diff --git a/src/kiss_flixel/DebugLayer.hx b/src/kiss_flixel/DebugLayer.hx
index e3a3869..a3542b2 100644
--- a/src/kiss_flixel/DebugLayer.hx
+++ b/src/kiss_flixel/DebugLayer.hx
@@ -25,9 +25,42 @@ class DebugLayer extends FlxTypedGroup<FlxSprite> {
         add(canvas);
     }
 
+    // Set this radius > 0 to automatically show an expanding circle on mouse click.
+    public var showClickRadius = 0;
+    private var elapsedShowClick = [];
+    private var showClickPos = [];
+    private var showClickSprites = [];
+    public var showClickTime = 0.33;
+    public var showClickColor = FlxColor.LIME;
+    public var showClickThickness = 3.0;
+
     public var angularVelocity(default, default):Int = 0;
     public var timeToDisappear(default, default):Float = -1;
     public override function update(elapsed:Float) {
+        // Draw expanding circles when the mouse is clicked
+        if (showClickRadius > 0) {
+            if (FlxG.mouse.justPressed) {
+                elapsedShowClick.push(0.0);
+                showClickPos.push(FlxG.mouse.getWorldPosition(thisCamera()));
+            }
+            for (idx in 0...elapsedShowClick.length) {
+                var idx = elapsedShowClick.length - 1 - idx;
+                remove(showClickSprites[idx], true);
+                elapsedShowClick[idx] += elapsed;
+                if (elapsedShowClick[idx] > showClickTime){
+                    elapsedShowClick.splice(idx,1);
+                    showClickPos.splice(idx,1);
+                    showClickSprites.splice(idx, 1);
+                }
+                else {
+                    var pos = showClickPos[idx];
+                    var elapsed = elapsedShowClick[idx];
+                    var radius = showClickRadius * elapsed / showClickTime;
+                    showClickSprites[idx] = drawCircle(pos.x, pos.y, radius, showClickColor, showClickThickness);
+                }
+            }
+        }
+
         if (timeToDisappear > 0) {
             timeToDisappear -= elapsed;
             if (timeToDisappear <= 0)