diff --git a/js/detector.js b/js/detector.js
index 6c620d1..6129856 100644
--- a/js/detector.js
+++ b/js/detector.js
@@ -258,10 +258,15 @@ var detector =
 
     addEvent: function()
     {
-        var index = Math.round(Math.random() * (detector.tracks.length - 1));
-        var event = new ParticleEvent(detector.tracks[index]);
+        var num = Math.ceil(10 * Math.random());
 
-        detector.events.list.push(event);
+        console.log(num);
+
+        for (var i = 0; i < num; i++) {
+            var index = Math.round(Math.random() * (detector.tracks.length - 1));
+            var event = new ParticleEvent(detector.tracks[index], num);
+            detector.events.list.push(event);
+        }
     },
 
     draw: function()
@@ -273,12 +278,12 @@ var detector =
             if (detector.events.list[e].alpha > 0) {
                 detector.events.list[e].draw();
             } else {
-                del = e;
+                del = detector.events.list[e].count;
             }
         }
 
         if (del >= 0) {
-            detector.events.list.splice(0, del + 1);
+            detector.events.list.splice(0, del);
         }
     }
 };
diff --git a/js/event.js b/js/event.js
index 3916521..041873a 100644
--- a/js/event.js
+++ b/js/event.js
@@ -1,15 +1,17 @@
-function ParticleEvent(type)
+function ParticleEvent(type, count)
 {
     this.type = type;
     this.length = 0;
     this.radius = 0;
     this.direction = 0;
+    this.sign = (Math.random() - 0.5 >= 0) ? 1 : -1;
     this.alpha = 1;
+    this.count = count;
 
     switch (this.type.name)
     {
         case 'electron':
-            this.length = detector.radius.siliconSpace + Math.round((detector.radius.ecal - detector.radius.siliconSpace) * Math.random());
+            this.length = detector.radius.siliconSpace + Math.round((detector.radius.ecal + 10 - detector.radius.siliconSpace) * Math.random());
             this.direction = Math.random() * Math.PI * 2;
             this.radius = 20 + Math.round((100 - 20) * Math.random());
             break;
@@ -41,13 +43,14 @@ ParticleEvent.prototype.draw = function(init)
     ctx.globalAlpha = this.alpha;
     ctx.strokeStyle = this.type.color;
     ctx.fillStyle = this.type.color;
+    ctx.lineWidth = 2;
 
     ctx.translate(cx, cy);
     ctx.rotate(this.direction);
     ctx.translate(-cx, -cy);
 
     ctx.beginPath();
-    ctx.arc(cx + this.length / 2, cy + Math.round(Math.sqrt(Math.abs(this.radius * this.radius - this.length * this.length / 4))), this.radius, -Math.PI / 2 - Math.asin(this.length / (2 * this.radius)), -Math.PI / 2 +  Math.asin(this.length / (2 * this.radius)), false);
+    ctx.arc(cx + this.length / 2, cy + this.sign * Math.round(Math.sqrt(Math.abs(this.radius * this.radius - this.length * this.length / 4))), this.radius, - this.sign * Math.PI / 2 - Math.asin(this.length / (2 * this.radius)), - this.sign * Math.PI / 2 +  Math.asin(this.length / (2 * this.radius)), false);
     ctx.stroke();
 
     ctx.restore();