvas + particles */ | ||
+ | pJS.fn.retinaInit(); | ||
+ | pJS.fn.canvasInit(); | ||
+ | pJS.fn.canvasSize(); | ||
+ | pJS.fn.canvasPaint(); | ||
+ | pJS.fn.particlesCreate(); | ||
+ | pJS.fn.vendors.densityAutoParticles(); | ||
+ | |||
+ | /* particles.line_linked - convert hex colors to rgb */ | ||
+ | pJS.particles.line_linked.color_rgb_line = hexToRgb(pJS.particles.line_linked.color); | ||
+ | |||
+ | }; | ||
+ | |||
+ | |||
+ | pJS.fn.vendors.start = function(){ | ||
+ | |||
+ | if(isInArray('image', pJS.particles.shape.type)){ | ||
+ | pJS.tmp.img_type = pJS.particles.shape.image.src.substr(pJS.particles.shape.image.src.length - 3); | ||
+ | pJS.fn.vendors.loadImg(pJS.tmp.img_type); | ||
+ | }else{ | ||
+ | pJS.fn.vendors.checkBeforeDraw(); | ||
+ | } | ||
+ | |||
+ | }; | ||
+ | |||
+ | |||
+ | |||
+ | |||
+ | /* ---------- pJS - start ------------ */ | ||
+ | |||
+ | |||
+ | pJS.fn.vendors.eventsListeners(); | ||
+ | |||
+ | pJS.fn.vendors.start(); | ||
+ | |||
+ | |||
+ | |||
+ | }; | ||
+ | |||
+ | /* ---------- global functions - vendors ------------ */ | ||
+ | |||
+ | Object.deepExtend = function(destination, source) { | ||
+ | for (var property in source) { | ||
+ | if (source[property] && source[property].constructor && | ||
+ | source[property].constructor === Object) { | ||
+ | destination[property] = destination[property] || {}; | ||
+ | arguments.callee(destination[property], source[property]); | ||
+ | } else { | ||
+ | destination[property] = source[property]; | ||
+ | } | ||
+ | } | ||
+ | return destination; | ||
+ | }; | ||
+ | |||
+ | window.requestAnimFrame = (function(){ | ||
+ | return window.requestAnimationFrame || | ||
+ | window.webkitRequestAnimationFrame || | ||
+ | window.mozRequestAnimationFrame || | ||
+ | window.oRequestAnimationFrame || | ||
+ | window.msRequestAnimationFrame || | ||
+ | function(callback){ | ||
+ | window.setTimeout(callback, 1000 / 60); | ||
+ | }; | ||
+ | })(); | ||
+ | |||
+ | window.cancelRequestAnimFrame = ( function() { | ||
+ | return window.cancelAnimationFrame || | ||
+ | window.webkitCancelRequestAnimationFrame || | ||
+ | window.mozCancelRequestAnimationFrame || | ||
+ | window.oCancelRequestAnimationFrame || | ||
+ | window.msCancelRequestAnimationFrame || | ||
+ | clearTimeout | ||
+ | } )(); | ||
+ | |||
+ | function hexToRgb(hex){ | ||
+ | // By Tim Down - http://stackoverflow.com/a/5624139/3493650 | ||
+ | // Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF") | ||
+ | var shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i; | ||
+ | hex = hex.replace(shorthandRegex, function(m, r, g, b) { | ||
+ | return r + r + g + g + b + b; | ||
+ | }); | ||
+ | var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex); | ||
+ | return result ? { | ||
+ | r: parseInt(result[1], 16), | ||
+ | g: parseInt(result[2], 16), | ||
+ | b: parseInt(result[3], 16) | ||
+ | } : null; | ||
+ | }; | ||
+ | |||
+ | function clamp(number, min, max) { | ||
+ | return Math.min(Math.max(number, min), max); | ||
+ | }; | ||
+ | |||
+ | function isInArray(value, array) { | ||
+ | return array.indexOf(value) > -1; | ||
+ | } | ||
+ | |||
+ | |||
+ | /* ---------- particles.js functions - start ------------ */ | ||
+ | |||
+ | window.pJSDom = []; | ||
+ | |||
+ | window.particlesJS = function(tag_id, params){ | ||
+ | |||
+ | //console.log(params); | ||
+ | |||
+ | /* no string id? so it's object params, and set the id with default id */ | ||
+ | if(typeof(tag_id) != 'string'){ | ||
+ | params = tag_id; | ||
+ | tag_id = 'particles-js'; | ||
+ | } | ||
+ | |||
+ | /* no id? set the id to default id */ | ||
+ | if(!tag_id){ | ||
+ | tag_id = 'particles-js'; | ||
+ | } | ||
+ | |||
+ | /* pJS elements */ | ||
+ | var pJS_tag = document.getElementById(tag_id), | ||
+ | pJS_canvas_class = 'particles-js-canvas-el', | ||
+ | exist_canvas = pJS_tag.getElementsByClassName(pJS_canvas_class); | ||
+ | |||
+ | /* remove canvas if exists into the pJS target tag */ | ||
+ | if(exist_canvas.length){ | ||
+ | while(exist_canvas.length > 0){ | ||
+ | pJS_tag.removeChild(exist_canvas[0]); | ||
+ | } | ||
+ | } | ||
+ | |||
+ | /* create canvas element */ | ||
+ | var canvas_el = document.createElement('canvas'); | ||
+ | canvas_el.className = pJS_canvas_class; | ||
+ | |||
+ | /* set size canvas */ | ||
+ | canvas_el.style.width = "100%"; | ||
+ | canvas_el.style.height = "100%"; | ||
+ | |||
+ | /* append canvas */ | ||
+ | var canvas = document.getElementById(tag_id).appendChild(canvas_el); | ||
+ | |||
+ | /* launch particle.js */ | ||
+ | if(canvas != null){ | ||
+ | pJSDom.push(new pJS(tag_id, params)); | ||
+ | } | ||
+ | |||
+ | }; | ||
+ | |||
+ | window.particlesJS.load = function(tag_id, path_config_json, callback){ | ||
+ | |||
+ | /* load json config */ | ||
+ | var xhr = new XMLHttpRequest(); | ||
+ | xhr.open('GET', path_config_json); | ||
+ | xhr.onreadystatechange = function (data) { | ||
+ | if(xhr.readyState == 4){ | ||
+ | if(xhr.status == 200){ | ||
+ | var params = JSON.parse(data.currentTarget.response); | ||
+ | window.particlesJS(tag_id, params); | ||
+ | if(callback) callback(); | ||
+ | }else{ | ||
+ | console.log('Error pJS - XMLHttpRequest status: '+xhr.status); | ||
+ | console.log('Error pJS - File config not found'); | ||
+ | } | ||
+ | } | ||
+ | }; | ||
+ | xhr.send(); | ||
+ | |||
+ | |||
+ | }; | ||
+ | |||
+ | particlesJS("particles-js", { | ||
+ | //Particle circles Styles | ||
+ | "particles":{ | ||
+ | "number": | ||
+ | { | ||
+ | "value":140, //Change this to increase or decrease number of particles on screen | ||
+ | "density":{ | ||
+ | "enable":true, | ||
+ | "value_area":1000 | ||
+ | } | ||
+ | }, | ||
+ | "color":{ | ||
+ | "value":"#dbbadd" //Particle colour - purple? | ||
+ | },"shape":{ | ||
+ | "type":"circle", | ||
+ | "stroke":{ | ||
+ | "width":0, | ||
+ | "color":"#000000" | ||
+ | }, | ||
+ | "polygon":{ | ||
+ | "nb_sides":5 | ||
+ | }, | ||
+ | "image":{"src":"img/github.svg", | ||
+ | "width":100, | ||
+ | "height":100 | ||
+ | } | ||
+ | }, | ||
+ | "opacity":{ | ||
+ | "value":0.8, //Can make them more or less visible | ||
+ | "random":false, | ||
+ | "anim":{ | ||
+ | "enable":false, | ||
+ | "speed":1, | ||
+ | "opacity_min":0.1, | ||
+ | "sync":false | ||
+ | } | ||
+ | }, | ||
+ | "size":{ | ||
+ | "value":3, | ||
+ | "random":true, | ||
+ | "anim":{ | ||
+ | "enable":false, | ||
+ | "speed":40, | ||
+ | "size_min":0.1, | ||
+ | "sync":false | ||
+ | } | ||
+ | }, | ||
+ | |||
+ | //Styles for linking lines | ||
+ | "line_linked":{ | ||
+ | "enable":true, | ||
+ | "distance":150, | ||
+ | "color":"#eafffd", //Use lightest blue colour? | ||
+ | "opacity":0.4, | ||
+ | "width":1 | ||
+ | }, | ||
+ | "move":{ | ||
+ | "enable":true, | ||
+ | "speed":6, | ||
+ | "direction":"none", | ||
+ | "random":false, | ||
+ | "straight":false, | ||
+ | "out_mode":"out", | ||
+ | "bounce":false, | ||
+ | "attract":{ | ||
+ | "enable":false, | ||
+ | "rotateX":600, | ||
+ | "rotateY":1200 | ||
+ | } | ||
+ | } | ||
+ | }, | ||
+ | "interactivity":{ | ||
+ | "detect_on":"canvas", | ||
+ | "events":{ | ||
+ | "onhover":{ | ||
+ | "enable":true, | ||
+ | "mode":"grab" //Can also try repulse | ||
+ | }, | ||
+ | "onclick":{ | ||
+ | "enable":true, | ||
+ | "mode":"push" //Clicking will create a particle | ||
+ | }, | ||
+ | "resize":true | ||
+ | }, | ||
+ | "modes":{ | ||
+ | //I like this mode best, grabs surrounding lines | ||
+ | "grab":{ | ||
+ | "distance":150, | ||
+ | "line_linked":{ | ||
+ | "opacity":1 | ||
+ | } | ||
+ | }, | ||
+ | "bubble":{ | ||
+ | "distance":400, | ||
+ | "size":40, | ||
+ | "duration":2, | ||
+ | "opacity":8, | ||
+ | "speed":3 | ||
+ | }, | ||
+ | "repulse":{ | ||
+ | "distance":200, | ||
+ | "duration":0.4 | ||
+ | }, | ||
+ | "push":{ | ||
+ | "particles_nb":4 | ||
+ | }, | ||
+ | "remove":{ | ||
+ | "particles_nb":2 | ||
+ | } | ||
+ | } | ||
+ | }, | ||
+ | "retina_detect":true}); | ||
+ | |||
+ | var count_particles, stats, update; | ||
+ | stats = new Stats; | ||
+ | stats.setMode(0); | ||
+ | stats.domElement.style.position = 'absolute'; | ||
+ | stats.domElement.style.left = '0px'; | ||
+ | stats.domElement.style.top = '0px'; | ||
+ | document.body.appendChild(stats.domElement); | ||
+ | count_particles = document.querySelector('.js-count-particles'); | ||
+ | update = function() { stats.begin(); | ||
+ | stats.end(); | ||
+ | if (window.pJSDom[0].pJS.particles && window.pJSDom[0].pJS.particles.array) { | ||
+ | count_particles.innerText = window.pJSDom[0].pJS.particles.array.length; | ||
+ | } | ||
+ | requestAnimationFrame(update); | ||
+ | }; | ||
+ | requestAnimationFrame(update);; | ||
</script> | </script> | ||
<html> | <html> |
Revision as of 17:59, 9 July 2020