(function ($) {
	/* -----------------------------------------------
/* 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();
				}
			} else if (

			/* on click event */
				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();
	};
})(jQuery);
