diff --git a/src/routes/index.svelte b/src/routes/index.svelte index 9d17de2..4c9ea1d 100644 --- a/src/routes/index.svelte +++ b/src/routes/index.svelte @@ -602,6 +602,6 @@ height="0" width="0" style="display:none;visibility:hidden">

Pedagogická fakulta

Univerzita Karlova -
diff --git a/src/template.html b/src/template.html index dfbfab6..eb918b2 100644 --- a/src/template.html +++ b/src/template.html @@ -48,6 +48,4 @@ - - diff --git a/static/js/particles.js b/static/js/particles.js deleted file mode 100644 index 4b51c10..0000000 --- a/static/js/particles.js +++ /dev/null @@ -1,1551 +0,0 @@ -/* ----------------------------------------------- -/* 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, - replace_color: true - } - }, - 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, - replace_color: sh.image.replace_color - } - 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 = 'rgb('+p.color.rgb.r+','+p.color.rgb.g+','+p.color.rgb.b+')'; - }else{ - var color_value = 'hsl('+p.color.hsl.h+','+p.color.hsl.s+'%,'+p.color.hsl.l+'%)'; - } - - 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){ - pJS.canvas.ctx.globalAlpha = opacity; - draw(); - pJS.canvas.ctx.globalAlpha = 1; - } - - 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, - url; - if (p.img.replace_color) { - var 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; - }); - url = 'data:image/svg+xml;utf8,' + coloredSvgXml; - } else { - url = 'data:image/svg+xml;utf8,' + svgXml; - } - - /* 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 = (pJS.tmp.count_svg || 0) + 1; - }); - 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(); - -}; diff --git a/static/js/particlesjs-config.json b/static/js/particlesjs-config.json deleted file mode 100644 index 25a5075..0000000 --- a/static/js/particlesjs-config.json +++ /dev/null @@ -1,110 +0,0 @@ -{ - "particles": { - "number": { - "value": 33, - "density": { - "enable": true, - "value_area": 800 - } - }, - "color": { - "value": "#b3b3b3" - }, - "shape": { - "type": "image", - "stroke": { - "width": 0, - "color": "#000000" - }, - "polygon": { - "nb_sides": 2 - }, - "image": { - "src": "/svg/zobacek.svg", - "width": 40, - "height": 40 - } - }, - "opacity": { - "value": 0.5, - "random": false, - "anim": { - "enable": false, - "speed": 1, - "opacity_min": 0.1, - "sync": false - } - }, - "size": { - "value": 15, - "random": true, - "anim": { - "enable": false, - "speed": 40, - "size_min": 0.1, - "sync": false - } - }, - "line_linked": { - "enable": false, - "distance": 150, - "color": "#ffffff", - "opacity": 0.4, - "width": 1 - }, - "move": { - "enable": false, - "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": false, - "mode": "repulse" - }, - "onclick": { - "enable": true, - "mode": "push" - }, - "resize": true - }, - "modes": { - "grab": { - "distance": 400, - "line_linked": { - "opacity": 1 - } - }, - "bubble": { - "distance": 400, - "size": 40, - "duration": 2, - "opacity": 8, - "speed": 3 - }, - "repulse": { - "distance": 1, - "duration": 0.4 - }, - "push": { - "particles_nb": 4 - }, - "remove": { - "particles_nb": 2 - } - } - }, - "retina_detect": true -} diff --git a/static/js/script.js b/static/js/script.js deleted file mode 100644 index 29ae673..0000000 --- a/static/js/script.js +++ /dev/null @@ -1,3 +0,0 @@ -particlesJS.load('html', '/js/particlesjs-config.json', function() { - console.log('callback - particles.js config loaded'); -});