Fixed a typo in pool code and made comments more google style

Implemented ParamObject.removeParam and ParamObject.copyParams.  Minor style change in primitive.js.
Review URL: http://codereview.chromium.org/2083004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@47465 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 22 insertions, 12 deletions

diff --git a/o3d/samples/o3d-webgl/bounding_box.js b/o3d/samples/o3d-webgl/bounding_box.js
index b585c31..ebd7d09 100644
--- a/o3d/samples/o3d-webgl/bounding_box.js
+++ b/o3d/samples/o3d-webgl/bounding_box.js
@@ -154,7 +154,6 @@ o3d.BoundingBox.prototype.add =
 /**
  * Checks if a ray defined in same coordinate system as this box intersects
  * this bounding box.
- * TODO(petersont): this can also take six coordinates as input.
  * @param {!o3d.math.Point3} start position of start of ray in local space.
  * @param {!o3d.math.Point3} end position of end of ray in local space.
  * @return {!o3d.RayIntersectionInfo}  RayIntersectionInfo. If result.value
@@ -165,6 +164,12 @@ o3d.BoundingBox.prototype.add =
  */
 o3d.BoundingBox.prototype.intersectRay =
     function(start, end) {
+  // If there are six arguments, assume they are the coordinates of two points.
+  if (arguments.length == 6) {
+    start = [arguments[0], arguments[1], arguments[2]];
+    end = [arguments[3], arguments[4], arguments[5]];
+  }
+
   var result = new RayIntersectionInfo;
 
   if (this.valid) {
diff --git a/o3d/samples/o3d-webgl/param_object.js b/o3d/samples/o3d-webgl/param_object.js
index 27b567e..51e8688d 100644
--- a/o3d/samples/o3d-webgl/param_object.js
+++ b/o3d/samples/o3d-webgl/param_object.js
@@ -46,7 +46,7 @@ o3d.ParamObject.O3D_PREFIX_ = 'o3d.';
 /**
  * Creates a Param with the given name and type on the ParamObject.
  * Will fail if a param with the same name already exists.
- * 
+ *
  * @param {string} param_name The name of the Param to be created.
  * @param {string} param_type_name The type of Param to create.
  *     Valid types are
@@ -116,7 +116,7 @@ o3d.ParamObject.prototype.createParam =
 
 /**
  * Searches by name for a Param defined in the object.
- * 
+ *
  * @param {string} param_name Name to search for.
  * @return {!o3d.Param}  The Param with the given name, or null otherwise.
  */
@@ -153,30 +153,30 @@ o3d.ParamObject.prototype.getParam =
 
 /**
  * Removes a Param from a ParamObject.
- * 
+ *
  * This function will fail if the param does not exist on this ParamObject
  * or if the param is unremovable.
- * 
+ *
  * @param {!o3d.Param} param param to remove.
  * @return {boolean}  True if the param was removed.
  */
 o3d.ParamObject.prototype.removeParam =
     function(param) {
-  o3d.notImplemented();
+  o3d.removeFromArray(param, this.params_);
 };
 
 
 /**
  * Gets all the param on this param object.
- * 
+ *
  * Each access to this field gets the entire list, so it is best to get it
  * just once. For example:
- * 
+ *
  * var params = paramObject.params;
  * for (var i = 0; i < params.length; i++) {
  *   var param = params[i];
  * }
- * 
+ *
  * Note that modifications to this array [e.g. push()] will not affect
  * the underlying ParamObject, while modifications to the array's members
  * will affect them.
@@ -193,7 +193,9 @@ o3d.ParamObject.prototype.params_ = {};
  */
 o3d.ParamObject.prototype.copyParams =
     function(source_param_object) {
-  o3d.notImplemented();
+  for (param in source_param_object.params_) {
+    this.createParam(param.name, param.className);
+  }
 };
 
 
diff --git a/o3d/samples/o3d-webgl/primitive.js b/o3d/samples/o3d-webgl/primitive.js
index fe31ecb..904abf8 100644
--- a/o3d/samples/o3d-webgl/primitive.js
+++ b/o3d/samples/o3d-webgl/primitive.js
@@ -130,10 +130,13 @@ o3d.Primitive.prototype.render = function() {
         this.gl.enableVertexAttribArray(gl_index);
         enabled_attribs.push(gl_index);
 
-        // TODO(petersont): Change that hard-coded 4 down there.
+        // TODO(petersont): When the constant WebGLFloatArray.BYTES_PER_ELEMENT
+        // becomes available in implementations, use that here instead of this
+        // hard-coded 4.
+        var kFloatSize = 4;
         this.gl.vertexAttribPointer(
             gl_index, field.numComponents, this.gl.FLOAT, false,
-            buffer.totalComponents * 4, field.offset_ * 4);
+            buffer.totalComponents * kFloatSize, field.offset_ * kFloatSize);
       }
     }
   }