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diff --git a/o3d/samples/io/actors/spikem.js b/o3d/samples/io/actors/spikem.js
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+/*
+ * Copyright 2009, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+/**
+ * @fileoverview  This file defines the Spikem class.
+ */
+
+/**
+ * A Horizontal Floater.
+ */
+function Spikem(initObj) {
+  this.absorbNamedValues(initObj);
+  this.width = 24;
+  this.height = 55;
+  this.velX = -200;
+  this.velZ = 0;
+  this.isDead = false;
+  this.isHit = false;
+  this.pauseFrames = 0;
+  this.frameName = "spinning"
+}
+Spikem.prototype = new Actor;
+
+Spikem.prototype.onTick = function(timeElapsed) {
+  if (this.isDead == true) {
+    return;
+  }
+
+  if (this.isHit == true) {
+    if (this.z < -1000) {
+      isDead = true;
+    } else {
+      this.velX = this.velX*.9;
+      // Here's how I move. moveMapX is a handy function that updates both
+      // my "virtual 2d world" mapX, as well as my literal x + y values
+      this.z -= 20;
+      this.moveMapX(this.velX * timeElapsed)
+    }
+  } else {
+    // I move based off of the platform that I'm on. So get that now.
+    var myPlatform = world.platforms[this.platformID];
+
+    // I stay on my platform
+    if (this.mapX - this.width/2 < myPlatform.left.mapX
+        && this.velX < 0) {
+      this.velX *= -1;
+    } else if (this.mapX + this.width/2 > myPlatform.right.mapX
+        && this.velX > 0) {
+      this.velX *= -1;
+    }
+
+    this.rotZ += this.velX / 60 * timeElapsed;
+
+    if (Math.abs(this.velX) < .1) {
+      if (Math.random() > .5) {
+        this.velX = -400;
+      } else {
+        this.velX = 400;
+      }
+      this.pauseFrames = Math.random() * 0.5 + 1;
+    }
+
+    if (this.pauseFrames > 0) {
+      this.frameName = "spinning"
+      this.pauseFrames -= timeElapsed;
+    } else {
+      this.frameName = "charging"
+      this.velX = this.velX*.9;
+      // Here's how I move. moveMapX is a handy function that updates both
+      // my "virtual 2d world" mapX, as well as my literal x + y values
+      this.moveMapX(this.velX * timeElapsed)
+    }
+
+    if (this.isHitBySword()) {
+      this.isHit = true;
+      soundPlayer.play('sound/_SMASH.mp3', 100);
+      this.velX = 0;
+    } else if (this.isHitByArrow()) {
+      top.arrowActor.hide();
+      this.isHit = true;
+      soundPlayer.play('sound/_SMASH.mp3', 100);
+      this.velX = top.arrowActor.velX;
+    } else if (this.collidesWith(avatar)) {
+      // Play an event sound @100% volume, 0 repeats
+      soundPlayer.play('sound/ah.mp3', 100);
+
+      this.velZ = 0;
+      if (avatar.velX < 1) {
+        avatar.velX = this.velX * 7;
+      } else {
+        avatar.velX = avatar.velX * -7;
+      }
+    }
+  }
+
+  updateActor(this);
+}