var Confetti = function () {
  var t = function () {
      return function () {
        this.gravity = 10,
          this.particle_count = 75,
          this.particle_size = 1,
          this.explosion_power = 25,
          this.destroy_target = !0,
          this.fade = !1;
      };
    }(),
    e = function () {
      function e(n) {
        var r = this;
        if (
          this.bursts = [],
            this.setCount = function (t) {
              if ("number" != typeof t) {
                throw new Error(
                  "Input must be of type 'number'",
                );
              }
              e.CONFIG.particle_count = t;
            },
            this.setPower = function (t) {
              if ("number" != typeof t) {
                throw new Error(
                  "Input must be of type 'number'",
                );
              }
              e.CONFIG.explosion_power = t;
            },
            this.setSize = function (t) {
              if ("number" != typeof t) {throw new Error(
                  "Input must be of type 'number'",
                );}
              e.CONFIG.particle_size = t;
            },
            this.setFade = function (t) {
              if ("boolean" != typeof t) {
                throw new Error(
                  "Input must be of type 'boolean'",
                );
              }
              e.CONFIG.fade = t;
            },
            this.destroyTarget = function (t) {
              if ("boolean" != typeof t) {throw new Error(
                  "Input must be of type 'boolean'",
                );}
              e.CONFIG.destroy_target = t;
            },
            this.setupCanvasContext = function () {
              if (!e.CTX) {
                var t = document.createElement("canvas");
                e.CTX = t.getContext("2d"),
                  t.width = 2 * window.innerWidth,
                  t.height = 2 * window.innerHeight,
                  t.style.position = "fixed",
                  t.style.top = "0",
                  t.style.left = "0",
                  t.style.width = "calc(100%)",
                  t.style.height = "calc(100%)",
                  t.style.margin = "0",
                  t.style.padding = "0",
                  t.style.zIndex = "999999999",
                  t.style.pointerEvents = "none",
                  document.body.appendChild(t),
                  window.addEventListener("resize", function () {
                    t.width = 2 * window.innerWidth,
                      t.height = 2 * window.innerHeight;
                  });
              }
            },
            this.setupElement = function (t) {
              var n;
              r.element = document.getElementById(t),
                null === (n = r.element) || void 0 === n ||
                n.addEventListener("click", function (t) {
                  var n = new o(2 * t.clientX, 2 * t.clientY);
                  r.bursts.push(new i(n)),
                    e.CONFIG.destroy_target &&
                    (r.element.style.visibility = "hidden");
                });
            },
            this.update = function (t) {
              r.delta_time = (t - r.time) / 1e3, r.time = t;
              for (var e = r.bursts.length - 1; e >= 0; e--) {
                r.bursts[e].update(r.delta_time),
                  0 == r.bursts[e].particles.length && r.bursts.splice(e, 1);
              }
              r.draw(), window.requestAnimationFrame(r.update);
            },
            !n
        ) throw new Error("Missing id");
        e.CONFIG || (e.CONFIG = new t()),
          this.time = (new Date()).getTime(),
          this.delta_time = 0,
          this.setupCanvasContext(),
          this.setupElement(n),
          window.requestAnimationFrame(this.update);
      }
      return e.prototype.draw = function () {
        s.clearScreen();
        for (var t = 0, e = this.bursts; t < e.length; t++) e[t].draw();
      },
        e;
    }(),
    i = function () {
      function t(t) {
        this.particles = [];
        for (var i = 0; i < e.CONFIG.particle_count; i++) {
          this.particles.push(new n(t));
        }
      }
      return t.prototype.update = function (t) {
        for (var e = this.particles.length - 1; e >= 0; e--) {
          this.particles[e].update(t),
            this.particles[e].checkBounds() && this.particles.splice(e, 1);
        }
      },
        t.prototype.draw = function () {
          for (var t = this.particles.length - 1; t >= 0; t--) {
            this.particles[t].draw();
          }
        },
        t;
    }(),
    n = function () {
      function t(t) {
        this.size = new o(
          (16 * Math.random() + 4) * e.CONFIG.particle_size,
          (4 * Math.random() + 4) * e.CONFIG.particle_size,
        ),
          this.position = new o(t.x - this.size.x / 2, t.y - this.size.y / 2),
          this.velocity = r.generateVelocity(),
          this.rotation = 360 * Math.random(),
          this.rotation_speed = 10 * (Math.random() - .5),
          this.hue = 360 * Math.random(),
          this.opacity = 100,
          this.lifetime = Math.random() + .25;
      }
      return t.prototype.update = function (t) {
        this.velocity.y += e.CONFIG.gravity *
          (this.size.y / (10 * e.CONFIG.particle_size)) * t,
          this.velocity.x += 25 * (Math.random() - .5) * t,
          this.velocity.y *= .98,
          this.velocity.x *= .98,
          this.position.x += this.velocity.x,
          this.position.y += this.velocity.y,
          this.rotation += this.rotation_speed,
          e.CONFIG.fade && (this.opacity -= this.lifetime);
      },
        t.prototype.checkBounds = function () {
          return this.position.y - 2 * this.size.x > 2 * window.innerHeight;
        },
        t.prototype.draw = function () {
          s.drawRectangle(
            this.position,
            this.size,
            this.rotation,
            this.hue,
            this.opacity,
          );
        },
        t;
    }(),
    o = function () {
      return function (t, e) {
        this.x = t || 0, this.y = e || 0;
      };
    }(),
    r = function () {
      function t() {}
      return t.generateVelocity = function () {
        var t = Math.random() - .5,
          i = Math.random() - .7,
          n = Math.sqrt(t * t + i * i);
        return i /= n,
          new o(
            (t /= n) * (Math.random() * e.CONFIG.explosion_power),
            i * (Math.random() * e.CONFIG.explosion_power),
          );
      },
        t;
    }(),
    s = function () {
      function t() {}
      return t.clearScreen = function () {
        e.CTX &&
          e.CTX.clearRect(0, 0, 2 * window.innerWidth, 2 * window.innerHeight);
      },
        t.drawRectangle = function (t, i, n, o, r) {
          e.CTX &&
            (e.CTX.save(),
              e.CTX.beginPath(),
              e.CTX.translate(t.x + i.x / 2, t.y + i.y / 2),
              e.CTX.rotate(n * Math.PI / 180),
              e.CTX.rect(-i.x / 2, -i.y / 2, i.x, i.y),
              e.CTX.fillStyle = "hsla(" + o + "deg, 90%, 65%, " + r + "%)",
              e.CTX.fill(),
              e.CTX.restore());
        },
        t;
    }();
  return e;
}();