var pJS=function(tag_id, params){
var canvas_el=document.querySelector('#'+tag_id+' > .particles-js-canvas-el');
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;
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.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;
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;
if(!pJS.particles.move.enable){
pJS.fn.particlesEmpty();
pJS.fn.particlesCreate();
pJS.fn.particlesDraw();
pJS.fn.vendors.densityAutoParticles();
}
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.fn.particle=function(color, opacity, position){
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();
}}
this.x=position ? position.x:Math.random() * pJS.canvas.w;
this.y=position ? position.y:Math.random() * pJS.canvas.h;
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;
if(pJS.particles.move.bounce){
pJS.fn.vendors.checkOverlap(this, position);
}
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);
}
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();
}}
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;
}
this.vx_i=this.vx;
this.vy_i=this.vy;
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),
p.y - radius / (2.66/3.5),
radius*2.66 / (pJS.particles.shape.polygon.nb_sides/3),
pJS.particles.shape.polygon.nb_sides,
1 
);
break;
case 'star':
pJS.fn.vendors.drawShape(pJS.canvas.ctx,
p.x - radius*2 / (pJS.particles.shape.polygon.nb_sides/4),
p.y - radius / (2*2.66/3.5),
radius*2*2.66 / (pJS.particles.shape.polygon.nb_sides/3),
pJS.particles.shape.polygon.nb_sides,
2 
);
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++){
var p=pJS.particles.array[i];
if(pJS.particles.move.enable){
var ms=pJS.particles.move.speed/2;
p.x +=p.vx * ms;
p.y +=p.vy * ms;
}
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;
}
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;
}
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;
}
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;
}
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);
}
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];
if(pJS.particles.line_linked.enable){
pJS.fn.interact.linkParticles(p,p2);
}
if(pJS.particles.move.attract.enable){
pJS.fn.interact.attractParticles(p,p2);
}
if(pJS.particles.move.bounce){
pJS.fn.interact.bounceParticles(p,p2);
}}
}}
};
pJS.fn.particlesDraw=function(){
pJS.canvas.ctx.clearRect(0, 0, pJS.canvas.w, pJS.canvas.h);
pJS.fn.particlesUpdate();
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(){
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();
pJS.fn.vendors.start();
};
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);
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){
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.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){
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.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){
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;
}
if(dist_mouse <=pJS.interactivity.modes.bubble.distance){
if(ratio >=0&&pJS.interactivity.status=='mousemove'){
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;
}}
}
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();
}
if(pJS.interactivity.status=='mouseleave'){
init();
}}
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){
process(pJS.interactivity.modes.bubble.size, pJS.particles.size.value, p.radius_bubble, p.radius, 'size');
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;
}}
if(d <=repulseRadius){
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);
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){
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.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.fn.vendors.eventsListeners=function(){
if(pJS.interactivity.detect_on=='window'){
pJS.interactivity.el=window;
}else{
pJS.interactivity.el=pJS.canvas.el;
}
if(pJS.interactivity.events.onhover.enable||pJS.interactivity.events.onclick.enable){
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';
});
pJS.interactivity.el.addEventListener('mouseleave', function(e){
pJS.interactivity.mouse.pos_x=null;
pJS.interactivity.mouse.pos_y=null;
pJS.interactivity.status='mouseleave';
});
}
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){
var area=pJS.canvas.el.width * pJS.canvas.el.height / 1000;
if(pJS.tmp.retina){
area=area/(pJS.canvas.pxratio*2);
}
var nb_particles=area * pJS.particles.number.value / pJS.particles.number.density.value_area;
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){
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;
});
var svg=new Blob([coloredSvgXml], {type: 'image/svg+xml;charset=utf-8'}),
DOMURL=window.URL||window.webkitURL||window,
url=DOMURL.createObjectURL(svg);
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){
var sideCount=sideCountNumerator * sideCountDenominator;
var decimalSides=sideCountNumerator / sideCountDenominator;
var interiorAngleDegrees=(180 * (decimalSides - 2)) / decimalSides;
var interiorAngle=Math.PI - Math.PI * interiorAngleDegrees / 180;
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.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{
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(pJS.particles.shape.type=='image'){
if(pJS.tmp.img_type=='svg'&&pJS.tmp.source_svg==undefined){
pJS.tmp.checkAnimFrame=requestAnimFrame(check);
}else{
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(){
pJS.fn.retinaInit();
pJS.fn.canvasInit();
pJS.fn.canvasSize();
pJS.fn.canvasPaint();
pJS.fn.particlesCreate();
pJS.fn.vendors.densityAutoParticles();
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.fn.vendors.eventsListeners();
pJS.fn.vendors.start();
};
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){
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;
}
window.pJSDom=[];
window.particlesJS=function(tag_id, params){
if(typeof(tag_id)!='string'){
params=tag_id;
tag_id='particles-js';
}
if(!tag_id){
tag_id='particles-js';
}
var pJS_tag=document.getElementById(tag_id),
pJS_canvas_class='particles-js-canvas-el',
exist_canvas=pJS_tag.getElementsByClassName(pJS_canvas_class);
if(exist_canvas.length){
while(exist_canvas.length > 0){
pJS_tag.removeChild(exist_canvas[0]);
}}
var canvas_el=document.createElement('canvas');
canvas_el.className=pJS_canvas_class;
canvas_el.style.width="100%";
canvas_el.style.height="100%";
var canvas=document.getElementById(tag_id).appendChild(canvas_el);
if(canvas!=null){
pJSDom.push(new pJS(tag_id, params));
}};
window.particlesJS.load=function(tag_id, path_config_json, callback){
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();
};