10 lines
23 KiB
JavaScript
10 lines
23 KiB
JavaScript
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/* -----------------------------------------------
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/* Author : Vincent Garreau - vincentgarreau.com
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/* MIT license: http://opensource.org/licenses/MIT
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/* Demo / Generator : vincentgarreau.com/particles.js
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/* GitHub : github.com/VincentGarreau/particles.js
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/* How to use? : Check the GitHub README
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/* v2.0.0
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/* ----------------------------------------------- */
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function hexToRgb(e){var a=/^#?([a-f\d])([a-f\d])([a-f\d])$/i;e=e.replace(a,function(e,a,t,i){return a+a+t+t+i+i});var t=/^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(e);return t?{r:parseInt(t[1],16),g:parseInt(t[2],16),b:parseInt(t[3],16)}:null}function clamp(e,a,t){return Math.min(Math.max(e,a),t)}function isInArray(e,a){return a.indexOf(e)>-1}var pJS=function(e,a){var t=document.querySelector("#"+e+" > .particles-js-canvas-el");this.pJS={canvas:{el:t,w:t.offsetWidth,h:t.offsetHeight},particles:{number:{value:400,density:{enable:!0,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:!1,anim:{enable:!1,speed:2,opacity_min:0,sync:!1}},size:{value:20,random:!1,anim:{enable:!1,speed:20,size_min:0,sync:!1}},line_linked:{enable:!0,distance:100,color:"#fff",opacity:1,width:1},move:{enable:!0,speed:2,direction:"none",random:!1,straight:!1,out_mode:"out",bounce:!1,attract:{enable:!1,rotateX:3e3,rotateY:3e3}},array:[]},interactivity:{detect_on:"canvas",events:{onhover:{enable:!0,mode:"grab"},onclick:{enable:!0,mode:"push"},resize:!0},modes:{grab:{distance:100,line_linked:{opacity:1}},bubble:{distance:200,size:80,duration:.4},repulse:{distance:200,duration:.4},push:{particles_nb:4},remove:{particles_nb:2}},mouse:{}},retina_detect:!1,fn:{interact:{},modes:{},vendors:{}},tmp:{}};var i=this.pJS;a&&Object.deepExtend(i,a),i.tmp.obj={size_value:i.particles.size.value,size_anim_speed:i.particles.size.anim.speed,move_speed:i.particles.move.speed,line_linked_distance:i.particles.line_linked.distance,line_linked_width:i.particles.line_linked.width,mode_grab_distance:i.interactivity.modes.grab.distance,mode_bubble_distance:i.interactivity.modes.bubble.distance,mode_bubble_size:i.interactivity.modes.bubble.size,mode_repulse_distance:i.interactivity.modes.repulse.distance},i.fn.retinaInit=function(){i.retina_detect&&window.devicePixelRatio>1?(i.canvas.pxratio=window.devicePixelRatio,i.tmp.retina=!0):(i.canvas.pxratio=1,i.tmp.retina=!1),i.canvas.w=i.canvas.el.offsetWidth*i.canvas.pxratio,i.canvas.h=i.canvas.el.offsetHeight*i.canvas.pxratio,i.particles.size.value=i.tmp.obj.size_value*i.canvas.pxratio,i.particles.size.anim.speed=i.tmp.obj.size_anim_speed*i.canvas.pxratio,i.particles.move.speed=i.tmp.obj.move_speed*i.canvas.pxratio,i.particles.line_linked.distance=i.tmp.obj.line_linked_distance*i.canvas.pxratio,i.interactivity.modes.grab.distance=i.tmp.obj.mode_grab_distance*i.canvas.pxratio,i.interactivity.modes.bubble.distance=i.tmp.obj.mode_bubble_distance*i.canvas.pxratio,i.particles.line_linked.width=i.tmp.obj.line_linked_width*i.canvas.pxratio,i.interactivity.modes.bubble.size=i.tmp.obj.mode_bubble_size*i.canvas.pxratio,i.interactivity.modes.repulse.distance=i.tmp.obj.mode_repulse_distance*i.canvas.pxratio},i.fn.canvasInit=function(){i.canvas.ctx=i.canvas.el.getContext("2d")},i.fn.canvasSize=function(){i.canvas.el.width=i.canvas.w,i.canvas.el.height=i.canvas.h,i&&i.interactivity.events.resize&&window.addEventListener("resize",function(){i.canvas.w=i.canvas.el.offsetWidth,i.canvas.h=i.canvas.el.offsetHeight,i.tmp.retina&&(i.canvas.w*=i.canvas.pxratio,i.canvas.h*=i.canvas.pxratio),i.canvas.el.width=i.canvas.w,i.canvas.el.height=i.canvas.h,i.particles.move.enable||(i.fn.particlesEmpty(),i.fn.particlesCreate(),i.fn.particlesDraw(),i.fn.vendors.densityAutoParticles()),i.fn.vendors.densityAutoParticles()})},i.fn.canvasPaint=function(){i.canvas.ctx.fillRect(0,0,i.canvas.w,i.canvas.h)},i.fn.canvasClear=function(){i.canvas.ctx.clearRect(0,0,i.canvas.w,i.canvas.h)},i.fn.particle=function(e,a,t){if(this.radius=(i.particles.size.random?Math.random():1)*i.particles.size.value,i.particles.size.anim.enable&&(this.size_status=!1,this.vs=i.particles.size.anim.speed/100,i.particles.size.anim.sync||(this.vs=this.vs*Math.random())),this.x=t?t.x:Math.random()*i.canvas.w,this.y=t?t.y:Math.random()*i.canvas.h,this.x>i.canvas.w-2*this.radius?this.x=this.x-this.radius:this.x<2*this.radius&&(this.x=this.x+this.radius),this.y>i.canvas.h-2*this
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